ABB AI815 Analog Input Module

Overview

The AI815 Analog Input Module is designed for precise and reliable analog signal input in industrial automation. It features 8 input channels, each of which can be configured for voltage or current inputs, but current and voltage signals cannot be mixed on the same module.

General Information

• Article Number: 3BSE052604R1
• Type: Analog Input
• Signal Specification:
  • Current: 0..20 mA, 4..20 mA
  • Voltage: 0..5 V, 1..5 V
• Number of Channels: 8
• Signal Type: Unipolar single-ended
• HART: Yes
• SOE: No
• Redundancy: No
• High Integrity: No
• Intrinsic Safety: No
• Mechanics: S800

Key Features

• Resolution: 12 bit
• Input Impedance:
  • Voltage Input: > 10 MΩ
  • Current Input: 250 Ω
• Isolation: Groupwise isolated from ground
• Under/Over Range:
  • 0 to +15% (0..20 mA, 0..5 V)
  • -12.5% to +15% (4..20 mA, 1..5 V)
• Error: Max. 0.1%
• Temperature Drift: Max. 50 ppm/°C
• Input Filter (Rise Time 0-90%): 290 ms
• Update Cycle Time: 10 ms
• Current Limiting: Built-in current-limited transmitter power

Diagnostic and Supervision

• Front LED Indicators:
  • F(ault), R(un), W(arning)
• Supervision:
  • Module Error: Analog readback, reference voltage, internal power supply, checksum, watchdog, memory errors
  • External Channel Error: External power supply low, transmitter power error
• Status Indication: Module Error, Module Warning, Channel Error

Environment and Certification

• CE Mark: Yes
• Electrical Safety:
  • EN 61010-1, UL 61010-1, EN 61010-2-201, UL 61010-2-201
• Hazardous Location Certification:
  • C1 Div 2 cULus, C1 Zone 2 cULus, ATEX Zone 2
• Marine Certification: BV, DNV, LR
• Temperature Range (Operating): 0 to +55 °C (+32 to +131 °F)
  • Approvals for +5 to +55 °C
• Storage Temperature: -40 to +70 °C (-40 to +158 °F)
• Pollution Degree: Degree 2, IEC 60664-1
• Corrosion Protection: ISA-S71.04: G3
• Relative Humidity: 5 to 95%, non-condensing
• Max Ambient Temperature: 55 °C (131 °F)
  • For vertical mounting: 40 °C (104 °F)
• Protection Class: IP20 (IEC 60529)
• Mechanical Operating Conditions: IEC/EN 61131-2
• EMC: EN 61000-6-4, EN 61000-6-2

Electrical and Power Consumption

• Rated Insulation Voltage: 50 V
• Dielectric Test Voltage: 500 V a.c.
• Power Dissipation: 3.5 W
• Current Consumption:
  • +5 V Modulebus: 100 mA
  • +24 V Modulebus: 50 mA
  • +24 V External: Max. 265 mA (22 mA + 1.32 * transmitter current)

Mechanical Specifications

• Dimensions:
  • Width: 45 mm (1.77”)
  • Depth: 102 mm (4.01”), 111 mm (4.37”) including connector
  • Height: 119 mm (4.7”)
• Weight: 0.23 kg (0.51 lbs.)