1.3 Connecting
1.3.1 Pin assignment of the interfaces
The pins of the component interfaces are assigned as specified in the tables below. Any
deviations are indicated at the relevant point.
Signal type:
I Input
O Output
B Bidirectional (inputs/outputs)
V Power supply
- Ground (reference potential) or N.C. (not connected)
Power supply interface
Connector type: Terminal block, 3-pin plug connector
Max. cable length: 10 m
Table 1-4 Assignment of the power supply interface
Pin Name Type Meaning
1 P24 (+) - 24 VDC potential (20.4 to 28.8 VDC)
2 M24 (-)
VI
Ground 24 V
3 SHIELD (PE) Shield potential
Serial interface COM1
9-pin sub-D connector
Table 1-5 Assignment of the serial interface COM1 (V.24/RS232)
Connector Pin Name Type Remark
1 DCD (M5)
I
Receive signal level (carrier)
2 RxD (D2) Serial receive data
3 TxD (D1)
O
Serial transmit data
4 DTR (S1) Data terminal ready
5 GND (E2) - Ground (reference potential)
6 DSR (M1) I Data Set Ready
7 RTS (S2) O Request To Send
8 CTS (M2)
I
Clear To Send
9 RI (M3) Incoming call
General information and networking
1.3 Connecting
Operator panel front: OP 012
22 Manual, 09/2016, A5E36371591B
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