Mitsubishi Electric MELSERVO-J4 Series Instruction Manual page 441

• Timing chart when both of the main and control circuit power are off
Servo motor speed
ON
Base circuit
OFF
MBR (Electromagnetic ON
brake interlock)
OFF (Valid)
ON
ALM (Malfunction)
OFF
ON
Main circuit
Power
Control circuit
OFF
ON
DB (Dynamic
brake interlock)
OFF
Disabled
Dynamic brake
Enabled
*1 When powering off, DB (Dynamic brake interlock) will be turned off, and the base circuit is turned off earlier than usual before an output
shortage occurs.
(Only when DB is assigned as an output signal)
*2 Variable according to the operation status.
Coasting
7 ms *1
10 ms
*2
15 ms to 60 ms
Dynamic brake
Electro magnetic
brake interlock
Electro magnetic
brake operation
delay time
11 OPTIONS AND PERIPHERAL EQUIPMENT
11.17 External dynamic brake
11
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