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Emerson Micro Motion SGM Series User Manual

Emerson Micro Motion SGM Series
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14.18 Check mA Output Fault Action
mA Output Fault Action controls the behavior of the mA output if the transmitter
encounters an internal fault condition. If the mA output is reporting a constant value
below 4 mA or above 20 mA, the transmitter may be in a fault condition.
1. Check the status alerts for active fault conditions.
2. If there are active fault conditions, the transmitter is performing correctly. If you
want to change its behavior, consider the following options:
Change the setting of mA Output Fault Action.
For the relevant status alerts, change the setting of Alert Severity to Ignore.
Restriction
For some status alerts, Alert Severity is not configurable.
3. If there are no active fault conditions, continue troubleshooting.
14.19 Check for radio frequency interference (RFI)
The meter's TPS output or discrete output can be affected by radio frequency interference
(RFI). Possible sources of RFI include a source of radio emissions, or a large transformer,
pump, or motor that can generate a strong electromagnetic field. Several methods to
reduce RFI are available. Use one or more of the following suggestions, as appropriate to
your installation.
Procedure
Use shielded cable between the output and the receiving device.
- Terminate the shielding at the receiving device. If this is impossible, terminate
the shielding at the cable gland or conduit fitting.
- Do not terminate the shielding inside the wiring compartment.
- 360-degree termination of shielding is unnecessary.
Eliminate the RFI source.
Move the meter.
14.20
Check for leakage
Leakage can cause process problems and inaccurate density readings.
Tip
Micro Motion recommends checking for leakage on a regular schedule.
Troubleshooting
166 Micro Motion
®
Gas Specific Gravity Meters (SGM)

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Emerson Micro Motion SGM Series Specifications

General IconGeneral
BrandEmerson
ModelMicro Motion SGM Series
CategoryMeasuring Instruments
LanguageEnglish

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