Procon A1M - Input Registers

55
12.2. Input registers
Input Registers are read using function code 04.
Input Register (Analogue Input) Applicable Unit Type
Register Name Addr
Modicon
Address
Details
FTC4 FTC5
CAHV
master
CAHV
slave
CRHV
master
CRHV
slave
QAHV
master
EAHV
master
EAHV
slave
Fault/Error Code (hex) 1 30002
0x8000 = No error
0x6999 = Bad communication with unit
(Refer to indoor unit documentation for description
of other fault code values)
9 9 9 9 9 9
MelcoBEMS MINI (A1M)
Firmware Version
3 30004 MelcoBEMS MINI (A1M) Firmware Version
9 9 9 9 9 9 9 9 9
Modbus Comms Counter 5 30006
Value of a counter which increments upon every
valid Modbus command received. Value will
automatically reset to zero when value exceeds
65535.
9 9 9 9 9 9 9 9 9
Fault Code (decimal) 8 30009
8000 = No error
6999 = Bad communication between A1M and unit
(Refer to unit documentation for description of other
fault code values)
9 9 9 9 9 9
System Type Detected 9 30010
0 = ATA unit connected
1 = ATW system connected
2 = Lossnay system connected
255 = Undetermined (no unit detected yet)
9 9 9 9 9 9 9 9 9
Own Refrigerant Address 25 30026 0 … 32
9 9 9 9 9 9 9 9 9
Defrost 26 30027
0 = Normal
1 = Standby
2 = Defrost
3 = Waiting Restart
9 9 9 9 9 9 9
Residual Heat Removal 27 30028
0 = Normal
1 = Prepared
2 = Residual Heat Removal
9 9
Refrigerant Error Info 28 30029
0 = Normal
1 = Error (System)
2 = Error (Startup)
3 = Maintenance Error
9 9
9
#2
9
#2
9
#2
9