Q170BAT MITSUBISHI

Q170BAT MITSUBISHI Digital Input Module

Product  Description：

Mitsubishi Electric Digital Input Modules are fundamental interface components for the MELSEC PLC series, designed to capture binary "On/Off" signals from field devices. These modules convert external electrical signals from switches, sensors, and relays into logic data that the PLC CPU can interpret. By providing a reliable bridge between the physical factory floor and the digital control logic, these modules ensure that the system reacts instantaneously to changes in machine status or operator input.

Product Parameters

The technical profile of a Mitsubishi Digital Input Module is defined by its electrical compatibility and response characteristics:

• Input Points: Available in various densities, typically 16, 32, or 64 points per module, allowing for high-density wiring in a small footprint.

• Rated Input Voltage: Most commonly 24V DC for industrial logic, though 100-120V AC and 200-240V AC versions are available for specific utility applications.

• Input Current: Typically ranges from 4mA to 6mA per point, ensuring low power consumption while maintaining signal integrity.

• Response Time: Features adjustable digital filters with high-speed execution, often allowing turn-on/off times as fast as 0.1ms to 70ms.

• Input Type: Available in Sink (NPN) and Source (PNP) configurations, or combined designs that allow the user to select the wiring logic based on the sensor type.

• Common Terminal Arrangement: Points are grouped into banks (e.g., 16 points per common) to simplify wiring and common-side grounding.

Product Advantages

Mitsubishi Digital Input Modules offer several features that enhance the efficiency and longevity of an automation system:

• Exceptional Noise Immunity: Equipped with internal photocouplers that provide galvanic isolation between the field terminals and the PLC backplane, protecting the CPU from electrical surges.

• Real-time Status Monitoring: Every input point is paired with a dedicated LED indicator on the front panel, allowing maintenance personnel to visually verify signal status without using a computer.

• High-Density Integration: The 64-point modules utilize compact connectors, significantly reducing the amount of space required in the control cabinet compared to traditional screw terminals.

• Vibration Resistance: Built to withstand the rigorous vibrations of industrial environments, ensuring that electrical connections remain secure over years of operation.

• Intelligent Filtering: Built-in software filters allow users to ignore mechanical contact chatter (switch bounce), which prevents false triggers and improves the stability of the control logic.

Product Applications

These modules are the primary source of feedback for automated machinery across all sectors:

• Operator Interfaces: Capturing signals from pushbuttons, emergency stop buttons, and selector switches on a machine's control panel.

• Position Sensing: Interfacing with limit switches, proximity sensors, and photo-eyes to detect the presence or location of parts on a conveyor.

• Safety Monitoring: Receiving signals from safety door interlocks, light curtains, and pressure mats to ensure a safe working environment.

• Level and Pressure Detection: Monitoring binary float switches and pressure switches to manage tank levels or air pressure in pneumatic systems.

• Pulse Counting: Certain high-speed digital input modules can be used for basic counting tasks from rotary encoders or flow meters.

Important Precautions

To ensure reliable operation and prevent hardware failure, users must adhere to the following guidelines:

• Wiring Polarity: For DC input modules, verify whether the module is configured for Sink or Source wiring. Connecting a sensor with the wrong polarity will result in the signal not being detected and may damage the sensor.

• Voltage Compatibility: Never apply a voltage that exceeds the rated input voltage of the module. Applying AC power to a DC-rated module will cause immediate and permanent damage to the internal photocouplers.

• Cable Routing: Avoid running signal wires parallel to high-current power cables or VFD (Variable Frequency Drive) output cables to prevent electromagnetic interference from causing "ghost" signals.

• Wire Termination: Ensure that all wire ends are properly crimped with ferrules or terminal lugs. Loose strands of wire can cause short circuits between adjacent input points on the connector.

• Common Terminal Loading: Ensure the total current passing through the "Common" (COM) terminal does not exceed the rated limit of the module, especially when multiple inputs are active simultaneously.

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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