Part Number: UM351D; Product Name: DAIHEN Nachi Industrial Servo Driver Board
Brand: DAIHEN Nachi (A joint collaboration of DAIHEN and Nachi, focusing on high-precision servo control systems, providing reliable drive solutions for industrial automation equipment);
Product Status: Original New Unit; Product Category: Industrial-Grade Servo Driver Board, designed for precise motion control, torque regulation, and speed stabilization of servo motors in automated production equipment.
Core Application: Specifically compatible with Nachi servo motors and mainstream industrial control systems; widely used in CNC machine tools, industrial robots, precision assembly lines, material handling equipment, and other scenarios requiring high positioning accuracy and fast response.
Core Features: Multi-mode control capability (position/speed/torque); High-precision encoder feedback support; Strong anti-interference performance; Rich protection functions; RS-232/RS-485 communication compatibility; Compact industrial design.
2. Hardware Configuration Specifications
2.1 Core Control & Processing Capability
Control Core: Embedded Industrial-Grade Servo Control Chip (Optimized for Nachi Motion Algorithm); Positioning Precision: Up to 0.001 mm (Dependent on Matching Encoder);
Encoder Compatibility: Support Absolute Encoder and Incremental Encoder; Encoder Resolution: Up to 131072 Pulses/Rev (Configurable via Parameters).
2.2 Interface Configuration
Digital I/O Interfaces: 8 Digital Inputs (Optically Isolated, DC 24V), 6 Digital Outputs (Transistor Output, 0.5A/Channel); Analog Input Interfaces: 2 Channels (4-20 mA DC, 0-10 V DC Configurable for Speed/Torque Control);
Communication Interfaces: 1 × RS-232 Serial Port, 1 × RS-485 Serial Port (Support Modbus RTU/ASCII Protocol, Baud Rate Configurable); Motor Interface: 3-Phase AC Output (U/V/W) for Servo Motor Connection; Encoder Interface: Dedicated CN2 Terminal for Encoder Feedback Signal.
3. Electrical Specifications
3.1 Power Supply Parameters
Input Voltage: 3-Phase AC 220V ± 10% (50/60 Hz) or Single-Phase AC 220V ± 10% (Configurable); Rated Output Current: Up to 5 A (Continuous), 10 A (Peak);
Power Consumption: ≤ 1.5 kVA (Rated Operation); Voltage Protection: Over-Voltage Protection ≥ 280V AC, Under-Voltage Protection ≤ 180V AC, Reverse Polarity Protection, Over-Current Protection (≥ 12 A).
3.2 Signal Characteristics
Isolation Voltage: ≥ 2500 Vrms (Between Signal, Power, and Ground); Input Impedance: ≥ 1 MΩ (Analog Input), ≤ 100 Ω (Digital Input);
Communication Baud Rate: RS-485 Port up to 38400 bps (Software Configurable via Parameters Pn064~Pn071); Signal Response Time: ≤ 1 ms; Pulse Input Frequency: Up to 500 kHz (Position Control Mode).
