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Panasonic A4P Series User Manual

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D  B
D  B
Free-run
Free-run
D  B
D  B
Free-run
Free-run
D  B
Free-run
Free-run
D  B
D  B
Clear
Clear
Clear
Clear
Hold
Hold
Hold
Hold
Free-run
Free-run
Emergency stop
Clear
D  B
Emergency stop
Clear
Free-run
D  B
0
Setup value of SV.Pr67
1
2
3
4
5
6
7
8
9
Sequence at main 
power-off (SV.Pr67)
Driving condition
during deceleration
after stalling
Contents of 
deviation 
counter
Dynamic Brake
This driver is equipped with a dynamic brake for emergency stop.
Pay a special attention to the followings.
<Caution>
1. Dynamic brake is only for emergency stop.
2. Dynamic brake is a short-duration rating, and designed for only emergency stop. Allow approx. 3 minutes
pause when the dynamic brake is activated during high-speed running.
(Over-current protection (error code No. 14) may be activated when the dynamic brake circuit inside the
F-frame driver has overheated.)
 • You can activate the dynamic brake in the following cases.
1) When the main power is turned off
2) At Servo-OFF
3) When one of the protective function is activated.
In the above cases from 1) to 3), you can select either activation of the dynamic brake or making the
motor free-run during deceleration or after the stop, with parameter.
Note that when the control power is off, the dynamic brake will be kept activated.
1) Setup of driving condition from deceleration to after stop by main power-off (SV.Pr67)
The motor becomes a dynamo when driven externally, and shorting current runs
while this dynamic brake is activated and might cause smoking or fire.
Do not start/stop the motor by turning on/off the Servo-ON signal (SRV-ON).
Or it may damage the dynamic brake circuit of the driver.
Torque limit value at emergency stop will be that of SV.Pr6E (Emergency stop torque set up)
when the setup value is 8 or 9.