
WAGO-I/O-SYSTEM 750 Table of Contents 3
753-649 M-Bus Master Module
Manual
Version 1.1.2
Table of Contents
1Notes about this Documentation ..............................................................5
1.1 Validity of this Documentation..................................................................5
1.2 Copyright..................................................................................................5
1.3 Symbols ...................................................................................................6
1.4 Number Notation......................................................................................8
1.5 Font Conventions.....................................................................................8
2Important Notes ..........................................................................................9
2.1 Legal Bases .............................................................................................9
2.1.1 Subject to Changes.............................................................................9
2.1.2 Personnel Qualifications......................................................................9
2.1.3 Use of the 750 Series in Compliance with Underlying Provisions....... 9
2.1.4 Technical Condition of Specified Devices .........................................10
2.2 Safety Advice (Precautions)...................................................................11
3Device Description ...................................................................................14
3.1 View .......................................................................................................16
3.2 Connectors.............................................................................................17
3.2.1 Data Contacts/Local Bus...................................................................17
3.2.2 Power Jumper Contacts/Field Supply ...............................................18
3.2.3 CAGE CLAMP®Connectors..............................................................19
3.3 Display Elements ...................................................................................20
3.4 Operating Elements ...............................................................................21
3.5 Schematic Diagram................................................................................21
3.6 Overcurrent Shutdown ...........................................................................22
3.7 Technical Data.......................................................................................23
3.7.1 Device Data.......................................................................................23
3.7.2 Power Supply ....................................................................................23
3.7.3 Communication .................................................................................24
3.7.4 Connection Type ...............................................................................24
3.7.5 Climatic Environmental Conditions....................................................25
3.8 Approvals ...............................................................................................26
3.9 Standards and Guidelines......................................................................27
4Process Image ..........................................................................................28
5Mounting ...................................................................................................28
5.1 Mounting Sequence ...............................................................................28
5.2 Inserting and Removing Devices ...........................................................29
5.2.1 Inserting the I/O Module ....................................................................29
5.2.2 Removing the I/O Module..................................................................30
5.3 I/O Modules with Pluggable Wiring Level (Series 753)..........................30
5.3.1 Coding...............................................................................................31
5.3.2 Plug Removal....................................................................................33
6Connect Devices.......................................................................................34
6.1 Connecting a Conductor to the CAGE CLAMP®....................................34
6.2 Connection Example..............................................................................35
6.3 Important Installation Notes ...................................................................36