User manual

ManualsBrandsAllen-Bradley ManualsComputer equipment1794-IE8H

FLEX I/O HART

Analog Modules

1794-IE8H and 1794-OE8H

User Manual

Summary of content (146 pages)

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FLEX I/O HART Analog Modules 1794-IE8H and 1794-OE8H User Manual
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Important User Information Solid state equipment has operational characteristics differing from those of electromechanical equipment. Safety Guidelines for the Application, Installation and Maintenance of Solid State Controls (Publication SGI-1.1 available from your local Rockwell Automation sales office or online at http://www.literature.rockwellautomation.com) describes some important differences between solid state equipment and hard-wired electromechanical devices.
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ATTENTION Environment and Enclosure This equipment is intended for use in a Pollution Degree 2 industrial environment, in overvoltage Category II applications (as defined in IEC publication 60664-1), at altitudes up to 2000 meters without derating. This equipment is considered Group 1, Class A industrial equipment according to IEC/CISPR Publication 11.
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North American Hazardous Location Approval . The following information applies when operating this equipment in hazardous locations: Products marked CL I, DIV 2, GP A, B, C, D are suitable for use in Class I Division 2 Groups A, B, C, D, hazardous locations and nonhazardous locations only. Each product is supplied with markings on the rating nameplate indicating the hazardous location temperature code.
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European Hazardous Location Approval European Zone 2 Certification (The following applies when the product bears the EEx Marking.) This equipment is intended for use in potentially explosive atmospheres as defined by European Union Directive 94/9/EC and has been found to comply with the Essential Health and Safety Requirements relating to the design and construction of Category 3 equipment intended for use in potentially explosive atmospheres, given in Annex II to this Directive.
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Table of Contents Preface Important User Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . North American Hazardous Location Approval . . . . . . . . . . . . . European Hazardous Location Approval. . . . . . . . . . . . . . . . . . . Why Read This Manual . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Who Should Read This Manual. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . About the Vocabulary . . . . . . . . . . . . . . . . . . . . . . . . .
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Table of Contents 2 Digital Fault State. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-8 Data Format . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-9 Fault Alarm . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-11 Understand Image Table Mapping and Bit/Word Descriptions . . . 2-12 Bit Descriptions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
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Table of Contents 3 Device Actions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Communication Fault Behavior . . . . . . . . . . . . . . . . . . . . . . . . . . Idle State Behavior. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Chapter Summary. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-7 4-7 4-7 4-8 Chapter 5 Calibrate Your Module What This Chapter Contains . . . . . . . . . . . . . . . . . . . .
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Table of Contents 4 Transaction Procedure. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . C-2 Burst Mode (not supported) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . C-2 Universal Commands . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . C-7 Common Practice Commands. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . C-9 Appendix D FLEX I/O HART Modules Network Messaging What This Appendix Contains . . . . . . . . . . . . . . . . . . .
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Index Table of Contents 5 Input . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Diagnostic Status Data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . HART Rebuild Bit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Fault Alarm . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . HART Failure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
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Table of Contents 6 Publication 1794-UM063A-EN-P - March 2006
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Preface Why Read This Manual This manual shows you how to use your FLEX I/O™ analog modules with the ControlNet™ products and ControlNet network, and EtherNet products and EtherNet network. The manual helps you install, program, and troubleshoot your module. Who Should Read This Manual You must be able to program and operate a ControlNet product and ControlNet network to make efficient use of a FLEX I/O module.
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Preface 2 For Additional Information Catalog Number D FLEX I/O HART Modules Network Messaging How to communicate using MSG and CIO instructions E Configure the 1794-IE8H Module in RSLogix 5000 Software Over the ControlNet Network How to configure your input module using RSLgix 5000. F Configure the 1794-OE8H Module in RSLogix5000 Software Over the ControlNet Network How to configure your output module using RSLgix 5000.
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Preface 3 Publications Catalog Number Voltage 1794-OB8 24V dc 8 Source Output Module 1794-OB8EP 24V dc 8 Electronically Fused Output Module 1794-OB16 24V dc 16 Source Output Module 1794-OB16P 24V dc 16 Protected Source Output Module 1794-OB32P 24V dc 32 Protected Source Output Module 1794-IB10XOB6 24V dc 10 Input/6 Output Module 1794-IB16XOB16P 24V dc 16 Input/16 Output Module 1794-OW8 24V dc 8 Relay Output Module 1794-IE8 24V dc Analog 8 Input Module 1794-OE4 24V dc Analog
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Preface 4 Catalog Number Publications Voltage Description 1794-TB2 1794-TB3 Cage Clamp Terminal Base Cage Clamp Terminal Base 1794-TBN Terminal Base Unit 1794-TBNF Fused Terminal Base Unit 1794-TB3T Temperature Terminal Base Unit 1794-TB3S Spring Clamp Terminal Base Unit 1794-TB3TS Spring Clamp Temperature Base Unit 1794-TB3G Terminal Base Unit 1794-TB3GS Spring Clamp Terminal Base Unit 1794-TB32 Cage Clamp Terminal Base Unit 1794-TB32S Spring Clamp Terminal Base Unit 1794-CE1 Exte
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Chapter 1 About the FLEX I/O HART Analog Modules What This Chapter Contains Read this chapter to familiarize yourself with the input and output analog modules.
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1-2 About the FLEX I/O HART Analog Modules How FLEX I/O Analog Modules Communicate with Programmable Controllers FLEX I/O analog modules provide best utility when used with ControlNet products on the ControlNet network. Data connections are established between the I/O module and an Allen-Bradley programmable controller (PLC) to transfer information between the two at a scheduled rate. Input module information is then automatically made available in the PLC data table through the data connection.
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About the FLEX I/O HART Analog Modules Physical Features of Your Analog I/O Module 1-3 The module label identifies the keyswitch position, wiring and module type. Use the removable label to note individual designations per your application. Indicators Indicators are provided to identify input or output fault conditions, and to show when power is applied to the module. For example, the 1794-IE8H module is shown below.
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1-4 About the FLEX I/O HART Analog Modules Data Format Alarm Example In this example, the normal active data range is 4-20 mA. The alarms are generated in three overlapping bands. PHYSICAL INPUT SIGNAL RANGE 0 mA 4 mA 20 mA Underrange 22 mA Overrange Remote Fault Remote Fault Local Fault Local Fault -25.00% -12.50% Programmable in 20 0.1 mA steps by Error Level 0.1 mA Steps parameter 0.00% 100.
