Mitsubishi Electric MELSEC Q Series User Manual page 46

Signal name
Servo READY signal (READY)
(+ side)
Servo READY signal (READY)
(- side)
Servo ON signal (SVON) (+ side)
Servo ON signal (SVON) (- side)
Speed command signal (+ side)
Speed command signal (- side)
44
Connector Pin
name number
1
2
SERVO
3
4
15
14
Signal detail
• This signal turns on when the drive unit is ready to operate.
• Positioning cannot be started when this signal is off.
• If this signal turns off during positioning, the system stops. The
system does not operate even if this signal is turned on again.
This line is common to Servo READY signal (READY).
• Wire this signal without fail to prevent malfunction of the
servomotor.
• This signal turns on automatically if there is no hardware error
at a system startup.
• This signal turns off if an error was detected due to an
excessive error or by the QD73A1's self-diagnosis on its
hardware.
This line is common to Servo ON signal (SVON).
The analog voltage converted from digital accumulated pulse
amount is output.
This line is common to Speed command signal.