Temperature Monitoring Solution – ABB 81ET03 GJR2403500R3010 | Advant AC500 Series
Where This Product Is Used
The ABB 81ET03 (GJR2403500R3010) is a dedicated temperature sensor input module engineered for demanding industrial environments. Engineers specify this module across a wide range of application sectors:
- HVAC & Building Automation: Precise multi-zone temperature acquisition for chiller plants, air handling units, and district heating systems.
- Process & Chemical Industry: Continuous temperature monitoring in reactors, heat exchangers, and distillation columns where accuracy is safety-critical.
- Energy & Power Generation: Turbine inlet/outlet temperature tracking, transformer thermal management, and substation automation.
- Food & Beverage / Pharmaceutical: GMP-compliant temperature logging in pasteurization lines, cold-chain storage, and clean-room environments.
- Water & Wastewater Treatment: Monitoring of biological reactor temperatures and heat-recovery systems.
- Pulp, Paper & Metals: High-temperature process control in dryer sections, furnaces, and rolling mills.
Technical Specifications
| Part Number | 81ET03 |
| Reference Number | GJR2403500R3010 |
| Manufacturer | ABB |
| Series | Advant AC500 / S500 I/O |
| Module Type | Temperature Sensor Input Module |
| Sensor Compatibility | RTD (Pt100, Pt1000, Ni100, Ni1000) / Thermocouple types (J, K, T, E, B, R, S) |
| Input Channels | Multi-channel (refer to ABB datasheet for exact channel count) |
| Communication Interface | S-Bus / AC500 backplane |
| Supply Voltage | 24 V DC (via backplane) |
| Operating Temperature | -25 °C to +60 °C |
| Protection Class | IP20 |
| Country of Origin | Germany |
| HS Code | 853710 |
| Weight | ~500 g |
Why Engineers Specify This Model
- Multi-sensor flexibility: Accepts both RTD and thermocouple inputs, eliminating the need for separate signal conditioners.
- High measurement accuracy: Low drift and high resolution ensure reliable closed-loop temperature control.
- Seamless AC500 integration: Plug-and-play compatibility with ABB AC500 CPU modules and S500 I/O bus — no additional gateways required.
- Robust industrial design: Wide operating temperature range and IP20 rating suit harsh plant-floor conditions.
- Simplified diagnostics: On-module LED status indicators and ABB Automation Builder software support rapid fault isolation.
- Long product lifecycle: ABB’s commitment to backward compatibility protects existing system investments.
Complete System Bill of Materials
For a fully operational ABB AC500 temperature monitoring node, consider pairing the 81ET03 with:
- ABB AC500 CPU (e.g., PM573, PM583, PM591) — system controller
- ABB TB521 / TB541 — terminal base for S500 I/O modules
- ABB PS501 / Automation Builder — programming and configuration software
- ABB CI501 / CI502 — fieldbus communication modules (PROFIBUS, Modbus TCP)
- Shielded twisted-pair sensor cables — for RTD/thermocouple wiring
- 24 V DC DIN-rail power supply — system power
Compliance & Industry Standards
- CE Marked — EU Machinery & Low Voltage Directives
- UL Listed — North American safety compliance
- IEC 61131-2 — Programmable controllers hardware requirements
- RoHS Compliant — Restriction of Hazardous Substances
- ATEX / IECEx — consult ABB for zone-rated variants
Quality Assurance & Sourcing
Every ABB 81ET03 GJR2403500R3010 unit supplied by Konmask.com is:
- Sourced from authorized ABB distribution channels or verified surplus inventories
- Inspected for physical integrity, label authenticity, and firmware revision prior to dispatch
- Shipped in anti-static protective packaging with full traceability documentation
- Backed by Konmask’s quality guarantee and post-sale technical support
How to Source This Part
Ready to order or need a formal quotation? Contact our industrial automation specialists:
- Email: support@konmask.com
- Phone / WhatsApp: +0086 19859288691
- Website: https://Konmask.com
We support single-unit purchases, bulk orders, and emergency same-day quotations. Lead times and pricing are confirmed upon inquiry.
Application-Specific FAQ
Q: Is the 81ET03 compatible with both Pt100 and thermocouple sensors simultaneously?
A: Channel configuration depends on firmware and wiring. Consult the ABB 81ET03 hardware manual or contact us for application-specific guidance.
Q: Can this module be used in a PROFIBUS DP network?
A: The 81ET03 communicates via the AC500 S-Bus backplane. PROFIBUS connectivity is achieved through a dedicated CI501 communication module on the same rack.
Q: What is the replacement or equivalent for the 81ET03?
A: ABB may offer updated variants within the AC500 V3 platform. Contact Konmask for cross-reference and upgrade path advice.
Q: Do you provide installation and commissioning support?
A: Yes. Our engineering team can provide remote commissioning guidance and configuration file templates for standard applications.
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Contact: support@konmask.com | +0086 19859288691
