ABB 81ET03 GJR2389800R1210 Temperature Input Module – AC 800M Process Controller Series
Imagine a critical refinery distillation column losing all temperature feedback at 3 AM — no alarms, no control, no safety interlock. Without a reliable temperature input module, that scenario is not hypothetical; it is a plant shutdown waiting to happen. The ABB 81ET03 (part number GJR2389800R1210) is the precision front-end that converts raw thermocouple and RTD signals into the clean, calibrated data your DCS needs to keep processes safe and profitable. When this module fails or goes missing, the entire control loop goes blind.
Within ABB’s AC 800M family — the backbone of distributed control in oil & gas, power generation, pulp & paper, and chemical processing worldwide — the 81ET03 occupies the role of high-accuracy analog temperature acquisition. It is engineered to meet the demanding signal-conditioning requirements of IEC 61511 functional-safety environments and is widely deployed across tens of thousands of process plants globally. Its long production history and broad installed base make it one of the most sought-after spare and replacement modules in the ABB ecosystem.
Technical Specifications
- Manufacturer: ABB
- Part Number / SKU: 81ET03 GJR2389800R1210
- Series: AC 800M (Advant Controller 800M)
- Module Type: Temperature Input Module
- Input Types: Thermocouple (TC) & RTD (Resistance Temperature Detector)
- Supported Sensor Types: J, K, T, E, R, S, B thermocouples; Pt100, Pt1000, Ni100 RTDs
- Number of Channels: Multi-channel analog temperature input
- Communication Interface: S800 I/O bus (compatible with CI810, CI820, CI830 communication interfaces)
- Power Supply: Supplied via S800 I/O bus backplane
- Operating Temperature: 0 °C to +55 °C
- Storage Temperature: −40 °C to +70 °C
- Weight: Approx. 600 g
- Certifications: CE, cULus (refer to ABB datasheet for full certification list)
- Form Factor: S800 I/O module, DIN-rail mountable via S800 I/O station
Note: Always verify specifications against the official ABB datasheet for your specific revision before installation.
Key Features & Benefits
- Universal Sensor Compatibility: Accepts the widest range of TC and RTD types, eliminating the need for separate signal conditioners and reducing panel wiring complexity.
- High Measurement Accuracy: Precision analog front-end minimizes drift and noise, ensuring temperature readings meet process quality and safety requirements.
- Hot-Swap Capability: Modules can be replaced under power in redundant S800 I/O station configurations, supporting zero-downtime maintenance strategies.
- Integrated Diagnostics: On-board self-diagnostics report sensor open-circuit, short-circuit, and out-of-range faults directly to the AC 800M controller, accelerating fault isolation.
- Seamless AC 800M Integration: Plug-and-play with ABB’s Control Builder M engineering tool — no custom driver development required.
- Long Service Life: Designed for continuous 24/7 industrial operation with robust EMC shielding and conformal-coated PCB options.
Industry & Equipment Applications
- Oil & Gas: Wellhead temperature monitoring, distillation column control, heat exchanger management, pipeline SCADA systems.
- Power Generation: Boiler temperature control, turbine exhaust monitoring, cooling water systems.
- Chemical & Petrochemical: Reactor temperature profiling, exothermic process safety interlocks, batch temperature logging.
- Pulp & Paper: Digester temperature control, dryer section monitoring, bleaching process management.
- Water & Wastewater: Sludge digester temperature, UV disinfection system monitoring.
- Pharmaceutical: Sterilization cycle temperature validation, clean-room HVAC control.
System Integration & Compatible Parts
The 81ET03 GJR2389800R1210 is designed to operate within the ABB S800 I/O ecosystem. Typical compatible components include:
- Communication Interfaces: CI810B, CI820V1, CI830, CI854A (PROFIBUS DP)
- I/O Stations: TB820V2, TB840A, TB845 (S800 I/O base units)
- Controllers: PM861A, PM864A, PM866A, PM891 (AC 800M CPUs)
- Power Supplies: SD821, SD822, SD823 (S800 I/O power supply modules)
- Engineering Software: ABB Control Builder M (CBM) v5.x and above
If you are unsure which configuration matches your existing installation, contact our technical team with your system topology and we will advise on the correct module revision.
Our Quality Assurance Process
- Source Verification: All ABB modules are sourced from authorized distributors, certified resellers, or directly from decommissioned OEM installations with full traceability documentation.
- Incoming Inspection: Every unit undergoes visual inspection, label verification (part number, revision, date code), and connector integrity checks upon receipt.
- Functional Testing: Where test fixtures are available, modules are powered and channel-level I/O is verified before dispatch.
- Packaging: Anti-static ESD bags, foam-lined boxes, and moisture-barrier packaging ensure safe transit to any global destination.
- Documentation: Certificate of conformity and test report available on request.
How to Order
- Click “Request a Quote” or contact us directly via email or WhatsApp.
- Provide your required quantity, delivery timeline, and destination country.
- Our team will confirm availability, lead time, and pricing within 24 business hours.
- Upon agreement, we issue a proforma invoice; payment via T/T, PayPal, or LC at sight.
- Shipment via DHL, FedEx, or sea freight with full tracking and export documentation (CO, packing list, commercial invoice).
Why Choose Konmask.com?
- ✅ Specialized in Industrial Automation Spares — ABB, Siemens, Honeywell, Emerson, Yokogawa, and more.
- ✅ Global Shipping — Delivered to 80+ countries with full export compliance support.
- ✅ Fast Response — Quote within 24 hours, emergency stock available for critical shutdowns.
- ✅ Competitive Pricing — Direct sourcing relationships keep costs lower than traditional distribution channels.
- ✅ Technical Support — Our engineers can assist with compatibility verification, installation guidance, and cross-reference queries.
- ✅ Trusted by MRO Teams Worldwide — Serving process plants, EPC contractors, and OEM service teams since 2015.
Frequently Asked Questions
- Q: Is the 81ET03 GJR2389800R1210 new or refurbished?
- A: We stock both new-in-box (NIB) and professionally refurbished units. Stock type is confirmed at the time of quotation. All units pass our QA process regardless of condition grade.
- Q: What is the lead time for this module?
- A: In-stock units ship within 1–3 business days. If not in stock, typical sourcing lead time is 2–4 weeks. Contact us for real-time availability.
- Q: Can this module replace an older revision of the 81ET03?
- A: In most cases, yes — ABB maintains backward compatibility across revisions of the 81ET03. However, always verify the revision level against your system’s hardware compatibility matrix in Control Builder M before installation.
- Q: Do you provide a warranty?
- A: Yes. We offer a 12-month warranty against manufacturing defects on all modules. Warranty terms are detailed in our sales agreement.
- Q: Can you supply other ABB AC 800M modules?
- A: Absolutely. We maintain an extensive inventory of AC 800M CPUs, communication interfaces, analog/digital I/O modules, and power supplies. Send us your full BOM for a consolidated quote.
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