Infinite-peripherals SCOM-100 Manuel d'utilisateur télécharger pdf (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)

Input range selection for AI 1x

OFF: 0-1 V

ON: 0-20/4-20 mA

Module address

1 2 ... 34 35 36 37 38 39 40

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Infinite-peripherals SCOM-100 Manuel d'utilisateur Page 39