Genuine ABB AO820 3BSE008546R1 Analog Output Module | S800 I/O Series – Verified Source
The ABB AO820 (part number 3BSE008546R1) is a precision analog output module within ABB’s S800 I/O series — a cornerstone of distributed control systems (DCS) deployed across power generation, oil & gas, chemical processing, and pulp & paper industries worldwide. As a critical signal-conditioning component in ABB’s AC800M and Symphony Plus control architectures, the AO820 is no longer in mass production, making genuine, fully functional units increasingly scarce on the secondary market. This scarcity has driven a surge in counterfeit, refurbished-as-new, and non-OEM substitute modules — components that may appear identical externally but fail under industrial operating conditions, causing costly downtime, safety incidents, and warranty voids.
At Konmask, we source the ABB AO820 3BSE008546R1 exclusively through verified industrial automation supply channels with full traceability. Every unit we ship is confirmed genuine through physical inspection, functional testing, and documentation cross-referencing against ABB’s official part records. We do not sell relabeled, cloned, or refurbished-as-new units. Our commitment to authentic, verified components is the foundation of every transaction — because in process control, the cost of a counterfeit module is never just the purchase price.
Technical Specifications
- Part Number: AO820 / 3BSE008546R1
- Manufacturer: ABB (Asea Brown Boveri)
- Series: S800 I/O
- Module Type: Analog Output
- Number of Channels: 8 channels
- Output Signal Range: 4–20 mA / 0–20 mA (current); 0–10 V / ±10 V (voltage, configuration-dependent)
- Resolution: 12-bit (4096 steps)
- Accuracy: ±0.1% of full scale at 25°C
- Load Impedance (Current): Max 750 Ω
- Load Impedance (Voltage): Min 1 kΩ
- Supply Voltage: 24 VDC (via S800 I/O bus)
- Power Consumption: Approx. 4.5 W
- Operating Temperature: 0°C to +55°C
- Storage Temperature: -40°C to +70°C
- Humidity: 5–95% RH, non-condensing
- Protection Class: IP20
- Dimensions (W × H × D): 35 × 130 × 100 mm (approx.)
- Weight: Approx. 240 g
- Communication: S800 I/O bus (Modulebus)
- Compatible Controllers: AC800M, AC800F, Symphony Plus
- Certifications: CE, UL, cUL, ATEX (zone 2 with appropriate barrier)
- Country of Origin: Sweden / Germany (ABB manufacturing)
Specifications verified against ABB official documentation: 3BSE008546R1 Product Data Sheet and S800 I/O System Manual (3BSE020924R4).
Our 4-Step Quality Verification Process
Every ABB AO820 3BSE008546R1 unit shipped by Konmask passes through a structured, documented verification workflow before dispatch:
- Step 1 — Visual & Physical Authenticity Inspection: Each module is examined under controlled lighting for ABB OEM labeling integrity, PCB markings, connector pin condition, housing finish, and serial number format consistency with ABB’s known production batches. Cloned or relabeled units are rejected at this stage.
- Step 2 — Functional Bench Test: The module is powered via a compatible S800 I/O bus simulator. All 8 analog output channels are exercised across the full signal range (4–20 mA and 0–10 V). Output accuracy, channel isolation, and bus communication handshake are verified. Results are logged per channel.
- Step 3 — Documentation Cross-Reference: The unit’s serial number and hardware revision are cross-referenced against ABB’s part numbering conventions and, where available, against original procurement documentation. A Certificate of Conformance (COC) is issued for each verified unit.
- Step 4 — Packaging & Condition Grading: Units are graded as New (factory-sealed), New Open Box (unused, opened for inspection), or Tested Surplus (fully functional, cosmetic wear only). Grade is clearly stated on the packing list and invoice. Anti-static packaging, foam inserts, and moisture barrier bags are used for all shipments.
Available documentation upon request: Certificate of Conformance (COC) | Functional Test Report | Inspection Photos | Packing List | Certificate of Origin (COO) Declaration
Key Features & Benefits
- 8-Channel Simultaneous Analog Output: Drives up to 8 independent 4–20 mA or voltage output loops from a single compact module, reducing panel space and wiring complexity in DCS cabinets.
- 12-Bit Resolution with ±0.1% Accuracy: Meets IEC 61131-2 performance requirements for analog output modules, ensuring precise actuator and valve positioning in closed-loop control applications.
- Hot-Swap Capable on S800 Bus: Supports module replacement without system shutdown, compliant with ABB’s S800 I/O redundancy and availability design philosophy — critical for continuous-process industries.
- Integrated Channel Diagnostics: Per-channel open-circuit and short-circuit detection with status reporting to the AC800M controller, enabling predictive maintenance and rapid fault isolation per IEC 61508 SIL-capable system design guidelines.
- Wide Operating Temperature Range (0–55°C): Suitable for installation in industrial control rooms and field enclosures without additional climate control in most temperate and tropical environments.
- Seamless AC800M / Symphony Plus Integration: Native Modulebus protocol eliminates the need for signal converters or protocol gateways, preserving system timing integrity and reducing integration engineering hours.
Typical Applications
- Power Generation: Turbine governor control signal output, boiler feedwater valve positioning, and generator excitation reference signals in coal, gas, and hydro power plants running ABB Symphony Plus DCS.
- Oil & Gas Processing: Analog setpoint transmission to control valves, pressure regulators, and flow control elements in upstream separation trains and downstream refinery units.
