FX-53B MITSUBISHI

FX-53B MITSUBISHI Relay Input Module

Product  Description：

The Mitsubishi Relay Input Module is a fundamental component of the MELSEC programmable logic controller (PLC) series, designed to interface external digital signals with the internal logic of the PLC. These modules act as a bridge, converting high-voltage or varied electrical signals from field devices into a format that the PLC CPU can process. They are renowned for their ruggedness and ability to handle diverse electrical environments.

Product Parameters

While specific values vary between models (such as the Q series or iQ-R series), the general technical parameters for these modules include:

• Number of Input Points: Typically available in 8, 16, or 32-point configurations.

• Rated Input Voltage: Common ratings include 24V DC, 100-120V AC, and 200-240V AC.

• Input Current: Usually ranges between 4mA to 10mA depending on the voltage.

• Operating Voltage Range: Generally allows for a fluctuation of +10% to -15% of the rated voltage.

• Response Time: Typically features a programmable filter or fixed hardware response time (e.g., 1ms to 70ms) to prevent signal bounce.

• Insulation Method: Photocoupler or relay isolation to protect the internal PLC circuitry.

• Connection Type: Available in terminal block or connector-type interfaces.

Key Advantages

• High Reliability: Mitsubishi modules are engineered for industrial longevity, featuring high noise immunity and robust protection against electrical surges.

• Galvanic Isolation: The use of optical or mechanical isolation ensures that high-voltage spikes from the field do not damage the sensitive processor in the PLC.

• Flexible Integration: These modules are "hot-swappable" in certain configurations and easily integrated into the existing MELSEC backplane architecture.

• Diagnostic Capabilities: Most modules include LED status indicators for every input point, making it easy for technicians to troubleshoot field wiring issues at a glance.

• Global Standards: They comply with international standards such as CE, UL, and cUL, making them suitable for global machine exports.

Important Considerations and Precautions

• Wiring Safety: Always ensure the power supply is disconnected before wiring the module to prevent electrical shock or equipment damage.

• Current Leakage: When using sensors with high leakage current, ensure the module's "Off" current threshold is not exceeded, which could cause a false "On" signal.

• Voltage Matching: Never apply AC voltage to a DC-rated input module, as this will lead to immediate hardware failure.

• Environmental Limits: Operate the module within the specified temperature and humidity ranges; excessive heat can degrade the internal photocouplers over time.

• Cable Separation: Keep input signal cables separate from high-voltage power lines to minimize electromagnetic interference (EMI).

Common Product Applications

• Manufacturing Assembly Lines: Detecting the presence of parts via limit switches or proximity sensors.

• Packaging Machinery: Monitoring safety gates, emergency stop buttons, and photoelectric sensors.

• Water Treatment Facilities: Receiving signals from float switches and pressure sensors to control pumps.

• Building Automation: Interfacing with HVAC sensors, fire alarm contacts, and lighting control switches.

• Material Handling: Managing conveyor belt positions and sorting gate feedback in logistics centers.

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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