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About the FLEX I/O HART Analog Modules 1-5 Remote Fault Alarm The remote fault alarm is intended for use with remote transmitter loops. For example, the remote transmitter may be measuring temperature and converting it to a standard mA signal. In such a loop, though, the input module cannot determine the state of the loop on the far side of the transmitter.
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1-6 About the FLEX I/O HART Analog Modules Programming the Remote Fault Alarm For the remote fault alarm, you must program the threshold in 0.1 mA steps at any level on the high or low end of input signal range. The remote fault alarm activates if your I/O module receives input signal values of: • 100.63 to 111.88% (20.1 to 21.9 mA) on the high end of input signal range or • -0.63 to -11.88% (3.9 to 2.
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About the FLEX I/O HART Analog Modules 1-7 How to Use the HART Capabilities Before using the HART capabilities, be sure that: HART Implementation Overview The FLEX I/O HART modules act as intelligent HART multiplexers. Basically, the module learns which HART devices are attached to its channels and then routes HART messages, as appropriate, between the HART field devices and the flexbus.
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1-8 About the FLEX I/O HART Analog Modules Chapter Summary Publication 1794-UM063A-EN-P - March 2006 In this chapter, you learned about FLEX I/O analog I/O modules and HART module capabilities. Move on to Chapter 2 to learn about configurable features on your module.
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Chapter 2 Configurable FLEX I/O Analog Module Features What This Chapter Contains Read this chapter to familiarize yourself with configurable features on the input and output analog modules.
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2-2 Configurable FLEX I/O Analog Module Features IMPORTANT Select Your 1794-IE8H FLEX I/O Analog Input Module’s Operating Features You must use the I/O configuration portion of your PLC programming software to select and configure these features. This manual assumes familiarity with the programming software. A brief description of each module feature is provided here. For more information on your programming software, see the software user manual.
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Configurable FLEX I/O Analog Module Features 2-3 When setting the Remote Transmitter Error Up or Down feature in your programming software, set this feature’s bit to 0 to select up. Set the bit to 1 to select down. For more information on the Remote Fault Alarm, see page 1-5. For more information on the Local Fault Alarm, see page 1-6. High Low Error Level High Low Error level sets the high and low signal levels at which your input modules will indicate a signal fault.
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2-4 Configurable FLEX I/O Analog Module Features Data Format You must choose a module data format in your user program. Formats 8, 9, 10 and 15 are not used. If they are selected for a channel quad, a configuration fault will occur and will be reported as Diagnostic Data 2. All data for that channel quad will be set to zero (0). • Formats 5, 12, 13 and 14 are 2’s complement data formats, and will return data in that form.
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Configurable FLEX I/O Analog Module Features 2-5 Table 2.3 1794-IE8H Data Formats Data Format Format Resolution Input Range 5 4…20 mA as % 0.16% of 4…20 mA 2…22 mA 6 4…20 mA 0.17% of as √% 4…20 mA 4…22 mA Module Data Processing Data Table Value (Interpretation) Count per mA Error Steps ( input-4 16 ) -1250 … +11250 (2’s complement) (-12.50% … +112.50%) 625 With error steps √ 0…10607 (0…106.
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2-6 Configurable FLEX I/O Analog Module Features Data Formats and Error Ranges PHYSICAL INPUT SIGNAL RANGE 0 mA 20 mA Normal Signal Range 22 mA Overrange Remote Fault Format 0 Format 1 Format 2 Format 3 20.00 mA 100.00% 100.00% 65535 0.00 mA 0.00% 0.00% 0 0 mA Programmable in 20 0.1 mA steps 20 mA Underrange 0.00 mA -25.00% Local Fault 22 mA Overrange Normal Signal Range Remote Fault Remote Fault Format 4 Format 5 Format 6 Format 7 22.00 mA 110.00% 104.88% 22 mA Local fault 2 mA -12.
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Configurable FLEX I/O Analog Module Features Select Your 1794-OE8H FLEX I/O Analog Output Module’s Operating Features 2-7 All features of the 1794-OE8H analog output module are independently configurable in two four-channel groups (channel 0 to 3 and channel 4 to 7). IMPORTANT The default selection value for all parameters is 0. Local Fault Mode The Local Fault Mode can be programmed to determine how the module responds to communications faults and internal module faults.
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2-8 Configurable FLEX I/O Analog Module Features Analog Digital State You can configure your FLEX I/O analog output modules to work in an analog mode or digital mode using the Analog Digital State feature. Depending on which state you choose for your application, additional parameters (see the descriptions of Analog Fault State and Digital Fault State on page 2-8) must be configured for your module to react to fault conditions.
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Configurable FLEX I/O Analog Module Features 2-9 Data Format You must choose a module data format in your user program. See 1794-OE8H Data Formats on page 2-10 for an explanation of each bit. Data Formats 2, 5, 6, 8, 9, 10, 12 and 15 are not assigned. When choosing a data format, remember the following: • If an unassigned Analog Data Format is selected, the module sets Diagnostic Data to 2 for configuration failure and puts affected channels affected in the corresponding fault state.
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2-10 Configurable FLEX I/O Analog Module Features Table 2.4 1794-OE8H Data Formats Data Format Format Resolution Full Output Range 0 mA as 0…20 mA 0.1% of 0…20 mA 0…22 mA 1 % as 0…20 mA 0.2% of 0…20 mA 0…22 mA Module Data Processing Output = ( datatable 1000 ) Output = 20 2 ( datatable 10000 ) Data Table Value (Interpretation) Count per mA Analog Fault State 0…22000 (0…22.000 mA) 1000 Min=0 mA Max=22 mA Hold last=hold 50%=11 mA 0…11000 (0…110.
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Configurable FLEX I/O Analog Module Features 2-11 Table 2.4 1794-OE8H Data Formats Data Format Format Resolution Full Output Range Module Data Processing 10 Data Table Value (Interpretation) Count per mA Analog Fault State 0…8000 (0…22 mA) 363 Min=0 mA Max=22 mA Hold last=hold 50%=11 mA — — — Not Assigned 11 D/A count as 0…20 mA 0.28% of 0…20 mA 0…22 mA 12 4…20 mA — — 13 % as 4…20 mA 0.16% of 4…20 mA 3…21 mA 14 % as 4…20 mA 0.
