4-12
Chapter 4 Maintenance and Troubleshooting of this Device
4-3 Calibration Value Restoration and History Functions
The functions described here require connection with a communicator.
Caution
If the transmitter uses SFN communication while the process is in the automatic control
state, the output may fluctuate, and the device may enter a dangerous operating state.
Before performing this operation, be sure to switch the control loop of the process to
manual control.
4-3-1 Restoring the Factory Calibration Value
This function reverts the transmitter's calibration value to the state at the time of factory shipping.
If calibration has been performed using an erroneous value, the factory value can be restored.
Field Communication Software (Model CFS100) Instruction Manual
(HART5) Section 4-3 / (HART7) Section 3-3
HART Communicator Operation Manual
(HART5) Section 3-2-8 / (HART7) Section 3-3-2-1
4-3-2 Diagnostics History Display
Displays the diagnostic results stored in the transmitter. It enables errors which occurred in
the past to be checked. For information regarding the contents of the diagnostic messages,
see Table 4-3.
Field Communication Software (Model CFS100) Instruction Manual
(HART5) Section 4-5 / (HART7) Section 3-5
HART Communicator Operation Manual
(HART5) Section 3-3-2 / (HART7) Section 3-4-2
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