Product Overview

• 1394-AM04 is a digital AC servo axis module from Allen-Bradley’s 1394 series
• Designed for single-axis motion control in multi-axis systems
• Compatible with 1326AB series AC servo motors

• Status: Discontinued / Obsolete – no longer in production

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Core Features

• High precision speed regulation: ≤0.05% of base speed at full torque
• SERCOS digital interface for high-speed motion communication
• Incremental encoder feedback (A/B/Z quadrature) supported
• Over-current, over-voltage, under-voltage, over-temperature protection
• LED indicators for power, fault, and module status

• Modular design for easy system integration and replacement

Technical Parameters

• Brand: Allen-Bradley / Rockwell Automation
• Part Number: 1394-AM04
• Series: 1394 Digital AC Multi-Axis Motion System
• Type: Single-axis servo amplifier
• DC Input: 530–680 VDC, 4.8 A
• AC Output: 3-phase 310/390 VAC, 0–240 Hz
• Continuous Current: 4.5 A
• Peak Current: 9 A
• Continuous Power: 2.4 kW @310 VAC; 3.0 kW @390 VAC
• Modulation Frequency: 5 kHz ±10%
• Efficiency: 98%
• Weight: ~4.45 kg (9.81 lbs)
• Operating Temperature: 0°C to +40°C
• Storage Temperature: -40°C to +85°C

• Certifications: CE, UL, CSA

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Applications

• High-speed positioning and CNC machinery
• Machine tools, packaging, and material handling equipment
• Robotics and automated assembly lines

• Retrofit and maintenance of existing 1394-series motion systems

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Replacement Recommendation

• Common replacement series: Allen-Bradley Kinetix 5500/5700
• Recommended replacement part: 2198-H040-ERS (Kinetix 5700 servo drive)
• For direct 1394-series replacement: 1394C-AM04 (if available)