TheAI880A(38SE039293R1) is a high-integrity 8-channel analog input module specifically engineered for the S800 I/O platform. It is designed to handle 0 to 20 mA and 4 to 20 mA signals in safety-critical environments, providing the reliability required for SIL3 and Category 4 applications. The module facilitates seamless integration with 2-wire or 3-wire transmitters by distributing supervised, current-limited power to each individual channel.
Technical Specifications
Module Type:High Integrity Analog Input
Model Number:AI880A(38SE039293R1)
Number of Channels:8
Signal Range:0..20 mA, 4..20 mA (Unipolar single-ended)
HART Support:Yes, pass-through communication enabled
Resolution:12 bit
Input Resistance:250 ohm
Redundancy:Supported for both single and redundant configurations
Safety Ratings:SIL3 (IEC 61508), Category 4 (EN 954-1)
Diagnostic Compliance:NAMUR NE43 (configurable over/under range limits)
Isolation:1 group of 8 channels isolated from ground and ModuleBus
Advanced Functionality
TheAI880A(38SE039293R1) provides robust diagnostics including loop supervision and configurable alarm limits for field power outputs. Its ability to support HART pass-through allows engineers to perform remote configuration and retrieve advanced diagnostic data from smart field instruments. The hardware is optimized for high-availability systems, ensuring that even in complex industrial setups, signal integrity is maintained via group isolation and sophisticated on-board monitoring.
