Industrial Registers Models ER-420-AC, ER-420-DC & ER-420-LP Totalizer and Rate of Flow Indicator with 4-20 mA Output Signal REG-UM-00018-EN-08 (May 2014) User Manual
Industrial Registers, Models ER-420-AC, ER-420-DC & ER-420-LP Page ii May 2014
User Manual CONTENTS About this Manual . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5 Conventions Used in this Manual . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5 Safety . . . . . . . . . . . . . . . . . .
Industrial Registers, Models ER-420-AC, ER-420-DC & ER-420-LP Page iv May 2014
User Manual ABOUT THIS MANUAL This operation manual is divided into two main sections: • The daily use of the unit is described in "Operation" on page 9. These instructions are meant for users. • The remaining sections and appendices are exclusively meant for electricians and technicians. These provide a detailed description of all software settings and hardware installation guidance. This operation manual describes the standard unit as well as most of the options available.
Industrial Registers, Models ER-420-AC, ER-420-DC & ER-420-LP Rules and Precautionary Measures The manufacturer accepts no responsibility whatsoever if the following safety rules and precautions instructions and the procedures as described in this manual are not followed. • Modifications of the ER-420 implemented without preceding written consent from the manufacturer, will result in the immediate termination of product liability and warranty period.
User Manual INTRODUCTION System Description of the ER-420 Firmware Version The product label displays the firmware version for Rev. 03 and later. Earlier versions do not display the revision number. Revision Figure 1: Product label Functions and features The flow rate/totalizer model ER-420 is a microprocessor driven instrument designed to display Flow Rate, Total and Accumulated Total.
Industrial Registers, Models ER-420-AC, ER-420-DC & ER-420-LP Configuring the unit The ER-420 was designed to be implemented in many types of applications. For that reason, a Setup level is available to configure your ER-420 according to your specific requirements. Setup includes several important features, such as K-factors, measurement units and signal selection. All setting are stored in EEPROM memory and will not be lost in the event of power failure or a drained battery.
User Manual OPERATION THE ER-420 MAY ONLY BE OPERATED BY PERSONNEL WHO ARE AUTHORIZED AND TRAINED BY THE OPERATOR OF THE FACILITY. OBSERVE ALL INSTRUCTIONS IN THIS MANUAL. TAKE CAREFUL NOTICE OF "SAFETY" ON PAGE 5. Control Panel The control panel contains the following keys: Figure 3: Control panel Functions of the keys This key is used to program and save new values or settings. It is also used to gain access to Setup level. See "Programming Setup Level" on page 11.
Industrial Registers, Models ER-420-AC, ER-420-DC & ER-420-LP Display flow rate / total or flow rate This is the main display information of the ER-420. After selecting any other information, it will always return to this main display automatically. Total is displayed on the upper line of the display and Flow Rate on the bottom line. It is possible to display Flow Rate only with the large 0.67" digits; in this instance press, SELECT to read the Total.
User Manual CONFIGURATION Introduction • MOUNTING, ELECTRICAL INSTALLATION, START-UP AND MAINTENANCE OF THE INSTRUMENT MAY ONLY BE CARRIED OUT BY TRAINED PERSONNEL AUTHORIZED BY THE OPERATOR OF THE FACILITY. PERSONNEL MUST READ AND UNDERSTAND THIS MANUAL BEFORE CARRYING OUT ITS INSTRUCTIONS. • THE ER-420 MAY ONLY BE OPERATED BY PERSONNEL WHO ARE AUTHORIZED AND TRAINED BY THE OPERATOR OF THE FACILITY. ALL INSTRUCTIONS IN THIS MANUAL ARE TO BE OBSERVED.
Industrial Registers, Models ER-420-AC, ER-420-DC & ER-420-LP Matrix structure of the setup level Scrolling through the setup level Selecting function groups and functions Setup is divided into several function groups and functions. Each function has a unique number, which displays below the word "SETUP" at the bottom of the screen. The number is a combination of two figures. The first figure indicates the function group and the sec figure indicates the sub-function.
