Schmidt SC Series - Connecting Multiple SC-PM with the RS-422 Interface

8
2.4.3 Connecting multiple SC-PM with the RS-422 interface
GND
Online
Sensor
Abschlusswiderstände 2 x 240 W
Earth
GND
+ 15 - 24 V DC
+ 15 - 24 V DC
Online
Sensor
Unit 1
SC-PM
Unit max. 24
SC-PM
Further units
RS-422 / RS-232 converter
PC
The two 2 x 240 W terminating resistors must always
be installed in the terminal block of the SC-PM-422.