The readings do not need to match exactly. If the values are slightly different, you can correct
the discrepancy by trimming the output.
e) Click UnFix mA.
f) Enter 20 in Fix to:.
g) Click Fix mA.
h) Read the mA current at the receiving device and compare it to the transmitter output.
The readings do not need to match exactly. If the values are slightly different, you can correct
the discrepancy by trimming the output.
i) Click UnFix mA.
2. Test the Frequency Output(s).
a) Choose Device Tools > Diagnostics > Testing and select the frequency output to test.
b) Enter the frequency output value in Fix to.
c) Click Fix FO.
d) Read the frequency signal at the receiving device and compare it to the transmitter output.
e) Click UnFix FO.
3. Test the Discrete Output(s).
a) Choose Device Tools > Diagnostics > Testing > Discrete Output Test.
b) Set Fix to: to ON.
c) Verify the signal at the receiving device.
d) Set Fix to: to OFF.
e) Verify the signal at the receiving device.
f) Click UnFix.
Postrequisites
• If the mA Output readings are within 20 microamps of the expected values, you can correct this
discrepancy by trimming the output.
• If the discrepancy between the mA Output readings is greater than 20 microamps, or if at any step the
reading was faulty, verify the wiring between the transmitter and the remote device, and try again.
15.15.3 Perform loop tests using the Field Communicator
Procedure
1. Test the mA Output(s).
a) Choose Service Tools > Simulate > Simulate Outputs and select the mA output to test.
b) Select 4 mA.
Configuration and Use Manual Troubleshooting
MMI-20048166 April 2019
Configuration and Use Manual 191
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