Servo-Lock - Panasonic MINAS A6 Series Operating Instructions Manual

9. Timing chart
Alarm
When an Alarm Has Been Cleared (at Servo-ON Command)
Alarm-clear input
(A-CLR)
Dynamic brake
Servo on status
output(SRV-ST)
Motor energization
External brake
release output
(BRK-OFF)
Servo-Ready output
(S-RDY)
Servo-Alarm output
(ALM)
Position/Speed/
Torque command
Caution
*1. The alarm clear input recognition time can be changed in Pr5.16 Alarm clear input setup.
*2. Servo ON status output (SRV-ST) is a signal indicating that it has received the Servo-
On input; please note that it is not an indication showing command input is possible.
2
Preparation
Servo-ON/OFF Action While the Motor Is at Stall (Servo-Lock)
Remarks
To turn on/off the servo during normal operation, first stop the motor.
Servo-ON input
(SRV-ON)
Dynamic brake
Servo on status
output(SRV-ST)
Dynamic brake
External brake
release output
(BRK-OFF)
Caution
* 1 t1 depends on the setup value of Pr4.37 Setup of mechanical brake action at stalling.
*2 The operation of dynamic brake during servo off depends on the setup value of
Pr5.06 Sequence at servo off.
*3. Servo-ON will not be activated until the motor speed falls below approx. 30 r/min.
*4. Servo ON status output (SRV-ST) is a signal indicating that it has received the Servo-
On input; please note that it is not an indication showing command input is possible.
Related page
• P.4-47, 4-54 "Details of Parameter"
Buy: www.ValinOnline.com | Phone 844-385-3099 | Email: CustomerService@valin.com
120 ms or longer *1
input coupler
input coupler ON
OFF
engaged
approx.25 ms
*2
not-energized
output Tr OFF
(Break engage)
output Tr OFF
(not ready)
output Tr OFF
(alarm)
no input entry
9. Timing Chart

Servo-Lock

input coupler
OFF input coupler ON
approx.2 ms
engaged
*3
approx.23 ms
output Tr OFF
*4
approx 60 ms
not-energized
approx.4 ms
output Tr OFF
(Break engage)
approx.2 ms
approx.60 ms
energized
approx.4 ms
output Tr ON
(Break release)
output Tr ON
output Tr ON
100 ms or longer
input coupler
1 ms to 6 ms
released
output Tr OFF
output Tr ON
t1
*1
energized
output Tr OFF
(Break engage)
output Tr ON
(Break release)
input coupler
OFF
released
(ready)
(not alarm)
input enabled
OFF
engaged
*2
not-energized
2-43
1
2
3
4
5
6
7