Cpu I/O Card - Siemens ST950 Handbook

4.10

CPU I/O Card

The CPU I/O card is designed to provide an 'integrated' I/O capability for 'smaller'
controllers. The card is mounted onto the CPU Card as shown below and provides
24 inputs and 4 changeover outputs. All Inputs and outputs are TR2523:2005
compatible. LEDs and GSPI ports are as described above for standard IO cards
and the CPU IO card has a fixed address: 1.
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Figure 22 – CPU I/O Card
Pin Top Row
1 Output 1 Common
2 Connected to Pin 1
3 Output 1 Normally Open
4 Output 1 Normally Closed Input 4
5 N.C.
6 N.C.
7 Output 2 Common
8 Connected to Pin 7
9 Output 2 Normally Open
10 Output 2 Normally Closed Input 10
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manpreet.jeerh
ST950 ICM Handbook
Mobility, Intelligent Traffic Systems
Sopers Lane, Poole, Dorset, BH17 7ER
Bottom Row
Input 1
Input 2
Input 3
Input 5
Input 6
Input 7
Input 8
Input 9
Page
Status
Date
Document No.
Mobility is a division of Siemens Plc
52 of 154
Issued
January 2020
667/HE/45950/000