Overview
The Modicon AS-S911-800 is a hot standby processor module engineered by Modicon Inc., an AEG Company, for industrial automation systems requiring maximum uptime and reliability. This processor is part of the Modicon 800 Series I/O family and delivers redundant processing capabilities with automatic switchover in the event of primary processor failure.
Key Features
- Hot standby redundancy with automatic failover for uninterrupted operation
- Mission-critical system reliability and high availability
- Seamless integration with existing Modicon automation systems
- Durable industrial-grade construction for harsh control environments
- Automatic error detection and processor switchover without system shutdown
Technical Specifications
- Series: Modicon S911 Hot Standby Processor
- Manufacturer: Modicon Inc. (AEG Company)
- Weight: 1.12 kg
- Product Family: Modicon 800 Series I/O
- Functionality: Redundant processor with automatic failover
- Origin: USA
Typical Applications
- Industrial production units and manufacturing plants requiring continuous operation
- Power generation, oil and gas, and chemical process control systems
- Mission-critical automation environments where system failure is unacceptable
- Redundant processor backup in high-availability control architectures
Compatibility & Replacements
Compatible With
- Modicon 800 Series automation systems and I/O modules
- AEG automation control platforms
- Existing Modicon processor-based configurations
Replaces / Drop-In Replacement For
- AS-S911-801 (alternate model variant)
- AS-9441-801 (equivalent part number)
Works With
- Modicon 800 Series I/O modules and expansion units
- AEG automation programming and configuration tools
- Modicon redundant processor pairing configurations