User Manual If the new value is invalid, the increase sign ( ^ ) or decrease-sign ( ) will be displayed while you are programming. When you change data but do not press ENTER, you can cancel the change by waiting for 20 secs or by pressing ENTER for three secs. The PROG procedure will be left automatically and the former value restored. NNOTE: Changes will only be set after you press ENTER. Returning to the operator level In order to return to the operator level, press PROG for three secs.
Industrial Registers, Models ER-420-AC, ER-420-DC & ER-420-LP Overview of Setup Functions Setup Functions and Variables 1 2 3 Total 11 UNIT L, m3, kg, lb, GAL, USGAL, bbl, no unit 12 DECIMALS 0, 1, 2, 3 (Ref: displayed value) 13 K-FACTOR 0.
User Manual Details of Setup Functions 1 – TOTAL MEASUREMENT UNIT 11 SETUP 11 determines the measurement unit for total, accumulated total and pulse output. The options are: L, m3, kg, lb, GAL, USGAL, bbl, __ (no unit). Alteration of the measurement unit will have consequences for operator and setup level values. Please note that the K-factor has to be adapted as well; the calculation is not done automatically.
Industrial Registers, Models ER-420-AC, ER-420-DC & ER-420-LP 2 – FLOW RATE The settings for Total and Flow Rate are entirely separate. In this way, different units of measurement can be used, for example, USGAL for Total and barrels for Flow Rate. The display update time for Flow Rate is one sec or more. NNOTE: These settings also influence the analog output. MEASUREMENT UNIT SETUP 21 determines the measurement unit for flow rate.
User Manual 5 – FLOWMETER SIGNAL 51 The ER-420 is able to handle several types of input signal. The type of flowmeter pickup / signal is selected with SETUP 51. NNOTE: The selections "active pulse" offer a detection level of 50% of the supply voltage. Read also par. 4.4.2.2. and 4.4.3.2. Flowmeter input terminal 09-11. Type of Signal Explanation Resistance Freq. / MV Remark NPN NPN input 100 K pull-up 6 kHz (open collector) NPN - LP NPN input with low pass filter 100 K pull-up 2.
Industrial Registers, Models ER-420-AC, ER-420-DC & ER-420-LP 6 – ANALOG OUTPUT A linear analog 4-20 mA signal is generated according to the Flow Rate with a 10 bits resolution. The settings for Flow Rate (SETUP 2) influence the analog output directly. The relationship between rate and analog output is set with the following functions: DISABLE / ENABLE 61 The analog output can be disabled. When disabled, a 3.5 mA will be generated if a power supply is available.
User Manual 6 – ANALOG OUTPUT FILTER 67 This function is used to stabilize the analog output signal. The output value is updated every 0.1 sec. With the help of this digital filter a more stable but less precise reading can be obtained. The filter principal is based on three input values: the filter level (01…99), the last analog output value and the last average value. The higher the filter level, the longer the response time on a value change will be.
Industrial Registers, Models ER-420-AC, ER-420-DC & ER-420-LP 7 – PULSE OUTPUT for Versions Earlier than Rev. 03 One transistor or mechanical pulse output is available as scaled pulse output according to the Accumulated Total. PERIOD TIME PULSE OUTPUT 71 The period time determines the time that the transistor or relay will be switched—the pulse length. The minimum time between the pulses is as long as the selected period time. One period is approximately 7.8 msec.
User Manual 9 – OTHERS MODEL 91 For support and maintenance, it is important to have information about the characteristics of the ER-420. The main platform of this product is the F100-series with a pulse input signal type P. Your supplier will ask for this information in the case of a serious breakdown or to assess the suitability of your model for upgrade considerations. TYPE 92 For support and maintenance, it is important to have information about the characteristics of the ER-420.
Industrial Registers, Models ER-420-AC, ER-420-DC & ER-420-LP Transmitter Pulses Per Unit Use with the following transmitters: FT1, FT2XP, PFT2, PFT3, RST, RST-6P Size Meter Model US Gallons Liters Ft3 1/2" OP 222.960 58.899 1687.857 1/2" OP (FT1 only) 111.500 29.455 834.078 1" OP 76.640 20.246 573.307 2" OP 20.600 5.442 154.099 2" Industrial Turbo 17.360 4.586 129.862 3" Industrial Turbo 12.400 3.276 92.758 4" Industrial Turbo 2.560 0.676 19.