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2-12 Configurable FLEX I/O Analog Module Features Understand Image Table Mapping and Bit/Word Descriptions Bit Descriptions Use the table below to understand bits used in image table mapping and bit/word descriptions. Complete definitions of these feature documented below can be found in Chapter 2. Table 2.
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Configurable FLEX I/O Analog Module Features 2-13 Analog Input Module (1794-IE8H) Image Table Mapping Table 2.
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2-14 Configurable FLEX I/O Analog Module Features Table 2.7 Configuration Map (Write Words) → Word ↓ Bit 15 14 13 12 11 10 09 08 07 06 05 04 03 02 00 Write 0 Reserved High and Low Error Level 0…3 U/D 0…3 Filter Cutoff 0…3 Data Format 0…3 1 Sqrt High and Low Error Level 4…7 U/D 4…7 Filter Cutoff 4…7 Data Format 4…7 Where: 01 U/D = up/down Flt Md = Fault Module Sqrt = Square Root Bit/Word Description for the Analog Input Module (1794-IE8H) Table 2.
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Configurable FLEX I/O Analog Module Features 2-15 Table 2.11 Data Format - Write Words 0 and 1 Bits Word 0 04 03 Word 1 04 03 0 0 0 0 0 0 0 0 Description Data format for channels 0…3 Data format for channels 4…7 0…22 mA, with error steps (default) 0…22 mA = 0…110%, with error steps 0…22 mA = 0…104.8%, square root, with error steps 0…22 mA = 0…65,535, unsigned integer, with error steps 0 1 0 0 2…22 mA, w/error steps 0 1 0 1 2…22 mA = -12.5…112.
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2-16 Configurable FLEX I/O Analog Module Features Analog Output Module (1794-OE8H) Image Table Mapping Table 2.
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Configurable FLEX I/O Analog Module Features 2-17 Table 2.
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2-18 Configurable FLEX I/O Analog Module Features Table 2.16 Data Format Control Data Format 0 0 0 0 0 0 0 1 0 0 0 0 1 1 0 1 0 1 0 0 0 0 0 1 1 1 0 1 1 1 0 1 1 1 1 1 0 0 0 0 0 0 1 1 0 1 0 1 1 1 1 1 0 0 0 1 1 1 1 0 1 1 1 1 Publication 1794-UM063A-EN-P - March 2006 Range Resolution 0…20mA 0.1% of 0…20 mA 0.2% of 0…20 mA 0.03% of 0…20 mA 4…20 mA 0.
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Configurable FLEX I/O Analog Module Features 2-19 The FLEX I/O HART modules are addressed by using an MSG or CIO instruction. When using one of these instructions, configure it to the following.
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2-20 Configurable FLEX I/O Analog Module Features Secondary Master Enable (SME) and Primary Master Inhibit (PMI) These two bits control a few module internal functions individually for channels 0 to 7. Table 2.
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Configurable FLEX I/O Analog Module Features 2-21 HART Read Back Threshold This bit delivers the percentage value, in steps of 1%, of the threshold for forcing the HART read back indication. The maximum input signal deviation for HART analog modules is 31%. If there is no HART transmitter on the loop or if the loop is not in the transmitter list, the function is switched off internally in the I/O module.
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2-22 Configurable FLEX I/O Analog Module Features Notes: Publication 1794-UM063A-EN-P - March 2006
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Chapter 3 Install Your FLEX I/O Analog Modules What This Chapter Contains Read this chapter to install the input and output analog modules. For Information On Before You Install Your Analog Module Before You Install Your Analog Module 3-1 Removal and Insertion Under Power 3-2 Install the Module 3-2 Connect Wiring to the FLEX I/O HART Analog Modules 3-8 Ground the Module 3-12 Chapter Summary 3-13 Before installing your FLEX I/O analog module: Table 3.
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3-2 Install Your FLEX I/O Analog Modules Removal and Insertion Under Power WARNING These module are designed so you can remove and insert them under power. However, take special care when removing or inserting these modules in an active process. I/O attached to any module being removed or inserted can change states due to its input/output signal changing conditions. If you insert or remove the terminal base while backplane power is on, an electrical arc can occur.
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Install Your FLEX I/O Analog Modules 3-3 Mount on a DIN Rail ATTENTION Do not remove or replace a terminal base unit when power is applied. Interruption of the flexbus can result in unintended operation or machine motion. Install the Terminal Base Unit 1. Remove the cover plug in the male connector of the unit to which you are connecting this terminal base unit. 2.
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3-4 Install Your FLEX I/O Analog Modules 41107 Slide the terminal base over tight against the adapter (or proceeding terminal base). Make sure the hook on the terminal base slides under the edge of the adapter (or proceeding terminal base) and the flexbus connector is fully retracted. ATTENTION Do not force the terminal base into the adjacent modules. Forcing the units together can bend or break the hook and allow the units to separate and break communication over the backplane. 5.
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Install Your FLEX I/O Analog Modules 3-5 6. For specific wiring information, refer to the installation instructions for the module you are installing in this terminal base unit. Terminal assignments are also given later in this chapter, see page 3-8. 7. Repeat the above steps to install the next terminal base unit. 8. Be sure the flexbus connector cover on the last terminal base unit is in place.
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3-6 Install Your FLEX I/O Analog Modules To install the mounting plate on a wall or panel: 1. Lay out the required points on the wall/panel as shown in the drilling dimension drawing. Drilling Dimensions for Panel/Wall Mounting of FLEX I/O mm (in.) 35.5 (1.4) 58.5 (2.3) 35.5 (1.4) 58.5 (2.3) 35.5 (1.4) 40.5 (1.6) 15.6 (0.61) 8 (0.3) .83 (21) 50 (2.0) ATTENTION Be careful of metal chips when drilling cable mounting holes. Do not drill holes above a system that has any modules installed.
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Install Your FLEX I/O Analog Modules 3-7 Mount the Analog Modules on the Terminal Base Unit The HART analog input and output modules mounts on a 1794-TB3g or 1794-TB3GS terminal base unit. 1. Rotate keyswitch (1) on terminal base unit (2) clockwise to position 3 for the 1794-IE8H or position 4 for the 1794-OE8H as required for each type of module. Do not change the position of the keyswitch after wiring the terminal base unit. 7 3 1 8 2 6 4 5 40231 Label Under Here or Under Here 2.
