Rs232; Rs422; Fig. 8 Rs232 Interface Pin Numbering; Fig. 9 Rs422 Interface Pin Numbering - Beckhoff CP37 1600 Series Manual

Product overview
3.3.2

RS232

The optional RS232 interface includes an M12 socket according to IP65. The interface provides an
asynchronous, serial communication method defined in the RS232 standard.
12 6 11
7 5
8 4
9 3
1 2
10
Fig. 8: RS232 interface pin numbering
Table 8: RS232 pin assignment
Pin
1
2
3
4
5
6
7
8
9
3.3.3

RS422

The optional RS422 serial interface includes an electrically isolated M12 IP65 socket for serial data
transmission.
The channel features overvoltage protection. If an overvoltage occurs, the channel is switched off.
11 12 6
7
5
8
4
3 9
2 1
10
Fig. 9: RS422 interface pin numbering
Table 9: RS422 pin assignment
Pin
1
2
3
4
5
6
7
8
9
On delivery the interface is configured as a full duplex endpoint as standard:
18
Signal
DCD
RxD
TxD
DTR
GND
DSR
RTS
CTS
RI
Signal
-
TxD +
RxD +
-
GND
VCC
TxD -
RxD -
-
Version: 1.9
Type
Signal in
Signal out
Ground
Signal out
Signal in
Signal in
Type
-
Data-Out +
Data-In +
-
Ground
VCC
Data-Out -
Data-In -
-
Description
Carrier recognized
Receive Data
Transmit Data
Data receiver ready
Ground
Ready for operation
Request to Send
Clear to Send
Ring Indicator
Description
-
Transmit 422
Receive 422
-
Ground
+5 V
Transmit 422
Receive 422
-
CP37xx-1600