7800 SERIES S7800A2142 Keyboard Display Module PRODUCT DATA The S7800A2142 KDM offers the following technical advancements to the 7800 SERIES devices: • Compatible with installed Honeywell 7800 SERIES systems. • When used with the new 7800 SERIES with Valve Proving Feature, the KDM allows for programming the Valve Proving Control feature and timing (Pass Code protected feature).
7800 SERIES S7800A2142 KEYBOARD DISPLAY MODULE FEATURES SPECIFICATIONS • Application flexibility. Electrical Ratings: Voltage and Frequency: 13 Vdc peak full wave rectified (+20%/-15%). Power Dissipation: 7W maximum. VA consumption: 2 VA maximum. • Communication interface capability. — — Through Q7700 Network Interface Unit Through 203541 Connector on the ModBus data highway. • Dependable, long-term operation provided by microcomputer technology.
7800 SERIES S7800A2142 KEYBOARD DISPLAY MODULE 4.85 (123.3) .22 (5.7) 2.75 (69.8) 2.63 (66.8) .34 (8.8) .11 (2.9) 3.76 (95.4) .21 (5.4) .18 (4.6) .91 (23.1) .99 (25.1) .17 (4.3) .10 (2.4) Humidity .78 (19.8) .10 (2.5) 1.97 1.84 (50) (46.7) .59 (15) .52 (13.2) 1.14 (29) 4.19 (106.4) INSTALLATION WARNING Electrical Shock Hazard. Can cause severe injury, death or property damage. Disconnect the power supply before beginning installation to prevent electrical shock and equipment damage.
7800 SERIES S7800A2142 KEYBOARD DISPLAY MODULE SERVICE NOTE: The S7800A2142 can either do the Expanded Annunciator Feature or ModBus -- not both. If BOTH are required, order the S7810M1003 ModBus Module for the ModBus option. B. The S7800A2142 KDM is also used to program the Valve Proving and Post-purge feature of Select RM7800 SERIES devices. See Appendix B. Mounting KDM on 7800 SERIES Relay Module. 1. Align the two interlocking ears of the KDM with the two mating slots on the 7800 SERIES Relay Module.
7800 SERIES S7800A2142 KEYBOARD DISPLAY MODULE WIRING WARNING Electrical Shock Hazard. Can cause severe injury or death. To prevent electrical shock and equipment damage, disconnect the power supply from the main disconnect before beginning installation. More than one disconnect can be involved. 1. 2. 3. 4. 5. Refer to Fig. 3 for proper wiring. Make sure all wiring complies with all applicable electrical codes, ordinances and regulations. For recommended wire size and type, see Table 1.
7800 SERIES S7800A2142 KEYBOARD DISPLAY MODULE KDM Display The first line of the KDM display provides current status of the burner sequence (STANDBY, PURGE, PILOT IGN, MAIN IGN, RUN and POSTPURGE), timing information (PURGE, PILOT IGN, MAIN IGN and POSTPURGE) in minutes and seconds, hold information (PURGE HOLD), and lockout information (Lockout, Fault Code, Message and Sequence). The second line will display selectable or preemptive messages.
800 SERIES S7800A2142 KEYBOARD DISPLAY MODULE PC/PLC + A B GND C MOMENTARY PUSHBUTTON SWITCH RS-485 BUS 2 3 4 5 1 2 3 4 5 A B C (GND) +13 VDC 6 RESET 1 RM78xx SERIES DEVICE WITH S7800 SERIES 5 OR GREATER DISPLAY. MOMENTARY PUSHBUTTON SWITCH 1 2 3 4 5 1 2 3 4 5 A B C (GND) +13 VDC RESET 6 RM78xx SERIES DEVICE WITH S7800 SERIES 5 OR GREATER DISPLAY. 1 1 MULTI-DROP RS-485 COMMUNICATION BUS.
7800 SERIES S7800A2142 KEYBOARD DISPLAY MODULE Fig. 5. S7800 Keyboard Display Module. Keyboard Functions The keyboard contains six push-buttons that are used to navigate on each page and between pages on the display module (see Fig. 6).
