Instruction Manual PUC 28
33
6.3 Assignment of the RS232 connector
The assignment of the RS 232 connection corresponds to the assignment specified by the EIA
(Electronic Industries Alliance):
9-pole D-SUB-jack (female)
(top view from outside):
5-pole M12-jack (female, A-encoded)
(top view from outside):
The RS232 interface of the PUC 28 is available in the following variants:
1) PUC 28 variants with 9-pole D-SUB-jack (female) directly integrated in the housing (only for
wall thicknesses up to 5mm):
Pin No.
Signal
Description
2
TxD
Sending line
3
RxD
Receiving line
5
GND
Ground
2) PUC 28 variants with 9-pole D-SUB-jack (female) at a flying leads cable:
Pin No.
Signal
Description
2
TxD
Sending line
3
RxD
Receiving line
5
GND
Ground
3) PUC 28 variants with 5-pole M12-jack (female, A-encoded) at a flying leads cable:
Stift Nr.
Signal
Bedeutung
2
TxD
Sending line
3
GND
Ground
4
RxD
Receiving line
Table 20: Pin assignment of the RS232 connector
