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SV200 AC Servo Drive User Manual
920-0096H
2/6/2018
4.4 Electromagnetic Brake
When motor drives a vertical axis, a brake should be used to prevent the load from falling by gravity when power is removed.
NOTE: Only use servo motor brake for holding when motor is disabled or AC is off.
4.4.1 Wiring Diagram
24VDC 24VDC
Relay
Brake+
Brake-
R
Servo Drive
Relay
Brake
4.4.2 Brake Motor
When no power is applied to the electromagnetic brake, it is in locked position. Therefore, the motor shaft will not be able to rotate.
The brake coil has no polarity.
During the brake/release action, you might hear a clicking sound. This is normal..
Speciļ¬cation of brakes are as follows:
Motor Power
Type
50W 100W 200W 400W 750W
Holding Torque (Nm)
0.35 2 4.5
Coil Current (A)
0.25 0.38 0.61
Rated Voltage (V)
24VĀ±10%
Release Time
<25ms
Engage Time
<25ms
Release Voltage (V) Release Voltage18.5VDC
4.4.3 Timing Charts Of The Electromagnetic Brake
In order to prevent damage to the brake, there are delay sequences during the brake operation.
Servo-on In Put
OFF
ON
Motor Active
OFF
ON
Brake Action
OFF
ON
Brake Signal
OFF
ON
Motion Command
OFF
ON
Actual Motion
OFF
ON
Brake Release Delay
P-68 Setting
Brake Engage Delay
P-69 Setting
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