NSK MEGATORQUE M-ESA-Y3040T25 - Turning Servo

— 6-15 —
Figure 6-13 : Handy Terminal display (In normal state)
NSK MEGATORQUE
MS1A50-*****
E*****
:_ Differs with the system configuration.
6.6.3. Turning Servo on
Figure 6-14 : Power “ON” sequence
Timer
Turn on power
Action for alarm
Servo lock
Operating
Motor
Master controller
(User devise)
Driver Unit side
Initialization
DRDY open DRDY close
SVON
NG
OK
NG
OK
Input
operation
command
Action for alarm
Check for
condition
Check for
DRDY
Figure 6-15 : Power ON / SVON timing
CPU initialized
2 sec. Approx.
* : It will take 30 milliseconds for the Driver Unit to receive the
operation command after SVON is inputted.
(See note)
ON
OFF
30ms min. *
ON
OFF
ON
OFF
Control power
Main power
supply
DRDY output
SVON input
Operation
command
Home Return, etc.
(See note)
Caution : Turn on the main power supply first, then the SVON input. When turn off the
main power supply, turn off SVON first. If the main power supply is turned off
in the servo-on state, the Driver Unit outputs the AC Line under-voltage alarm.
Once this alarm occurs it will not recover unless the power is turned on again.
◊ Figure 6-14 and 15 show timing of power “ON” and SVON.
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