ABB|AI825|Analog Input Module

ABB AI825 3BSE036456R1 Analog Input Module

Description
ABB AI825 is a 4-channel galvanically isolated analog input module for S800 I/O systems, supporting voltage and current signals with high precision and industrial compatibility.

Features

• 4 individually isolated analog inputs
• Supports ±20 mA, 0–20 mA, 4–20 mA, ±10 V, 0–10 V, 2–10 V
• HART communication compatible
• High measurement accuracy with low temperature drift
• Designed for use with TU811, TU813, TU831 MTUs

Technical Specifications

• Type: Analog Input Module
• Channels: 4 (individually galvanic isolated)
• Resolution: 14 bit plus sign
• Input Impedance:
  • Voltage input: 10 MΩ
  • Current input: 50 Ω
• Signal Range:
  • Current: ±20 mA, 0–20 mA, 4–20 mA
  • Voltage: ±10 V, 0–10 V, 2–10 V
• Accuracy: Max. error 0.1%
• Temperature Drift:
  • 34–78 ppm/°C depending on signal type
• Input Filter: 115 ms (voltage), 130 ms (current)
• Update Cycle Time: < 10 ms
• Max Field Cable Length: 600 meters
• Isolation Voltage: 250 V rated, up to 3250 V d.c. isolation
• Power Supply:
  • +5 V ModuleBus: 70–100 mA
  • +24 V ModuleBus: 90–110 mA
• Power Dissipation: 2.5–3.2 W
• Operating Temperature: 0 to +55 °C
• Mounting: DIN rail, S800 system
• Dimensions:
  • Width: 45 mm
  • Depth: 102–111 mm
  • Height: 119 mm
• Weight: 0.22 kg