Content •iii
WAGO-I/O-SYSTEM 750
I/O Modules
Content
1Important Notes ..........................................................................................3
1.1 Legal Bases............................................................................................... 3
1.1.1 Copyright ............................................................................................. 3
1.1.2 Personnel Qualifications...................................................................... 3
1.1.3 Use of the 750 Series in Compliance with Underlying Provisions ..... 3
1.1.4 Technical Condition of Specified Devices .......................................... 3
1.2 Standards and Guidelines for Operating the 750 Series........................... 3
1.3 Symbols .................................................................................................... 3
1.4 Safety Information.................................................................................... 3
1.5 Font Conventions ..................................................................................... 3
1.6 Number Notation...................................................................................... 3
1.7 Scope ........................................................................................................ 3
2I/O Modules.................................................................................................3
2.1 Special Modules ....................................................................................... 3
2.1.1 750-643 [MP-Bus Master Module] ................................................... 10
2.1.1.1 View.............................................................................................. 10
2.1.1.2 Description.................................................................................... 10
2.1.1.3 Indicating devices ......................................................................... 12
2.1.1.4 Schematic circuit diagram............................................................. 12
2.1.1.5 Technical data ............................................................................... 13
2.1.1.6 Functional description................................................................... 14
2.1.1.7 Process data................................................................................... 15
2.1.1.8 Data transfer.................................................................................. 17
2.1.1.8.1 Message codes for the extended control byte .......................... 18
2.1.1.8.2 Message codes for the extended status byte............................. 19
2.1.1.8.3 Use of the module 750-643 with programmable fieldbus
controllers................................................................................. 20
2.1.1.8.3.1 Compatibility....................................................................... 21
2.1.1.8.3.2 Overview of function blocks ...............................................21
2.1.1.8.4 Function macros ....................................................................... 22
2.1.1.8.4.1 Function macro output process data.................................... 22
2.1.1.8.4.2 Function macro input process data...................................... 23
2.1.1.9 Network structure.......................................................................... 24
2.1.1.9.1 Bus cable ..................................................................................24
2.1.1.9.2 Cable lengths ............................................................................ 24
2.1.1.9.3 Bus circuit ................................................................................ 26
2.1.1.9.4 Topology .................................................................................. 27
2.1.1.9.5 External MP-Bus Master (hand held) ...................................... 27
