CL1Y4-R1B1 MITSUBISHI

CL1Y4-R1B1 MITSUBISHI Relay Input Module

Product  Description：

This module is designed to interface with external switches, sensors, and contacts. Unlike transistor or triac modules, a relay input module utilizes physical mechanical contacts or high-isolation circuits to detect the presence of voltage. It is particularly valued for its robust isolation capabilities and its ability to handle different voltage levels, such as 100V-240V AC or 24V DC, depending on the specific model (like the QX series or the R series).

Technical Parameters

While specific values vary between the Q, L, and iQ-R series, common parameters include:

• Input Points: Typically available in 16, 32, or 64-point configurations.

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

• Input Current: Generally ranges from 4mA to 6mA per point.

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

• Response Time: Typically between 1ms to 20ms for "Off to On" or "On to Off" transitions, which is slower than solid-state modules but sufficient for most mechanical sensing.

• Dielectric Withstand Voltage: Often rated at 1500V AC or higher for one minute between the input terminals and the ground.

• Insulation Resistance: Usually 10MΩ or higher.

Product Advantages

• Superior Electrical Isolation: The physical separation provides high protection against electrical noise and surges, preventing field-side faults from damaging the expensive PLC CPU.

• Voltage Versatility: Many relay-type modules can handle AC signals directly, eliminating the need for external interposing relays or converters.

• Durability: Mitsubishi’s hardware is known for high MTBF (Mean Time Between Failure) and can operate reliably in harsh industrial environments.

• Diagnostic Features: Most modules include LED indicators for each input point, allowing for immediate visual troubleshooting of field signals.

Safety and Operational Precautions

• Contact Lifespan: Because these modules involve mechanical components, they have a finite number of operations. Avoid using them for high-frequency switching tasks.

• Inductive Loads: When connecting to inductive devices like large solenoids, ensure appropriate surge suppressors are used to prevent back-EMF from damaging the module.

• Wiring Accuracy: Always ensure that the common (COM) terminal is wired correctly according to the module's polarity (Sinking vs. Sourcing) to avoid short circuits.

• Environment: Maintain the ambient temperature within the specified range (usually 0 to 55 degrees Celsius) and ensure the panel is free from conductive dust or corrosive gases.

Product Applications

• Material Handling: Detecting the position of heavy-duty limit switches on conveyor belts or cranes.

• Infrastructure: Monitoring manual push-buttons and selector switches in water treatment plants or power distribution centers.

• Manufacturing: Sensing the status of safety gates, pressure switches, and thermal overloads where high-voltage AC signals are common.

• Building Automation: Interfacing with HVAC sensors and fire alarm dry contacts.

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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