OMNI 4000/7000 Operations and Maintenance Guide
– Rev F
7-21
Maintenance
7.2.6 Test Communications
If you need to troubleshoot communication issues by determining the proper way to access
certain Modbus register types, the Test Communications function acts as a Modbus master
simulator where you can read and write the data to an individual register.
To use the test communications application, follow these instructions:
1.
In the Actions ribbon, click
Diagnostics
.
2.
Click on
Test Communications
in the
Diagnostics
tree.
3.
Use the options at the top of the screen to define the data register you wish to test.
4.
a. Click the
Transmit
button to send the test message to the flow computer. You should
receive back
Data Values
, the
Transmit Message
, and a
Receive Message
.
b. Click the
Repeat
button to send the message continuously. You can edit how fast it
repeats in the
Repeat Delay
field.
