67ZA050A581S00

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The 67ZA050A581S00 is an air-cooled servo amplifier with screw terminal connections and approximately 50A inferred current rating. Manufactured by Sanyo Denki, it belongs to the BL Super Servo Amplifiers series. Its primary function is converting control signals into power drive outputs for servo motors.

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Product Description:

The 67ZA050A581S00 is a BL super servo amplifier designed for precise motor control by Sanyo Denki. It efficiently converts control signals into power drive outputs for servo motors. The 67ZA0 servo amplifier supports position, velocity and torque control modes for flexible operation. It is compatible with brushless servo motors to ensure high performance.

The 67ZA050A581S00 servo amplifier’s inferred current rating is 50 A and operates within an input voltage range of 170 to 253 VAC for 200V models while it also supports 85 to 127 VAC input for 100V models. The 67ZA0 servo amplifier uses air-cooled method while an integrated cooling fan enhances thermal management under heavy loads. It features overcurrent and thermal protection to give fault prevention including overload, overheating and main circuit power issues. The 67ZA0 servo amplifier has screw terminals to allow secure and easy wiring. It provides multiple input/output options for enhanced connectivity and makes communications through RS-232 and RS-485 interfaces apart from remote operator compatibility feature that allows external parameter adjustments. The 67ZA0 servo amplifier supports incremental and absolute encoders for feedback accuracy. It has a regenerative processing circuit to improve energy efficiency and also there is a surge protection included for enhanced reliability.

The 67ZA050A581S00 servo amplifier has holding brake excitation timing outputs for motor control. It has firmware update capability and LED diagnostic indicators provide real-time status updates. It withstands vibration up to 0.5 G and shock up to 1 G. The ambient operating temperature range is 0°C to 55°C and storage conditions support -20°C to 85°C temperatures. The 67ZA0 servo amplifier functions reliably at altitudes up to 1000 meters.

Communication Interfaces
RS-232, RS-485
Cooling Method
Air cooling
Encoder Feedback
High precision
Input Frequency
50/60 Hz
Input Voltage (100V)
85–127 VAC
Input Voltage (200V)
170–253 VAC
Max Operating Altitude
1000 m
Model Code
581S00
Operating Temperature
0–55°C
Primary Function
Signal-to-drive conversion for servo motors
Protection Features
Overcurrent, thermal protection
Rated Current
50 A
Shock Resistance
1 G
Terminal Connection
Screw terminals
Vibration Resistance
0.5 G

Frequently Asked Questions about 67ZA050A581S00:

Q: How does the regenerative processing circuit improve efficiency in the 67ZA050A581S00 servo amplifier?

A: The regenerative circuit recycles excess energy during motor deceleration, reducing power loss and enhancing overall system efficiency. This feature also minimizes heat buildup, improving performance.

Q: Why does the 67ZA050A581S00 servo amplifier support both RS-232 and RS-485 communication?

A: RS-232 allows simple, direct connections, while RS-485 supports multi-device networking over longer distances. This flexibility ensures integration into various control systems.

Q: How does the overcurrent protection feature in the 67ZA050A581S00 enhance reliability?

A: The amplifier detects excessive current flow and shuts down to prevent damage to the motor and drive circuits. This prevents system failures due to electrical faults.

Q: Why is air cooling used in the 67ZA050A581S00 servo amplifier?

A: Air cooling, supplemented by an integrated fan, maintains optimal operating temperatures under heavy loads. This design extends lifespan without requiring complex liquid cooling systems.

Q: Why does the 67ZA050A581S00 support both incremental and absolute encoders?

A: Incremental encoders offer cost-effective feedback, while absolute encoders retain position data even after power loss, ensuring uninterrupted precision.


Internal Product Review

  • ‘‘The 67ZA050A581S00 servo amplifier is a powerful solution for demanding servo motor applications. Its holding brake excitation timing improves motor control accuracy, while LED diagnostics enable real-time status monitoring. The air-cooled system ensures efficiency to make it a reliable choice for industrial automation.’’

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