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Omron R7 R7D-APA3L

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R7D-APA3L

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The Omron R7D-APA3L is an effective servo driver tailored to 100-V AC input requirements. This device is specifically compatible with the R7M-A03030 servomotor, rated for 30 watts of power.

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Technical specifications for R7D-APA3L

ManufacturerOmron
Product TypeServo driver with 100-V AC input
Product LineR7
Part NumberR7D-APA3L
Weight2.00 lbs (0.91 kg)
Compatible Servomotor ModelR7M-A03030
Supported Servomotor Power Rating30 watts
Unit MassApproximately 0.8 kilograms
Continuous Output Current (rms)0.42 amperes
Peak Output Current (rms)1.3 amperes
Main Power InputSingle-phase 100/115 V AC (range: 85 to 127 V), frequency: 50/60 Hz
Control Power InputSingle-phase 100/115 V AC (range: 85 to 127 V), frequency: 50/60 Hz
Power Dissipation (Main Circuit)3.1 watts
Power Dissipation (Control Circuit)13 watts
Control TechniqueAll-digital servo
Speed SensingIncremental encoder providing 2,000 pulses per revolution
Switching TechniquePulse-width modulation (PWM) utilizing insulated-gate bipolar transistors (IGBT)
Switching Frequency11.7 kilohertz
Maximum Pulse Input Rate250 kilopulses per second

The Omron R7D-APA3L model is engineered as a precision servo driver for use with specific servomotor configurations. It operates primarily with a single-phase main power input ranging from 85 to 127 volts AC, making it versatile across different environments that conform to this voltage standard. The control power input also mirrors this specification, simplifying installation and setup.

Weighing around 0.8 kilograms, the unit is relatively lightweight, contributing to simplified handling and integration into various systems. The driver provides a continuous output current rated at 0.42 amperes, with the capability to handle a peak output current of up to 1.3 amperes, effectively supporting demanding applications.

The R7D-APA3L's efficiency is augmented by its low power dissipation figures, with only 3.1 watts lost in the main circuit and 13 watts in the control circuit. Speed-sensing is achieved through an incremental encoder, delivering feedback with a resolution of 2,000 pulses per revolution, enhancing control precision.

For modulation, the driver utilizes an advanced pulse-width modulation (PWM) technique, benefiting from insulated-gate bipolar transistors (IGBT) for optimal performance. The effective switching frequency stands at 11.7 kilohertz, further ensuring smooth operation. The driver can handle a maximum pulse input rate of 250 kilo pulses per second, making it highly responsive in dynamic applications.