7800 SERIES S7800A2142 KEYBOARD DISPLAY MODULE When a line has a right arrow symbol positioned on the righthand side it indicates that this line can navigate to another page, "Next page", related to the subject of the line when that line has input focus. A "Right arrow" or "OK" button can be pressed when the focus is on this line to navigate to the next page. SCROLL BAR 4 LINES LINE WITH INPUT FOCUS RIGHT ARROW SYMBOL INDICATES “NEXT” PAGE IS AN OPTION Fig. 7.
7800 SERIES S7800A2142 KEYBOARD DISPLAY MODULE For pages that allow user input (see Fig. 10) the input value is edited on the page and then is acknowledged or confirmed at another tab position on the page ("Yes" tab in the above example). This confirmation action permits the user to cancel the editing and not commit to the change or to accept the edited value. Home Page The Home page is the main status page that displays primary status of the burner control operation (see Fig. 11).
7800 SERIES S7800A2142 KEYBOARD DISPLAY MODULE TROUBLESHOOTING After the KDM is installed, return the 7800 SERIES to normal operation, restore power and run the system through at least one complete automatic cycle. For complete Troubleshooting and System Checkout information, see form 65-0229. 7800 SERIES System Diagnostics Troubleshooting control system equipment failures is made easier with the 7800 SERIES self-diagnostics and first-out annunciation.
7800 SERIES S7800A2142 KEYBOARD DISPLAY MODULE Table 3. Keyboard Display Module Sequence and Status Hold Messages (Continued). Sequence Status STANDBY HOLD: T7 (Lockout Interlock) The KDM indicates the burner status and that the Lockout Interlock is closed. A demand is present for burner operation, but the burner sequence does not advance to PREPURGE until the Lockout Interlock proves open. If this time exceeds the 120 second hold, the relay module locks out.
7800 SERIES S7800A2142 KEYBOARD DISPLAY MODULE Table 3. Keyboard Display Module Sequence and Status Hold Messages (Continued). Sequence RESET/ALARM TEST Status The KDM indicates the burner status, RESET/ALARM TEST. This condition indicates that the reset button is pressed. If it is held for more than four seconds, the alarm output is energized. The alarm output is de-energized when the reset button is released.
7800 SERIES S7800A2142 KEYBOARD DISPLAY MODULE Fig. 15. Troubleshooting guide faults section The Faults section can be accessed starting at the beginning (see Fig. 15) or by going directly to a specific fault code (see Fig. 16). Fig. 16.
7800 SERIES S7800A2142 KEYBOARD DISPLAY MODULE Historical Information Index The S7800 displays historical information for the six most recent lockouts. Each of the six lockout records retains the cycle when the fault occurred, a fault code, a fault message, and burner status when the fault occurred. The fault history can be accessed from either the Home or Display Menu pages (see Fig. 19). Fig. 19.
7800 SERIES S7800A2142 KEYBOARD DISPLAY MODULE Table 4. Accessing Historical and Diagnostic Selectable Messages. Step Operation Press 1. Press buttons to access Diagnostic Information. 2. Press button to access Diagnostic Information. 3. Display Comments STANDBY Diagnostic Information> Use the Down/Up arrow buttons to access the "Diagnostic information" line. STANDBY Diagnostic Information> Use the right arrow or OK button to access the Diagnostic Information.
7800 SERIES S7800A2142 KEYBOARD DISPLAY MODULE When an annunciator is connected to the burner control system it may annunciate the lockout to provide more detailed information regarding the lockout. In this case the fault code is annunciated with a fault code letter and the fault description identifies more specifically the cause of the fault (see Fig. 23 for an example).
7800 SERIES S7800A2142 KEYBOARD DISPLAY MODULE The first or top line of the message is not custom and is the same as the top line in the standard lockout message. This line permits the user to navigate to the Lockout Detail page. The lockout message (standard or custom) displays continuously while the lockout condition persists. The user may elect to exit the message to view other pages by pressing the “Left arrow” or “Home” button which navigates to the Home page.
