LG PAHCMR000 - Control Functions

34
PAHCMR000 AHU Communication Kit Installation Manual
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Control Functions
AHU COMMUNICATIONS KIT INSTALLATION
BMS Protocol - PAHCMR000 Modbus Points
Modbus Points - Function Codes
Function Cod
e
Notes:
Register Description
Value explanation
1
2
3
4
5
6
00001
Operating On / Off
●
-
-
-
●
-
0: Off / 1: On
00002
Reserved
-
-
-
-
-
-
-
00003
All Button Lock
●
-
-
-
●
-
0: Unlock / 1: Lock
00004
Mode Lock
●
-
-
-
●
-
0: Unlock / 1: Lock
00005
Fan Speed Lock
●
-
-
-
●
-
0: Unlock / 1: Lock
00006
Target Temp. Lock
●
-
-
-
●
-
0: Unlock / 1: Lock
00007
Error
●
-
-
-
-
-
0: Normal / 1: Error
00008
Reserved
-
-
-
-
-
-
-
10001
Comp Status
-
●
-
-
-
-
0: Off / 1: On
10002
Defrost Status
-
●
-
-
-
-
0: Normal / 1: Defrost
10003
Oil Return
-
●
-
-
-
-
0: Normal / 1: Oil Return
10004
Reserved
-
-
-
-
-
-
-
10005
Reserved
-
-
-
-
-
-
-
10006
Reserved
-
-
-
-
-
-
-
10007
Reserved
-
-
-
-
-
-
-
10008
Reserved
-
-
-
-
-
-
-
30001
Error Code
-
-
-
●
-
-
0~255
30002
RA Temp.
-
-
-
●
-
-
-50 ~ 100°C (x10)
30003
Reserved
-
-
-
-
-
-
-
30004
Pipe In Temp.
-
-
-
●
-
-
-50 ~ 100°C (x10)
30005
Pipe Out Temp.
-
-
-
●
-
-
-50 ~ 100°C (x10)
30006
Capacity
-
-
-
●
-
-
0~255 [kBtu]
30007
Reserved
-
-
-
-
-
-
-
30008
Reserved
-
-
-
-
-
-
-
40001
Operation Mode
-
-
●
-
-
●
0: Cooling / 2: Fan / 4: Heating
40002
Fan Speed
-
-
●
-
-
●
1: Low / 2: Middle / 3: High
40003
Target Temp.
-
-
●
-
-
●
-10 ~ 100°C (x10)
40004
Target Temp. Upper Range
-
-
●
-
-
●
15.6 ~ 30°C (×10, 1.0°C )
40005
Target Temp. Lower Range
-
-
●
-
-
●
(×10, 1.0°C )
40006
Reserved
-
-
-
-
-
-
-
40007
Reserved
-
-
-
-
-
-
-
40008
Reserved
-
-
-
-
-
-
-
40009
Reserved
-
-
-
-
-
-
-
40010
Reserved
-
-
-
-
-
-
-
Code
Description
Register
0x01
Read Coils
00001~00008
0x02
Read Discrete inputs
10001~10008
0x03
Read Holding Registers
40001~40010
0x04
Read Input Registers
30001~30008
0x05
Write Single Coil
00001~00008
0x06
Write Single Holding Register
40001~40010
1. Configuration is 9600bps, parity none, and stop bit 1.
2. To change slave address, refer to main module address setting.
15.6 ~ 30°C
Modbus Points - Memory Map