Unitronics’s BACnet Gateway User Guide Page 4 of 28
Unitronics
LIST OF FIGURES
Figure 1: BACnet board.......................................................................................................................................................6
Figure 2: Power and RS-485 Connections...........................................................................................................................7
Figure 3: Modbus RS-485 Biasing Switch on the GW-BAC1..............................................................................................8
Figure 4: Modbus RS-485 End-Of-Line Termination Switch on the GW-BAC1 ...................................................................9
Figure 5: Connection from GW-BAC1 to RS-485 Field Network .......................................................................................10
Figure 6: RS-485 EOL Switch .............................................................................................................................................10
Figure 7: Required current draw for the GW-BAC1..........................................................................................................11
Figure 8: Power Connections............................................................................................................................................11
Figure 9: Tools menu on VisiLogic ....................................................................................................................................12
Figure 10: Tools menu on UniLogic ..................................................................................................................................12
Figure 11: BACnet Connection MS/TP Screen ..................................................................................................................13
Figure 12: BACnet Connection IP Screen ..........................................................................................................................13
Figure 13: BACnet Nodes Screen .....................................................................................................................................14
Figure 14: BACnet Map descriptors Screen ......................................................................................................................14
Figure 15: Modbus connection RTU Screen .....................................................................................................................15
Figure 16: Modbus connection IP Screen .........................................................................................................................15
Figure 17: Finish Screen....................................................................................................................................................16
Figure 18: File Transfer Screen .........................................................................................................................................17
Figure 19: File menu .........................................................................................................................................................17
Figure 20: MODBUS RTU configuration ............................................................................................................................18
Figure 21: Example of COM initialize................................................................................................................................18
Figure 22: Example of Modbus configuration ..................................................................................................................19
Figure 23: Example of MODBUS TCP/IP configurator.......................................................................................................19
Figure 24: Example of TCP/IP card and socket initialize ...................................................................................................19
Figure 25: Example of TCP/IP card and socket initialize ...................................................................................................20
Figure 26: Example of MODBUS Command......................................................................................................................20
Figure 27: Ethernet Port Location.....................................................................................................................................21
Figure 28: PC IP configuration ..........................................................................................................................................21
Figure 29: Changing IP Address via FST Web GUI .............................................................................................................22
Figure 30: Ethernet Port Location.....................................................................................................................................24
Figure 31: Diagnostic tool –device selection ...................................................................................................................24
Figure 32: Diagnostic selection.........................................................................................................................................25
Figure 33: Diagnostic tool –start diagnostic ....................................................................................................................25
Figure 34: Diagnostic tool –diagnostic test complete ......................................................................................................26
Figure 35: Diagnostic LEDs................................................................................................................................................27
Figure 36: Specifications...................................................................................................................................................28
