Appendices
A-106
CP2E CPU Unit Software User’s Manual(W614)
The following diagram shows an example countermeasure for this situation.
• Wiring
• Ladder Program
Power supply
voltage: 85%
Power OFF
detected singal
Program execution
status
CPU reset signal
External power supply
input
Input signal to CP2E
Power OFF detection time
AC: 10 ms min.
DC: 2 ms min.
Power OFF detected
Cyclic task or interrupt task
If the external power supply input turns
OFF before the power interruption is
detected, the CPU Unit will read the
input as being OFF
CP2E
COM 0.00 0.01
L1 L2
Emergency stop input
100 VAC
External power
supply input
0.00
0.01
Emergency
stop input
Emergency stop
release input
External power supply
input (Enables
emergency stop output.)
Emergency
stop output
Emergency
stop output