WAGO I/O-SYSTEM 750, Technical Description

Page: 4 / 192

iv • Table of Contents
WAGO-I/O-SYSTEM 750
CANopen
2.9 Shielding (Screening) ............................................................................. 43
2.9.1 General............................................................................................... 43
2.9.2 Bus
Conductors.................................................................................. 43
2.9.3 Signal Conductors.............................................................................. 43
2.9.4 WAGO Shield (Screen) Connecting System..................................... 44
2.10 Assembly Guidelines/Standards............................................................. 44
2.11 Scope ...................................................................................................... 12
2.12 Abbreviation ........................................................................................... 45
3 Fieldbus Coupler ....................................................................................... 46
3.1 Fieldbus Coupler 750-337, 750-338...................................................... 46
3.1.1 Description......................................................................................... 46
3.1.2 Hardware............................................................................................ 47
3.1.2.1 View .............................................................................................. 47
3.1.2.2 Variations ...................................................................................... 48
3.1.2.3 Device
supply................................................................................ 48
3.1.2.4 Fieldbus Connection ..................................................................... 49
3.1.2.5 Display Elements .......................................................................... 50
3.1.2.6 Configuration Interface ................................................................. 51
3.1.2.7 Hardware Address (Module ID) ................................................... 51
3.1.2.8 Setting the Baud Rate.................................................................... 52
3.1.3 Operating System............................................................................... 53
3.1.4 Process Image .................................................................................... 54
3.1.4.1 Structure in principle..................................................................... 54
3.1.5 Data Exchange ................................................................................... 54
3.1.5.1 Communication objects ................................................................ 55
3.1.5.2 Communication interfaces ............................................................ 55
3.1.5.3 Memory Areas .............................................................................. 55
3.1.5.4 Addressing .................................................................................... 56
3.1.6
Starting up a CANopen Fieldbus Node ............................................. 59
3.1.6.1 Connecting the PC and Fieldbus Node ......................................... 59
3.1.6.2 Checking and Setting the Baud Rate ............................................ 59
3.1.6.3 Setting the Module ID................................................................... 60
3.1.6.4 Changing to the OPERATIONAL Status ..................................... 61
3.1.6.5 Switching on the analog Input Data.............................................. 61
3.1.6.6 Application specific Mapping....................................................... 62
3.1.7 LED Display ...................................................................................... 65
3.1.7.1 Fieldbus Status .............................................................................. 66
3.1.7.2 Node Status – Blink Code of the 'I/O' LED .................................. 67
3.1.7.3 Supply Voltage Status................................................................... 72
3.1.8 Technical Data ................................................................................... 74
4 CANopen .................................................................................................... 76
4.1 Description ............................................................................................. 76
4.2 Network
Architecture ............................................................................. 77
4.2.1 Transmission Media........................................................................... 77
4.2.1.1 Type of Cable................................................................................ 77
4.2.1.2 Maximum Bus Length .................................................................. 77
4.2.1.3 Required Conductor Cross Section............................................... 78
4.2.2 Cabling............................................................................................... 78