ABB NMTU-21C Multi-Function Communication and Termination Module(XIONGBA)

ABB NMTU-21C Multi-Function Communication and Termination Module(XIONGBA)

Brand Model: ABB NMTU-21C
Product Name: Multi-Function Communication and Termination Module
Warranty: 1 year
Inventory: Spot
Delivery Time: 3–5 days

Get a Quote
Category: Brand:
  • Need Help?
  • +86 18030182217
  • +86 18030182217
  • sandydcsplc@gmail.com
库存图标
100,000+ Models in Stock
保修图标
One-Year Warranty
响应图标
24h Fast Response

Description

The ABB NMTU-21C is a versatile industrial automation module designed for distributed control systems (DCS) and programmable logic controllers (PLCs), with applications spanning power generation, oil/gas, and manufacturing. Its dual role as a communication interface and circuit termination unit makes it a critical component in harsh industrial environments. Below is a detailed breakdown of its features, applications, and technical specifications:

Core Functionality

  1. Communication Hub
    • Supports Modbus RTU, RS-232/485, and LonTalk protocols for seamless integration with third-party devices like HMIs, SCADA systems, and legacy PLCs 317.
    • Features 2 isolated RS-232 ports (one configurable as RS-485) and 9 network ports for multi-device connectivity 3.
    • Enables encoder input with isolated channels (A/B/Z) for precise motion control in conveyor systems or robotics 3.
  2. Circuit Termination & Protection
    • Provides overload and short-circuit protection for field wiring, ensuring safe termination of analog/digital signals 116.
    • Features IP20-rated enclosure and conformal coating to resist dust, moisture, and corrosion in mining or offshore settings 324.
    • Hot-swappable design allows module replacement without system downtime 3.
  3. Signal Handling
    • Manages 32 digital inputs/outputs and supports analog signals (0-10V DC/4-20mA) for process control applications 323.
    • Includes cold junction compensation for thermocouple inputs (Type J/K/E/T), ensuring accurate temperature measurement in furnaces or chemical reactors 4.

Technical Specifications

Parameter Value
Model NMTU-21C
Manufacturer ABB
Power Supply 24V DC ±10% (250 mA max.) 3
Physical Dimensions 45 mm (W) × 75 mm (D) × 105 mm (H) 3
Weight 0.4–0.6 kg
Operating Temperature -40°C to +70°C 3
Compliance CE, UL, IEC 61131-2 (EMC) 3
Mounting DIN rail (35 mm) with front-panel LED diagnostics 3
Encoder Input 100 kHz max. frequency, 15-bit resolution, isolated from ground 3

Applications

  1. Power Generation
    • Integrates with ABB INFI 90 DCS for turbine control and grid synchronization, leveraging Modbus RTU for real-time data exchange 821.
    • Manages thermocouple inputs in boiler systems to monitor combustion efficiency 4.
  2. Oil & Gas
    • Supports HART protocol for smart sensor integration in offshore platforms, enabling predictive maintenance of pumps and valves 4.
    • Provides encoder feedback for rotary equipment control in pipelines 3.
  3. Manufacturing
    • Controls conveyor systems via RS-485 communication, ensuring precise material handling in automotive or food processing plants 3.
    • Monitors temperature profiles in ovens using thermocouple inputs with cold junction compensation 4.
  4. Water Treatment
    • Regulates flow/pressure via Modbus RTU, optimizing filtration and wastewater systems 3.

Compatibility & Integration

  • INFI 90 System: Works with MFPs (Multi-Function Processors) and INFI-NET transfer modules for distributed control 8.
  • Third-Party Systems: Connects to PLCs (e.g., Siemens S7), HMIs, and SCADA systems via serial or Ethernet interfaces 317.
  • Expansion: Pair with NICS01 I/O termination modules to extend analog/digital signal capacity 3.

Installation & Maintenance

  1. Setup
    • DIN rail mounting with front-panel LED indicators for power, communication, and fault status 3.
    • Configurable via 7 DIP switches for node addressing and encoder settings 3.
  2. Maintenance
    • Hot-swappable design minimizes downtime during module replacement.
    • Annual inspections: Clean dust and verify terminal connections.
    • Firmware updates: Remotely via ABB’s DriveWindow software 3.

Regional Support & Availability

  • Taiwan: Authorized distributor Chuwei Technology (Kaohsiung) provides technical support and spare parts 10.
  • Global Inventory: Stock available in Xiamen, China, with 3–5-day delivery to Taiwan via DHL/FedEx 1924.
  • Warranty: 1-year warranty covering defects in materials/workmanship.

Related Products

  1. ABB INFI 90 Series:
    • MFPs: Central processing units for complex control logic.
    • IIT02 INFI-NET Transfer Module: Enables bidirectional communication between INFI 90 networks 8.
  2. HART Devices:
    • ABB 267B6293P0010: Smart pressure transmitter compatible with NMTU-21C’s HART interface 4.
  3. Expansion Modules:
    • NICS01 Control I/O Termination Module: Extends I/O capacity for analog/digital signals 3.

Product Assurance

ABB guarantees the NMTU-21C with rigorous testing to meet international standards. Its EMC protection and rugged design ensure reliability in electrically noisy environments. For mission-critical applications, ABB’s predictive maintenance services further enhance system uptime 26.

 

HS:8443919090
Contact info

Related products