SIGMATEK ETT 775, Руководство по эксплуатации

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ETT 775 BUILD-IN TOUCH TERMINAL
Page 12 15.07.2020
X3: COM 1 (D-Sub)
X4 CAN 1 (6-pin Weidmüller)
X5: COM 3 (6-pin Weidmüller)
The RS485/Modbus interface is protected against external voltages
of ±30 V DC, there is no function
for an error voltage!
The termination is made by a 120R resistor mounted on the
X5 connector between theRS485/Modbus-A and RS485/Modbus-B lines.
Pin Function: RS232
1 DCD
2 Rx
3 Tx
4 DTR
5 GND
6 DSR
7 RTS
8 CTS
9 RI
Pin Function
1 CAN A (CAN LOW)
2 CAN B (HIGH)
3 CAN A (CAN LOW)
4 CAN B (HIGH)
5 CAN GND
6 n.c.
Pin RS485/ModBus Function
1 RS485/Modbus-A
2 RS485/Modbus-B
3 RS485/Modbus-A
4 RS485/Modbus-B
5 RS485/Modbus GND
6 n.c.