User manual

22
Power Supply Module
• Hardware features
1. Power status LED
Turns on when power is on.
2. Power fuse holder
3. Terminal block
Terminal block for power wiring. Crimped terminal for M3.5 can be used.
Detachable.
4. Power input terminal
110-240V AC Free Voltage power input terminal (NX-PWR220 is only for
220V ac).
5. Frame ground (FG) terminal
As a grounding terminal, it is connected to the metal part of the
backplane. Use triple grounding to prevent electric shock.
6. Service power terminal (24V DC)
DC power supply to input and output unit.
POWER
FUSE
USE ONLY
250V 1.5A
85-264
VAC
FRAME
GROUND
24VDC
0.5A
OUTPUT
N
L
+
-
1
3
2
4
5
6
POWER
FUSE
USE ONLY
250V 1.5A
FRAME
GROUND
+
-
24V DC
NX-POWER NX-PWRDC
ATTENTION
This service power terminal should not be connected to any
commercial power supplies in parallel because it causes an
error.