Description
RELIANCE 57C414 – AutoMax Modbus Communication Interface Module
Product Overview
The 57C414 is a professional Modbus communication interface module manufactured by Reliance Electric, specifically developed for the AutoMax industrial automation control system. This module acts as a critical protocol conversion and data exchange gateway, enabling seamless bidirectional communication between AutoMax controllers and third-party Modbus-compatible field devices and host systems. It resolves protocol incompatibility and isolated data transmission issues in mixed-brand industrial control architectures. Featuring stable bus transmission and embedded fault buffering capability, the RELIANCE 57C414 ensures consistent and reliable network data interaction for long-term automated industrial operations.
Technical Specifications
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Brand: RELIANCE (Reliance Electric)
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Model:57C414
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Warranty: One Year
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Condition: 100% New & Original
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Product Type: Modbus Communication Interface Module
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System Compatibility: Fully adapted to Reliance Electric AutoMax programmable automation controller systems
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Communication Protocol: Standard Modbus RTU protocol for industrial serial communication
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Core Function: Protocol conversion, cross-system data exchange, network signal bridging and transmission buffering
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Power Supply: 12 VDC on-board power supply design for internal module operation
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Transmission Performance: Stable high-speed serial data transmission with anti-data-loss buffering mechanism
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Operating Temperature: -20°C to +60°C, suitable for standard industrial control cabinet environments
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Anti-Interference Design: Industrial-grade EMC shielding, resisting on-site electromagnetic interference and signal distortion
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Installation Mode: Standard central rack mounting for AutoMax system chassis
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Operational Reliability: Supports 7×24-hour continuous industrial network communication operation

Application Scenarios
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Industrial Drive Control Systems: The 57C414 module is widely deployed in Reliance Electric variable frequency drive and motor control systems. It connects AutoMax main controllers with Modbus-based monitoring terminals and field instruments, realizing real-time drive parameter upload, remote regulation and operational data recording.
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Factory Automated Production Lines: Applied in hybrid-brand industrial automation architectures. The RELIANCE 57C414 bridges communication gaps between AutoMax systems and third-party PLCs, sensors and HMI devices, unifying equipment data interaction and improving the overall integration level of production line control systems.
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Process Industry Retrofit Projects: Ideal for legacy industrial system upgrades and reconstruction. It enables old Reliance AutoMax control hardware to connect with modern Modbus industrial networks, extending service life of original equipment and reducing renovation costs while maintaining system operational stability.






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