Operating Instructions
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Siemens TX-I/O™ Module system – Functions and operation CM110561en_08
Building Technologies Contents 2018-10-25
Contents
1 Introduction ................................................................................................. 3
1.1 Revision history ............................................................................................. 3
1.2 Key target groups .......................................................................................... 3
1.3 Contents and validity of this manual ............................................................. 3
1.4 Other applicable documents ......................................................................... 3
1.5 Before you start ............................................................................................. 4
1.6 TX-IO™ terms and definitions ....................................................................... 5
1.7 Overview of TX-I/O™ functions ..................................................................... 6
2 Indicators and operator controls ............................................................... 7
2.1 Overview (example: super universal module) ............................................... 7
2.2 LED indicators ............................................................................................... 7
2.2.1 Module status LEDs ................................................................... 7
2.2.2 I/O status LEDs .......................................................................... 8
2.2.3 LCD display ................................................................................ 8
2.3 Local override ................................................................................................ 9
2.3.1 Override buttons ......................................................................... 9
2.3.2 Override status LED ................................................................. 10
2.3.3 Priority ............................................................................... 10
2.4 Address key ................................................................................................ 10
2.5 Function of the modules within the I/O subsystem ...................................... 10
2.6 Fault messages ........................................................................................... 11
3 Digital input functions .............................................................................. 12
3.1 Status indication, maintained contact (BI NO, BI NC / D20, D20R) ........... 12
3.2 Status indication, pulse contact (BI Pulse NO / D20S) .............................. 14
3.3 Status indication, pulse contact (P-Bus-BIM) (D20S, realized with BI Static)15
3.4 Pushbutton input (BI Push NO, BI Push NC) .............................................. 17
3.5 Multistate input maintained contact (MI Switch) .......................................... 20
3.6 Counting, pulse contact (CI Mech (10/25 Hz), CI El (100Hz) / C) ............... 22
4 Analog input functions ............................................................................. 24
4.1 Measurement .............................................................................................. 24
5 Digital output functions ............................................................................ 26
5.1 General information on the digital outputs .................................................. 26
5.2 Maintained contact, switchover (BO Relay NO / NC 250V / Q250) ............ 29
5.3 Maintained contact, triac (BO Triac NO / NC) ............................................. 31
5.4 Maintained contact, bistable (BO Bistable NO / NC) ................................... 32
5.5 Pulse, on/off (BO Pulse On-Off / Q250-P250A-P) ..................................... 34
5.6 Pulse (BO Pulse) ......................................................................................... 36
5.7 Multistate maintained contact (MO Steps / Q-Mx) ..................................... 37
5.8 Multistate pulse (MO Pulse / Q250-Px) ....................................................... 40
5.9 Three-position control signal (BO 3-Pos Relay, BO-3-Pos Triac / Y250T)) 42
5.10 PWM Pulse width modulation (BO PWM, with triac) ................................... 45
5.11 Blinds control (BO Blinds Relay) ................................................................. 47
6 Analog output functions ........................................................................... 50
6.1 Proportional control signal ........................................................................... 50
7 Default functions, disabling function ...................................................... 52
7.1 Null function ................................................................................................ 52
7.2 Default functions ......................................................................................... 52
8 Table of the parameters that can be set (example: Desigo / CFC) ....... 54