ABB

Procurement & Compatibility Notes

• Valid Part Suffixes: ACU-01B 3HNA024871-001/03 (full industrial variant) .
• Incompatible Claims:
  • "PLC for oil/gas" → Refers to ABB AC500 series (e.g., PM865 processor) .
  • "100W power module" → Matches ABB UFC760BE142 specs .
• Warranty: 12 months for factory-sealed units .

Technical Specifications

• Supported Communication Protocols:
  • Primary protocols: Profibus-DP (slave mode), Modbus RTU (master/slave modes), and Ethernet/IP (adapter mode)
  • Supplementary protocol: ABB proprietary SPA (Serial Peripheral Access) bus for internal system communication
• Communication Ports:
  • 1 x Profibus-DP port (RS-485 physical layer, baud rate up to 12 Mbps)
  • 1 x Modbus RTU port (RS-485 physical layer, baud rate range: 9600 bps to 115200 bps)
  • 1 x Ethernet/IP port (RJ45 connector, 10/100 Mbps adaptive, full/half-duplex mode)
• Data Transfer Capacity:
  • Maximum data exchange rate: 100 Mbps (via Ethernet/IP port)
  • Profibus-DP: Up to 244 bytes of input data and 244 bytes of output data per communication cycle
  • Modbus RTU: Supports up to 1000 registers (32-bit or 16-bit) for read/write operations

• Electrical Parameters
  • Power supply voltage: 24V DC
  • Power consumption: About 2W
  • Load capacity: Up to 10 amps per channel
• Communication Parameters
  • Communication protocols: Modbus RTU, Profibus DP, CANopen
  • Baud rate: Up to 12 Mbps
  • Interfaces: RS-485, RJ45; some models also support USB and Ethernet
• Environmental Parameters
  • Operating temperature: -25°C to 70°C
  • Storage temperature: -40°C to 85°C
  • Vibration resistance: 0.5g RMS (57Hz to 250Hz)
• Physical Parameters
  • Weight: About 0.5kg

• Channel Quantity: 25 channels
• Output Type: Voltage and current
• Output Range: Voltage: ±10V, ±5V, ±2.5V, ±1V; Current: ±20mA, ±10mA, ±5mA, ±2mA
• Resolution: 16 - bit
• Accuracy: ±0.1%
• Power Supply Voltage: 9 - 32V DC
• Rated Output Load: 0 - 600Ω
• Linearity Error: ≤0.2%
• Stability Error: ≤0.1% F.S./24h

Technical Specifications

• Number of Channels: 8
• Output Signal: 0 (4) … 20 mA, 10 V positive or negative
• Resolution: 16 - bit
• Accuracy: ±0.1%
• Load Resistance: 500 / 850 ohms
• Operating Temperature: - 25 °C to +60 °C
• Storage Temperature: - 20 °C to +80 °C
• Humidity: 95%
• Dimensions: 45 mm x 102 mm x 119 mm or 127 mm x 96 mm x 22 mm
• Weight: 0.18 kg or 0.2 kg
• Power Supply: DC 24V
• Protection Level: IP20

• Measurement Parameters
  • Measurement range: 0-25% O2.
  • Accuracy: ±0.2%.
  • Response time: Less than 10 seconds.
• Electrical Parameters
  • Power supply voltage: 24V DC.
  • Communication interface: RS485 Modbus.
• Environmental Parameters
  • Operating temperature: -20°C to 50°C.
  • Protection level: IP65.
• Mechanical Parameters
  • Probe insertion length: 0.5 to 4.0 meters.
  • High temperature resistance: Up to 800°C.
  • Dimensions: Net width 120mm, net height 60mm, net depth 135mm.