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3-8 Install Your FLEX I/O Analog Modules Make sure the last terminal base has the cap plug (8) in place. 41307 The adapter is capable of addressing eight modules. Do not exceed a maximum of eight terminal base units in your system. Wire the Terminal Base Units Wiring the FLEX I/O HART analog input modules is done using the 1794-TB3G or the 1794-TB3GS terminal base unit..
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Install Your FLEX I/O Analog Modules 3-9 Connections for the 1794-IE8H HART Analog Input Module on a 1794-TB3G Terminal Base Unit +V -V 4 to 20mA Xmit + 91 Ω 17V Bus Flexbus 4 to 20mA Xmit I uC I P P Sig 22 Ω 40072 0 1 2 3 4 5 Ch0 17 Chassis Ground 8 9 10 19 20 21 22 35 24 25 26 27 37 38 39 40 13 14 15 Ch3 28 29 30 31 32 42 43 44 45 33 B + _ Ch6 41 A + _ + _ Ch5 36 12 Ch2 23 + _ + _ 11 + _ Ch1 18 Ch4 34 7 + _ + _ 16 6 Chassis Ground C
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3-10 Install Your FLEX I/O Analog Modules 5. If continuing power to the next terminal base unit, connect a jumper from terminal 50 (+V dc) on this base unit to +V dc power terminal on the next terminal base unit. 6. If continuing common to the next terminal base unit, connect a jumper from terminal 51 (-V common) on this base unit to the -V common terminal on the next terminal base unit. Table 3.
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Install Your FLEX I/O Analog Modules 3-11 Connections for the 1794-OE8H HART Analog Output Module on a 1794-TB3G or 1794-TB3GS Terminal Base Unit 250 Ω +V 21.
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3-12 Install Your FLEX I/O Analog Modules 5. If continuing power to the next terminal base unit, connect a jumper from terminal 50 (+V dc) on this base unit to +V dc power terminal on the next terminal base unit. 6. If continuing common to the next terminal base unit, connect a jumper from terminal 51 (-V common) on this base unit to the -V common terminal on the next terminal base unit. Table 3.
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Install Your FLEX I/O Analog Modules Chapter Summary 3-13 In this chapter, we told you how to install your input module in an existing programmable controller system and how to wire to the terminal base units. Move to chapter 4 to learn about input, output and configuration files for the HART analog I/O modules on the ControlNet network.
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3-14 Install Your FLEX I/O Analog Modules Publication 1794-UM063A-EN-P - March 2006
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Chapter 4 Input, Output and Configuration Files for the Analog I/O Modules on the ControlNet Network What This Chapter Contains Read this chapter to familiarize yourself with input, output and configuration files for analog I/O modules on the ControlNet network.
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4-2 Input, Output and Configuration Files for the Analog I/O Modules on the ControlNet Network Use Programming Software in Your FLEX I/O Application When using FLEX I/O analog modules, you must perform I/O mapping and configure the ControlNet network before generating configuration data for your I/O modules. For example, you may use RSNetWorx software to connect FLEX I/O modules to a ControlNet processor or scanner through a FLEX I/O ControlNet adapter (cat. no. 1794-ACNR15).
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Input, Output and Configuration Files for the Analog I/O Modules on the ControlNet Network 4-3 One 1794-ACNR15/B ControlNet adapter can interface up to eight terminal base units with installed FLEX I/O modules, forming a FLEX I/O system of up to eight slots. Communication Over the FLEX I/O Backplane The adapter communicates to other network system components (typically one or more controllers, scanners, or programming terminals) over the ControlNet network.
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4-4 Input, Output and Configuration Files for the Analog I/O Modules on the ControlNet Network Unscheduled Data Transfer Unscheduled operations include: • unscheduled nondiscrete I/O data transfers–through ControlNet I/O Transfer (CIO) instructions. • peer-to-peer messaging–through message (MSG) instructions. • messaging from programming devices. Unscheduled messaging on a ControlNet network is nondeterministic.
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Input, Output and Configuration Files for the Analog I/O Modules on the ControlNet Network 4-5 ControlNet Adapter Read Data Adapter Status Slot 0 Input Data Slot 1 Input Data Network READ Slot 7 Input Data I/O Module Slot 0 Read Write Network WRITE I/O Module Slot 1 I/O Module Slot 7 Slot 0 Output Data Slot 1 Output Data Slot 7 Input Data 41628 Adapter Status Word The status word consists of: • I/O module fault bits – 1 status bit for each slot Additionally, in the case of a PLC-5 controller, it
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4-6 Input, Output and Configuration Files for the Analog I/O Modules on the ControlNet Network As an example, in a PLC-5 system, the adapter status word bit descriptions are shown in the following table. Table 4.1 Adapter Status Word Bit Descriptions Bit Description Bit Explanation 0 This bit is set (1) when an error is detected in slot position 0. 1 This bit is set (1) when an error is detected in slot position 1. 2 This bit is set (1) when an error is detected in slot position 2.
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Input, Output and Configuration Files for the Analog I/O Modules on the ControlNet Network Device Actions 4-7 Device actions include: • Communication fault behavior • Idle state behavior • Input data behavior upon module removal Communication Fault Behavior You can configure the response to a communication fault for each I/O module in its system.
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4-8 Input, Output and Configuration Files for the Analog I/O Modules on the ControlNet Network Chapter Summary Publication 1794-UM063A-EN-P - March 2006 In this chapter you learned about input, output and configuration files for the analog I/O modules on ControlNet. Move to Chapter 5 to learn how to calibrate your module.
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Chapter 5 Calibrate Your Module What This Chapter Contains Use this chapter to calibrate the FLEX I/O analog modules.
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5-2 Calibrate Your Module Tools and Equipment Use the following tools and equipment to calibrate your analog I/O modules: Table 5.1 Tools for Calibration 1794-IE8H Calibration Features Publication 1794-UM063A-EN-P - March 2006 Tool or Equipment Description Precision Current Source 0…22 mA, 0.01 µA resolution Used for input modules Precision Current Meter 0…22 mA, 0.
