Mitsubishi Electric Melsec-Q172DCPU User Manual page 140

3 DESIGN
POINT
(1) (Note-1): Make the forced stop input cable within 30m(98.43ft.). The forced stop
by the forced stop terminal of input module is also possible.
(2) (Note-2): Motion SFC program example is shown in the right record.
(3) (Note-3): It is also possible to use a full wave rectified power supply as the
power supply for the electromagnetic brake.
(4) (Note-4): It is also possible to use forced stop signal of the servo amplifier.
(5) (Note-5): Refer to the servo amplifier instruction manuals for selection of the
circuit breaker and electromagnetic contactor.
(6) (Note-6): The surge suppressor is recommended to be used for an AC relay or
electromagnetic contactor (MC) near the servo amplifier.
Refer to the servo amplifier instruction manual for selection of the
surge suppressor.
(Note-5)
MCCB2
SSCNET
(Note-5)
MCCB3
(Note-5)
MCCB4
(Note-1): When the control power supply of servo amplifier is shut off, it is not possible to communicate with the servo amplifier after that.
Example) When the control power supply L11/L21 of servo amplifier in figure
communicate with the servo amplifier
If only a specific servo amplifier main circuit power supply is shut off, be sure to shut off the main circuit power supply L1/L2/L3,
and do not shut off the control power supply L11/L21.
(Note-2): Be sure to shut off the both of main circuit power supply L1/L2/L3 and control power supply L11/L21 after disconnection of
SSCNET communication by the connect/disconnect function of SSCNET communication at the time of exchange of servo
amplifier. At this time, it is not possible to communicate between the servo amplifier and Motion controller. Therefore, be sure to
exchange the servo amplifier after stopping the operating of machine beforehand.
MC1
L1 U
MR-J4-B
L2 V
A
L3 W
L11
L21
DICOM
/H CN1A ALM
EM2/1
CN1B
DOCOM
MC2
L1 U
MR-J4-B
L2 V
B
L3 W
L11
L21
DICOM
CN1A ALM
EM2/1
CN1B
DOCOM
MC3
L1 U
MR-J4-B
L2 V
C
L3 W
L11
L21
DICOM
CN1A ALM
EM2/1
CN1B
DOCOM
C
.
3 - 5
<Example> For control axis 1, axis 2 and axis 3
Servo error detection
[F 1]
SET PYm
[G 1]
M2408+M2428+M2448
[F 2]
RST PYm
END
U
V
M
W
Electro-
magnetic
Ground
B
brake
(Note-3)
RA2
(Note-4)
U
V
M
W
Electro-
magnetic
Ground
B
brake
(Note-3)
RA3
(Note-4)
U
V
M
W
Electro-
magnetic
Ground
B
brake
(Note-3)
RA4
(Note-4)
B
above is shut off, it is also not possible to
PYm ON with initial
(ON : normal)
Servo error detection
of the axis 1, axis 2,
axis 3
OFF : abnormal (error)
RA2
U
+24V
24G
RA3
U
RA4
U