FR-HEL-H0.75K MITSUBISHI

FR-HEL-H0.75K MITSUBISHI I / O module

Product  Description：

Mitsubishi Electric I/O (Input/Output) modules are fundamental building blocks of the MELSEC series programmable logic controllers (PLCs). These modules act as the vital communication link between the PLC’s central processing unit and the physical world. They convert incoming signals from field devices into digital data for processing and translate the CPU's logic commands into electrical signals to control machinery and equipment.

Product Parameters

The technical profile of Mitsubishi I/O modules is designed to accommodate a wide spectrum of electrical environments and signal requirements:

• Point Density: Modules are available in various configurations including 8, 16, 32, and 64 points per unit to allow for flexible system sizing and cabinet space optimization.

• Input Specifications: Common ratings include 24V DC (sink/source), 100V AC, and 220V AC, with adjustable filter times to prevent false triggering from electrical noise or contact bounce.

• Output Specifications: Options include Relay outputs for high-capacity switching (up to 2A), Transistor outputs (Sink or Source) for high-speed switching, and Triac outputs for AC load control.

• Response Time: High-speed modules feature ultra-fast response times, often under 0.1 milliseconds, suitable for precision motion control applications.

• Isolation Method: Most modules utilize optical or magnetic isolation with a rated dielectric withstand voltage of 2500V AC to protect the internal PLC bus.

• Terminal Types: Connection options range from traditional detachable screw terminal blocks to high-density 40-pin connectors and vibration-resistant spring-clamp terminals.

Product Advantages

Mitsubishi I/O modules offer distinct technical benefits that enhance the reliability of automated systems:

• Intelligent Diagnostics: Integrated status LEDs provide real-time visual feedback for every I/O point, while advanced modules can transmit error codes to the CPU for wire-breakage or short-circuit detection.

• Superior Noise Immunity: Designed for harsh industrial environments, these modules incorporate advanced filtering and shielding to maintain signal integrity near high-voltage equipment.

• Hot-Swapping Capability: Certain high-end series allow for the replacement of I/O modules without powering down the entire system, significantly reducing downtime during maintenance.

• Seamless Integration: These modules are natively compatible with Mitsubishi’s iQ Works engineering environment, allowing for easy configuration and automatic labeling of I/O points.

• High Reliability: Built with high-grade components, these modules are rated for millions of operations (relay models) or virtually infinite cycles (transistor models) under specified conditions.

Product Applications

These modules are deployed across diverse sectors to manage complex automated tasks:

• Manufacturing Assembly: Interfacing with limit switches, sensors, and pneumatic cylinders on automotive or electronics assembly lines.

• Process Control: Managing valves, pumps, and level sensors in chemical processing, water treatment, and food production plants.

• Warehouse Logistics: Controlling conveyor belt speeds, sorting arms, and automated guided vehicle (AGV) docking stations.

• Building Automation: Integrating lighting controls, HVAC dampers, and security sensors into a centralized management system.

• Energy Management: Monitoring circuit breakers and power meters in electrical distribution panels.

Important Precautions

To ensure safety and prevent hardware failure, the following guidelines must be followed:

• Wiring Polarity: When using DC transistor modules, you must verify whether the system is "Sink" (NPN) or "Source" (PNP) logic. Incorrect wiring can prevent signal transmission or damage the module circuits.

• Load Protection: Always install an external surge suppressor or freewheeling diode when driving inductive loads like solenoid valves to prevent back-EMF from damaging the output transistors.

• Current Capacity: Be mindful of the "Common" pin current limit. Even if individual points are below their limit, the total current flowing through a shared common terminal must not exceed the module's rated capacity.

• Environmental Sealing: If the environment is prone to oil mist or conductive dust, the PLC rack must be housed in an IP54 or higher rated enclosure to prevent internal tracking or short circuits.

• Separation of Cables: Route I/O signal lines separately from high-voltage power cables (at least 100mm apart) to avoid electromagnetic interference that could cause erratic signal behavior.

The structure and details of the product：

Our services：

Shipping Port:  China

Payment: Bank of Chicago, Bank of Singapore

Express cooperation: fedex, DHL, UPS and your express account

Service: Professional Sales provides 24 hours /7 days online service

Warranty: one year

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