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Calibrate Your Module 1794-IE8H Calibration Command Structure 5-3 Calibration of the HART I/O module is performed using data structures and MSG Ladder-logic instructions. The MSG instruction sends the data structure to a dedicated attribute in the FLEX HART I/O module and the associated response is read from the same attribute. The data structure contains commands and its associated parameters. Depending on the command, they are either writable or readable.
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5-4 Calibrate Your Module 1794-IE8H Calibration Command Byte The Calibration command byte uses the following format to write to the module: 7 6 5 4 3 2 1 0 Calibration Command Reserved (10bin Must Be Written) The Calibration command byte uses the following format to read from the module: 7 6 5 4 3 2 1 0 Last Calibration Command Mirrored Back Status of Last Written Calibration Command 00bin = Last Written Command Executed/idle 01bin = Error Occurred During Execution of Last Command, Command
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Calibrate Your Module 5-5 Table 5.
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5-6 Calibrate Your Module Table 5.5 1794-IE8H Interpretation of Calibration Data Structure Content During Read Access (Idle Status) Command Byte Item Byte Data1 Byte Data2 Byte 0 0 Status (Binary) Command Bits 0…5 (Decimal) 00 (1) Idle 0 Nothing is done. The state after power on.
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Calibrate Your Module 5-7 Table 5.
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5-8 Calibrate Your Module 1794-IE8H Calibration Item Byte Channel-Mask The Calibration item byte channel-mask uses each bit of the byte to correspond to one channel: where 1 is calibrate this channel and 0 is do not calibrate this channel. The LSB corresponds to channel 0, for example, 0x03 > channel 0 and 1 have to be calibrated. 7 6 5 4 3 2 1 0 Calibrate Channel 0 Calibrate Channel 1 : Calibrate Channel 7 Table 5.
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Calibrate Your Module 5-9 1794-IE8H Calibration Item Byte Value Identifier 48 (Status Mask Offset) Each bit of the lower byte of this word corresponds to one channel. A logical 1 within the lower byte of the words means that this channel is calibrated according to offset at room temperature. A logical 0 means that this channel is not calibrating. In an attempt to write the upper byte of this word, write 0x00h. In an attempt to read the upper byte of this word, 0x00h is given back.
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5-10 Calibrate Your Module 1794-IE8H Calibration with Offset and Gain You must calibrate the offset from a channel before gain is calibrated at the same channel, because the gain value depends on the offset value. During the calibration of offset, the corresponding gain value is declared invalid. Before all values are calibrated, there is a calibration error displayed within the Real Time Data in the diagnostic status.
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Calibrate Your Module 1794-OE8H Calibration Features 5-11 The following features are unique to the 1794-OE8H module: • There are six values per channel that the I/O module uses to calculate the corresponding calibration values (offset and gain). – Min Scale DAC at 1500dec about 1 mA – Max Scale DAC at 6700dec about 20 mA – Current-read-back Min Scale at 1500dec about 1 mA – Current-read-back Max Scale at 6700dec about 20 mA – Voltage-read-back Min.
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5-12 Calibrate Your Module 1794-OE8H Calibration Command Byte The Calibration command byte uses the following format to write to the module: 7 6 5 4 3 2 1 0 Calibration Command Reserved (10bin Must Be Written) The Calibration command byte uses the following format to read from the module: 7 6 5 4 3 2 1 0 Last Calibration Command Mirrored Back Status of last written Calibration command 00bin = last written command executed/idle 01bin = Error Occurred During Execution of Last Command, Command
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Calibrate Your Module 5-13 Table 5.
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5-14 Calibrate Your Module Table 5.11 1794-OE8H Interpretation of Calibration Data Structure Content During Read Access (Idle Status) Command Byte Item Byte Data1 Byte Data2 Byte 0 0 0 Value low-byte Value high-byte Status (Binary) Command Bits 0…5 (Decimal) 00 0 Nothing is done. The state after power on.
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Calibrate Your Module 5-15 Table 5.
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5-16 Calibrate Your Module Table 5.
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Calibrate Your Module 5-17 1794-OE8H Calibration Item Byte Channel-Mask The Calibration item byte channel-mask uses each bit of the byte to correspond to one channel: where 1 is calibrate this channel and 0 is do not calibrate this channel. The LSB corresponds to channel 0, e.g., 0x03 > channel 0 and 1 have to be calibrated. Only one channel can be calibrated at a time. If there are more channels selected within the calibration commands, the I/O module signals an error.
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5-18 Calibrate Your Module 1794-OE8H Calibration Item Byte Value Identifier 48 (Status Mask Calibration) Each bit of the lower byte of this word corresponds to one channel. A logical 1 within the lower byte of the words means that this channel is completely calibrated. A logical 0 means that this channel is not completely calibrated. In an attempt to write the upper byte of this word, write 0x00h. In an attempt to read the upper byte of this word, 0x00h is given back.
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Calibrate Your Module 5-19 .
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5-20 Calibrate Your Module Notes: Publication 1794-UM063A-EN-P - March 2006
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Chapter 6 Troubleshoot the FLEX I/O Analog I/O Modules What This Chapter Contains Status Indicators Read this chapter to troubleshoot your I/O module. For Information On See Page Status Indicators 6-1 Repair 6-2 Chapter Summary 6-2 1794-IE8H Module The 1794-IE8H module has one power indicator that is on when power is applied to the module and one status indicator for each input.
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6-2 Troubleshoot the FLEX I/O Analog I/O Modules 1794-OE8H Module The 1794-OE8H module has one power indicator that is on when power is applied to the module, and one status indicator for each input. A = Status indicators B = Insertable labels for writing individual input designations C = Power indicator A- B I/O Allen-Bradley 1794- OE8H 8 CHANNEL ANALOG OUTPUT 4 OUT 0 OUT 1 OUT 2 OUT 3 OUT 4 OUT 5 OUT 6 OUT 7 PWR 41442H A B C Table 6.
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Appendix A Specifications 1794-IE8H HART Input Module Refer to publication 1794-IN108 for complete specifications for the 1794-IE8H HART Input module. 1794-OE8H HART Output Module Refer to publication 1794-IN109 for complete specifications for the 1794-OE8H HART Output module.
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A-2 Specifications Notes: Publication 1794-UM063A-EN-P - March 2006
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Appendix B FLEX I/O HART Module Commands What This Appendix Contains Read this appendix to learn the module commands to and from FLEX I/O HART modules. Protocol Overview HART field communications protocol is widely accepted in the industry as the standard for digitally enhanced 4 to 20 mA communication with smart field instruments. The HART protocol message structure, command set, and status are discussed in this appendix.
