14.14 Discrete Output problems
Problem
Possible causes
Recommended actions
No discrete output
•
Output not powered
•
Wiring problem
•
Circuit failure
•
Verify that the output loop is powered
externally.
•
Check the power supply and power supply
wiring. See
.
•
Verify the output wiring.
•
Contact customer service.
Loop test failed
•
Output not powered
•
Power supply problem
•
Wiring problem
•
Circuit failure
•
Verify that the output loop is powered
externally.
•
Check the power supply and power supply
wiring. See
.
•
Verify the output wiring.
•
Contact customer service.
Discrete output
readings reversed
•
Wiring problem
•
Configuration does not match wiring
•
Verify the output wiring.
•
Ensure that
Discrete Output Polarity
is set
correctly.
14.15 Time Period Signal (TPS) output problems
Table 14-4: TPS output problems and recommended actions
Problem
Possible causes
Recommended actions
No TPS output
•
The TPS output is not supported on this
device
•
TPS wiring is connected to the wrong
terminals
•
Output not powered
•
External short or low input impedance
•
Verify that the output loop is powered
externally.
•
Check the power supply and power supply
wiring. See
.
•
Verify the output wiring.
•
Contact customer service.
Loop test failed
•
Power supply problem
•
Wiring problem
•
Circuit failure
•
Verify that the output loop is powered
externally.
•
Check the power supply and power supply
wiring. See
.
•
Verify the output wiring.
•
Contact customer service.
Troubleshooting
Configuration and Use Manual
March 2021
MMI-20020954
138
Micro Motion Gas Specific Gravity Meters (SGM)