Lenze I/O system 1000 System Manual - Manual (Page 226)

Product description
I/O compound modules − communication
RS485 interface − EPM−S650
3
l
226 EDSIO1000 EN 7.0
Terminals
Module terminals, spring terminals 1
View Designation Explanation Terminal data
2 6
3 7
4 8
1 5 1 5
4 8
1
TxD−P (B) output (transmit data);
transmitted data RS422
10 mm
0.08 ... 1.5 mm²
(AWG 28 ... 16)
2
RxD−P (B) input; received data
RS422
TxD/RxD−P (B) output/input;
transmitted/received data RS485
3
RTS output (request to send)
RS485
RTS = "1": module ready to
transmit
RTS = "0": module is not
transmitting
4
TERM; terminating resistor
A bridge between the two TERM
connections activates a
terminating resistor of 120
Wbetween terminal 2 and 6 on
the receiver side.
5
TxD−N (A) output (transmit data);
transmitted data RS422
6
RxD−N (A) input; received data
RS422
TxD/RxD−N (A) output/input;
transmitted/received data RS485
7
GND_ISO Signal Ground;
Signal zero reference point
(isolated)
SLIO002 8 TERM; terminating resistor