Data Sheet for Product
13
Siemens
A6V10733750_en--_d
Smart Infrastructure
2020-07-22
The following wiring diagram only serves as a reference of AHU applications. It does not fully match with a real
onsite application.
Wiring diagram
* The RS485 bus requires terminating resistances
on the first and the last device on the network.
Modbus TCP
Modbus RTU
Touch Panel
0-10V output
G0
G
G0
G
0-10V input
PC
G
G0 U
120
4-20 mA input
M
GG0
MY
DO
Wh
DOC
Pulse input
NTC10K
NI1000
N1
N2
N3
K1
S3
120
S2
S1
K3
K2
Legend:
N1:Water valve output
N2:Air humidity
N3:4-20 mA pressure sensor
N4:Energy meter
S1:Fan fault
S2:Fan status
S3:Fan Auto/Manual
K1:Fan On/Off (intermediate relay)
K2:Fresh air damper (intermediate relay)
K3:Alarm output (intermediate relay)
T1:Supply air temperature
T2:Return air temperature
T2
T1
N4
2A
24V AC/DC
A6V10733750A01