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Prerequisites
You will need the installation manual for your transmitter.
Procedure
1. Before opening the wiring compartments, disconnect the power source.
CAUTION!
If the transmitter is in a hazardous area, wait five minutes after disconnecting the
power.
2. Verify that the transmitter is connected to the sensor according to the information
provided in your transmitter installation manual.
3. Verify that the wires are making good contact with the terminals.
4. Check the continuity of all wires from the transmitter to the sensor.
12.11 Check grounding
The sensor and the transmitter must be grounded. If the core processor is installed as part
of the transmitter or the sensor, it is grounded automatically. If the core processor is
installed separately, it must be grounded separately.
Prerequisites
You will need:
• Installation manual for your sensor
• Installation manual for your transmitter
Procedure
Refer to the sensor and transmitter installation manuals for grounding requirements and
instructions.
12.12 Perform loop tests
A loop test is a way to verify that the transmitter and the remote device are
communicating properly. A loop test also helps you know whether you need to trim mA
outputs.
12.12.1 Perform loop tests using the display
Prerequisites
Before performing a loop test, configure the channels for the transmitter inputs and
outputs that will be used in your application.
Troubleshooting
228 Micro Motion
®
Model 2700 Transmitters with Analog Outputs