7800 SERIES S7800A2142 KEYBOARD DISPLAY MODULE Table 5. Fault Message Summary. (Continued) Fault Code Fault 9 *Flame Detected* System Failure Flame sensed when no flame is expected during STANDBY. 1. 2. 3. 4. 5. Fault 10 *Pre-Ignition ILK* 6. 7. 1. 2. Pre-Ignition Interlock fault during STANDBY 3. 4. Fault 11 *Running ILK On* Fault 12 *Lockout ILK On* Fault 13 *Airflow Sw. On* 5. 1. Running Interlock powered at improper sequence point. Lockout Interlock powered at improper sequence point.
7800 SERIES S7800A2142 KEYBOARD DISPLAY MODULE Table 5. Fault Message Summary. (Continued) Fault Code Fault 16 *Flame-Out Timer* System Failure No-flame detected during Pilot Flame Establishing Period. 1. 2. 3. Fault 17 *Main Flame Fail* Fault 18 *Flame Detected* 4. 1. 2. Main flame failure during RUN after flame is established an on for at least 10 seconds. 3. Flame sensed when the shutter is open and no flame is expected during PREPURGE. 1. 2. 3. 4. 5. 6. Fault 19 *Main Flame Ign.* 7. 1. 2.
7800 SERIES S7800A2142 KEYBOARD DISPLAY MODULE Table 5. Fault Message Summary. (Continued) Fault Code Fault 26 *Man-Open Sw. Off* System Failure The Manual Open Valve Switch was off when it should be on (Device specific). 1. 2. 3. 4. 5. 6. Fault 27 *Start Switch On* Start Switch was on during PREPURGE (Device specific). 1. 2. 3. 4. 5. Fault 28 *Pilot Flame Fail* Pilot flame failure. 1. 2. 3. 4. 5. Fault 29 *Lockout ILK* Lockout Interlock fault. 1. 2. 3. 4. 5.
7800 SERIES S7800A2142 KEYBOARD DISPLAY MODULE Table 5. Fault Message Summary. (Continued) Fault Code Fault 31 *Low Fire Sw. Off* System Failure Low Fire Interlock Switch failure to close during RUN (Device specific). 1. 2. 3. 4. 5. Fault 32 *Airflow Switch* Combustion Airflow Interlock fault. 1. 2. 3. 4. 5. Fault 33 *Pre-Ignition ILK* Pre-Ignition Interlock fault. 1. 2. 3. 4. 5.
7800 SERIES S7800A2142 KEYBOARD DISPLAY MODULE Table 5. Fault Message Summary. (Continued) Fault Code Fault 41 *Main Valve On* Fault 42 *Pilot Valve On* Fault 43 *Ignition On* Fault 44 *Pilot Valve 2 On* System Failure Main valve terminal was on when it should be off. Pilot (ignition) valve terminal was on when it should be off. Ignition terminal was on when it should be off. V2S valve terminal, used as a pilot, is on when it should be off. Fault 45 *Low Fire Sw.
7800 SERIES S7800A2142 KEYBOARD DISPLAY MODULE Table 5. Fault Message Summary. (Continued) Fault Code Fault 51 *Flame Too Strong* System Failure Flame signal value is too high to be valid. 1. 2. 3. 4. 5. 6. Fault 52 *Call Service* Fault 53 *Lockout Switch* 7. 8. 9. 1. Pilot Valve 2 (terminal 21) was off when it should be on. 2. 3. 1. 2. Lockout Input fault (EC/RM7850 only). 3. Fault 54 *Comb. Pressure* 4. 1. 2. Combustion pressure switch fault (Fulton pulse only). 3. 4.
7800 SERIES S7800A2142 KEYBOARD DISPLAY MODULE Table 5. Fault Message Summary. (Continued) Fault Code Fault 62 System Failure MV2 Off (Terminal 17); should be ON. Fault 63 MV1 ON (Terminal 9); should be OFF. 1. 2. 3. Fault 64 MV2 ON (Terminal 17); should be OFF. 1. 2. 3. Fault 65 *VPS Off* Valve Proving Switch (Terminal 16) OFF; should be ON. (VPS High Test) Valve Proving Switch (Terminal 16) ON; should be OFF. (VPS Low Test) L1 and L2 miswired/exchanged (EC/RM7850 only).
