Twido TWDLCAA24DRF PLC

[mark80me]

I had an twido PLC at one of my client site which running for more than 5 yrs.

I found this PLC was loss communication from HMI, and check it from PLC panel. I found that the RUN LED is Blink and POWER LED is solid green.

What happen to this PLC? What should i do to make it to RUN mode?

FYI, the mini-DIN had been set to modbus protocol.

thank first.

 

[chud]

My guess is loss of program. Download the program again to the unit with twidosuite. (And hopefully you still have the program)