Data Sheet for Product

16
Siemens
A6V12071353_en--_b
Smart Infrastructure
2021-12-15
Modbus communication objects
Description of communication objects
Read
Write
Object no.
Object
Address (Decimal)
Register Length
Read Only (RO) or Read/Write (R/W)
Function code (HEX) 0x03---Read Holding Registers 0x04---Read Input Registers 0x06---Write Single Register 0x10---Write Multiple Registers
Multi-Bytes Access Group
Special Process
Default
Data Type (Decimal)
1
Indoor unit On/Off
status
0001
1
RO
0x04
-
2
-
-
0: OFF
1: ON (Normal mode)
2: ECO
2
Current VRF mode
0002
1
RO
0x04
-
2
-
-
0: AUTO
1: COOL
2: HEAT
3: Dehumidification
4: FAN
3
Fan seed setting
status
0003
1
RO
0x04
-
2
-
-
0: AUTO
1: Fan speed 1
2: Fan speed 2
3: Fan speed 3
4: Fan speed 4
5: Fan speed 5
6: Fan speed 6
7: Fan speed 7
4
Room temperature
0004
1
RO
0x04
-
2
x50
-
-10...50 ℃
5
Active room
temperature
setpoint
0005
1
RO
0x04
-
2
x50
-
10...50 ℃
6
Alarm status
0006
1
RO
0x04
-
2
-
0
0: OK
1: Error
7
Indoor unit On/Off
status
0001
1
RO
0x03
-
2
-
-
0: OFF
1: ON (Normal mode)
2: ECO
8
Current VRF mode
0002
1
RO
0x03
-
2
-
-
0: AUTO
1: COOL
2: HEAT
3: Dehumidification
4: FAN
9
Fan seed setting
status
0003
1
RO
0x03
-
2
-
-
0: AUTO
1: Fan speed 1
2: Fan speed 2
3: Fan speed 3
4: Fan speed 4
5: Fan speed 5
6: Fan speed 6
7: Fan speed 7
10
Room temperature
0004
1
RO
0x03
-
2
x50
-
-10...50 ℃
11
Active room
temperature
setpoint
0005
1
RO
0x03
-
2
x50
-
10...50 ℃