Control Point Hardware User Manual
Default Settings
Variable
Baud rate
Stop bits
Data bits
Parity bits
Protocol
Modbus address
Replay delay
4.7.2 Selecting Communication Protocol
The second switch selects between the available communication protocols, Modbus RTU/
ASCII or BACnet MS/TP:
•
Off: Modbus RTU/ASCII (default);
•
On: BACnet MS/TP.
4.7.3 RS485 Network Termination
The third switch adds or disconnects a termination resistor to the RS485 network:
•
Off: termination resistor disconnected (default);
•
On: termination resistor added (120 Ω).
Table 5. Default values
Figure 14. Selecting communication protocol
Figure 15. Adding a termination resistor
www.ismacontrolli.com
Default Value
115200
1
8
None
Modbus RTU
1
None
DMP300en | 1st Issue rev. 0 | 01/2025
page 15 of 19
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