User Manual INSTALLATION General Directions • MOUNTING, ELECTRICAL INSTALLATION, START-UP AND MAINTENANCE OF THIS INSTRUMENT MAY ONLY BE CARRIED OUT BY TRAINED PERSONNEL AUTHORIZED BY THE OPERATOR OF THE FACILITY. PERSONNEL MUST READ AND UNDERSTAND THIS MANUAL BEFORE CARRYING OUT ITS INSTRUCTIONS. • THE ER-420 MAY ONLY BE OPERATED BY PERSONNEL WHO ARE AUTHORIZED AND TRAINED BY THE OPERATOR OF THE FACILITY. ALL INSTRUCTIONS IN THIS MANUAL ARE TO BE OBSERVED.
Industrial Registers, Models ER-420-AC, ER-420-DC & ER-420-LP GRP (Glassfiber-Reinforced Polyamide) Enclosure Dimensions Figure 5: Enclosure dimensions Installing the Hardware Introduction ELECTRO STATIC DISCHARGE DOES INFLICT IRREPARABLE DAMAGE TO ELECTRONICS! BEFORE INSTALLING OR OPENING THE UNIT, THE INSTALLER HAS TO DISCHARGE HIMSELF BY TOUCHING A WELL-GROUNDED OBJECT. THIS UNIT MUST BE INSTALLED IN ACCORDANCE WITH THE EMC GUIDELINES (ELECTRO MAGNETIC COMPATIBILITY).
User Manual ER-420-LP The following terminal connectors are available: Figure 6: Overview terminal connectors loop powered ER-420-LP Voltage selection sensor supply Terminal 11 provides a limited supply voltage of 3.2V DC for the signal output of the flowmeter.
Industrial Registers, Models ER-420-AC, ER-420-DC & ER-420-LP Terminal 07-08 analog output (SETUP 7) : A passive 4-20 mA signal proportional to the flow rate is available with this option. When a power supply is connected but the output is disabled, a 3.5 mA signal will be generated. Maximum driving capacity is 1000 Ohm. This output does loop power the unit as well. Terminal 09-11; Flowmeter input: Two basic types of flowmeter signals can be connected to the unit: passive or active pulse.
User Manual Pulse-signal PNP / PNP-LP: The ER-420 is suitable for use with flowmeters which have a PNP output signal. 3.2V is offered on terminal 11 which has to be switched by the sensor to terminal 10 (SIGNAL). For a reliable pulse detection, the pulse amplitude has to go above 1.2V. Signal setting PNP-LP employs a low-pass signal noise filter, which limits the maximum input frequency (see "Details of Setup Functions" on page 15).
Industrial Registers, Models ER-420-AC, ER-420-DC & ER-420-LP Reed switch The ER-420 is suitable for use with flowmeters which have a reed switch. To avoid pulse bounce from the reed switch, select REED LP – low-pass filter (see "Details of Setup Functions" on page 15). Transmitter wire pairs to terminals are either green and white or black and blue.
User Manual Switch positions Sensor A • • • Sensor B Voltage Selection Switch 1 Voltage Switch 2 Voltage Switch 3 Switch 4 Voltage internal 3.2V DC — — on on 8.2V DC external switch 3+4 — — on off 12V DC — — — — off off 2 V DC Function switch 1: voltage selection sensor A, terminal 11. Function switch 2: not available for this model. Function switch 3+4: the combination of these switches determine the voltage as indicated.
Industrial Registers, Models ER-420-AC, ER-420-DC & ER-420-LP Terminal 09-11 flowmeter input • Two basic types of flowmeter signals can be connected to the unit: passive or active pulse. • The screen of the signal wire must be connected to the common ground terminal 9 (unless earthed at the sensor itself ). • The maximum input frequency is approximately 10 kHz (depending on the type of signal).
