
Document No. 553-632
February 2, 2007
TX-I/O Quick Start
This document provides wiring examples, grounding instructions, and basic
operating information for TX-I/O modules.
Table of Contents
Common Ground Requirement .......................................................................................2
Module Insertion Required for Proper Grounding..................................................2
Third Party Transformer Grounding.......................................................................2
MEC Service Box Grounding Modification.............................................................2
Symbols .............................................................................................................................3
I/O Row Orientation ..........................................................................................................3
I/O Module Assembly........................................................................................................4
Separating a Module from Its Terminal Base ........................................................5
I/O Module Part Numbers, Features, and Point Types..................................................6
Part Numbers and NEC Class – P1 Bus Interface Module,
TX-I/O Power Supply, and Bus Connection Module .............................6
Supply Terminal Connections................................................................................7
Configurable Points (Universal and Super Universal modules) ............................7
Digital Input Grounding Connections.....................................................................7
Digital Output Common Connections ....................................................................7
Class 1 and Class 2 Wiring Separation.................................................................7
Product Documentation ...................................................................................................7
Digital Input Wiring Examples.........................................................................................8
Latched or Pulsed Accumulator (NO and NC).......................................................8
Digital Output Wiring Examples......................................................................................9
Latched Contact (NO and NC)...............................................................................9
Pulsed Contact (NO and NC) ................................................................................9
Analog Input Wiring Examples......................................................................................10
Temperature and Resistance Sensors................................................................10
0-10 Vdc Sensors ................................................................................................10
2-Wire and 3-Wire Active Sensors.......................................................................11
Analog Output Wiring Examples...................................................................................11
P1 Bus Interface Module, TX-I/O Power Supply, and Bus Connection Module........12
Power and Communication Connections.............................................................12
Extending Communication ............................................................................12
LED Indicators......................................................................................................13
I/O Module LED States and Flash Patterns..................................................................14
LCD Symbol Chart ..........................................................................................................15
Inserting the Address Keys ...........................................................................................16
TX-I/O Start Up.................................................................................................................16
Rev. AA, February, 2007 Siemens Building Technologies, Inc.