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4 POSITIONING SIGNALS
(13) DOG/CHANGE signal (M2414+20n)
(a) This signal turns on/off by the proximity dog input (DOG) of the Q172LX/
Servo amplifier at the home position return.
(b) "Normally open contact input" and "Normally closed contact input" of the
system setting can be selected.
1) Q172LX use
(Note-1)
DOG signal : ON
Q172LX
DOG
DOG
COM
DOG signal : OFF
Q172LX
DOG
DOG
COM
2) Servo amplifier input use
(Note-2)
DOG signal : ON
DOG
DI3
DICOM
DOG signal : OFF
DOG
DI3
DICOM
MR-J3- B MR-J3- B
(Note-1): Refer to the "Q173HCPU/Q172HCPU User’s Manual".
(Note-2): Refer to the "Q173HCPU/Q172HCPU Motion controller Programming
Manual (COMMON)".
(14) Servo ready signal (M2415+20n)
(a) This signal turns on when the servo amplifiers connected to each axis are in
the READY state.
(b) This signal turns off in the following cases.
• M2042 is off
• Servo amplifier is not installed
• Servo parameter is not set
• It is received the forced stop input from an external source
• Servo OFF by the servo OFF command (M3215+20n) on
• Servo error occurs
Refer to APPENDIX 1.4 "Servo errors" for details.
Q61P Q02H
CPU
Q38B
Communication is normal
Servo ready signal : ON
M
Q172
LX
Q172H
CPU
AMP
M
AMP