607980-76B RELIANCE

Reliance 607980-76B Processor module

Brand：RELIANCE Model number：607980-76B

Country of origin: United States Product weight：0.55kg

HS code：9032899099

Product Details：

Product Dimensions：

Reliance Electric processor modules served as the central processing units (CPUs) for their industrial control systems, particularly the renowned AutoMax Programmable Logic Controller (PLC) series. These modules were responsible for executing control logic, managing data, and coordinating operations across various industrial processes.

Product Details

Core Function: The processor module is the "brain" of the PLC system. It executes the user-defined application program (ladder logic, BASIC, control block), processes input signals from sensors, determines output commands, and communicates with other modules (like I/O modules, communication modules) within the rack and across networks.
Architecture: Reliance AutoMax processor modules were typically based on Motorola microprocessors (e.g., Motorola 68010, 68020), which were powerful for their time, enabling efficient execution of complex control algorithms.
Programming Languages: They supported various programming languages, providing flexibility for different application needs:

Ladder Logic: The traditional and most common PLC programming language, mimicking electrical relay logic.
BASIC: A high-level programming language for more complex computations and data manipulation.
Control Block: A graphical programming language, often used for process control.

Modular Design: These modules plugged into a backplane of an AutoMax rack, allowing for a modular and expandable system. Multiple processor modules (typically up to four) could be used in a single rack to increase processing capability and available memory for application tasks.
Communication: They featured serial communication ports (e.g., RS-232C) for connecting to programming terminals (PCs) and other devices. Advanced versions also supported network communication.
Diagnostics: Equipped with LED indicators (e.g., "BAT. OK," "OK") and seven-segment error code displays for system status and diagnostic purposes, aiding in troubleshooting.
Memory: Included onboard RAM for application programs and data, often with battery backup to retain program and data in case of power loss.

Product Parameters (Example: AutoMax 6010 Processor Module - 57C430B)

Microprocessor: Motorola 68010 (16-bit) or 68020 (32-bit) depending on the specific module.
CPU Speed: Typically in the range of 8 MHz to 25 MHz for different models.
Memory:

Application program memory (e.g., 135K to 300K available for user programs).
RAM with parity (e.g., 256K, 512K).
Battery-backed RAM for data retention.

Communication Ports:

Multiple RS-232C serial ports (e.g., two independently-isolated 25-pin "D" shell connectors).
Support for specific Reliance networks (e.g., R-NET).

Power Requirements: Derived from the AutoMax rack backplane.
Rack Slots: Designed to fit into specific slots within the AutoMax rack (e.g., slots 0-4).
Operating Temperature: Designed for industrial environments, typically -0°C to 60°C (standard industrial range).

Product Advantages

Robustness and Reliability: Built for harsh industrial environments, offering long-term stable operation and reducing downtime.
Processing Power: Provided significant processing capabilities for their time, allowing for complex control algorithms and managing large datasets.
Scalability: The modular architecture enabled users to expand their control systems by adding more I/O modules or even additional processor modules in the same rack, increasing processing power and I/O capacity.
Versatile Programming: Support for ladder logic, BASIC, and control block programming offered flexibility for different types of control tasks and user preferences.
Integrated Diagnostics: Onboard LEDs and diagnostic codes simplified troubleshooting and system monitoring.
Legacy Support: For many years, these systems were widely used, and knowledge of their operation and maintenance was readily available.

Important Considerations

Obsolete Technology: Reliance Electric's PLC division was acquired by Rockwell Automation. While some parts may still be available from third-party suppliers or for repair, these systems are largely considered legacy or obsolete. Finding direct support, new modules, or contemporary programming software can be challenging.
Migration Planning: For critical applications, users with Reliance AutoMax systems should consider migration strategies to modern PLC platforms to ensure long-term support, availability of parts, and enhanced capabilities.
Programming Environment: Requires specific legacy programming software and cables, which might be difficult to acquire or run on modern operating systems.
Spare Parts: Availability of spare parts is limited and often comes from the surplus market.
Cybersecurity: Older control systems, including these, were not designed with modern cybersecurity threats in mind. Networked AutoMax systems would require significant security considerations if still in use.

45C-363 RELIANCE

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