0-58706-3E RELIANCE

Reliance 0-58706-3E Operator unit

Brand：RELIANCE Model number：0-58706-3E

Country of origin: United States Product weight：0.55kg

HS code：9032899099

Product Details：

Product Dimensions：

A RELIANCE Operator Unit refers to a Human-Machine Interface (HMI) device manufactured by Reliance Electric (now part of Rockwell Automation). These units were designed to provide operators with a visual and interactive means to monitor, control, and troubleshoot industrial machinery and processes. They served as the primary interface between the human operator and the underlying automation system (e.g., PLCs, drives).

Product Details

Functionality:

Data Display: Present real-time process data, alarms, trends, and diagnostic information in a graphical or text-based format.
Control Input: Allow operators to input commands, change setpoints, start/stop processes, and navigate through different screens using buttons, keypads, or touchscreens.
Alarm Management: Display active and historical alarms, indicating process anomalies or equipment faults.
Recipe Management: Store and allow selection of different production recipes or operating parameters.
Trending: Visualize historical data to analyze process performance over time.
Reporting: Generate basic reports on production data or events.

Physical Characteristics:

Typically panel-mounted devices, designed for integration into control cabinets or operator consoles.
Featured a display screen (often monochrome or limited color in older models, transitioning to full color TFT LCDs in later iterations).
Included various input methods: membrane keypads, function buttons, numeric keypads, and increasingly, touchscreens.
Industrial-grade construction to withstand harsh operating environments (dust, vibration, temperature fluctuations).

Product Parameters (Typical, as specific models varied widely)

Display:

Type: LCD (monochrome, STN color, or TFT color).
Size: Ranging from small 3-inch displays to larger 15-inch or more.
Resolution: Varying from low-resolution text displays to higher-resolution graphical displays (e.g., 320x240, 640x480 pixels).
Backlighting: CCFL or LED backlighting.

Input Method:

Membrane keypad, pushbuttons, numeric keypad, resistive touchscreen.

Communication Interfaces:

Serial: RS-232, RS-422/485 for connecting to PLCs (e.g., Allen-Bradley's DH-485, DH+, or Modbus RTU).
Ethernet: Later models incorporated Ethernet for faster communication and network integration (e.g., EtherNet/IP).
USB: For program download and data transfer.

Memory:

Internal memory for storing application programs, screens, recipes, and log data.

Processor:

Embedded microprocessors optimized for HMI functions.

Power Supply:

Typically 24V DC, sometimes 120V AC or 230V AC.

Environmental Ratings:

Operating Temperature: Typically 0°C to 50°C (32°F to 122°F).
Enclosure Rating: NEMA 4X / IP65 for front panel, protecting against dust and splashes.

Product Advantages (at the time of their prominence)

Improved Operator Efficiency: Provided a centralized, intuitive interface for managing complex processes, reducing the need for manual checks and physical interaction with machinery.
Enhanced Diagnostics: Offered immediate visibility into machine status and alarms, enabling faster troubleshooting and reduced downtime.
Data Visualization: Presented process data in an easily understandable graphical format, facilitating better decision-making.
Reduced Wiring Complexity: Replaced numerous discrete indicators and pushbuttons, simplifying control panel wiring.
Flexibility: Software-configurable screens and functions allowed for easy modification and adaptation to changing process requirements without hardware changes.
Integration with Reliance/Allen-Bradley Systems: Designed for seamless communication and integration with Reliance Electric (and later Allen-Bradley) PLCs and drives.

Important Considerations

Legacy Product Status: As Reliance Electric was acquired by Rockwell Automation, these specific "RELIANCE Operator Units" are generally considered legacy or discontinued products. Support, spare parts, and new development for these older units may be limited.
Software Compatibility: Programming software for these units would be specific to the Reliance Electric ecosystem. Migrating to modern HMIs often requires re-development of the HMI application.
Technological Advancement: Modern HMIs (like Rockwell Automation's PanelView Plus or VersaView) offer significantly more features, higher resolution displays, improved communication options, and enhanced cybersecurity.
Environment: While rugged, ensure the unit's environmental ratings match the actual operating conditions (e.g., extreme temperatures, vibration, corrosive atmospheres).
Operator Training: Proper training is essential for operators to effectively utilize the HMI's features and understand the displayed information.

Product Applications

RELIANCE Operator Units were widely used across various industrial sectors where human interaction with automated machinery was required. Examples include:

Manufacturing:

Machine control panels (e.g., CNC machines, packaging lines, assembly lines).
Process monitoring in discrete manufacturing.

Process Industries:

Control rooms in chemical plants, food and beverage facilities, water treatment plants.
Monitoring and controlling batch processes.

Material Handling:

Operator stations for conveyors, automated storage and retrieval systems (AS/RS).

Packaging:

User interfaces for packaging machines, fillers, and labelers.

Textile Industry:

Control panels for looms, dyeing machines, and finishing equipment.

Building Automation:

Supervisory panels for HVAC systems, lighting control, and access control in larger facilities.

45C17B RELIANCE

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