B&R Industrial Automation GmbH Power Panel 65, User Manual

Page: 74 / 112

Interface modules • 4PP065.IF23-1
74 Power Panel 65 User's manual V2.21
3.5.5 RS232 (IF1) or RS485/RS422 (IF2) interface
Interface Pinout
IF1 IF2
Pin
RS232 RS485 RS422
1 Tx+/Rx+ Tx+
2 RxD
3 TxD
4 Rx+
5 GND
6 Rx-
7 RTS
8 CTS
RS232 or RS485/RS422 interface
5 1
9 6
9-pin male DSUB connector
9 Tx-/Rx- Tx-
Information:
The IF1 and IF2 interfaces can be used simultaneously when wired appropriately.
3.5.6 CAN bus interface (IF3)
Interface Pinout
Pin CAN bus
1 CAN_H CAN high
2
CAN⊥
CAN ground
3 CAN_L CAN low
4 SHLD Shield
CAN bus interface
1 2 3 4
4-pin male multipoint connector
3.5.7 Terminating resistors
Two switches are located on the back of the interface module that can be used to switch on a terminating resistor
for IF2 (RS485/RS422) and IF3 (CAN bus).
OFF ON OFF ON
IF2 (RS485/RS422) IF3 (CAN bus)
Interface Switch position Description
ON Terminating resistor enabled (150 Ω) IF2 (RS485/RS422)
OFF Terminating resistor disabled
ON Terminating resistor enabled (120 Ω) IF3 (CAN bus)
OFF Terminating resistor disabled