Infinite Peripherals SCOM-100 - Manual (Page 39)

SCOM-100, User guide 39
8.6.2 GE-AI-4 analog input expansion
The input range of each analog input can be selected between 0-1V (DSW OFF) and
0-20mA (DSW ON) by means of the quad dip switch on the rear panel.
An internal current source is available (EX+, EX- terminals) for exciting PT100 sensors
with 2 mA. The module address settings can be derived from the following table (Dip
switch number 1 is not used):
Dip switch settings Module number (m)
1
2
3
4
Input range selection for AI 1x
OFF: 0-1 V
ON: 0-20/4-20 mA
Module address