GT15-FNB MITSUBISHI

GT15-FNB MITSUBISHI Termination Unit

Product  Description：

Mitsubishi Electric Termination Units, also known as Terminal Blocks or Interface Modules, are specialized hardware components designed to simplify and organize the wiring between field devices and PLC I/O modules. These units act as a centralized connection hub, converting high-density connectors often found on Mitsubishi MELSEC modules into accessible, labeled terminal points. They play a critical role in reducing wiring errors and improving the maintainability of industrial control panels.

Product Parameters

The technical specifications of Mitsubishi Termination Units are focused on electrical integrity and physical connectivity:

• Voltage Rating: Typically rated for 24V DC or up to 250V AC, depending on whether the unit is designed for logic signals or power distribution.

• Current Capacity: Standard units support 0.5A to 2A per point, with common terminals often rated for higher total current throughput.

• Connection Types: Available with traditional M3 or M3.5 screw terminals, tension-clamp (spring) terminals for vibration resistance, or IDC (Insulation Displacement Connector) types.

• Point Density: Common configurations include 16-point, 32-point, and 40-point units to match the density of the corresponding I/O modules.

• Insulation Resistance: Generally rated at 100 Megaohms or higher at 500V DC to ensure signal purity.

• Mounting Style: Designed for standard 35mm DIN rail mounting or direct screw mounting to the backplane of a control cabinet.

Product Advantages

Mitsubishi Termination Units offer several distinct benefits for system integrators and maintenance teams:

• Wiring Efficiency: By using pre-fabricated cables to connect the PLC module to the termination unit, assembly time is reduced by up to 50 percent compared to point-to-point manual wiring.

• Error Reduction: Labeled terminals and keyed connectors ensure that field wires are connected to the correct I/O addresses, minimizing the risk of short circuits or logic errors.

• Easy Maintenance: If a PLC module needs to be replaced, the field wiring remains undisturbed on the termination unit. Only the interconnecting cable needs to be unplugged.

• Signal Organization: These units allow for the separation of high-voltage and low-voltage wiring, which helps in reducing electromagnetic interference within the panel.

• Compact Design: High-density terminal arrangements allow for a large number of connections within a small physical footprint, helping to downsize control cabinets.

Product Applications

These units are indispensable in complex automated systems where high-density wiring is required:

• Large-Scale Manufacturing: Used in automotive and electronics assembly lines where hundreds of sensors and actuators must be organized and labeled.

• Process Control: Centralizing connections for flow meters, temperature sensors, and valves in chemical or water treatment plants.

• Logistics and Warehousing: Organizing the I/O for massive conveyor systems and automated sorting machinery.

• Building Automation: Managing the interface between central controllers and distributed peripheral devices like dampers, fans, and security sensors.

• Power Distribution Panels: Serving as the interface for monitoring points in medium-voltage and low-voltage switchgear.

Important Precautions

To ensure long-term reliability and safety, users should observe the following guidelines:

• Tightening Torque: For screw-type units, always use the specified torque (usually 0.5 to 0.8 Nm). Over-tightening can strip the threads, while under-tightening can lead to high resistance and heat.

• Wire Stripping: Ensure that the wire is stripped to the correct length. Exposed copper outside the terminal can cause short circuits, while insulation inside the terminal can cause connection failure.

• Cable Length Limits: When using high-speed digital signals, keep the cable between the PLC and the termination unit as short as possible to prevent signal attenuation and noise pickup.

• Voltage Segregation: Do not mix AC and DC signals on the same termination unit unless the specific model is designed with isolated groups for such purposes.

• Identification: Always use the provided marking strips to label each terminal according to the electrical schematic. This is vital for safety during future troubleshooting or system modifications.

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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JUSTWELL PTE. LTD

Our main products include DCS control system spare parts, PLC system spare parts, and robot system spare parts. Our advantageous brands include Allen Bradley, Bently Nevada, ABB, HIMA, Reliance, Bender, National Instruments, Emerson Ovation, Honeywell, Siemens, Allen Bradley, ICS Triplex, FOXBORO, Schneider, GE Fanuc, Motorola, HIMA, Prosoft, and other imported industrial components. Our main products serve a wide range of electronic, metallurgical, chemical, and power plants Industries such as steel mills, rubber, cement, machinery and equipment, and construction.