Toshiba nv-pack, Manual

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Unified Controller nv-pack series Controller typeFR Instruction Manual
v
Mandatory
Turn on the power in the following
order:
Turn on the power of the nv-pack
series, and then turn on the I/O
module supply external power and
external load power.
If this order is not followed, it may cause
an accident or damage to the machine
due to malfunction.
Mandatory
For system safety, turn off the load
power before the power of the
nv-pack series.
If this order is not followed, it may cause
an accident or damage to the machine.
Share the external power supply for the
I/O module with the load power supply
whenever possible. If this is not possible,
construct the system so that the external
power supply and load power supply are
turned off simultaneously.