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Siemens TX-I/O™ Module system – Functions and operation CM110561en_08
Building Technologies Introduction 2018-10-25
1 Introduction
1.1 Revision history
• Section 2.6, 4.1 Correction for PT100 4-wire
• Detail information concerning MO Steps (multistate maintained contact)
02.2012, Rev. _06 • New modules with new functions
• New signal types designations (for a comparison between signal types of different
building automation and control systems see N8170)
• Described all functions of the TX-I/O modules, even if not supported by all building
automation and control systems
07.2010, Rev. _05 • New: Section 5.3 Maintained contact, bistable
• Section 5.1 Correction concerning fault response
• As a rule, all information depending on an individual building automation and
control system was moved to document CM110562 (support of signal types, TX-
I/O functions, resolution, etc.)
04.2009, Rev. _04 Section 1.5: Intranet address
Section 4.1: Note on open circuit detection with U10
Added Version 4 functions
01.2008, Rev. _02 Section 5.1: Note on 4QD-M2
Section 5.9: Note on synchronization
1.2 Key target groups
• Project managers
• Consulting engineers
• Service engineers
• Control panel manufacturers
1.3 Contents and validity of this manual
This manual describes all functions available in conjunction with the TX-I/O modules.
The description is limited to modules and field devices.
A specific building automation and control system may not support all functions
described hereafter.
Configuration and parameter-setting for each building automation and control system is
described in the respective online help.
1.4 Other applicable documents
TX-I/O™ Range overview data sheet
TX-I/O™ Module data sheets
TX-I/O™ Power supply module / bus connection module data sheet
P-bus bus Interface module data sheet
TX-I/O™ Engineering and installation guide
Replacement of legacy modules
Note!