6.2.1 I/O extension module POS9..
Slave address: 41
Note
The slave address is already set in the extension module. It cannot be changed.
BA-object / device register assignment
Actual I/O values BACnet object R/W Note Register
Address
Function code
Differential pressure P21 DiffPP21
AI,110
R -3000…3000 Pa 5 03: Read holding
Pooling=4s
Differential pressure P22 DiffPP22
AI,113
R -3000…3000 Pa 7 03: Read holding
Pooling=4s
Temperature input X21 TInX21
AI,112
R -40…80°C 9 03: Read holding
Pooling=16s
Analog input X22 AInX22
AI,111
R 0…100.0% 13 03: Read holding
Pooling=16s
Relay output Q21 RlyOutQ21
BO,100
R/W Inactive / Active 24 06: Write single
HB=20s / on change
Analog output A21 AOutA21
AO,139
R/W 0…100.0% 21 HB=20s / COV=2%
I/O reliability & control BACnet object R/W Note Register
address
Function code
Reliability of differential pressure P21 DiffPP21Rlb
MVAL,624
R BACnet reliability
definitions
4 03: Read holding
Pooling=16s
Reliability of differential pressure P22 DiffPP22Rlb
MVAL,625
R BACnet reliability
definitions
6 03: Read holding
Pooling=16s
Reliability of temperature input X21 TInX21Rlb
MVAL,626
R BACnet reliability
definitions
8 03: Read holding
Pooling=16s
Reliability of analog input X22 AInX22Rlb
MVAL,629
R BACnet reliability
definitions
12 03: Read holding
Pooling=16s
Device mode DevMod
MVAL,627
W Standby / Normal
operation
3 06: Write single
HB=20s / on change
Setting BACnet object R/W Note Register
address
Function code
Polling / heartbeat / COV
Signal type of input X21 X21InSigTyp
MVAL,630
W None / NTC10k 102 06: Write single
On change
Signal type of input X22 X22InSigTyp
MVAL,631
W None / 0…10V 103 06: Write single
On change
Signal type of output A21 A21OutSigTyp
MVAL,632
W None / 0…10V / PWM
(default=0…10V)
104 06: Write single
On change
PWM frequency output A21 A21OutPwmFq
PINTVAL,574
W 500…3000Hz
(default=2500Hz)
105 06: Write single
On change
For additional information, refer to the POS9.1515 datasheet, see
“Documentation and short description of compatible devices [➙12]“.
Engineering of communicative devices
Modbus components
6
A6V10733786_en_c 147 | 170
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