How to deal with abnormal conditions of cards?
In case of transmitter failure during automatic control, switch back to manual mode immediately.
In case of valve failure, switch back to manual operation and change to on-site operation.
In case of power failure of the system, it shall be switched back to manual immediately, and the Engineer shall be required to check the system and put into automatic again after confirming that it is in good condition.
If the data on the operation interface is not refreshed (normally, the data is refreshed once per second), manual and automatic switching is unable to operate, etc., the instrument personnel shall be contacted for maintenance. At the same time, immediately go to the site for operation.
In case of system card fault, the corresponding control circuit shall be switched back to manual, and the instrument personnel shall replace the fault card, and the automatic can be put into operation again after checking and confirming that the fault is removed.
In case of abnormal power failure of the system, it shall be changed to manual operation. After re energization, the engineer is required to check the system, check whether the system data such as circuit parameters are normal, and confirm the opening of each regulating valve. After everything is normal, it can be put into automatic again.
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