Batch Problems - Emerson Micro Motion 5700 Configuration And Use Manual

Troubleshooting
March 2019
17.3.2 Inaccurate referred density reading
Cause
• Inaccurate density measurement
• Inaccurate temperature measurement
• Incorrect reference conditions
• Incorrect API table selection
Recommended actions
1. Verify the line density value.
2. Verify the line temperature value.
3. Ensure that the application is configured to use the appropriate temperature source.
4. Ensure that the pressure source is configured correctly, that the external pressure device is operating
correctly, and that both devices are using the same measurement units.
5. Ensure that reference temperature and reference pressure, if applicable, are configured correctly.
6. Ensure that the selected API table is appropriate for the process fluid.

17.4 Batch problems

17.4.1 Batch will not start
Cause
• Previous batch not ended
• Valve is closed but the transmitter is detecting flow
• No discrete output configured for batch control
• For two-stage batching, primary and secondary valves are not configured
Recommended actions
1. End the batch.
2. Check for two-phase flow.
3. Verify the zero.
4. Verify the cutoffs.
5. Set up a channel to operate as a discrete output, and configure it for batch control.
6. For two-stage batching, configure the primary and secondary valves.
17.4.2 Valve operation is backwards
Cause
• Discrete Output wiring is incorrect
• Discrete Output polarity is reversed
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Configuration and Use Manual
Micro Motion Model 5700 with Ethernet Transmitters
MMI-20029769