Wiring The Near-Point Dog - Mitsubishi Electric QD77MS User Manual

Wiring the near-point dog

When using the near-point dog signal, wire the signal terminals corresponding to
the near-point dog of the device to be used as follows.
(1) External input signal of QD77MS
Wire the upper/lower limit stroke limit terminals of the Simple Motion
module/servo amplifier as shown in the following drawing. As for the 24 V DC
power supply, the direction of current can be switched.
(Example)
• When "[Pr.22] Input signal logic selection" is set to the initial value
Fig. 8.1 Wiring when using the near-point dog
(2) External input signal of the servo amplifier
Refer to the servo amplifier instruction manual for details on signal input
availability and wiring.
Wire the MR-J3/MR-J4 series servo amplifier as shown in the following
drawing. As for the 24 V DC power supply, the direction of current can be
switched.
(Example)
• When "[Pr.22] Input signal logic selection" is set to the initial value
Fig. 8.2 Wiring when using the near-point dog
(3) External input signal via CPU (buffer memory of QD77MS)
Refer to the manual of the input module to be used for wiring.
QD77MS
DOG
COM
24 V DC
Servo amplifier
DI3
(DOG)
DICOM
24 V DC
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Chapter 8 OPR Control