Z-Phase Pulse Width (For Primary Replacement) - Mitsubishi Electric MELSERVO-J2S Series Manual

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Z-phase Pulse Width (for Primary Replacement)

Note that the pulse width and start-up timing of the encoder Z-phase pulse signal (OP) output from the servo
amplifier are different between the MR-J2S / MR-J2M series and the MR-J4 series.
<Precautions>
* Always reset the home position upon replacement.
<Amplifier replacement>
At low
speed
* Approximately less than 5 r/min
At high Approximately 900 μs fixed
speed
* Approximately 5 r/min or more
<Package replacement>
At low
speed
* At approximately less than 130 r/min
At high Approximately 400 μs fixed
speed
* Approximately 130 r/min or more
MR-J2S/MR-J2M series
10/131,072 pulses
(Example: At 10 r/min)
10 pulses (about 0.5 ms)
About 900 μs
HG-KR, MR, SR motor
4,096 / 4,194,304 pulses
(Example: At 10 r/min)
10 pulses (about 6 ms)
About 400 μs
MR-J4 series
10/131,072 pulses
(Example: At 10 r/min)
10 pulses (about 0.5 ms)
* Approximately less than 10 r/min
Approximately 400 μs fixed
About 400 μs
* Approximately 10 r/min or more
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