Configuration - Honeywell touchpoint Pro Operating Instructions Manual

MAN0923_Issue 3_04/15
14. Appendix 1 - Modbus Option

14.3 Configuration

Note: It is recommended that the host computer is configured to provide at least two retries in the event of
a communication frame loss with a minimum delay of 1 s between each poll, and a minimum timeout of 2 s.
Refer to the documentation supplied with the host computer for details of its communication and Modbus
configuration. Touchpoint Pro Modbus communication uses 8 data bits and 2 stop bits.
To configure the Touchpoint Pro Modbus communication parameters, follow the procedure below.
1. If not already logged in, login with a valid engineer level user name
2. From the System Status screen select the Extras icon then Global Settings
3. Select Modbus Settings, then Edit to adjust the parameters
4. When complete, press Save
Access Level: Engineer
Parameter Name
Baud Rate
Parity
Primary Slave Address
Secondary Slave Address
Touchpoint Pro Modbus communication uses 8 data bits and 2 stop bits.
Default Setting Value Range
9600 9600, 19200
None Even, Odd, None
1 1 to 247
2 1 to 247
Comment
Should be set to correspond to the baud rate of
the host system
Should be set to correspond to the parity
checking set on the host system
Each node connected to the RS485 highway
must have a different address setting
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Touchpoint Pro
Operating Instructions