MCAC825-23B Low-Voltage Servo Drive 50A, 24-80 VDC

Low-Voltage Servo Drive 50A with Extended 80 V Bus

The MCAC825-23B is a Low-Voltage Servo Drive 50A unit that accepts a 24-80 VDC supply with a 50 A maximum output, the wider voltage envelope in this set. This suits systems running at higher DC rails while retaining low-voltage safety advantages over mains servo drives.

Feedback and Dynamic Response

Incremental and absolute encoder support lets the builder match feedback to the machine. The ARM+FPGA current loop and 625 kHz sampling deliver fast response with three selectable PWM frequencies for clean, low-vibration operation.

Setup and Protection

Single-parameter stiffness, one-click auto-tuning, automatic vibration and resonance suppression and one-click resonance detection simplify tuning. Type-C and RS485 interfaces carry configuration; protection covers overvoltage, undervoltage, overspeed and overload.

Key Specifications

• Supply power: 24-80 VDC
• Max output current: 50 A
• Control: ARM+FPGA, optimized current loop
• Analog command inputs: 2 (−10 V to +10 V)
• I/O: 4 DI, 3 DO
• Feedback: incremental / absolute encoder
• Interfaces: Type-C, RS485

Applications

Used in Industrial Automation, packaging, robotics, inspection, semiconductor, medical instrumentation and printing. The 24-80 VDC window also makes it a natural fit for AGV drives and mobile robotics that ride on higher nominal battery rails, where the extended range provides more speed and torque headroom.

Selection Considerations

Choose this drive when your axis needs more speed headroom from an 80 V bus. Confirm the supply is regulated and the cabling is sized for 50 A peaks, then rely on the auto-tuning tools to complete commissioning with minimal engineering effort. For battery-powered platforms, verify the drive’s undervoltage threshold is compatible with the battery state-of-charge range so the axis does not trip during low-charge operation. Because the wider input range draws slightly more switching stress, keep the PWM frequency matched to the motor inductance for the lowest audible noise. A regulated 80 V rail is a straightforward way to push more speed from the same 50 A class of motors.