ABB 216EA61b Analogue Input Processor Unit

Description

Technical Specifications

Core Signal Processing

• Input Channels: 24 analogue input channels, supporting connection of up to two 216GW61 input transformer modules
• Input Signal Range: -40 V to +40 V (scaled measurement signals from transformers)
• Processor: Intel 80C186 microprocessor for high‑speed signal pre‑processing
• A/D Conversion: High‑resolution analogue‑to‑digital conversion with precise signal sampling
• Data Transfer: 64 kByte Dual Port Memory (DPM/RAM) interface to B448C parallel bus
• Memory Configuration:
  • Program Memory: 128 kByte EPROM (firmware storage)
  • Main Memory: 64 kByte RAM (runtime data processing)
  • Non‑volatile Memory: 8 kByte EEPROM (configuration and calibration data)

Electrical Specifications

• Operating Voltage: 24 V DC (industrial control power supply)
• Power Consumption: ≤ 10 W (low‑power design for minimal heat generation)
• Isolation: Reinforced galvanic isolation between field inputs and system bus
• EMC Compliance: Conforms to industrial EMC standards for power system environments

Mechanical & Physical Specifications

• Dimensions: 127 mm × 76 mm × 178 mm (5 in × 3 in × 7 in)
• Weight: 0.5 kg (1.1 lbs)
• Form Factor: Rack‑mountable module for REC 216 system cabinets
• Connectors: Industrial‑grade terminal blocks for field wiring and bus connection
• Cooling: Convection cooling, no forced ventilation required

Environmental Ratings

• Operating Temperature: -20 °C to +70 °C
• Storage Temperature: -40 °C to +85 °C
• Relative Humidity: 5%–95% RH, non‑condensing
• Vibration Resistance: IEC 60068‑2‑6 (5–500 Hz, 1 g)
• Shock Resistance: IEC 60068‑2‑27 (15 g, 11 ms half‑sine)

System Compatibility

• Host System: ABB REC 216 generator protection and control system
• Upstream Module: Compatible with 216GW61 input transformer modules
• Bus Interface: B448C parallel system bus
• Software Support: Fully integrated with REC 216 system firmware and configuration tools

Key Features

High‑Precision Analogue Conversion

• 24‑Channel Input Capacity: Simultaneous processing of multiple analogue measurement signals
• High‑Speed Processor: 80C186 microprocessor ensures rapid signal digitization and pre‑processing
• Dual Port Memory: Direct, high‑speed data transfer to system bus with zero latency
• Signal Conditioning: Built‑in filtering and amplification for accurate measurement acquisition
• Non‑volatile Storage: EEPROM retains calibration and configuration data through power cycles

Robust Industrial Reliability

• Galvanic Isolation: Protects system electronics from field‑side electrical disturbances
• Wide Temperature Range: Operates reliably in extreme industrial and power plant environments
• Low Power Design: Minimizes heat output and extends component lifespan
• EMC Hardened: Withstands electromagnetic interference common in power substations
• Self‑Diagnostics: Continuous internal monitoring for fault detection and system integrity

Seamless System Integration

• Modular Design: Easy installation, replacement, and system expansion
• Standard Bus Interface: Direct compatibility with REC 216 B448C system bus
• Transformer Compatibility: Works exclusively with 216GW61 input transformers for signal scaling
• Configuration Flexibility: Software‑configurable input ranges and processing parameters
• Diagnostic Interface: Supports system monitoring and troubleshooting via REC 216 tools

Optimized for Power System Applications

• Generator Protection Support: Processes voltage, current, and frequency signals for protection algorithms
• Real‑time Data Acquisition: Provides millisecond‑resolution measurement data for control systems
• Multi‑Signal Processing: Handles diverse analogue inputs from power system sensors
• Calibration Stability: Maintains measurement accuracy over extended operational periods
• Fault Tolerance: Built‑in error checking and correction for reliable operation

Application Scenarios

Power Generation

• Steam Turbine Generators: Monitors phase voltage, current, and frequency for overcurrent, overvoltage, and underfrequency protection
• Gas Turbine Generators: Processes generator output signals for differential protection and voltage regulation
• Hydroelectric Generators: Acquires water flow, pressure, and generator electrical parameters for control and protection
• Wind Turbine Generators: Converts analogue sensor data for grid synchronization and fault detection
• Diesel Generator Sets: Provides measurement inputs for engine control and electrical protection systems

Power Transmission & Distribution

• Power Transformers: Monitors primary/secondary voltages and currents for transformer differential protection
• High‑Voltage Substations: Processes analogue signals from switchgear and instrument transformers
• Distribution Feeders: Acquires current and voltage data for overcurrent and earth fault protection
• Reactor & Capacitor Banks: Monitors reactive power components for voltage stability control
• Grid Interconnection Points: Provides measurement data for grid protection and synchronization

Industrial Power Systems

• Large Motor Control: Processes motor current and voltage signals for overload and short‑circuit protection
• Industrial Substations: Integrates with REC 216 systems for factory power distribution protection
• Process Power Supplies: Monitors critical power parameters for industrial process control systems
• UPS Systems: Acquires battery voltage and inverter output signals for power quality monitoring
• Variable Frequency Drives: Provides feedback signals for drive control and protection algorithms

Oil & Gas Industry

• Offshore Platforms: Processes power system measurements for generator and distribution protection
• Refinery Power Systems: Monitors electrical parameters for safe operation in hazardous areas
• Pipeline Compressor Stations: Acquires motor and generator data for compressor control
• LNG Facilities: Provides analogue inputs for cryogenic process power system protection
• Petrochemical Plants: Integrates with power control systems for process continuity

Marine & Offshore

• Ship Power Systems: Monitors generator and switchboard parameters for marine electrical protection
• FPSO Vessels: Processes power system signals for offshore production facilities
• Offshore Wind Farms: Acquires turbine and grid connection data for protection systems
• Naval Vessels: Provides high‑reliability analogue conversion for military power systems
• Submarine Power Cables: Monitors voltage and current for cable fault detection