AO820 ABB Analog Output Module

AO820 ABB Analog Output ModuleABB AO820 Analog Output Module 4 Channel Bipolar Technical Specifications Number of Channels: 4 Resolution: 12 bit including sign Output Load: 550 (current), 5 k (voltage) Error: Max. 0. 1% (voltage), Typ. 0. 1% at 250 , 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:

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.

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