DIP Switch
The Touch Point panel is equipped with a 3-position DIP switch. Each of three sections has a separate function:
the first switch allows for restoring default settings;
the second switch allows for selecting a communication protocol;
and the third switch allows for the RS485 network termination.
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DIP switch location
Restoring Default Settings
The first switch provides a possibility to restore default settings in the panel. In order to do so, follow the steps below:
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Restoring default settings
Turn off the power supply;
set the first switch to on;
turn on the power supply;
wait until 5 seconds pass;
set the first switch to off.
Default Settings
Variable | Default Value |
---|---|
Baud rate | 115200 |
Stop bits | 1 |
Data bits | 8 |
Parity bits | None |
Protocol | Modbus RTU |
Modbus address | 1 |
Replay delay | None |
Selecting Communication Protocol
The second switch selects between the available communication protocols, Modbus RTU/ASCII or BACnet MS/TP:
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Selecting communication protocol
Off: Modbus RTU/ASCII (default);
On: BACnet MS/TP.
RS485 Network Termination
The third switch adds or disconnects a termination resistor to the RS485 network:
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Adding a termination resistor
Off: termination resistor disconnected (default);
On: termination resistor added (120 Ω).