Description The Control Techniques UD53 is a resolver interface module designed for use with Unidrive systems to enable precise motor feedback integration. It provides a 6 kHz excitation output and supports resolver-based feedback for accurate position and speed control. This module enhances closed-loop performance in servo and vector control applications. Technical Specifications Condition New/Never Used Surplus Brand Control Techniques Category Industrial Control Components Part Number UD53 Subcategory Resolver Interface Modules Product Type Resolver Option Module Product Line Unidrive Compatibility Unidrive Classic Operating Modes Closed-loop vector, Closed-loop servo Output Frequency 6 kHz Output Voltage 4V RMS or 6V RMS (programmable) Max Current (Terminal 53) 200 mA Resolver Input Impedance >85 Ω at 6 kHz Resolver Turns Ratio 3:1 or 2:1 Connection Type 16-way screw-terminal block Max Voltage SIN/COS (Low) ±4 V Max Voltage SIN/COS (High) ±12 V Operating Temperature 0 to +50 °C Storage Temperature -40 to +50 °C Humidity 95% RH (non-condensing) Size Category Small Module Weight 1.00 lbs Information About UD53 The UD53 is part of the Unidrive accessory range, specifically developed to interface resolver feedback devices with compatible Unidrive Classic drives. It enables closed-loop vector and servo control by converting resolver signals into usable feedback for the drive’s control system. The module features a compact design with a 16-way screw-terminal connection for secure wiring and supports resolver excitation voltages of 4V or 6V RMS. Designed for industrial environments, it operates reliably within standard temperature and humidity ranges while maintaining high signal integrity for precision control. Key Features: Resolver Feedback Interface: Enables integration of resolver signals for precise motor position and speed control 6 kHz Excitation Output: Provides stable resolver excitation frequency for accurate signal generation Programmable Output Voltage: Supports 4V RMS or 6V RMS excitation levels for compatibility with different resolvers Closed-Loop Control Support: Enables both closed-loop vector and servo operation modes High Compatibility: Designed for use with Unidrive Classic systems Secure Terminal Connection: Features a 16-way screw-terminal block for reliable wiring Wide Environmental Tolerance: Operates from 0 to +50°C with up to 95% non-condensing humidity Compact Module Design: Small form factor allows easy integration into drive systems The UD53 delivers the reliability and precision required for resolver-based feedback integration in advanced motor control systems.