7800 SERIES S7800A2142 KEYBOARD DISPLAY MODULE Table 5. Fault Message Summary. (Continued) Fault Code Fault 73 *Spec.Func.3* Fault 75 *Flame Proven Feedback* Faults 76 - 87 *Accessory Fault* Fault 88 *Accessory Fault* System Failure Special Function 3 Input (terminal 19) is off when it should be on (Device specific). 1. 2. 3. 4. 1. 2. 3. Flame Indication Feedback (terminal 21) either on when it should be off or off when it should be on (Device specific).
7800 SERIES S7800A2142 KEYBOARD DISPLAY MODULE Table 5. Fault Message Summary. (Continued) Fault Code Fault 110 *Call Service* System Failure The configuration jumpers differ from stored values. 1. 2. 3. 4. Fault 111 *Call Service* Fault 112 - 126 *Call Service* Fault 127 *Call Service* Relay Module configuration jumper test failure. 1. Relay Module self-test failure. Safety relay feedback circuit was in an improper state. 2. 3. 1. 2. 1. 2.
7800 SERIES S7800A2142 KEYBOARD DISPLAY MODULE APPENDIX A: DISPLAY SETUP The S7800A1142 display module permits the following features to be configured: • Call for Service custom lockout message • Modbus interface — Enable — Address — Baud rate — Parity — U32 register Endian order • Annunciator terminal assignment • Custom annunciator terminal messages • Sleep time • Inactivity time • Selected status message (for Home page) • Backlight intensity level • Language • Heater mode The current settings of these p
7800 SERIES S7800A2142 KEYBOARD DISPLAY MODULE Fig. 31. Invalid login A successful login is active for all pages navigated to while staying within the configuration pages. When the display module returns back to the Home or Lockout page the login status is negated and future parameter changes will require the user to login again. Navigating to these display setup functions starts from the “Display menu” selection on the Home page (see Fig. 32).
7800 SERIES S7800A2142 KEYBOARD DISPLAY MODULE FIRST TWO LINES OF MESSAGE LAST FIVE LINES Fig. 35. Call for Service message The up and down arrow buttons are used to scroll through the menu lines. A “Next page” symbol is displayed on the menu line if it is selectable for an action (all menu lines except for the message itself).
7800 SERIES S7800A2142 KEYBOARD DISPLAY MODULE EDIT COMMANDS Fig. 38. Call for Service edit commands The edit commands are accessed from the edit line from either the first or last character positions. When the input focus is on the first character position of the edit line a left arrow button action navigates the input focus down to the navigation bar commands. When the input focus is on the last character position in the edit line a right arrow button action also moves down to the navigation bar.
7800 SERIES S7800A2142 KEYBOARD DISPLAY MODULE Fig. 41. Modbus interface setup The up and down arrow buttons are used to scroll between the two options: “Enabled” and “Disabled”. To commit the change the right arrow button is used to tab to the “Yes” command and the OK button is pressed to save the selected setting. If the setting should not be saved, scroll down to the “No” command and press the OK button. In both cases control returns back to the Modbus setup menu.
7800 SERIES S7800A2142 KEYBOARD DISPLAY MODULE The Modbus parity can be edited by selecting the “Parity” line and pressing the right arrow or OK button (see Fig. 44). The Modbus interface can be configured for one of the following parity types: • Even parity • Odd parity • No parity (None) The current parity setting is displayed initially when the page is entered. Fig. 44. Modbus parity setup The up and down arrow buttons are used to scroll through the parity choices on the edit line.
7800 SERIES S7800A2142 KEYBOARD DISPLAY MODULE The up and down arrow buttons are used to scroll between the two options on the edit line. The right and left arrow buttons are used to tab to the save commands, “Yes” and “No”. When the input focus is on the save commands the up and down arrow buttons scroll between “Yes” and “No”. When the order choice is set to the value desired the “Yes” command is selected and the OK button is pressed to commit the change.
7800 SERIES S7800A2142 KEYBOARD DISPLAY MODULE On the name selection line the up and down arrows are used to scroll through the names that are listed in Table 7. When the desired name for the terminal is displayed the name can be committed by navigating to the “Save” command on the command line. The right arrow button tabs to the “Exit” command from the name selection line (see Fig. 50) while the left arrow button tabs up to the terminal selection line. LEFT ARROW RIGHT ARROW Fig. 50.
