The ABB AI880A (3BSE039293R1) is a high-integrity analog input module designed for the S800 I/O system. This module is specifically engineered for safety-critical applications, providing 8 channels for current inputs. It is designed to support both single and redundant configurations, ensuring high availability and reliability in demanding industrial environments.
Features
- 8 channels for 0...20 mA or 4...20 mA unipolar single-ended inputs
- Certified for SIL3 safety applications according to IEC 61508
- Supports HART pass-through communication
- 12-bit resolution for precise signal measurement
- Configurable over/under range limits and alarm limits for field power
- Current-limited transmitter supply per channel
- Advanced on-board diagnostics for improved system monitoring
- Isolated channel group from the ModuleBus
Applications
- Oil and Gas: Offshore drilling platforms and natural gas compression stations
- Refining and Petrochemicals: Ethylene cracking, ammonia synthesis, and hazardous chemical storage
- Power Generation: Furnace safety monitoring and steam turbine bypass valve control
- Water Treatment and Metallurgy: Industrial gas recovery systems
Technical Specifications
| Product Model | AI880A 3BSE039293R1 |
| Number of Channels | 8 |
| Signal Range | 0..20 mA, 4..20 mA |
| Resolution | 12 bit |
| Input Impedance | 250 Ohm (with shunt stick TY801) |
| Max Input Voltage (Non-destructive) | 11 V DC |
| NMRR (50Hz, 60Hz) | > 40 dB |
| Rated Insulation Voltage | 50 V |
| Dielectric Test Voltage | 500 V AC |
| Operating Temperature | 0 to +55 degC |
| Storage Temperature | -40 to +70 degC |
Installation Guidelines
- Ensure the module is installed on a compatible Module Termination Unit (TU834, TU844, TU845, or TU854).
- Always power down the system before inserting or removing the module from the I/O rack to prevent electrical damage.
- Handle the module using ESD-safe practices to protect sensitive internal components.
- Ensure proper grounding of the I/O rack and shielding of signal cables to minimize EMI interference.
- Verify that field power supply wiring is correctly connected to the termination unit for transmitter excitation.
FAQ
What is the primary use of the AI880A?
The AI880A is a high-integrity analog input module used in safety-critical S800 I/O systems, specifically designed to meet SIL3 requirements for measuring current signals from field transmitters.
Is this module compatible with HART communication?
Yes, the AI880A supports HART pass-through communication, allowing for device configuration and diagnostics through the analog loop.
Can this module be used in redundant configurations?
Yes, the AI880A is designed to support both single and redundant configurations to meet high-availability requirements.
What's clients say about us
Excellent Emergency Support!
Our production line was down due to a faulty Bently Nevada monitor. We found it in stock here and they shipped it via DHL immediately. Back in operation within 48 hours—truly a lifesaver for our plant.
Mark Thompson
Maintenance Manager, USAReliable Source for New Spares
Finding brand new, original modules is critical for our safety. This team delivers factory-fresh components with full certification. Their commitment to only selling new products makes them our most trusted partner.
Robert Hoffmann
Engineering Lead, GermanyTop-tier Service and Quality
We have sourced Honeywell and Schneider parts here for two years. Every shipment arrives well-packaged with original factory seals intact. Clear communication and the best lead times in the industry.
Lucas Müller
Operations Director, GermanyRelated Products
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Guide
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