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B-2 FLEX I/O HART Module Commands Universal Commands Table B.1 Universal HART Module Commands Command Action Meaning 0 Read unique device identification Twelve-byte device identifiers are given in the response Read HART variables (process values) Commands are only supported for compatibility purposes and are without any meaning Read 1 The transmitters, i.e., the SCAN function, have the following functions.
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FLEX I/O HART Module Commands Common Practice Commands B-3 Table B.
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B-4 FLEX I/O HART Module Commands Table B.3 Device-Specific HART Module Commands Command Action Meaning 131 Read static data of transmitters For the given long frame addresses, the function returns the following transmitter data: Read • Current loop number, 0…15 • Polling address • Supported HART revision • Minimum count of required preambles, 5…20 132 Write 133 134 Read 135 Write static data of transmitters Write static data (see bit 131).
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FLEX I/O HART Module Commands B-5 Table B.
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B-6 FLEX I/O HART Module Commands Table B.3 Device-Specific HART Module Commands Command Action Meaning 158 Read special SCAN parameters The current special parameters and, if available, the transmitter data are returned for the given loop.
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Appendix C Additional HART Protocol Information What This Appendix Contains This appendix discusses the HART protocol and provides references for additional information about the protocol. The appendix provides: • • • • Message Structure HART protocol background information Command practice command sets Extended command sets References to additional information This section describes the transaction procedure, character coding, and message structure of the HART protocol.
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C-2 Additional HART Protocol Information Transaction Procedure HART is a half-duplex protocol; after completion of each message, the FSK carrier signal must be switched off, to allow the other station to transmit. The carrier control timing rules state that the carrier should be turned on not more than 5 bit times before the start of the message (that is, the preamble) and turned off not more than 5 bit times after the end of the last byte of the message (the checksum).
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Additional HART Protocol Information C-3 Preamble The preamble is a number of hexadecimal FF characters that precede all frames sent to the HART field device. The size depends on the field devices being used, but it can be from 2 to 32 hexadecimal. The default is 10. The Smart Transmitter Interface inserts the required preamble before each packet or frame transmission to the HART device. This is done automatically so you do not have to program the host processor to do this.
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C-4 Additional HART Protocol Information HART Command This one-byte field specifies the HART command that is to be sent by the Smart Transmitter Interface to the field device. Many commands are device dependent. Consult the documentation provided with your field device for details about the commands supported. Set this field to a device-recognizable command before sending the packet to the Smart Transmitter Interface. Table C.
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Additional HART Protocol Information C-5 Response Code This two-byte code contains the HART field device status as sent by that device. Field devices detecting a communications error set the most significant bit, bit 7, of the first byte and identify the error in the other seven bits. If the last message was received without error, the field device will clear bit 7 and return a device-dependent response in the other seven bits.
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C-6 Additional HART Protocol Information Table C.4 HART Field Device Error Codes Publication 1794-UM063A-EN-P - March 2006 Bit Error Code Description 7 Field Device Malfunction An internal hardware error or failure has been detected by the HART field device. 6 Configuration Changed A write or set command has been executed by the HART field device. 5 Cold Start Power has been removed and reapplied, resulting in the reinstallation of the setup information.
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Additional HART Protocol Information C-7 Universal Commands Table C.
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C-8 Additional HART Protocol Information Table C.
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Additional HART Protocol Information C-9 Common Practice Commands Table C.
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C-10 Additional HART Protocol Information Table C.
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Additional HART Protocol Information C-11 Table C.
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C-12 Additional HART Protocol Information Table C.
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Additional HART Protocol Information C-13 Table C.
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C-14 Additional HART Protocol Information Table C.
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Additional HART Protocol Information C-15 Table C.6 Common Practice Commands Command Data in Command # Function Byte 110 Read all dynamic variables — Data in Reply Data Type(5) Byte Data Type(5) None — 0 PV units code — 1…4 PV value (F) 5 SV units code — 6…9 SV value (F) 10 TV units code — 11…14 TV value (F) 15 — FV units code 16…19 FV value (1) 0 = burn EEPROM, 1 = copy EEPROM to RAM. (2) Truncated after last requested code. (3) 0 = edit fixed current mode.
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C-16 Additional HART Protocol Information Notes: Publication 1794-UM063A-EN-P - March 2006
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Appendix D FLEX I/O HART Modules Network Messaging What This Appendix Contains This appendix discusses: Communication The messaging between the processor and the HART I/O module is handled via MSG or CIO instructions, depending on the processor type. These ladder logic instructions need specific details for proper operation.
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D-2 FLEX I/O HART Modules Network Messaging Table D.
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FLEX I/O HART Modules Network Messaging Differences Between Attributes and Assembly Indexes D-3 The two Host Access Groups on the module let two different hosts communicate at the same time to the module and its associated field devices. The Attribute used by MSG or CIO instructions send the attribute number to the adapter module. The I/O modules use Assemblies.
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D-4 FLEX I/O HART Modules Network Messaging The response from the HART command is reformatted to add this handle and to add additional status information. Figure D.
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FLEX I/O HART Modules Network Messaging D-5 • Handle This indicates the Handle of the response. • Response Error In the following table, values 6 through 10 are communication errors.
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D-6 FLEX I/O HART Modules Network Messaging • Loop status available New loop status is available in Status of Loops assembly. • Lock To protect against a second HART host communicating to modules, the HART_lock bit is set in the Group for Group assembly. Value Meaning 0 Not locked 1 Locked • Cold Start Cold Start indicates that the HART I/O module has made a cold start and the bit is reset when it was first read.
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Appendix E Configure the 1794-IE8H Module in RSLogix 5000 Software Over the ControlNet Network What This Appendix Contains This appendix provides the information needed to configure the 1794-IE8H analog input module in RSLogix 5000 software over the ControlNet network using version 13 or earlier and the generic profile. Background Information Make sure that your Comm-Format is set to Input Data - INT so that you can set the output size to 0.
