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Mitsubishi Electric LCPU-U-HW Safety Manuallines Page 67

Melsec l series.
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(b) When using END cover with ERR terminal
Power supply
Input switched
when power
supply
established.
START
SW
END cover with ERR terminal
Interlock circuits
Provide external
interlock circuits for
conflicting operations,
such as forward rotation
and reverse rotation,
and for parts that could
damage the machine or
cause accidents .
FOR AC/DC
Transformer Transformer
Fuse
CPU module
SM52
Ym
SM403
Yn
XM
TM
TM
MC1 NO M10
NO
M10
Program
RA1 RA3
STOP
MC
SW
RA2
Output module
Ym
Yn
RA1
ERR.
RA3
Output module
MC2
MC1
MC1
MC2
66
Fuse
DC
power
(-)(+)
Fuse
Set time for DC
power supply to
be established.
RUN/STOP circuit
interlocked with
RA1
MC
(run monitor relay)
RA2
Voltage relay is
XM
recommended
Low battery alarm
(Lamp or buzzer)
ON when run by
L
SM403
This relay turns off if the
ERR. contact turns off
(a stop error occurs).
MC
MC
Power to output
equipment is turned
off when the STOP
signal is given.
The stop switch turns
off by an emergency
stop, a stop caused by
exceeding a limit value,
or turning off the ERR.
contact.

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