1. General Description

2. Model Definition

• 64WKS: 60WKS series four-quadrant analog servo amplifier

• M240: DC link voltage 240 VDC

• 70: 70 A continuous output current

• RLG: Custom option package

  • R: Resolver and tachometer position decoding

  • L: Integrated 24 V control logic power supply

  • G: Enhanced regenerative braking and generator mode control

3. Technical Specifications

Power Input

• Three-phase AC input: 60–172 VAC

• Frequency: 50 / 60 Hz

• DC link voltage: 240 VDC

Output Performance

• Continuous Output Current: 70 Arms

• Peak Output Current: 140 Arms

• Operation Mode: 4-quadrant regenerative operation

• Integrated brake chopper with regenerative braking function

Control and Feedback

• Control Command: ±10 V analog signal for speed or torque control

• Supported Feedback: Resolver, DC tachometer

• Control Loop: PI speed loop and PI current loop

• Equipped with enable input and fault relay output

Protection Functions

• Over-current, over-voltage, under-voltage and over-temperature protection

• Short circuit and ground fault protection

• Built-in fuse protection for DC link and auxiliary circuits

Environmental and Mechanical

• Protection Class: IP00

• Cooling Method: Natural convection with optional external fan

• Operating Temperature: 0 °C ~ +45 °C

• Installation: 19-inch standard cabinet rack mounting

4. Key Features

• High 70A continuous current for medium and high power servo applications

• RLG integrated design supports resolver feedback and built-in 24V logic power

• Excellent dynamic response and stable speed regulation

• Four-quadrant regenerative operation suitable for high inertia and vertical load applications

• Rugged industrial design for long-term stable operation

5. Compatible Motors

• Kollmorgen Seidel 240 VDC high-power brushed DC servo motors

• Brushless servo motors with resolver or tachometer feedback

• Other 240V class industrial DC and BLDC servo motors

6. Application Fields

• Heavy-duty CNC machine tools and machining centers

• Industrial robots and handling automation systems

• Printing, textile, packaging and plastic machinery

• High dynamic special industrial automation equipment