1. Overview

This document provides detailed technical specifications, operational parameters, wiring diagrams, and environmental requirements for ESDA and TSTA series AC servo amplifiers and drivers used in motor control applications.

2. ESDA Driver Specifications

• Models: ESDA 15B, 20B, 30B, 40B (also S variants)
• Maximum Peak Current: 8.5A to 22.8A depending on model
• Maximum Rated Current: 2.8A to 7.6A
• Motor Power Range: 120W to 1.5kW
• Power Source: AC 180V~240V, single or three-phase, 50/60 Hz
• Encoder Type: Incremental, 2000~2500 pulses per revolution (ppr)
• Control Modes: Position control, speed control, torque control
• Communication Interface: RS-232C for parameter setting and status monitoring
• Display: 5-digit LED with 4 buttons
• Input Signals: Servo ON, Pulse Input Inhibit, Clear Error Counter, Rotation Reverse, Internal Speed Select
• Alarm Features: Alarm output, in-position signal, alarm history storing last 10 alarms
• Environmental Conditions: Operating temperature 0~50°C, storage -20~80°C, humidity <85% RH, vibration <1.5G
• Encoder Output: A, B, Z phase line driver outputs
• Time Constant: Adjustable 0~10000 ms for input ripple filtering and acceleration/deceleration smoothing

3. TSTA Driver Specifications

• Models: TSTA15C, 20C, 30C, 50D, 75D
• Main Circuit Power Supply: Three-phase 200~300Vac, ±10% to -15%, 50/60 Hz
• Control Circuit Power Supply: Single/Three-phase 200-230Vac, ±10% to -15%, 50/60 Hz
• Control Modes: Position (external/internal), speed, torque, and combinations (position/speed, speed/torque, position/torque)
• Encoder Resolution: Multiple options including 2000ppr to 32768ppr with feedback resolution matching
• Input Pulse: Up to 500kpps (line driver) or 200kpps (open collector)
• Position Smoothing: Ripple time constant adjustable 0~10 sec, smoothing time constant 0~10 sec
• Speed Control Range: 0 to 100% rated speed, up to 3000 rpm
• Frequency Response: Max 400 Hz
• Protection Functions: Over voltage, overload, IGBT error, encoder error, memory abnormality, emergency stop, over current, pulse deviation, over speed, CPU abnormality, overheat
• Communication Interface: RS-232 for PC or digital operator connection
• Environmental Conditions: Operating temperature 0~55°C, storage -20~85°C, humidity <85% RH, vibration <0.5G, altitude up to 1000m indoors
• Cooling System: Natural air circulation or fan cooling depending on model
• Dimensions and Weight: Provided for each model, e.g., TSTA-15C/20C approx. 206x67x185 mm, weight varies by model

4. Control and Operation Features

• Multiple control modes including position, speed, and torque with selectable parameters
• Electronic gear ratio adjustable from 1/127 to 127 for ESDA and 1~8192 for TSTA
• Preset speeds and torque limits configurable via user parameters
• Zero speed determination and servo lock functions available
• Input types supported: A-B phase, up-down pulse, direction pulse, pulse+direction, CCW/CW pulse
• Alarm and status signals include servo ready, servo alarm, zero speed, brake interlock, speed reached, positioning completed, homing completed, torque reached

5. Wiring and Connection Specifications

• Encoder Connection (CN2): Detailed pin assignments for Tamagawa and military connectors, including signals for A, B, Z phases, +5V power output, 0V, and shielded twisted-pair cables
• Motor Power Cable: Pin and color coding for U, V, W phases, DC+24V, 0V, and mechanical brake control wires
• Mechanical Brake: Specifications for control wire and brake wiring with and without mechanical brake options

6. Environmental and Installation Requirements

• Indoor installation avoiding direct sunlight, corrosive smoke, oil smoke, inflammable gases, and dust
• Altitude limited to 1000 meters above sea level
• Temperature and humidity ranges as specified for operation and storage
• Vibration limits: ESDA <1.5G, TSTA <0.5G

7. Summary of Critical Parameters and Best Practices

• Ensure power supply voltage and phase match driver specifications to avoid damage
• Configure encoder resolution and electronic gear ratio according to motor and application requirements
• Use RS-232 communication for parameter tuning and monitoring to optimize performance
• Set appropriate time constants for input ripple filtering and acceleration/deceleration smoothing to improve control stability
• Monitor alarm history and status signals regularly for preventive maintenance
• Follow wiring diagrams precisely to ensure correct signal and power connections, especially for encoder and mechanical brake wiring
• Maintain environmental conditions within specified limits to ensure reliability and longevity