Inovance AC800 Series - Power-off

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AC800 Series Intelligent Machine Controller Hardware User Guide 6 Operating Instructions
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6.2 Power-o󶍽
safety precautions
WARNING
◆ The AC800 series controller will continue to operate normally for a certain period of time when an
instantaneous power failure occurs, so it may receive error signals from external devices a󶍽ected by
the instantaneous power
failure.
◆ Take fail-safe measures externally and monitor the power supply voltage on the external device side
as necessary, and also take safety measures in the user
program.
See the table below.
Power-o󶍽 voltage
UPS Code Power input Power-o󶍽 voltage
72030012 DC24V Below 22.5 V
Power Type
Power Type Power-o󶍽 evaluation time
Non-UPS Power o󶍽 immediately
UPS 15 ms
6.2.1 Operation at Power-o󶍽
When a power failure occurs because the following power-o󶍽 evaluation time is exceeded, the user
program is terminated. The PLC is stopped when the operations after power-o󶍽 evaluation are performed
(see section 6.2.3).
Power Type Time before power-o󶍽
Non-UPS Power o󶍽 immediately
UPS Above 15 ms