AO820 ABB Analog Output Module

ABB AO820 Analog Output Module 4-Channel Bipolar

Technical Specifications

• Number of Channels: 4
• Resolution: 12-bit including sign
• Output Load: ≤550 Ω (current), ≥5 kΩ (voltage)
• Error: Max. 0.1% (voltage), Typ. 0.1% at 250 Ω, Max 0.15% (current)
• Temperature Drift: Max 90 ppm/°C
• Rise Time: <0.7 ms
• Weight:0.22kg
• Update Cycle Time: ≤1.5 ms
• Short-Circuit Protection: Yes, current-limited output
• Maximum Field Cable Length: 600 meters
• Rated Insulation Voltage: 50 V
• Dielectric Test Voltage: 500 V a.c.
• Power Dissipation: Typ. 6 W

Diagnostics & Supervision

• Continuous monitoring of output channels via ModuleBus.
• Module Error: Low output power detected.
• Channel Error: Open-circuit detection for currents >1 mA.
• OSP function ensures outputs move to safe predetermined values on error.

FAQ

• Is this module new? Yes, 100% original ABB product.
• Does it support HART? No, HART not supported.
• Maximum cable length? 600 meters
• Can it be used in redundant MTU systems? No, single operation only.

© 2025 NexAuto Technology Limited. All rights reserved.
Original Source: https://www.nex-auto.com/
Contact: sales@nex-auto.com
Phone: +86 153 9242 9628