MAN0923_Issue 3_04/15
Touchpoint Pro
Operating Instructions
185
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
Default
Setting
Value Range
Comment
Baud Rate
9600
9600, 19200
Should be set to correspond to the baud rate of
the host system
Parity
None
Even, Odd, None
Should be set to correspond to the parity
checking set on the host system
Primary Slave Address
1
1 to 247
Each node connected to the RS485 highway
must have a different address setting
Secondary Slave Address
2
1 to 247
Touchpoint Pro Modbus communication uses 8 data bits and 2 stop bits.
14. Appendix 1 - Modbus Option
