Bell & Gossett S13654B Technologic 5500 Series Pump Controller - Manual (Page 14)

14
No
No
No
Correct the Wire
Connections.
Correct the MAC address.
The polling device must set the
device instance number = 100 on
the slave unit.
Check MAC address setting.
Ensure the polling device
knows that device instance
number is set to 100 for the
Technologic 5500 control
panel.
Yes
Yes
Yes
Yes
Yes
BACnet drivers are working
Is B&G Write Counts Active?
(Are write values non-zero and
constanly changing?)
Is B&G Read Counts Active?
(Are read values non-zero and
constanly changing?)
View the “COMMUNICATION” test screen
Is Devise Instance Number set to 100?
(B&G selceted identifiying number)
Is MAC address setting correct?
Range 1-255
Is RS485 Connection Correct?
Data <-> +; N_data <-> -
Start Troubleshooting
BACnet MSTP TROUBLESHOOTING FLOW CHART
Contact Building Control
Manufacturer for the correct
BACnet MS/TP slave unit
requirements
No
Is
B&G Read Count
Active?
Cycle the control
Panel's Power
No
No
Yes