Thermo Scientific BF51728, Installation And Operational Manual

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| Communication Option
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305374H02
3- Zone Tube Furnace
Chapter 8
Controller Parameters for Communication
Troubleshooting Communications
If your connection is not working properly, check the following conditions:
A. Verify complete and tight cable connections between the furnace and the PC.
B. Verify that power has been supplied to the unit and temperature controller before
starting the software program.
c. Verify DB-9 pin connections as shown in wiring diagram, interchange 2 & 3
connections if communication is not working.
d. Verify the configuration values in the controller, listed in the Table 4, “Controller
Parameters for Communication”.
Table 4 Controller Parameters for Communication
Parameter Value
Comms Module Identity Comms (67)
Communications Protocol Modbus
Communication Interface RS 485
Baud Rate 9600_baud (0)
Parity none
Comms Address 1