RELIANCE 57421 AutoMax Pulse Tach Input Module

✔The Reliance Electric 57421 is a high-performance AutoMax 6011 processor module designed for complex real-time industrial automation control. As the "brain" of the Reliance Electric AutoMax distributed control system (DCS), this module executes user-defined control logic, manages system-wide communications, and coordinates I/O processing across multiple racks. It is built for mission-critical applications in steel manufacturing, paper processing, and large-scale material handling. Known for its reliability in harsh industrial environments, it delivers high-speed processing and deterministic control to meet the demands of high-precision motion and sequential control applications.

🔨Key Specifications

• ✔Manufacturer: Reliance Electric (Rockwell Automation)
• ✔Model / Part Number:57421
• ✔Product Series: AutoMax 6011 Distributed Control System
• ✔Product Type: CPU / Processor Module
• ✔Processor Architecture: High-speed 16/32-bit microprocessor (Intel 80188 family, 20 MHz) optimized for real-time control
• ✔System Compatibility: Fully integrated into the Reliance Electric AutoMax 6011 rack system
• ✔Execution Speed: Deterministic scan time for high-speed logic and motion control
• ✔Memory: 512 KB non-volatile parity RAM for control applications
• ✔Communication Ports: Dedicated RS-232C programming interface, peer-to-peer network connection, and I/O communication port
• ✔I/O Capacity: Up to 1024 I/O points
• ✔Power Input: 3 A at 5 VDC, supplied directly by the AutoMax rack backplane
• ✔Operating Temperature: 0 °C to 60 °C (industrial-rated)
• ✔Humidity: 5–90% non-condensing
• ✔Diagnostics: Onboard status LEDs for real-time fault identification and run monitoring
• ✔Programming Support: Compatible with Reliance Electric AutoMax programming software
• ✔Reliability: Rugged construction resistant to EMI and vibration

✔Main Products

We specialize in supplying original imported spare parts for DCS, PLC, robotics, and large servo systems from leading global brands, including:

• FOXBORO | EMERSON | TRICONEX | XYCOM | BENTLY
• ROCKWELL | ABB | GE | Aen-Brady | YOKOGAWA
• HONEYWELL | RELIANCE | SCHNEIDER | MODICON
• Westinghouse | WOODWARD | Motorola | Rexroth | SEW

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