Product Type: Digital Servo Drive / Servo Amplifier — Torque-Optimized Variant

DC Bus Voltage Range: 18 VDC to 36 VDC (Nominal 24 VDC)

Continuous Output Current: 6 A RMS per Phase

Peak Output Current: 18 A RMS per Phase (3x rated, 3 seconds)

Max Output Power: Approx. 430 W (at 24 VDC bus, 6 A continuous)

PWM Switching Frequency: 16 kHz (Default for T-Variant), Configurable 8 kHz / 16 kHz / 20 kHz

Current Loop Bandwidth: 2.0 kHz (-3 dB) — Enhanced vs. Standard AKD (1.2 kHz)

Velocity Loop Bandwidth: 300 Hz (Typical — Enhanced for T-Variant)

Position Loop Bandwidth: 125 Hz (Typical)

Command Interfaces:

• EtherCAT (Primary, 100 Mbps)
• CANopen (Secondary, 1 Mbps)
• Cyclic Synchronous Torque (CST) Mode — Primary Optimized Mode for T-Variant
• Cyclic Synchronous Position (CSP) Mode
• Cyclic Synchronous Velocity (CSV) Mode
• Profile Torque Mode
• Analog ±10V Torque Command
• Pulse & Direction (Up to 4 MHz)

Feedback Inputs:

• BiSS-C (Up to 20 Mbps)
• EnDat 2.2
• Hiperface DSL
• Incremental Encoder (A/B/Z, Up to 10 MHz)
• Sine/Cosine (1Vpp, 128-1024 Cycles/Rev)

Digital I/O: 8 Inputs / 4 Outputs (24 VDC, Opto-Isolated)

Analog I/O: 2 Analog Inputs (±10V, 16-Bit) / 1 Analog Output (±10V, 12-Bit)

Safety Features:

• Safe Torque Off (STO) — IEC 61800-5-2, SIL2 / PLc
• Safe Stop 1 (SS1)
• Safe Stop 2 (SS2)

Regeneration: External Braking Resistor Required

Protection: Overcurrent (<10 µs), Overvoltage (>40 VDC), Undervoltage (<15 VDC), Overtemperature (125°C), Short-Circuit, Ground Fault

Communication Protocols: EtherCAT (CoE, SoE, FoE), CANopen (PDO, SDO), Modbus RTU

Enclosure Rating: IP20 (Chassis Mount, Fan Cooled)

Operating Temperature: 0°C to +50°C (Derate above 40°C at 2%/°C)

Dimensions (W x H x D): Approx. 80 mm x 120 mm x 145 mm

Weight: Approx. 1.2 kg

Cooling: Internal Fan, Forced Air (Bottom-to-Top)

Key Features:

• T-Variant features 2.0 kHz current loop bandwidth (67% higher than standard AKD) — optimized for high-torque, low-speed applications such as winding, tensioning, and press machines
• Cyclic Synchronous Torque (CST) mode is primary operating mode — provides deterministic torque control with <100 µs latency
• Enhanced auto-tune algorithm specifically optimized for torque-mode applications
• ICA configuration provides full EtherCAT real-time motion with STO safety
• 6 A continuous output at 24 VDC — ideal for medium-torque servo motors (AKM S600 / S700 up to 750W class)

Applicable Industries: Winding Machines, Tension Control, Press Brakes, Injection Molding (Clamp Unit), Extruders, Torque-Controlled Robot Joints

Installation Requirements:

• Mount vertically with minimum 50 mm clearance above and below
• EtherCAT cable: Kollmorgen AKD-ECAT-xx, shielded twisted pair, max 100 m
• Braking resistor: minimum 10 Ω, 80 W (24V/6A system)
• Chassis screws: 4x M4, torque to 3.0 Nm