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E-2 Configure the 1794-IE8H Module in RSLogix 5000 Software Over the ControlNet Network Configuration Refer to the following tables for configuration information. Fault Mode Channel Bits 0…3 [Adapter Name]:[Slot]:C.Data[0].0 4…7 [Adapter Name]:[Slot]:C.Data[1].0 Fault Mode Bit 0 Disabled 0 Enabled 1 Data Format Control Channel Bits 0…3 [Adapter Name]:[Slot]:C.Data[0].1 [Adapter Name]:[Slot]:C.Data[0].2 [Adapter Name]:[Slot]:C.Data[0].3 [Adapter Name]:[Slot]:C.Data[0].
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Configure the 1794-IE8H Module in RSLogix 5000 Software Over the ControlNet Network E-3 Data Format Bits 4 3 2 1 Range Resolution Full Range Interpretation Data Value Table Count per mA 0 0 0 0 0…20 mA 0.1% of 0…20 mA 0…22 mA 0…22 mA 0…22000 1000 0 0 0 1 0…20 mA 0.2% of 0…20 mA 0…22 mA 0…110% 0…11000 500 0 0 1 0 Not Valid Not Valid Not Valid Not Valid Not Valid Not Valid 0 0 1 1 0…20 mA 0.
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E-4 Configure the 1794-IE8H Module in RSLogix 5000 Software Over the ControlNet Network Filter Cutoff The generic profile sets all of the filter bits to 0, which is an invalid value. You must set these bits to a valid value or you will get a diagnostic error value of 2. Channel Bits 0…3 [Adapter Name]:[Slot]:C.Data[0].5 [Adapter Name]:[Slot]:C.Data[0].6 [Adapter Name]:[Slot]:C.Data[0].7 4…7 [Adapter Name]:[Slot]:C.Data[1].5 [Adapter Name]:[Slot]:C.Data[1].6 [Adapter Name]:[Slot]:C.Data[1].
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Configure the 1794-IE8H Module in RSLogix 5000 Software Over the ControlNet Network E-5 Up/Down Bit Channel Bits 0…3 [Adapter Name]:[Slot]:C.Data[0].8 4…7 [Adapter Name]:[Slot]:C.Data[1].8 Up/Down Bit Description 0 Up 1 Down High and Low Error Level Channel Bits 0…3 [Adapter Name]:[Slot]:C.Data[0].9 [Adapter Name]:[Slot]:C.Data[0].10 [Adapter Name]:[Slot]:C.Data[0].11 [Adapter Name]:[Slot]:C.Data[0].12 [Adapter Name]:[Slot]:C.Data[0].13 4…7 [Adapter Name]:[Slot]:C.Data[1].
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E-6 Configure the 1794-IE8H Module in RSLogix 5000 Software Over the ControlNet Network High and Low Error Bits Publication 1794-UM063A-EN-P - March 2006 Description 13 12 11 10 9 0 0 0 0 0 Disabled 0 0 0 0 1 0.1 mA 0 0 0 1 0 0.2 mA 0 0 0 1 1 0.3 mA 0 0 1 0 0 0.4 mA 0 0 1 0 1 0.5 mA 0 0 1 1 0 0.6 mA 0 0 1 1 1 0.7 mA 0 1 0 0 0 0.8 mA 0 1 0 0 1 0.9 mA 0 1 0 1 0 1.0 mA 0 1 0 1 1 1.1 mA 0 1 1 0 0 1.2 mA 0 1 1 0 1 1.
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Configure the 1794-IE8H Module in RSLogix 5000 Software Over the ControlNet Network E-7 Square Root Threshold Bits [Adapter Name]:[Slot]:C.Data[1].14 [Adapter Name]:[Slot]:C.Data[1].15 Input 15 14 Range 0 0 Disabled 0 1 2% 1 0 5% 1 1 10% Analog Input Data Channel Words 0 [Adapter Name]:[Slot]:I.Data[0] 1 [Adapter Name]:[Slot]:I.Data[1] 2 [Adapter Name]:[Slot]:I.Data[2] 3 [Adapter Name]:[Slot]:I.Data[3] 4 [Adapter Name]:[Slot]:I.Data[4] 5 [Adapter Name]:[Slot]:I.
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E-8 Configure the 1794-IE8H Module in RSLogix 5000 Software Over the ControlNet Network Overrange Alarm Channel Bits 0 [Adapter Name]:[Slot]:I.Data[8].8 1 [Adapter Name]:[Slot]:I.Data[8].9 2 [Adapter Name]:[Slot]:I.Data[8].10 3 [Adapter Name]:[Slot]:I.Data[8].11 4 [Adapter Name]:[Slot]:I.Data[8].12 5 [Adapter Name]:[Slot]:I.Data[8].13 6 [Adapter Name]:[Slot]:I.Data[8].14 7 [Adapter Name]:[Slot]:I.Data[8].15 Local Fault Channel Bits 0 [Adapter Name]:[Slot]:I.Data[9].
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Configure the 1794-IE8H Module in RSLogix 5000 Software Over the ControlNet Network E-9 Diagnostic Status Bits [Adapter Name]:[Slot]:I.Data[10].0 [Adapter Name]:[Slot]:I.Data[10].1 [Adapter Name]:[Slot]:I.Data[10].2 [Adapter Name]:[Slot]:I.Data[10].
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E-10 Configure the 1794-IE8H Module in RSLogix 5000 Software Over the ControlNet Network Publication 1794-UM063A-EN-P - March 2006
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Appendix F Configure the 1794-OE8H Module in RSLogix5000 Software Over the ControlNet Network What This Appendix Contains This appendix provides the information needed to configure the 1794-OE8H analog output module in RSLogix 5000 software over the ControlNet network using version 13 or earlier and the generic profile. Background Information Make sure that your Comm-Format is set to Data - INT.
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F-2 Configure the 1794-OE8H Module in RSLogix5000 Software Over the ControlNet Network Configuration Refer to the following tables for configuration information. Data Format Control Channel Bits 0 and 1 [Adapter Name]:[Slot]:C.Data[0].0 [Adapter Name]:[Slot]:C.Data[0].1 [Adapter Name]:[Slot]:C.Data[0].2 [Adapter Name]:[Slot]:C.Data[0].3 2 and 3 [Adapter Name]:[Slot]:C.Data[0].4 [Adapter Name]:[Slot]:C.Data[0].5 [Adapter Name]:[Slot]:C.Data[0].6 [Adapter Name]:[Slot]:C.Data[0].
