NotaMaster Posted November 30, 2021 Report Posted November 30, 2021 i came across a problem. when the electricity went off or i power off the plc. when i turned it on again, all my counters time are reset to zero or lost. Is there a way to maintain these data in plc during power offline? I use Q series Q03UDE
WattUp Posted November 30, 2021 Report Posted November 30, 2021 PLC Parameters > Device Tab. Set a start / end address for the Latch 1 / 2 as needed. Latch 1 is data retained during power cycles but reset with Latch clear command. Latch 2 retains data always.
NotaMaster Posted December 1, 2021 Author Report Posted December 1, 2021 12 hours ago, WattUp said: PLC Parameters > Device Tab. Set a start / end address for the Latch 1 / 2 as needed. Latch 1 is data retained during power cycles but reset with Latch clear command. Latch 2 retains data always. thank you sir, it works for now
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