Hioki RM3544 - Page 113

8.3 Internal Circuitry
105
8
Use ISO_COM as the common pin for both input and output signals.
PNP Setting
Do not connect external power to pin 8.
PLC, etc.
PLC, etc.
Output
Input
Common
RM3544, RM3544-01
Common
Zener Voltage 30 V
Internally Isolated Common Signal Ground
* Isolate from the instrument protective ground.
Internally
isolated power