How to deal with the abnormal condition of DCS card?
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 it into automatic again after confirming that it is in good condition.
If the data of DCS operation interface is not refreshed (normally, the data is refreshed once per second), manual and automatic switching cannot be operated, 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 failure, the corresponding control circuit shall be switched back to manual mode, and the instrument personnel shall replace the failed card. After checking and confirming that the failure is solved, it can be put into automatic mode again.
In case of abnormal power failure of DCS system, it shall be changed to manual operation. After re energizing, the engineer is required to check the system condition, check whether the loop parameters and other system data are normal, and confirm the opening of each regulating valve. After everything is normal, it can be put into automatic again.
The above is a detailed introduction about the central control DCS card xp313 of Zhejiang University. I hope it will be helpful to you If you have any questions, please contact us We will provide you with professional service http://www.sdjkyqyb.com