17.9 Frequency Input problems
17.9.1 No Frequency Input
Cause
• Wiring problem
• Problem with external device
• Channel not configured for desired output or input
• Channel not licensed
Recommended actions
1. Verify that the external device is operating correctly.
2. Test the output from the external device.
3. Verify the wiring between the transmitter and the external device.
4. If applicable, ensure that the loop is powered.
5. Verify that the channel is wired and configured as a Frequency Input.
6. Purchase a license for the channel and upgrade the transmitter firmware.
17.9.2 Frequency Input reading consistently wrong
Cause
Incorrect configuration
Recommended actions
Check the scaling of the Frequency Input.
17.9.3 Frequency Input reading slightly inaccurate
Cause
External device not calibrated to match transmitter
Recommended actions
Calibrate the external device against the transmitter reading.
17.10 Frequency Output problems
17.10.1 No FO
Cause
• Stopped totalizer
• Process condition below cutoff
Configuration and Use Manual Troubleshooting
MMI-20025166 March 2019
Configuration and Use Manual 255
To Next Page
Loading...
