Traditional Culture Encyclopedia - The 24 Solar Terms - Festo valve island sf red light flashes.
Festo valve island sf red light flashes.
Hardware status error. ValveTerminal is a control element composed of several electrically controlled valves, which integrates signal input/output and signal control, just like a control island. The flashing of sf red light on Festo valve island is a hardware state error. PLC can be online, and the fault cache can be read through the CPU diagnosis function of STEP7, which contains detailed fault information and solutions.
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