What is the fault repair time limit?
Thread Content
1. For single-point signals with a 2-out-of-3 configuration on-site, there is no need for redundancy in the ESD I/O cards. For signals that do not follow a 2-out-of-3 configuration, TRICON and HIMA I/O cards require 1:1 redundancy (as they are already tripled), while GE cards must be configured in a triple setup (with voting by three cards). HIMA has no time limit for fault repair, while TRICON and GE do. What is the repair time limit? If you know, please let me know
An article on China Industrial Control Network titled “Application of DCS-ESD in Hydrogenated Petroleum Resin Plants” provides a detailed explanation. Please take a look!
Are you referring to the time limit for fixing faults in the system I/O card? The I/O card starts timing from the moment a fault is detected; if the fault persists after 48 or 72 hours, the system shuts down. . . If it’s a controller with a redundant configuration, resetting it seems to cause the time to start counting from 0 again