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• If the I/O Hold Bit is turned ON, the outputs from the PLC will not be turned OFF and will maintain
their previous status when the PLC is switched from RUN or MONITOR mode to PROGRAM
mode. Make sure that the external loads will not produce dangerous conditions when this occurs.
(When operation stops for a fatal error, including those produced with the FALS instruction, all out-
puts from PLC will be turned OFF and only the internal output status in the CPU Unit will be main-
tained.)
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CP1E CPU Unit Software User's Manual(W480)
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