1.5kW Servo Drive R88D-1SN04H-ECT with EtherCAT Communication

Omron R88D-1SN04H-ECT 1S Series Servo Drive – Precision Motion Control Solution

The Omron R88D-1SN04H-ECT represents the pinnacle of servo drive technology within Omron's acclaimed 1S series, delivering unmatched precision and reliability for industrial automation applications. This high-performance servo amplifier is specifically engineered to provide exceptional control over positioning, velocity, and torque when paired with compatible Omron servo motors. With its advanced control algorithms and robust construction, this drive is perfectly suited for demanding applications requiring sub-micron positioning accuracy and rapid dynamic response in manufacturing environments.

Comprehensive Technical Specifications

• Power Input Configuration: 200-230 VAC (±10%), single-phase, 50/60 Hz input with automatic voltage regulation
• Current Output Capability: 4.0 A continuous RMS current (3.0 A at 55°C), 12.0 A peak current (for 3 seconds maximum duration)
• Positioning Resolution: Supports high-resolution incremental encoders up to 17-bit (131,072 pulses/revolution) for micro-step positioning control
• Command Interface Options: Multiple control modes including:
  • Differential line driver pulse train input (500 kHz maximum frequency)
  • Open collector pulse input (200 kHz maximum frequency)
  • Analog voltage command (±10V DC, 14-bit resolution)
• Physical Dimensions: Compact form factor measuring 45 mm (W) × 130 mm (H) × 104 mm (D) with lightweight aluminum housing (0.8 kg)
• Power Efficiency: 400 W maximum power output with 90% typical efficiency and intelligent thermal management
• Protection Mechanisms: Comprehensive safety features including:
  • Overcurrent protection (OCP)
  • Overvoltage/undervoltage detection (OVP/UVP)
  • Thermal overload protection with automatic derating
  • Short-circuit protection
• Manufacturer Warranty: Backed by Omron's standard 1-year limited warranty against defects in materials and workmanship

Industrial Application Scenarios

• Precision Machine Tools: Ideal for CNC lathes, milling machines, and grinding equipment requiring micron-level positioning accuracy and smooth surface finishes
• Industrial Robotics: Provides the dynamic response needed for articulated robot arms, delta robots, and SCARA configurations in assembly and material handling
• Automated Packaging Systems: Enables high-speed operation for form-fill-seal machines, cartoners, and labeling systems with precise motion synchronization
• Semiconductor Manufacturing: Suitable for wafer handling, die bonding, and wire bonding equipment where vibration-free motion is critical
• Automated Test Equipment: Delivers repeatable motion profiles for product testing and quality inspection stations
• Printing and Converting: Provides registration control for web handling applications in flexographic and rotary printing presses

Detailed Technical Parameters

Technical Parameter	Detailed Specification
Product Identification	Omron R88D-1SN04H-ECT (1S Series Servo Drive)
Electrical Characteristics	200-230 VAC +10/-15%, 50/60 Hz, 1.5 kVA capacity, inrush current limited to 20A for 5ms
Output Performance	4.0 A continuous (3.0 A at 55°C ambient), 12.0 A peak (3 seconds maximum), 400W output power
Control Methodology	Space vector PWM modulation with adaptive current control and automatic gain tuning
Feedback Interface	Differential line driver (RS-422) for 17-bit incremental encoder (standard 2500-line with 4x multiplication)
Command Resolution	14-bit analog input resolution (0.61 mV/bit), 32-bit position error counter
Communication Interfaces	Encoder feedback via RS-422, compatible with Omron's proprietary communication protocols
Regenerative Handling	Requires external regenerative resistor (minimum 100Ω, 200W for typical applications)
Environmental Specifications	IP20 protection class, suitable for installation in control cabinets with proper ventilation
Operating Environment	0°C to 55°C (32°F to 131°F) with derating above 40°C, 20% to 80% relative humidity (non-condensing)
Storage Conditions	-20°C to 65°C (-4°F to 149°F) in original packaging, 10% to 90% relative humidity
Mechanical Durability	Vibration resistance: 4.9 m/s² (0.5G) at 10-60 Hz in all axes Shock resistance: 19.6 m/s² (2G) for 11 ms in all axes
Regulatory Compliance	CE Marked (EMC Directive 2014/30/EU, Low Voltage Directive 2014/35/EU), UL/cUL Listed, RoHS compliant

System Integration Considerations

The R88D-1SN04H-ECT servo drive is optimized for use with Omron's R88M-1 series servo motors, ensuring perfect compatibility and performance matching. For optimal system operation, careful attention must be paid to:

• Proper motor-to-drive current rating matching
• Correct encoder cable selection and routing
• Adequate heat dissipation and cabinet ventilation
• Proper grounding and noise reduction techniques
• Correct regenerative resistor selection based on application duty cycle

Installation should only be performed by qualified personnel familiar with industrial motion control systems and local electrical codes.

Warranty and Product Support

Omron stands behind the quality of the R88D-1SN04H-ECT servo drive with a standard 1-year limited warranty covering defects in materials and workmanship. The warranty period commences from the date of original purchase by the end user. Proper installation and operation within published specifications are required to maintain warranty coverage. Proof of purchase from an authorized Omron distributor is required for any warranty claims.