SMT3000RMI2U-CH SCHNEIDER

SMT3000RMI2U-CH SCHNEIDER Termination Unit

Product  Description：

Schneider Electric Termination Units serve as the central physical interface and interconnection layer between field instrumentation wiring and industrial control system hardware, such as Programmable Logic Controllers (PLCs), Distributed Control Systems (DCS like Foxboro/EcoStruxure Foxboro DCS), and I/O modules.

These units streamline the marshalling process by converting point-to-point field wiring from transmitters, actuators, sensors, and switches into pre-fabricated multi-core cable connections. By eliminating the need for manual, individual wire termination directly onto control hardware, Schneider termination units simplify control cabinet design, minimize installation space, reduce commissioning errors, and provide organized routing for both power distribution and signal conditioning.

Product Parameters

• Unit Types: Passive Pass-Through Termination Assemblies, Active Signal-Conditioning Baseplates, Relay Isolation Terminal Assemblies, and Fuse-Protected Terminal Units.

• Termination Technologies: Screw-clamp terminals, spring-cage terminals, and push-in connection technology for field side; high-density multi-pin connectors (D-Sub, ribbon cable, or proprietary multi-conductor plugs) for system-side connections.

• Operating Voltage Rating: Up to 250V AC/DC depending on model selection and circuit isolation requirements.

• Current Carrying Capacity: Up to 2A to 5A per point for passive channels; up to 10A for integrated power distribution points.

• Channel Configuration: Available in 8, 16, 32, or 64 channel densities per unit.

• Isolation Voltage: Channel-to-channel and channel-to-ground isolation options ranging from 500V AC up to 2500V AC.

• Integrated Components: Select models feature built-in disconnect blade switches, test points, line-fault detection resistors, blown-fuse LED indicators, and surge suppression devices.

• Mounting Style: Standard 35mm DIN rail mount, panel plate mount, or direct cabinet rack mount.

• Operating Temperature: -20°C to +70°C for industrial grade models.

• Enclosure / Flammability Rating: UL 94 V-0 flame-retardant polyamide or thermoplastic housing.

Product Advantages

• Significant Wiring Acceleration: Pre-fabricated multi-core system cables plug directly from the termination unit into I/O racks, reducing panel wiring time by up to 70 percent compared to traditional hand-wired terminals.

• Minimized Human Error: Pre-wired connections eliminate miswiring risks between field junction boxes and controller I/O channels, streamlining pre-commissioning testing.

• Compact Cabinet Footprint: High-density arrangement optimizes space inside control cabinets and marshalling panels, allowing higher channel density within smaller enclosure volumes.

• Enhanced System Diagnostics: Integrated visual LED status lights and easily accessible test points enable quick signal measurement, loop checking, and troubleshooting without disconnecting field wires.

• Simplified Maintenance: Integrated disconnect switches and fuse protection allow maintenance personnel to isolate individual field loops safely without disrupting neighboring channels or shutting down the process controller.

Important Precautions

• Verify Signal Compatibility: Always select the correct termination unit variant for the specific signal type, such as digital input/output, analog 4-20mA, HART protocol, or thermocouple/RTD inputs, to avoid signal degradation or component damage.

• Respect Voltage and Current Envelope: Ensure field device supply voltages and inrush currents do not exceed the printed ratings on the termination assembly circuit board and connector contacts.

• Enforce Proper Cable Shielding and Grounding: Connect field wire shields strictly to designated shield grounding busbars or chassis ground terminals on the unit to prevent electromagnetic noise from distorting analog process signals.

• Check Connector Latching: When connecting pre-fabricated multi-pin system cables, ensure retaining clips or screws are fully tightened to prevent loose interconnections caused by industrial vibration.

• Power Down During Fuse Replacement: Ensure power supplies to field loops are turned off before replacing fused terminal blocks or active interface modules to prevent electrical arcing or damage to sensitive input/output circuits.

Product Applications

• Chemical and Petrochemical Plants: Centralized signal marshalling between dangerous area field instruments and control rooms for flow meters, temperature transmitters, and control valves.

• Power Generation Facilities: Interfacing boiler protection controls, turbine trip systems, and substation telemetry to primary automation systems.

• Oil and Gas Upstream and Downstream: Managing remote terminal unit (RTU) and DCS connections across offshore platforms, pipeline compressor stations, and refineries.

• Water and Wastewater Treatment: Organizing multi-channel signal routing from pump stations, filtration monitors, and dosing controls into main control panels.

• Large-Scale Continuous Manufacturing: Streamlining signal distribution in paper mills, steel plants, and pharmaceutical production facilities requiring thousands of I/O termination points.

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.