iv • Table of Contents
LONWORKS
®
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
3 Fieldbus coupler/controller......................................................................45
3.1 Fieldbus coupler 750-319.......................................................................45
3.1.1 Description.........................................................................................46
3.1.2 Software for the coupler ....................................................................46
3.1.3 Hardware............................................................................................47
3.1.3.1 View..............................................................................................47
3.1.3.2 Device supply................................................................................48
3.1.3.3 Fieldbus connection......................................................................48
3.1.3.4 Display elements...........................................................................49
3.1.3.5 Configuration interface.................................................................49
3.1.3.6 Hardware address..........................................................................50
3.1.4 Operating system...............................................................................51
3.1.5 Data exchange....................................................................................52
3.1.6 Starting-up LON fieldbus nodes........................................................53
3.1.7 LED display.......................................................................................54
3.1.7.1 Blink code.....................................................................................54
3.1.7.2 Fieldbus status...............................................................................55
3.1.7.3 Node status....................................................................................56
3.1.7.4 Fault message via the blink code of the I/O LED.........................57
3.1.7.5 Supply voltage status ....................................................................58
3.1.8 Fault behavior....................................................................................58
3.1.8.1 Fieldbus failure .............................................................................58
3.1.8.2 Internal bus fault...........................................................................58
3.1.9 Technical Data...................................................................................59
3.2 Fieldbus controller 750-819 ...................................................................60
3.2.1 Description.........................................................................................60
3.2.2 Software for the controller.................................................................61
3.2.3 Hardware............................................................................................62
3.2.3.1 View..............................................................................................62
3.2.3.2 Device supply................................................................................63
3.2.3.3 Fieldbus connection......................................................................63
3.2.3.4 Display elements...........................................................................64
3.2.3.5 Configuration and programming interface....................................64
3.2.3.6 Operating mode switch.................................................................65
3.2.3.7 Hardware address..........................................................................66
3.2.4 Operating system...............................................................................67
3.2.4.1 Start-up..........................................................................................67
3.2.4.2 PLC cycle......................................................................................68
3.2.5 Process image ....................................................................................70
3.2.6 Data exchange....................................................................................71
3.2.6.1 Memory areas................................................................................72
3.2.6.2 Addressing ....................................................................................74
3.2.7 Starting-up LON fieldbus nodes........................................................78