3-12
Chapter 3 Starting and Stopping this Device
(2) Starting Operation
(i) Applying process pressure
In the following procedure, valves are operated to apply the pressure of the process to this device,
and then the measured values are checked using the communicator.
Procedure
(1) Gradually open the manual master valve.
Gas Vent Plugs
Open to Atmosphere
Drain Valve
Manual
Master Valve
(ii) Checking measured values
• Using the communicator, check the measured values.
• After checking , disconnect the communication cable, attach the device's case cover, and switch
the process to normal operation.
• If the analog signal output and the displayed values do not match the process conditions,
- Check the setting range
- Check the location at which the flange is attached to the process
- Recalibrate
If there is still no improvement, carry out the troubleshooting in Chapter 4.
• If the measurement output and display do not stabilize, adjust the damping time constant.
(iii) Cautions following checking of measured values
After checking the measured values, confirm that the device's case cover is securely closed. If it is
not securely closed, rainwater and the like can enter the device and cause damage to the terminals,
electronics modules, etc., located inside.
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