Control Mode Selection Timing; Alarm Reset Timing - Fuji Electric Alpha7 VV User Manual

9.1.3 Control Mode Selection Timing

Transition time for each control mode is 2 [ms].
After issuing a selection signal, wait for 2 [ms] or more before issuing next commands.
[Example] Switching from position control to speed control
PA01_01 (control mode selection)
Control mode
Manual forward rotation [FWD]
Speed command voltage

9.1.4 Alarm Reset Timing

After an alarm occurs, it takes about 0.5 [ms] until alarm detection output.
It takes about 1.5 [ms] or 80 [ms]* after an alarm reset signal is issued until the alarm is actually
removed.
Alarm
Alarm reset
Servo-on [S-ON]
Ready for servo-on
[RDY]
Servo alarm detection
(normally open contact)
Servo alarm detection
(normally closed contact)
* The time varies according to the setting of PA2_62 (Action sequence at alarm).
If the action at stop is free-run (reference value: 1, 3 or 5): 1.5 [ms]
If the action at stop is DB (dynamic brake) (reference value: 0, 2 or 4): 80 [ms]
CHAPTER 9 CHARACTERISTICS
OFF
2ms
Position Speed
control control
OFF
2ms
May not be input
Normal Alarm occurrence
OFF
ON
0.5ms
ON OFF
OFF ON
ON OFF
ON
ON
Can be input
Normal
1.5ms/80ms*
ON OFF
1.5ms/80ms*
ON
OFF
ON
Timing Chart
9
9-5