2-43
1
Before Using the Products
2
Preparation
3
Connection
4
Setup
5
Adjustment
6
When in T
rouble
7
Supplement
When an Alarm Has Been Cleared (at Servo-ON 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.
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.
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.
2
Preparation
9.
Timing Chart
Servo-Lock
Related page
• P.4-47, 4-54 “Details of Parameter”
9. Timing chart
Alarm
approx.60 ms
approx.2 ms
120 ms or longer
*
1
input coupler ON
input coupler
OFF
input coupler
OFF
engaged
released
energized
not-energized
output Tr OFF
(Break engage)
output Tr ON
(Break release)
output Tr ON
(ready)
output Tr OFF
(alarm)
output Tr ON
(not alarm)
no input entry
input enabled
100 ms or longer
approx.4 ms
Dynamic brake
Motor energization
External brake
release output
(BRK-OFF)
Servo-Ready output
(S-RDY)
Servo-Alarm output
(ALM)
Alarm-clear input
(A-CLR)
Position/Speed/
Torque command
output Tr OFF
(not ready)
Servo on status
output(SRV-ST)
approx.25 ms
*
2
Servo on status
output(SRV-ST)
*
4
Dynamic brake
Dynamic brake
External brake
release output
(BRK-OFF)
Servo-ON input
(SRV-ON)
approx 60 ms
approx.2 ms
approx.4 ms
1 ms to 6 ms
t1
*
1
not-energized
output Tr OFF
output Tr OFF
input coupler ON
input coupler
OFF
input coupler
OFF
released
output Tr ON
energized
output Tr OFF
(Break engage)
output Tr OFF
(Break engage)
output Tr ON
(Break release)
engaged
*
2
engaged
*
3
not-energized
approx.23 ms
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