7800 SERIES S7800A2142 KEYBOARD DISPLAY MODULE On the text edit line (see Fig. 53) the up and down arrow buttons are used to scroll through the alphabet characters in the message text. The up and down arrow buttons can be pressed and held to repeatedly scroll the characters. SCROLL THROUGH CHARACTERS Fig. 53. Scroll annunciator custom message characters The right and left arrow buttons move the input focus between the character positions in the text.
7800 SERIES S7800A2142 KEYBOARD DISPLAY MODULE Sleep Time The display sleep time determines whether the LCD in the display module should go blank or not after a period of time when no user activity occurs with the device. The display sleep time can be set to one of the following settings: • Never (don’t ever go to sleep) • 5 seconds • 10 seconds • 30 seconds • 1 minute • 5 minutes • 1 hour Sleep time setup is accessed from the Display Setup Menu (see Fig. 56).
7800 SERIES S7800A2142 KEYBOARD DISPLAY MODULE Table 6. Selectable Messages. Selectable Message/Display Description Possible States/Range (Terminals) Flame signal strength. Total cycles Total number of equipment 0 - 99,999 Cycle will be updated each operating cycles. (250,000; 999,999c) cyclesa time main valve is energized. Total hours Hour will be updated each time main Total number of equipment 0 - 99,999 operating hours. (250,000; 999,999c) hoursa valve output is energized for 60 minutes.
7800 SERIES S7800A2142 KEYBOARD DISPLAY MODULE Table 6. Selectable Messages. (Continued) Selectable Message/Display Jumper 1 Description Possible States/Range (Terminals) Comments Pilot Flame Establishing Period (PFEP). INTACT/CLIPPED Display shows state of PFEP jumper. If jumper is intact, 7800 SERIES was 10 second PFEP. If jumper is clipped, 7800 SERIES has 4 second PFEP. First Safety Time (for RM/EC7850). INTACT/CLIPPED Display shows state of First Safety Time (EC7850) jumper.
7800 SERIES S7800A2142 KEYBOARD DISPLAY MODULE Table 6. Selectable Messages. (Continued) Selectable Message/Display Description Possible States/Range (Terminals) Comments T12 Oil selectf Annunciator Oil selection. ON or OFF Indicates if interlock is on or off. T13 High oil pressuref Annunciator High oil pressure. ON or OFF Indicates if interlock is on or off. T14 Low oil pressuref Annunciator Low oil pressure. ON or OFF Indicates if interlock is on or off.
7800 SERIES S7800A2142 KEYBOARD DISPLAY MODULE Backlight Intensity Level The backlight intensity level specifies the intensity that the LCD backlight should have at this installation location. The following intensity levels can be specified: • 5 = Brightest • 4 = Brighter • 3 = Normal (no adjustment) – default • 2 = Slightly darker • 1 = Darker • 0 = Darkest Access to setup this parameter is obtained from the Display setup menu (see Fig. 59).
7800 SERIES S7800A2142 KEYBOARD DISPLAY MODULE Heater Mode Heater panel operation can be set by the user to one of the following settings: • Automatic (default) – heater turns on when internal temperature reaches 0oC or below • On – heater is on always • Off – heater is off always Heater mode setup is accessed from the Display setup menu (see Fig. 62). The current setting is displayed when the page is initially entered. Fig. 62.
7800 SERIES S7800A2142 KEYBOARD DISPLAY MODULE APPENDIX B: BURNER CONTROL COMMISSIONING The S7800 display module is required to commission the following features in 7800 SERIES burner control modules that support them: • Valve proving system • Post purge timing Not all 7800 modules support these features. Some models may support both features while some may only support one or the other.
7800 SERIES S7800A2142 KEYBOARD DISPLAY MODULE Fig. 65. Enter commissioning If the burner control is not in a state that permits commissioning to proceed, the commissioning setup menu displays this fact, but does display the current parameter settings (see Fig. 66). Only action permitted in this case is to press the left arrow button to exit the menu and return back to the Display setup menu page. COMMISSIONING CAN’T BE DONE AT THIS TIME Fig. 66.
