38
BMS PROTOCOL
ENGLISH
Modbus points of PAHCMR000 (Return air temperature control)
Function Code
Memory Map
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
Register
Description
Function Code
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.
-
-
-
•
-
-
-50.0 °C~100.0 °C (x10)
30003
Reserved
-
-
-
-
-
-
-
30004
Pipe In Temp.
-
-
-
•
-
-
-50.0 °C~100.0 °C (x10)
30005
Pipe Out Temp.
-
-
-
•
-
-
-50.0 °C~100.0 °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.
-
-
•
-
-
•
-10.0 °C~100.0 °C (x10)
40004
Target Temp. Upper Range
-
-
•
-
-
•
16.0 °C~30.0 °C (x10, 1 °C)
40005
Target Temp. Lower Range
-
-
•
-
-
•
16.0 °C~30.0 °C (x10, 1°C)
40006
Reserved
-
-
-
-
-
-
-
40007
Reserved
-
-
-
-
-
-
-
40008
Reserved
-
-
-
-
-
-
-
40009
Reserved
-
-
-
-
-
-
-
40010
Reserved
-
-
-
-
-
-
-
NOTE
• Configuration is that the baud rate is 9600bps, parity is none and stop bit is 1.
• To change the slave address, please see Chapter8. Main module Address Setting).
Summary of Contents for PAHCMR000
Page 14: ...14 RETURN AIR TEMPERATURE CONTROL PAHCMR000 ENGLISH Electric Wiring Work PAHCMR000 ...
Page 46: ...46 ENGLISH ...
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