FHA-C Series - Harmonic Drive LLC

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Chapter 4 Options4-2 Brake for motor (option code: B)FHA-C series actuators are possible to equip a brake on the motor shaft to hold its position during no power supply.The brake of FHA-C series actuator provides two coils for activating and for holding respectively to decrease the current during holding by anelectric circuit in the actuator.Use a DC power supply having proper output voltage and enough capacity for activating current presented in the table below.4-2-1 Specifications for incremental encoder systemModel FHA-17C FHA-25C FHA-32C FHA-40CItem 50 100 160 50 100 160 50 100 160 50 100 160TypeDry-type non-excitation electro-magnetic brake with activating coil and holding coilPower supply V DC24V +/-10%; no-polarity; note 1Activating current(20 ºC);note 2A 1.0 1.1 1.2 1.3Holding current(at 20 ºC)A 0.15 0.15 0.2 0.25Holding torque; N·m 24 49 78 49 98 157 75 150 240 108 216 345note 3 kgf·m 2.5 5 8 5 10 16 7.7 15 24 11 22 35Actuator inertia GD2/4)converted for output kg·m 2 0.24 0.96 2.5 1.0 4.1 10.6 2.1 8.4 22 5.5 22 57flange; note 3(J)kgf·cm·s 2 2.4 9.8 25 10 42 110 21 86 220 56 230 580Mass of actuator; note 4 kg 2.9 4.8 7.4 14Service time for normalholding; note 5100,000 timesService time foremergency stop; note 6200 timesNote 1:Power supply is user’s responsibility. Use a DC power supply having proper output voltage and enough capacity for activatingcurrent presented in the table above.Note 2:Note 3:Note 4:Note 5:Note 6:The duration for activating current is less than 0.5 second for the power supply of DC24V±10%.The values are converted for the output flange.The values present total mass of the actuator.The service time for normal holding is assured when the brake activates at motor speed of 150 r/min or less.The service time for emergency stop is assured when the brake activates at motor speed of 3000 r/min or less.!CAUTIONDo not use the holding brake exceeding the service times for normal holding(100,000 times at the motor speed of 150r/min or less) nor for emergency stop(200 times at the motor speed of 3000r/min or less).Over service beyond a limited time may deteriorate holding torque, and mayconsequently become out of use as a brake.4-2-2 Brake leadsBrake leads are included with motor leads in a motor cable. Leads are distinguished by the colors shown in the table below.Color Red White Black Green/yellow Blue Yellow shieldLead Motor-U Motor-V Motor-W PE Brake Brake FGNote: the brake has no polarity.35
Chapter 4 Options4-3 Cable-end connectors (option code: C)Connectors, optionally attached to the end of both cables of the motor and the encoder, are convenient for connection with theHA-655 or HA-675 driver using with the optional extension cables for the driver.The option is effective as measures for noise suppression and additionally increases connection reliability.• Connector for motor cable:receptacle: 5557-08R; female terminal: 5556PBTLmanufactured by Molex(recommended connector for extension motor cable:plug: 5559-08P; male terminal: 5558 manufactured by Molex)• Connector for incremental encoder cable:09-0009-02-04 manufactured by Franz Binder(recommended connector for extension encoder cable: 09-0010-02-04)• Connector for absolute encoder cable:09-0471-02-08 manufactured by Franz Binder(recommended connector for extension encoder cable: 09-0472-02-08)4-4 Cramp for output (option code: D)The optional cramp fixes the output member of the actuator with high cramping torque. The exclusive mechanism usingour machine processing technique for thin cylinder produces the cramps for applications, such as fixing a small work pieceduring machining or assembling.• Applicable actuator: FHA-17C, FHA-25CFor details, refer our technical document for FHA-C actuator with cramp.Harmonic Drive LLC 800-921-333236
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Page 40 and 41: Chapter 4 Options4-5 5 meter cables
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FHA-C Series - Harmonic Drive LLC

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