AO820 ABB AO800 Bipolar Analog Output Module

AO820 ABB AO800 Bipolar Analog Output Module

Manufacturer: ABB
Product No.: AO820
Condition： In stock
Product Type: Analog Output Module
Product Origin: SE
Payment: T/T, Western Union
Weight: 350g
Shipping port: Xiamen
Warranty: 12 months

Quantity

Selected quantity: 1

Estimate delivery times: 12-26 days (International), 3-6 days (United States).

Return within 30 days of purchase. Duties & taxes are non-refundable.

Guaranteed Safe Checkout

AO800 Series ABB AO800 Bipolar Analog Output Module - Model AO820

Get a quote for the ABB AO820 Analog Output Module. Fast 24-48h global shipping via FedEx, UPS, and DHL backed by a 12-month warranty.

Engineering Introduction

The AO820 is an advanced 4-channel bipolar analog output module engineered for precision industrial control applications. As part of the ABB S800 series, the AO820 provides individually galvanically isolated channels supporting flexible configuration of current or voltage signals through software settings.

Core Performance Parameters

Engineering Metric	Specification Details
Manufacturer & Series	ABB S800 Series
Model Number	AO820 (Article Number: 3BSE008546R1)
Module Classification	Bipolar Analog Output Module
Channel Count & Types	4 channels (-20 to +20 mA, 0 to 20 mA, 4 to 20 mA, -10 to +10 V, 0 to 10 V, 2 to 10 V)
Resolution & Precision	12 bits including sign; Max error 0.1% (voltage) / 0.15% (current)
Dynamic Response	Rise time < 0.7 ms; Update cycle time ≤ 1.5 ms
Load Impedance Limits	≤ 550 Ω (current output); ≥ 5 kΩ (voltage output)
Thermal Stability	Maximum temperature drift of 90 ppm/°C
Power Dissipation	Typical 6 W thermal dissipation

Hardware Compatibility & Wiring Architecture

Compatible MTU Models: TU810, TU812, TU814, TU830, TU833 utilizing Keying Code BC.
Terminal Separation: Features dedicated separate terminal blocks for voltage and current outputs requiring correct physical wiring.
Environmental Limits: Operating temperature range from 0 to +55 °C, with a derated limit of 40 °C for vertical mounting in compact MTUs.
Corrosion Protection: Certified to ISA-S71.04 G3 standards with IP20 enclosure protection.

Advanced Diagnostic & Safety Framework

Front-Panel Indicators: Real-time visual status monitoring via F (Fault), R (Run), W (Warning), and O (OSP) LEDs.
Loop Readback Verification: Continuously reads back output data and verifies communication integrity to A/D converters.
Open-Circuit Detection: Active continuous monitoring reports channel errors when current drops below 1 mA.
Fail-Safe OSP Control: Output Set Point (OSP) function forces outputs to predetermined safe states upon error detection.

Logistics, Fulfillment & Warranty Terms

Standard Warranty: Fully protected by a comprehensive 12-month warranty covering manufacturing defects.
Global Shipping Services: Rapid dispatch within 24-48 hours via trusted carriers including FedEx, UPS, and DHL.

Industrial Application Scenarios

Process Control Loops: Driving electro-pneumatic valves and variable frequency drives in chemical processing.
Power Generation: Delivering precise setpoint commands to turbine governor control systems.
Factory Automation: Interfacing multivariable actuators requiring isolated bipolar signal control.

Global PLC Spare HUB Review

Global PLC Spare HUB Review: The AO820 offers superior channel-to-channel galvanic isolation, effectively eliminating ground loop interference in complex multi-instrument architectures. Its dual-terminal design gives engineers strict physical separation control during wiring layout.

Global PLC Spare HUB's Insight & Field Experience

Global PLC Spare HUB's Insight: When configuring the AO820, double-check that your physical field wiring matches your software configuration choice, as separate terminals are designated for current and voltage outputs.

Engineering Field Example: During an offshore platform instrumentation upgrade, an open-circuit fault occurred on a critical control valve loop. The AO820 immediately detected the loss of loop current via continuous open-circuit supervision, triggering the OSP state to hold the actuator safely while alerting the control room through ModuleBus diagnostics.

Professional FAQ & Buying Guide

How do I configure channels for current versus voltage output on the AO820?
The signal type is configured entirely through software settings, but you must ensure field wiring is physically routed to the correct designated terminals for current or voltage.
What diagnostics are triggered if loop current drops below 1 mA?
The module detects open-circuit conditions continuously and reports a channel error via the ModuleBus, activating front-panel warning indicators.
Which MTU keying code is required for the AO820?
The module requires mounting units utilizing Keying Code BC, specifically compatible with TU810, TU812, TU814, TU830, and TU833.
What buying guide recommendations apply when replacing older output cards?
Verify that your control application can accommodate the 12-bit resolution with sign, a maximum 550 ohm load for current outputs, and individual galvanic isolation requirements.
What does the OSP LED indicate on the front panel?
The OSP LED indicates that the Output Set Point function has been engaged, forcing outputs to predetermined safe states due to an active system or channel error detection.

12-Month Comprehensive Warranty

Every part supplied by Global PLC Spare Hub is covered by a 12-month warranty from the date of invoice.

Coverage: Functional defects and hardware failures under normal operating conditions.
Commitment: We provide immediate repair, replacement, or a full refund for any verified defective components to minimize your operational downtime.

Returns & Exchange Policy

We offer a 30-day return policy to ensure you receive the exact part your system requires.

Eligibility: Returns are accepted for uninstalled items in their original, factory-sealed packaging.
RMA Process: Please contact our support team to obtain a Return Merchandise Authorization (RMA) number before shipping.
Fast Processing: Refunds or exchanges are processed within 3–5 business days after the returned item passes our technical inspection.

Need Technical Assistance?Not sure if this part is compatible with your system? [Consult our Engineers] before purchasing to ensure 100% compatibility.