Rs485; Fig. 10 Cp37Xx-1600_Rs485 Interface Pin Numbering; Table 9 Rs422 Standard Configuration; Table 10 Rs485 Pin Assignment - Beckhoff CP37-1600 Series Manual

Table 9: RS422 standard configuration
Function
Echo
Auto send
Always send
Auto receive
Always receive
Termination
3.3.4

RS485

The optional RS485 serial interface includes an electrically isolated M12 IP65 socket for high-speed serial
data transmission.
The channel features overvoltage protection. If an overvoltage occurs, the channel is switched off.
11 12 6
7
5
4 8
3
9
2 1
10
Fig. 10: CP37xx-1600_RS485 interface pin numbering
Table 10: RS485 pin assignment
Pin
1
2
3
4
5
6
7
8
9
On delivery the interface is configured as a half-duplex endpoint without echo as standard:
Table 11: RS485 standard configuration
Function
Echo
Auto send
Always send
Auto receive
Always receive
Termination
CP37xx-1600
Signal
-
TxD +
RxD +
-
GND
VCC
TxD-
RxD-
-
Version: 1.1
Status
on
off
on
off
on
on
Type
-
Data-Out +
Data-In +
-
Ground
VCC
Data-Out -
Data-In -
-
Status
off
on
off
on
off
on
Product overview
Description
-
Transmit 485
Receive 485
-
Ground
+5 V
Transmit 485
Receive 485
-
17