7800 SERIES S7800A2142 KEYBOARD DISPLAY MODULE Fig. 68. Invalid commissioning login If the login is unsuccessful, the user can retry the login by tabbing back to the password digits using the left or right arrow buttons and re-edit the password. After a successful login the next commissioning page is automatically displayed (directed by the burner control module) to setup one of these parameters depending on the model: • Valve Proving (VP) when option – see next figure • Postpurge time – see Fig.
7800 SERIES S7800A2142 KEYBOARD DISPLAY MODULE Fig. 70. Commission valve proving time The up and down arrow buttons are used to increment/decrement the minutes and seconds digits in the edit line. The right and left arrow buttons are used to tab to the save commands, “Yes” and “No”. When the input focus is on the save commands the up and down arrow buttons scroll between “Yes” and “No”.
7800 SERIES S7800A2142 KEYBOARD DISPLAY MODULE SETTING ENTERED EARLIER Fig. 72. Confirm valve proving when option The right and left arrow buttons are used to tab between the “Yes” and “No” commands. When the decision is made the OK button is pressed to inform the burner control module. A “No” command stops the commissioning and control returns back to the commissioning menu.
7800 SERIES S7800A2142 KEYBOARD DISPLAY MODULE Fig. 75. Commission RESET button After the RESET button has been held for 5 seconds the burner control module indicates that commissioning is successfully done (see Fig. 76). The left arrow or OK button can be pressed to exit commissioning and go back to the commissioning menu. Fig. 76. Commissioning successfully completed Each step of the commissioning procedure must be performed within 30 seconds after the page is displayed for the step.
7800 SERIES S7800A2142 KEYBOARD DISPLAY MODULE APPENDIX C: DIAGNOSTICS Burner Control Diagnostics Diagnostic information about the burner control module can be viewed on the display module (see Fig. 78). The information displayed is dependent on the burner control module. Only terminals and features that a burner control module includes are displayed.
7800 SERIES S7800A2142 KEYBOARD DISPLAY MODULE Annunciator Diagnostics Diagnostic information about the annunciator can be viewed on the display module when an annunciator is connected in the system (see Fig. 79). If an annunciator is not connected, this information is not accessible. The following information is displayed: • Annunciator status • T4-T22 terminal status – “ON” or “OFF” • Fault (“first out”) code • Software revision The assigned terminal names display for the T4-T22 terminals. Fig. 79.
7800 SERIES S7800A2142 KEYBOARD DISPLAY MODULE More diagnostic lines exist than can fit on the main body of the page so the up and down arrow buttons are used to scroll among the lines. The left arrow button is used to exit this page and return back to the Display setup menu. An additional selection line exists on the page to allow for LCD diagnostics to be initiated for checking the LCD hardware (see Fig. 81).
7800 SERIES S7800A2142 KEYBOARD DISPLAY MODULE APPENDIX D: ANNUNCIATOR TERMINAL MESSAGES Annunciator terminals can be named to the messages listed in the following table. See “Annunciator Setup” on page 34 for the procedure that performs this name assignment. This name assignment is intended to match the annunciator terminal with the installation purpose of the terminal.
7800 SERIES S7800A2142 KEYBOARD DISPLAY MODULE Table 7.
7800 SERIES S7800A2142 KEYBOARD DISPLAY MODULE APPENDIX E: MODBUS FUNCTION See “Appendix A: Display Setup” on page 28 for Setup. OPERATION The S7800 ModBusTM Data Feature enables terminal 1, 2 to Data + and Data -. Table 16 provides register mapping. It identifies the mapping of the 7800 SERIES parameters to ModBusTM registers. Function Codes Supported function codes of Modbus Protocol Reference Guide (PI-MBUS-300 Rev. J) are 3, 4, 6, 16, and 17. Function codes 3 and 4 are treated the same by the S7800.
7800 SERIES S7800A2142 KEYBOARD DISPLAY MODULE Table 15. Exception Codes. Exception Code Definition 55 Description 01 Illegal Function An illegal function as requested. Only 3, 4, 6 and 17 are supported. 02 Illegal Data Address Too many bytes requested, address is out of range, register is read only, or the number of address requested is past the last register. 03 Illegal Data Value The “Preset Data” from function code 6 is invalid/out of range.
