Chapter 4 Operation4.2 Starting the Controller
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4.2 Starting the Controller
4.2.1 Power Supply and Cutoff
[1] Power Supply Sequence
Turn on the power to the peripheral devices before turning on the main power supply.
The status of the DIO power supply and fieldbus connection is diagnosed at the initialization process.
An alarm will be detected when the power is not on or no connection is established. (At the delivery.)
Main Power
Initialization/self-diagnosis Normal operating condition
Controller status
Power supply for
peripheral devices
Status of power supply and connection
diagnosed at initializing (DIO power
supply and fieldbus setting at delivery)
Prior Supply
[2] Power Cutoff Sequence
Cut the power off for the peripheral devices at the same time as or after cutting off the main power.
.
Cut the power off for the peripheral
devices at the same time as or after
cutting off main power
Main Power
Power supply for
peripheral devices
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