22
Modbus
Modbus RTU and Modbus TCP/IP are both standard.
Default Modbus TCP/IP IP: 192.168.2.1, Default Modbus RTU: Baud-57600, Data Length-8, Parity-Odd, Stop Bits-1.
Table 9 – Modbus Table
Types
Index
Size Variable Name
Data Type
Coil 0
1
HMI_START
Bool
Coil 1
1
SYSTEM_RUNNING
Bool
Coil 2
1
HMI_STOP
Bool
Coil 3
1
SYSTEM_STOPPING
Bool
Coil 4
1
COMPRESSORS_RUNNING
Bool
Coil 4
1
SYSTEM_NOT_RUNNING
Bool
Coil 5
1
PHASE_OK
Bool
Coil 10
1
CKT1_DEMAND_REQUEST Bool
Coil 11
1
CKT1_COMPRESSORS_RUNNING Bool
Coil 12
1
CKT2_DEMAND_REQUEST Bool
Coil 13
1
CKT2_COMPRESSORS_RUNNING Bool
Coil 20
1
AL_ALARMS_PRESENT
Bool
Coil 21
1
AL_GENERAL_ALARMS
Bool
Coil 22
1
AL_CRITICAL_ALARM
Bool
Coil 23
1
AL_PHASE_LOSS.Active
Bool
Coil 24
1
AL_FREEZESTAT.Active
Bool
Coil 25
1
AL_CKT1_FREEZESTAT.Active
Bool
Coil 26
1
AL_CKT2_FREEZESTAT.Active
Bool
Coil 27
1
AL_EVAP_FLOW.Active
Bool
Coil 28
1
AL_CKT1_EVAP_FLOW.Active
Bool
Coil 29
1
AL_CKT2_EVAP_FLOW.Active
Bool
Coil 30
1
AL_CKT1_RFRG_ALARM
Bool
Coil 31
1
AL_CKT2_RFRG_ALARM
Bool
Coil 32
1
AL_CKT1_CRITICAL_ALARM Bool
Coil 33
1
AL_CKT2_CRITICAL_ALARM Bool
Coil 34
1
AL_PROCESS_PUMP_OVLD.Active Bool
Coil 35
1
AL_STANDBY_PUMP_OVLD.Active
Bool
Coil 36
1
AL_CKT1_LPS.Active
Bool
Coil 37
1
AL_CKT2_LPS.Active
Bool
Coil 38
1
AL_CKT1_LLPS.Active
Bool
Coil 39
1
AL_CKT2_LLPS.Active
Bool
Coil 40
1
AL_CKT1_DISCHARGE_PX_SOFT_FAULT.Active Bool
Coil 41
1
AL_CKT2_DISCHARGE_PX_SOFT_FAULT.Active Bool
Coil 42
1
AL_CKT1_HPS.Active
Bool
Coil 43
1
AL_CKT2_HPS.Active
Bool
Coil 44
1
AL_COMP1A_STATUS_FAULT.Active
Bool
Coil 45
1
AL_COMP2A_STATUS_FAULT.Active
Bool
Coil 46
1
AL_COMP1B_STATUS_FAULT.Active
Bool
Coil 47
1
AL_COMP2B_STATUS_FAULT.Active
Bool
Coil 48
1
AL_HIGH_HIGH_RETURN_FLUID_TEMP.Active
Bool
Coil 49
1
AL_HIGH_HIGH_SUPPLY_FLUID_TEMP.Active
Bool
Coil 50
1
AL_LOW_LOW_SUPPLY_FLUID_TEMP.Active
Bool
Coil 51
1
AL_CKT1_EXCESSIVE_PUMP_DOWN_CYCLING.Active
Bool
Coil 52
1
AL_CKT1_PUMP_DOWN_FAULT.Active Bool
Coil 53
1
AL_CKT2_EXCESSIVE_PUMP_DOWN_CYCLING.Active
Bool
Coil 54
1
AL_CKT2_PUMP_DOWN_FAULT.Active Bool
Coil 55
1
HIGH_SUPPLY_WATER_TEMP_WARNING
Bool
Coil 56
1
LOW_SUPPLY_WATER_TEMP_WARNING Bool
Coil 57
1
HIGH_RETURN_WATER_TEMP_WARNING
Bool
Summary of Contents for Accuchiller KSE
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