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.