Integrated design:
Featuring a fully integrated architecture, this unit combines sensor signal processing, control logic, and drive interface functions within a compact body. It achieves a control accuracy of up to ±0.12%, ensuring precise and stable material tension control even in installations with limited space.

Multi-interface support:
Equipped with a wide range of analog, digital, and high-speed communication interfaces, the device can directly connect to tension sensors, variable frequency drives, PLCs, and other automation components. It supports standard industrial communication protocols such as Modbus RTU and Profibus DP, enabling seamless integration into existing factory automation networks.

Power Supply: Up to 90 VDC

Digital I/O: 8 optically isolated digital inputs

Certain models support up to 16 digital inputs and 16 digital outputs, depending on configuration.

Analog I/O: 8 analog inputs and 8 analog outputs

Communication Interfaces:

1 × RS-485 interface

Supports Modbus RTU and CAN bus communication protocols

Protection Functions:
Comprehensive protection against overcurrent, overvoltage, undervoltage, overload, and encoder failure

Other Features:

20 kHz chopping frequency

Automatic current reduction at standstill

Maximum drive current: 3.9 A (M840) / 7.8 A (M880)

Adjustable microstepping resolution, up to 256 subdivisions

Application Scenarios

Designed for industrial applications requiring precise material tension control, such as:

Printing and packaging machinery

Textile production lines

Metal processing equipment

Other continuous web or roll-to-roll systems

By maintaining stable and consistent tension during operation, the system improves both product quality and production efficiency.