- Chemical & Petrochemical Plants: Reactor temperature and pressure loop output signals, dosing pump speed references, and heat exchanger bypass valve control in continuous batch processes.
- Pulp & Paper Mills: Stock flow control, headbox pressure regulation, and dryer section steam valve positioning in integrated pulp and paper production lines.
- Water & Wastewater Treatment: Variable frequency drive (VFD) speed references for pump stations, chemical dosing control, and aeration blower modulation in municipal and industrial water treatment facilities.
- Marine & Offshore Platforms: Ballast control, thruster pitch reference, and process utility control on offshore production platforms and vessels equipped with ABB Marine automation systems.
Compatible System Components
- ABB AC800M Controller Modules (PM861, PM864, PM866, PM891)
- ABB S800 I/O Bus Extender (TB820V2, TB840A)
- ABB S800 I/O Cluster Modem (CI820V1, CI830)
- ABB S800 I/O Power Supply (SA811, SA812)
- ABB Analog Input Module AI820 (3BSE008544R1) — paired input/output configuration
- ABB Symphony Plus S800 I/O Termination Units (TU830V1, TU831V1)
- ABB ModuleBus Optical Link (MBOC, MBOB) for extended distance installations
- Third-party HART multiplexers (via HART-enabled AO820 variant, where applicable)
Global Sourcing & Shipping Capabilities
Konmask supplies genuine ABB AO820 3BSE008546R1 modules to industrial automation customers across Asia-Pacific, the Middle East, Europe, and the Americas. Our standard shipping and packaging practices include:
- Primary Markets Served: China (mainland), Hong Kong, Singapore, Malaysia, India, UAE, Saudi Arabia, Germany, Netherlands, USA, Canada, Australia
- Packaging Standard: Anti-static PE bag → foam-lined inner box → double-wall corrugated outer carton with shock-absorbing fill. Fragile and ESD labels applied.
- Shipping Methods: DHL Express, FedEx International Priority, UPS Worldwide, SF International, and sea freight consolidation for bulk orders
- Lead Time: In-stock units ship within 1–3 business days of payment confirmation. Pre-order units: 7–21 business days depending on sourcing location.
- Export Documentation: Commercial invoice, packing list, COO declaration, and COC provided as standard. Additional export compliance documents available on request.
- Customs & HS Code: Classified under HS 8537.10 (Boards, panels, consoles for electric control) or 8471.80 as applicable by destination country.
Certifications & Compliance Statement
- CE Marking: Compliant with EU Low Voltage Directive (2014/35/EU) and EMC Directive (2014/30/EU)
- UL / cUL Listed: Recognized under UL 508 (Industrial Control Equipment)
- ATEX: Suitable for Zone 2 hazardous area installation with appropriate certified barriers (Ex nA IIC T4 Gc)
- RoHS Compliant: Meets EU Directive 2011/65/EU restrictions on hazardous substances
- IEC 61131-2: Programmable controller hardware conformance for analog I/O performance
Konmask Quality Commitment: We warrant that all ABB AO820 3BSE008546R1 units supplied are genuine OEM components, free from counterfeit, unauthorized remanufacturing, or misrepresentation of condition. Any unit found to be non-genuine within 12 months of shipment will be replaced or fully refunded at Konmask’s cost, including return freight. This commitment is backed by our documented 4-step verification process and available test records.
How to Order
- Step 1 — Submit Your Inquiry: Add to cart and complete checkout, or contact us directly at [email protected] with your required quantity, delivery timeline, and any specific documentation requirements (COC, test report, photos).
- Step 2 — Receive Confirmation & Proforma Invoice: Our team will confirm stock availability, unit condition grade, and pricing within 24 hours (business days, UTC+8). A proforma invoice with full part details is issued before payment.
- Step 3 — Payment, Verification & Dispatch: Upon payment confirmation, your unit undergoes final pre-shipment inspection. Tracking information and all export documents are sent within 1–3 business days.
Sample & Test Report Policy: Pre-shipment inspection photos and functional test reports are available for all orders. Physical samples for evaluation are available for qualified buyers on bulk inquiries (MOQ and terms apply). Contact us to discuss your requirements.
Authenticity & Trust FAQ
- Q: How can I verify that the ABB AO820 I receive from Konmask is genuine?
- A: Every unit we supply comes with a Certificate of Conformance (COC) documenting the inspection steps, tester ID, and test date. We also provide pre-shipment photos showing the module’s label, PCB, and connector condition. Upon receipt, you can verify the serial number format against ABB’s known production conventions and confirm the module communicates correctly on your S800 I/O bus. If you have any doubt after receipt, contact us within 7 days and we will work with you to resolve it — including third-party verification if required.
- Q: What is Konmask’s warranty policy for the AO820 3BSE008546R1?
- A: We provide a 12-month authenticity and functionality warranty from the date of shipment. If a unit fails due to a manufacturing defect or is found to be non-genuine, we will replace it or issue a full refund including return shipping costs. Warranty does not cover damage caused by incorrect installation, overvoltage, or use outside ABB’s specified operating conditions. Warranty claims are processed within 5 business days of receiving the returned unit.
- Q: Can Konmask provide a functional test report before I commit to purchase?
- A: Yes. For orders of 1 unit or more, we can provide a pre-shipment functional test report showing per-channel output accuracy results across the 4–20 mA range. For larger orders or critical applications, we can also arrange video documentation of the bench test. Please request this at the time of inquiry so we can schedule it into our pre-shipment workflow without delaying your delivery.
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