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Installation
Section 2-2
2-2-3 Power Supply Connection
Connect a 24 VDC power supply to the power input terminals.
Note: S Check the wiring carefully before turning on the power.
S Do not connect an AC power supply to the power supply terminals.
S Use a DC power supply with low voltage fluctuation.
S If complying with EC directives (low voltage directives), use a power supply with
reinforced insulation.
Reference: When using an NT20S-ST122-V1, the NT20S must be started up before the host.
For details, refer to “Switching the Power ON/OFF When Using C200H Direct”
(page 62). When not using C200H direct communication, there are no restrictions
on the order in which power supplies are switched ON and OFF.
24 VDC
Power Supply
24 VDC
Breaker
S Power supply
The specifications of the power supply that can be connected are as follows.
Item Value
Power supply voltage 24 VDC
Allowable power supply voltage
fluctuation range
20.4 VDC to 26.4 VDC
(24 VDC –15%, +10%)
Power supply capacity 10 W or over
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