Gocator Line Profile Sensors: User Manual
Gocator Web Interface • 319
To receive commands and send results using Modbus TCP messages:
1. Go to the Output page.
2. Click on Ethernet in the Output panel.
3. Select Modbus as the protocol in the Protocol drop-down.
Unlike the Gocator Protocol, you do not select which measurement items to output. The Ethernet panel
will list the register addresses that are used for Modbus TCP communication.
The Modbus TCP protocol can be used to operate a sensor. Modbus TCP only supports a subset of the
tasks that can be performed in the web interface. A sensor can only process Modbus TCP commands
when Modbus is selected in the Protocol drop-down.
4. Check the Buffering checkbox, if needed.
Buffering is needed, for example, in Surface mode if multiple objects are detected within a time frame
shorter than the polling rate of the PLC.
If buffering is enabled with the Modbus protocol, the PLC must read the Advance register to advance
the queue before reading the measurement results.
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