7800 SERIES S7800A2142 KEYBOARD DISPLAY MODULE Device Address and Baud Rate Assign each device in the system a unique address by setting the MODBUS ADDRESS (see page 28). Only RTU communications with 1 Start Bit, 8 Data Bits, 1 Stop Bit and no, odd, or even parity is supported. NOTE: In Table 16: Line 1 and Line 2 refer to the two lines of text on the S7800 Keyboard Display Module. In Table 20: The String Code column references Table 21, String Codes.
7800 SERIES S7800A2142 KEYBOARD DISPLAY MODULE Table 16. ModBus™ Register Assignments.
7800 SERIES S7800A2142 KEYBOARD DISPLAY MODULE Table 16. ModBus™ Register Assignments. (Continued) Address (hex) 01B701B8 01BA Register (dec) Parameter Name 40440- Unused 40441 40443 Device Data Ready 01BB 40444 Read/ Write Format U32 U16 S7800 Device Compatibility with Current Software Revision U16 S7800 Software Revision Compatibility with Legacy Software Revisions. 01BC 40445 Modbus U32 Endian R/W U16 Notes Device data was properly received by S7800.
7800 SERIES S7800A2142 KEYBOARD DISPLAY MODULE Burner Control Type Codes The burner control type code indicates the exact model number of the burner control. See Table 18. Table 18. Burner Control Type Codes.
7800 SERIES S7800A2142 KEYBOARD DISPLAY MODULE Table 18. Burner Control Type Codes. CODE 203 204 205 206 207 208 209 210 299 DEVICE DESCRIPTION EC7850A EC7885A EC7890A EC7895A EC7895C EC7823A EC7840L EC7865 EC78xx Table 20. 7800 SERIES Sequence State Codes and Associated register code values.
7800 SERIES S7800A2142 KEYBOARD DISPLAY MODULE Table 20. 7800 SERIES Sequence State Codes and Associated register code values.
7800 SERIES S7800A2142 KEYBOARD DISPLAY MODULE Table 21. 7800 SERIES String codes. (Continued) Table 20. 7800 SERIES Sequence State Codes and Associated register code values.
7800 SERIES S7800A2142 KEYBOARD DISPLAY MODULE Table 21. 7800 SERIES String codes. (Continued) String Code Table 21. 7800 SERIES String codes.
7800 SERIES S7800A2142 KEYBOARD DISPLAY MODULE Table 21. 7800 SERIES String codes. (Continued) String Code Table 21. 7800 SERIES String codes.
7800 SERIES S7800A2142 KEYBOARD DISPLAY MODULE Table 22. 7800 SERIES Fault Codes. (Continued) Fault Code (Reg 40001) 22 Fault Message (NOTE: FAULT n: is not in the Fault and Strings Code) Fault String Code (Table 22) Table 22. 7800 SERIES Fault Codes.
7800 SERIES S7800A2142 KEYBOARD DISPLAY MODULE Table 22. 7800 SERIES Fault Codes. (Continued) Fault Code (Reg 40001) Fault String Code (Table 22) Fault Message (NOTE: FAULT n: is not in the Fault and Strings Code) Table 22. 7800 SERIES Fault Codes.
7800 SERIES S7800A2142 KEYBOARD DISPLAY MODULE Table 22. 7800 SERIES Fault Codes. (Continued) Fault Code (Reg 40001) Fault Message (NOTE: FAULT n: is not in the Fault and Strings Code) Fault String Code (Table 22) 7800 SERIES Burner Control Fault History Records Table 23 describes the registers that are part of a fault history record. To determine the actual register address for a parameter within the record, add the register offset to the start address of the record.
7800 SERIES S7800A2142 KEYBOARD DISPLAY MODULE For More Information The Honeywell Thermal Solutions family of products includes Honeywell Combustion Safety, Eclipse, Exothermics, Hauck, Kromschröder and Maxon. To learn more about our products, visit ThermalSolutions.honeywell.com or contact your Honeywell Sales Engineer. Honeywell Process Solutions Honeywell Thermal Solutions (HTS) 1250 West Sam Houston Parkway South Houston, TX 77042 ThermalSolutions.honeywell ® U.S.
