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Raypak Modbus Register Assignments
Function FunctionFunction
Type 2 4 3,6 Description
R/W 30001 40001 Setpoint Day Setpoint (Desired water temp @70F)
R/W 30002 40002 Nitesetback Night Setback (Desired water temp @ 70F)
R/W 30003 40003 Ratio Out 1-200 = 0.1 - 20.0 in 0.1 increments
R/W 30004 40004 Throttling Delta T of all boilers in system (Normally 20 / # boilers)
R/W 30005 40005 Modulating Step (%) min 5% steps
R/W 30006 40006 Wait State Time (Sec)
R/W 30007 40007 Outdoor Cut off Temperature (O/C)
R/W 30008 40008 Control Band (degrees F Tolerance from TAR) (C/B)
R/W 30009 40009 Lead Boiler Number (1 to Number of Boilers)
R/W 30010 40010 Number of Boilers
R/W 30011 40011 TP - Boiler Pump Delay (Min) Boiler #1
R/W 30012 40012 TP - Boiler Pump Delay (Min) Boiler #2
R/W 30013 40013 TP- Boiler Pump Delay (Min) Boiler #3
R/W 30014 40014 TP- Boiler Pump Delay (Min) Boiler #4
R/W 30015 40015 TP- Boiler Pump Delay (Min) Boiler #5
R/W 30016 40016 TP- Boiler Pump Delay (Min) Boiler #6
R/W 30017 40017 TP- Boiler Pump Delay (Min) Boiler #7
R/W 30018 40018 TP- Boiler Pump Delay (Min) Boiler #8
R/W 30019 40019 TS - Ignition Time (Sec) Boiler #1
R/W 30020 40020 TS - Ignition Time (Sec) Boiler #2
R/W 30021 40021 TS - Ignition Time (Sec) Boiler #3
R/W 30022 40022 TS - Ignition Time (Sec) Boiler #4
R/W 30023 40023 TS - Ignition Time (Sec) Boiler #5
R/W 30024 40024 TS - Ignition Time (Sec) Boiler #6
R/W 30025 40025 TS - Ignition Time (Sec) Boiler #7
R/W 30026 40026 TS - Ignition Time (Sec) Boiler #8
R/W 30027 40027 Time - Hrs
R/W 30028 40028 Time - Min
R/W 30029 40029 Time - DWK
R/W 30030 40030 Lead Change Hours
R 10001 30031 40031 Bit 0 = Night Setback on Night Setback
R 10017 30032 40032 Bit 0 = Fault Status )1=system fault) Controller LED Status
R 10018 Bit 1 = Call Out Request (1 = Yes) Controller LED Status
R 30033 40033 Outdoor Temperature + 35
R 30034 40034 Water Temperature + 35
R 30035 40035 Target Temperature (TAR)
R 30036 40036 Valve Position (0-100%) - Boiler #1
R 30037 40037 Valve Position (0-100%) - Boiler #2
R 30038 40038 Valve Position (0-100%) - Boiler #3
R 30039 40039 Valve Position (0-100%) - Boiler #4
R 30040 40040 Valve Position (0-100%) - Boiler #5
R 30041 40041 Valve Position (0-100%) - Boiler #6
R 30042 40042 Valve Position (0-100%) - Boiler #7
R 30043 40043 Valve Position (0-100%) - Boiler #8
30044 40044 Boiler #1 Status Word Boiler #1
bit
R 10209 0 Boiler Not On Line (0 = Normal, 1 = Alarm)
R 10210 1 Boiler Operation (0 = Firing, 1 = Ready)
R 10211 2 Low Water Cutoff (0 = Normal, 1 = Alarm)
R 10212 3 Low Pressure Water (0 = Normal, 1 = Alarm)
R 10213 4 Low Pressure Gas (0 = Normal, 1 = Alarm)
R 10214 5 High Pressure Gas (0 = Normal, 1 = Alarm)