User Manual Pulse-signal PNP / PNP-LP The ER-420 is suitable for use with flowmeters which have a PNP output signal. For a reliable pulse detection, the pulse amplitude has to go above 1.2V. Signal setting PNP-LP employs a low-pass signal noise filter, which limits the maximum input frequency (see "Details of Setup Functions" on page 15). For a signal detection level of 50% of the supply voltage, see "Active signals 8.1V to 12V and 24V" on page 31. Active signals 8.
Industrial Registers, Models ER-420-AC, ER-420-DC & ER-420-LP Reed switch The ER-420 is suitable for use with flowmeters which have a reed switch. To avoid pulse bounce from the reed switch, select REED LP low-pass filter (see "Details of Setup Functions" on page 15).
User Manual Industrial Oval Gear Adapter Wiring Figure 9: ER-420 Wiring See "Transmitter Pulses Per Unit" on page 22. Figure 10: ER-420 Transmitter Adapter Switch Positions NNOTE: The meter size selector switch must be set to correspond to the size of the meter to properly detect fluid flow.
Industrial Registers, Models ER-420-AC, ER-420-DC & ER-420-LP MAINTENANCE General Directions • MOUNTING, ELECTRICAL INSTALLATION, START-UP AND MAINTENANCE OF THE INSTRUMENT MAY ONLY BE CARRIED OUT BY TRAINED PERSONNEL AUTHORIZED BY THE OPERATOR OF THE FACILITY. PERSONNEL MUST READ AND UNDERSTAND THIS OPERATING MANUAL BEFORE CARRYING OUT ITS INSTRUCTIONS. • THE ER-420 MAY ONLY BE OPERATED BY PERSONNEL WHO ARE AUTHORIZED AND TRAINED BY THE OPERATOR OF THE FACILITY.
User Manual TECHNICAL SPECIFICATIONS General Display Type High intensity reflective numeric and alphanumeric LCD, UV-resistant. Digits Seven 17 mm (0.67") and eleven 8 mm (0.31"). Various symbols and measuring units. Refresh rate User definable: 8 to 30/sec Enclosures General Control Keys GRP (glassfiber-reinforced polyamide) enclosure with polycarbonate window, silicone and EPDM gaskets. UV-stabilized and flame retardant material. Three industrial micro-switch keys. UV-stabilized silicone keypad.
Industrial Registers, Models ER-420-AC, ER-420-DC & ER-420-LP Inputs Flowmeter Type P NPN/PNP, open collector, reed switch, active pulse signals 8…12 and 24V. Frequency Minimum 0 Hz, maximum 7 kHz for total and flow rate. Maximum frequency depends on signal type and internal low-pass filter. Example: Reed switch with low-pass filter: maximum frequency is 120 Hz. K-Factor 0.000010…9,999,999 with variable decimal position. Low-pass filter Available for all pulse signals.
User Manual TROUBLESHOOTING Issue What to Check Refer to Flow meter does not generate pulses. Signal selection SETUP 51 Pulse amplitude "ER-420-DC and ER-420-AC" on page 28 Flowmeter, wiring and connection of terminal connectors "ER-420-DC and ER-420-AC" on page 28 Power supply of flowmeter par. 4.4.
Industrial Registers, Models ER-420-AC, ER-420-DC & ER-420-LP Your Configuration Settings Setting 1 – Total Default 11 unit GAL 12 decimals 0000000 13 K-factor 0000001 14 decimals K-factor 0 15 multiplication factor x1 2 – Flow Rate 21 unit GAL 22 time unit /min 23 decimals 0000000 24 K-factor 0000001 25 decimals K-factor 0 26 calculation / pulses 010 27 cut-off time 30.0 sec. 3 – Display 31 function total 4 – Power Management 41 LCD-new 1 sec.
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Control. Manage. Optimize. Trademarks appearing in this document are the property of their respective entities. Due to continuous research, product improvements and enhancements, Badger Meter reserves the right to change product or system specifications without notice, except to the extent an outstanding contractual obligation exists. © 2014 Badger Meter, Inc. All rights reserved. www.badgermeter.
