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Power supply
Timing chart
Servo ON command
Fig. 3-19: Timing chart for switching on the power supply
Emergency stop
For safety's sake an EMERGENCY OFF switch must always be installed between the terminals
EM1 and SG. When the contact is interrupted, the servo motor is switched to a resistance brake
(dynamic brake) integrated into the unit and brought to a stop as soon as possible.
Simultaneously the EMERGENCY OFF message (E6) appears on the display.
During ordinary operation, do not use emergency stop circuit to alternate stop and run.
Fig. 3-20: Emergency stop circuit
MELSERVO J2-Super
"Servo ON" command accepted
Main circuit and
ON
control circuit
OFF
ON
Base circuit
OFF
ON
OFF
(from controller)
Emergency stop
(3s)
60m s
Servo amplifier
VDD
COM
EM1
SG
Connection
10m s
60m s
S000979C
S000980C
3 - 19
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