ABB GFD233A 3BHE022294R0101 – Excitation Controller / Analog Module

Description

• Power supply: 24 VDC nominal, 18 – 32 V operating range
• Power consumption: 220 W max (excitation variant) / 5 W typical (I/O variant)
• Working voltage range: 220 – 380 VAC (excitation) or 24 VDC (I/O)
• Current capability: 120 A continuous (excitation) / 300 mA per channel (I/O)
• Analog inputs: up to 32 channels, individually configurable
  – Ranges: ±10 V, 0 – 10 V, 4 – 20 mA, 0 – 20 mA
  – Resolution: 16 bits
  – Accuracy: ±0.1 % full scale
  – Input impedance: >10 MΩ (voltage), 250 Ω (current)
• Analog outputs: 4 – 20 mA or ±10 V, 12-bit resolution, short-circuit protected
• Digital I/O: 32 channels configurable as input or output, 24 VDC, opto-isolated
• Communication interfaces: PROFIBUS DP, PROFINET, Modbus TCP, Ethernet/IP
• Isolation: 2.5 kV channel-to-bus, 500 V channel-to-channel
• Protection: IP67 housing, reverse polarity, over-voltage, over-current, surge suppression
• Mounting: DIN-rail or direct machine mounting
• Operating temperature: –40 °C to +70 °C
• Storage temperature: –55 °C to +85 °C
• Dimensions: 250 mm × 210 mm × 140 mm; weight ≈ 0.24 – 1.8 kg depending on variant

• Triple-redundant processing paths for SIL 2/3 safety loops
• Real-time excitation regulation with PID, PIV and adaptive algorithms
• Hot-swap capability under power for maintenance-free replacement
• Self-diagnostics and health LEDs for channel status, communication and power
• Firmware field-upgrade via Ethernet or USB service port
• Modular design allows I/O expansion by plug-in slices

• Static excitation systems for synchronous generators in thermal, hydro and wind power plants
• Speed and torque control of large DC motors in steel mills, paper machines and extruders
• Process automation in chemical, petrochemical, pharmaceutical and food industries
• Machine control and data acquisition in packaging, printing and textile lines
• Remote substation and grid-stabilization projects requiring precise voltage regulation