Specifications

Publication GMC-SG001E-EN-P — June 2001
Motors 6-59
Brake Specifications and Application Guidelines
The following section contains the Y-Series brake motor specifications and application guidelines.
Specifications
Application Guidelines
The brakes offered as options on these servo motors are holding brakes designed to hold the motor shaft
at 0 rpm up to the rated brake holding torque. The spring-set type brakes release when voltage is applied
to the brake coil.
The brakes are not designed for stopping rotation of the motor shaft. Servo drive inputs should be used to
stop motor shaft rotation. The recommended method of stopping motor shaft rotation is to command the
servo drive to decelerate the motor to 0 rpm, and engage the brake after the servo drive has decelerated
the motor to 0 rpm.
If system main power fails, the brakes can withstand use as stopping brakes. However, use of the brakes
as stopping brakes creates rotational mechanical backlash that is potentially damaging to the system,
increases brake pad wear and reduces brake life. The brakes are not designed nor are they intended to be
used as a safety device.
A separate power source is required to disengage the brake. This power source may be controlled by the
servo motor controls, in addition to manual operator controls.
Encoder Data
The following section contains the Y-Series encoder specifications.
Encoder Specifications
1
Standard line count before quadrature.
Note: Encoders are factory aligned. Do not adjust them outside the factory.
Motor Series Holding torque N-m (lb-in.) Coil current at 24V DC Amps
Y-1002 (0.157) 1.39
0.26
Y-1003 (0.32) 2.83
Y-2006 (0.637) 5.64
0.31
Y-2012 (1.274) 11.24
Y-3023 (2.38) 21.06 0.37
Specification Description
Line Counts
1
Data A+, A-, B+, B-: 2000 pulses/revolution
Index I+, I-: 1 pulses/revolution
Hall A+, A-, B+, B-, C+, C-: 2 pulses/revolution
Supply Voltage 4.75 to 5.25V DC
Supply Current 450 mA DC
Line Driver AM26LS31 equivalent
Line Driver Output
Output: Logic 1 - Sourcing 2.5V DC @ 20 mA
Output: Logic 0 - Sinking 0.5V DC @ 20 mA