ABB AO890 3BSC690072R1 Analog Output Module 24vdc

Overview

The ABB AO890 is an 8-channel Analog Output Module designed for process automation, offering precise 0…20 mA or 4…20 mA outputs for controlling field devices. With built-in Intrinsic Safety protection for each channel, it ensures safe operation in hazardous areas without the need for external devices. This module is highly suitable for applications involving current-to-pressure converters (Ex certified), I/P actuators, and other process control systems requiring reliable and safe analog signals.

Technical Specifications:

• Brand: ABB
• Model: AO890
• Article Number: 3BSC690072R1
• Signal Type: Unipolar single-ended
• Signal Range: 0…20 mA, 4…20 mA
• Number of Channels: 8
• Resolution: 12-bit
• Isolation: Groupwise isolated from ground
• Output Load: <725 ohms at 20 mA (no over-range); <625 ohms at 22 mA
• Under/Over Range: 0 / 22 mA
• Current Consumption:
  • +5 V Modulebus: 80 mA
  • +24 V Modulebus: 110 mA (typ), 150 mA (max)
  • +24 V External: 220 mA (typ), 300 mA (max)
• Current Limiting: Short circuit proof, current-limited output
• Power Dissipation: 3.1 W
• Temperature Drift: Typ. 50 ppm/°C, Max. 100 ppm/°C
• Rise Time: 1 ms (10% to 90%)
• Diagnostics: Front LEDs for Fault, Run, Warning, Open-Sensor (OSP)
• Dimensions: 45 mm (W) x 102 mm (D) x 119 mm (H)
• Weight: 0.2 kg

FAQs:

1. What is the main benefit of using the ABB AO890?

• The AO890 provides a reliable and safe solution for analog output in hazardous areas, with Intrinsic Safety protection on each channel, ensuring secure operations without additional external devices.

2. Can the AO890 module be used in non-Ex applications?

• Yes, when used with the TU891 Compact MTU, it is ideal for non-Ex applications.

3. What are the operating temperature limits for the AO890?

• The operating temperature range for the AO890 is from 0°C to +55°C (32°F to +131°F), and storage temperature ranges from -40°C to +70°C.

4. How much current can each channel drive?

• Each channel can drive up to 20 mA under normal operation, with a maximum of 22 mA during overload conditions.

5. What certifications does the AO890 have for hazardous locations?

• The AO890 is certified for use in ATEX/IECEx Zone 2 with an interface to Zone 0, and complies with cFMus C1, Div 2/Zone 2 and other safety standards.

For more detailed information, please check official datasheet:Product-AI890