Siemens ST950 - CPU I;O Card

Mobility, Intelligent Traffic Systems
Sopers Lane, Poole, Dorset, BH17 7ER
Security classification
Unrestricted
Page
52 of 154
Version
7
Status
Issued
Last Editor
manpreet.jeerh
Date
January 2020
Document Name
ST950 ICM Handbook
Document No.
667/HE/45950/000
Copyright © Siemens plc 2020. All Rights Reserved. Mobility is a division of Siemens Plc
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.
Figure 22 – CPU I/O Card
Pin
Top Row
Bottom Row
1
Output 1 Common
Input 1
2
Connected to Pin 1
Input 2
3
Output 1 Normally Open
Input 3
4
Output 1 Normally Closed
Input 4
5
N.C.
Input 5
6
N.C.
Input 6
7
Output 2 Common
Input 7
8
Connected to Pin 7
Input 8
9
Output 2 Normally Open
Input 9
10
Output 2 Normally Closed
Input 10