Siemens G120P Technical Manual page 22

Product information
4
Components
Connector for the
RS485 interface
RS485 interface
Figure 6:
connector
22 | 98
Siemens
Building Technologies
Item Designation
8
Digital outputs
9
Terminal strip
10
Terminal designation
The fieldbus interfaces are located on the bottom of the Control Unit.
Item Designation
Pin 1
0 V, reference potential
Pin 2
RS485P, receive and transmit (+)
Pin 3
RS485N, receive and transmit (-)
Pin 4
Cable shield
Pin 5
Not connected
6
Switch for bus terminating resistor
Details
Chapter Wiring terminal strips
[➙ 41]
A5E36496664A_d
2016-03-17