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FX1N Series Programmable Controllers Power Supply 4.
4-9
1
2
3
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4.6 Service Power supply
An AC powered FX
1N
can supply a service current of 24V DC at 400mA when used on its own
and, when used with extension or special function blocks.
A DC powered FX
1N
does not have the capacity to supply a service current. However
Additional extension blocks can be powered from the main units power supply.
4.7 Earthing / Grounding
Use a cable at least 0.2mm
2
(AWG24) to ground equipment. Ground resistance must be
less than 100
Ω
. Note that the ground cable must not be connected to the same ground as
the power circuits.
➊
DC Power supply, 12V DC, +20%/ -15%
➑
Fuse
➋
Circuit protector or Fuse
➒
Main unit
➌
Emergency stop
➓
Breaker
➍
Power supply switch
Power Supply for the input circuitry of the
main unit and extension blocks that are
connected.
➎
Power ON pilot indicator
➏
Power supply for loads
When using a 12V DC power supply,
extension blocks occupying up to 32
I/O points are connected.
➐
Grounding resistor 100
Ω
or less
11
12