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Configure the 1794-OE8H Module in RSLogix5000 Software Over the ControlNet Network F-3 Data Format Bits 3 2 1 0 Range Resolution Full Range Interpretation Data Value Table Count per mA 7 6 5 4 0 0 0 0 0…20 mA 0.1% of 0…20 mA 0…22 mA 0…22 mA 0…22000 1000 0 0 0 1 0…20 mA 0.2% of 0…20 mA 0…22 mA 0…110% 0…11000 500 0 0 1 0 Not Valid 0 0 1 1 0…20 mA 0.3% of 0…20 mA 0…20 mA Unsigned Integer 0…65535 3276 0 1 0 0 4…20 mA 0.
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F-4 Configure the 1794-OE8H Module in RSLogix5000 Software Over the ControlNet Network Analog Fault State . Analog Fault State for Channel Bits 0 [Adapter Name]:[Slot]:C.Data[3] 1 [Adapter Name]:[Slot]:C.Data[4] 2 [Adapter Name]:[Slot]:C.Data[5] 3 [Adapter Name]:[Slot]:C.Data[6] 4 [Adapter Name]:[Slot]:C.Data[7] 5 [Adapter Name]:[Slot]:C.Data[8] 6 [Adapter Name]:[Slot]:C.Data[9] 7 [Adapter Name]:[Slot]:C.
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Configure the 1794-OE8H Module in RSLogix5000 Software Over the ControlNet Network F-5 Latch Retry Mode Channel Bits 0…3 [Adapter Name]:[Slot]:C.Data[1].14 4…7 [Adapter Name]:[Slot]:C.Data[1].15 Retry 0 Latch 1 Analog/Digital Mode Channel Bits 0 [Adapter Name]:[Slot]:C.Data[2].0 1 [Adapter Name]:[Slot]:C.Data[2].1 2 [Adapter Name]:[Slot]:C.Data[2].2 3 [Adapter Name]:[Slot]:C.Data[2].3 4 [Adapter Name]:[Slot]:C.Data[2].4 5 [Adapter Name]:[Slot]:C.Data[2].
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F-6 Configure the 1794-OE8H Module in RSLogix5000 Software Over the ControlNet Network Analog Fault State Values Output Channel Bits 0 [Adapter Name]:[Slot]:C.Data[3] 1 [Adapter Name]:[Slot]:C.Data[4] 2 [Adapter Name]:[Slot]:C.Data[5] 3 [Adapter Name]:[Slot]:C.Data[6] 4 [Adapter Name]:[Slot]:C.Data[7] 5 [Adapter Name]:[Slot]:C.Data[8] 6 [Adapter Name]:[Slot]:C.Data[9] 7 [Adapter Name]:[Slot]:C.Data[10] Refer to the following tables for output information.
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Configure the 1794-OE8H Module in RSLogix5000 Software Over the ControlNet Network F-7 Analog Output Data Input Channel Bits 0 [Adapter Name]:[Slot]:O.Data[1] 1 [Adapter Name]:[Slot]:O.Data[2] 2 [Adapter Name]:[Slot]:O.Data[3] 3 [Adapter Name]:[Slot] O.Data[4] 4 [Adapter Name]:[Slot]:O.Data[5] 5 [Adapter Name]:[Slot]:O.Data[6] 6 [Adapter Name]:[Slot]:O.Data[7] 7 [Adapter Name]:[Slot]:O.Data[8] Refer to the following tables for input information.
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F-8 Configure the 1794-OE8H Module in RSLogix5000 Software Over the ControlNet Network Fault Alarm Channel Bits 0 [Adapter Name]:[Slot]:I.Data[0].8 1 [Adapter Name]:[Slot]:I.Data[0].9 2 [Adapter Name]:[Slot]:I.Data[0].10 3 [Adapter Name]:[Slot]:I.Data[0].11 4 [Adapter Name]:[Slot]:I.Data[0].12 5 [Adapter Name]:[Slot]:I.Data[0].13 6 [Adapter Name]:[Slot]:I.Data[0].14 7 [Adapter Name]:[Slot]:I.Data[0].15 HART Failure Channel Bits 0 [Adapter Name]:[Slot]:I.Data[2].
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Configure the 1794-OE8H Module in RSLogix5000 Software Over the ControlNet Network F-9 HART Communication Channel Bits 0 [Adapter Name]:[Slot]:I.Data[3].0 1 [Adapter Name]:[Slot]:I.Data[3].1 2 [Adapter Name]:[Slot]:I.Data[3].2 3 [Adapter Name]:[Slot]:I.Data[3].3 4 [Adapter Name]:[Slot]:I.Data[3].4 5 [Adapter Name]:[Slot]:I.Data[3].5 6 [Adapter Name]:[Slot]:I.Data[3].6 7 [Adapter Name]:[Slot]:I.Data[3].7 HART Transmitter Channel Bits 0 [Adapter Name]:[Slot]:I.Data[3].
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F-10 Configure the 1794-OE8H Module in RSLogix5000 Software Over the ControlNet Network Publication 1794-UM063A-EN-P - March 2006
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Index A H Alarms 1794-IE8 module 1-3 local fault 1-3, 1-6 overrange 1-3, 1-4 programming remote fault 1-6 remote fault 1-3, 1-5 underrange 1-3, 1-4 using fault mode with local fault alarm 2-2 using fault mode with remote fault alarm 2-2 using remote fault alarm to determine alarm levels 1-5 Analog Digital State 1794-OE8 module 2-8 Analog Fault State 1794-OE8 module 2-8 B Bit Descriptions image table mapping 2-12 Bit/Word Description 4 output/4 input module 2-17 C Calibration 5-1 periodic 5-1 tools 5-2 t
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2 Index R Remote Transmitter Error Up or Down 1794-IE8 module 2-2 Removal and Insertion Under Power (RIUP) 3-2 S Scheduled Data-Transfer over the FLEX Ex backplane 4-3 Specifications 1794-IE8 module A-1 T Tools calibration 5-2 Troubleshooting 1794-IE8 module indicators 6-1 1794-OE8 module indicators 6-2 Publication 1794-UM063A-EN-P - March 2006 module indicators 1-3 module repair 6-2 Two-Wire Transmitter Devices connecting to the 1794-IE8 module 3-9 U Unscheduled Data-Transfer over the FLEX Ex backpl
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