
Issue 1.3 3
Table of contents
1About this manual ...........................................................................................5
1.1 Target group.................................................................................................. 6
1.2 Notations....................................................................................................... 6
1.3 Used symbols................................................................................................ 7
2Introduction .....................................................................................................8
3Scope of delivery.............................................................................................8
4Safety instructions ..........................................................................................9
4.1 Proper use .................................................................................................... 9
4.2 Special safety instructions............................................................................. 9
5System requirements....................................................................................10
5.1 Hardware .................................................................................................... 10
5.2 Software...................................................................................................... 10
6Mounting, Connecting, Dismounting...........................................................10
6.1 Mounting ..................................................................................................... 10
6.2 Connecting...................................................................................................11
6.3 Dismounting .................................................................................................11
7Device description ........................................................................................12
7.1 Device views ............................................................................................... 12
7.2 Indicator elements....................................................................................... 13
7.2.1 Operating status L1 … L4............................................................................ 13
7.2.2 Status of digital outputs L10 … L25............................................................. 13
7.3 Digital outputs ............................................................................................. 14
7.3.1 Connection diagram / Pin assignment ......................................................... 14
7.3.2 Circuit design .............................................................................................. 15
7.3.3 Output channel as P switch ......................................................................... 16
7.3.4 Output channel as N switch......................................................................... 16
7.3.5 Output channel with external diodes............................................................ 17
7.4 Connectors.................................................................................................. 18
7.4.1 Grounding screw X29.................................................................................. 18
8Protective and monitoring functions...........................................................19
8.1 Physical protective functions of the hardware.............................................. 19
8.1.1 Shorted load protection ............................................................................... 19
8.1.2 Over temperature protection........................................................................ 19
8.1.3 Overcurrent protection................................................................................. 19
8.1.4 Toleration of capacitive and PTC loads........................................................ 19
8.1.5 Toleration of inductive loads ........................................................................ 20
8.1.6 Overvoltage protection ................................................................................ 20
8.1.7 Reverse current and polarity reversal protection ......................................... 20
8.1.8 Fire protection ............................................................................................. 20
8.2 Monitoring functions / Error states............................................................... 21
8.2.1 Shorted switch............................................................................................. 21
8.2.2 Broken line .................................................................................................. 21