Introduction 1 – 2 Advant Controller AC 31 / Issued: 01.99
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1.2 General setup rules
An AC31 system always includes an AC31 basic unit. There are three types of basic units:
- The 40 series basic units with a local inputs/outputs extensions interface.
- The 50 series basic units with a local inputs/outputs extensions interface and a CS31 bus in-
terface for remote extensions.
- The 90 series basic units, with a CS31 bus interface for remote extensions.
Each basic unit incorporates a specific number of digital inputs/outputs and some of the units
in the 90 series also feature analog inputs/outputs.
Depending on the basic unit, it is possible to increase the number of inputs/outputs and add
input/output extensions.
1.2.1 Basic units with central extensions option
With the 40 and 50 series, it is possible to increase the number of inputs/outputs of the basic
unit by adding up to 6 local extension units of either type, digital or analog (see Figure 1).
Connection is done via integrated flat cables.
07KR51
or
07CT41
XI16E1 XO08R1 XC08L1 XM06B5
A maximum of 6 digital or analog central extensions
Figure 1: Basic unit with extension units on the local interface for input/output units
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