TheABB DO880 (3BSE028602R1)is a high-integrity digital output module designed for the S800 I/O system, specifically for use in safety-instrumented systems (SIS). Certified forSIL3 (Safety Integrity Level 3)applications, this module provides 16 channels of 24V DC outputs. It is the cornerstone for high-risk industrial processes where fail-safe operation is mandatory, offering advanced internal diagnostics and the ability to run in either single or redundant configurations to ensure maximum plant availability.
Core Performance Features
SIL3 Certified High Integrity:Rigorously tested and certified for safety-critical loops. It must be configured according to the ABB Safety Manual to maintain its integrity rating.
Redundancy for Uptime:Supports dual-module redundant configurations. If one module fails, the secondary unit takes over seamlessly, preventing "nuisance trips" and costly process shutdowns.
Advanced "Self-Testing" Diagnostics:Features continuous on-board monitoring of internal hardware and output state health, ensuring that a failure to switch is detected and reported instantly.
Short-Circuit Protected:Each 0.5A output is electronically protected, preventing field wiring faults from damaging the internal module circuitry.
Versatile Termination:Compatible with a wide range of S800 baseplates (MTUs), allowing for flexible cabinet design and wiring.
Technical Breakdown
Part Number:3BSE028602R1
Designation:DO880
Output Channels:16
Voltage:24V DC
Current Rating:0.5A per channel
Safety Rating:SIL3 (when used in high-integrity configurations)
