1C31203G01 Emerson Remote Node Controller I/O module

The 1C31203G01 serves as a core component of Emerson's Ovation Distributed Control System (DCS). As a remote node controller I/O module, its primary function is to connect field devices with the DCS, enabling remote data acquisition, control command transmission, and equipment status monitoring. Designed with standardization, the module seamlessly integrates into the Ovation system's distributed architecture and supports redundant configuration to enhance system reliability.

• Boiler/Turbine Coordinated Control: Monitors key parameters such as steam pressure, temperature, and rotational speed in real time. Through closed-loop control, it optimizes combustion efficiency to ensure stable unit operation; supports coordination with the Turbine Electro-Hydraulic Control System (DEH) to achieve dynamic load adjustment.

• Environmental Emission Monitoring: Connects to flue gas analyzers, dust sensors, and other devices to collect real-time data on SO?, NO?, and particulate matter concentrations, interfacing with environmental monitoring platforms to help enterprises meet emission standards.

• Power Plant Economic Dispatch: Integrates grid load signals with unit operation parameters, participating in Automatic Generation Control (AGC) and economic allocation to optimize indicators such as coal consumption and plant power rate.

• SCADA System Integration: As the core of the field control layer, it connects to water quality sensors (pH, turbidity, COD), level gauges, flowmeters, and other devices, interacting with the upper-level SCADA system via protocols like Modbus and OPC UA to achieve full-automatic control of water treatment processes (e.g., filtration, disinfection, aeration).

• PLC Collaborative Control: Seamlessly interfaces with PLCs from brands like Siemens and Schneider to coordinate the actions of equipment such as water pumps, valves, and sludge scrapers. For example, in wastewater treatment plants, it automatically starts/stops lift pumps based on water level, or controls the precise dosing of the chemical addition system in waterworks.

• Fault Diagnosis and Maintenance: Real-time monitoring of equipment operation status through built-in diagnostic programs, such as water pump bearing temperature and valve switch position signals. It triggers alarms and records fault data in case of anomalies, shortening maintenance response time.

• Intelligent Logistics and Handling: Networks with the PLC of AGVs (Automated Guided Vehicles) to read vehicle position, battery status, and other data, while controlling the lifting and rotation of fixtures; collaborates with Ensenso 3D cameras to provide workpiece coordinates for robots through point cloud data processing, enabling high-precision picking of coils and components (positioning error ≤0.5mm).

• Multi-device Communication Hub: In scenarios such as automobile welding and electronic assembly, it acts as a communication bridge between cameras, sensors, and PLCs. For example, in body welding processes, it synchronously transmits visual inspection results and robot arm motion commands to ensure consistent welding quality.

• Bus Protocol Support:

• HART Protocol: Compatible with intelligent transmitters, valve positioners, and other devices, enabling bidirectional transmission of 4-20mA current signals and digital signals, supporting remote configuration of device parameters.

• FOUNDATION Fieldbus: Used in process control fields, supporting high-speed data transmission (up to 10Mbps), connectable to field instruments such as temperature and pressure gauges to build fully digital industrial control networks.

• PROFIBUS DP: Adapted to PLCs, frequency converters, and other devices, with a transmission rate of up to 12Mbps, supporting master-slave communication mode, commonly used for  control of production line equipment.

• DeviceNet: A bottom-layer network for industrial automation, supporting quick access to sensors and actuators, such as centralized control of photoelectric switches and cylinder solenoid valves.

• Internal Communication Management: Real-time interaction with remote I/O controllers via fiber optics, adopting redundant communication links (such as dual-ring network architecture) to ensure data transmission delay ≤5ms and packet loss rate <0.01%.

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• PCI Interface Integration: Compatible with the PCI bus standard, directly connectable to industrial computers or PCI backplanes in control cabinets, supporting hot-swapping for easy system expansion or hardware upgrades.

• Commercial Hardware Architecture: Adopts x86 processors and Windows Embedded operating systems, supporting secondary development with general industrial software (such as LabVIEW, Python), reducing technology migration costs.

• Vibration and Rotational Speed Monitoring:

• Dual acceleration input channels (sampling rate ≥10kHz) collect equipment vibration data (velocity, acceleration, displacement) in real time, supporting FFT spectrum analysis to identify faults such as bearing wear and imbalance.

• Dedicated rotational speed/key phase channel connects to eddy current sensors, with a measurement range of 0-30000rpm, used for zero-speed protection and phase calibration of rotating equipment such as turbines and fans.

• Protection Relay Function: Two programmable relays (contact capacity 250VAC/5A), configurable for logic such as overspeed tripping and vibration over-limit alarm, with a response time <10ms.

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• Electrical Parameters:

• Operating voltage: 220VAC (±10%), supporting wide-range power input (198-242VAC), adapted to complex power grid environments in industrial fields.

• Output frequency: Adjustable according to application scenarios, such as up to 60kHz for pulse counting and 50/60Hz standard frequency for motor speed regulation.

• Mechanical Design:

• Adopts 3U standard rack mounting (suitable for 19-inch cabinets), with protection class IP20, operating temperature 0-60℃, humidity 5%-95% (non-condensing), meeting the requirements of dust resistance and vibration resistance in industrial environments.

• Modular interface design: Terminal blocks support hot-swapping, with clear wiring marks, enabling quick replacement of faulty modules during maintenance to reduce downtime.

  
  

1. Boiler Combustion Control in Thermal Power Plants:

• The module connects to sensors such as furnace pressure, oxygen content, and fuel flow, communicates with the DCS main control unit via FOUNDATION Fieldbus, and adjusts the opening of secondary air dampers and coal feed amount in real time, increasing combustion efficiency by 3% and reducing NO? emissions by 15%.

2. Optimization of Aeration Systems in Wastewater Treatment Plants:

• Based on DO (dissolved oxygen) sensor data, controls the rotational speed of Roots blowers via PROFIBUS DP, and combines with PLC to achieve segmented control of aeration tanks, reducing energy consumption by 20% compared to traditional control methods.

3. Precision Assembly of 3C Product Production Lines:

• Collaborating with vision systems, the module receives workpiece position data captured by cameras and controls the robot arm to complete chip mounting via DeviceNet, with positioning accuracy reaching ±0.1mm and production capacity increased by 40%.

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