Model Definition

• AS: Modicon Automation System component

• B801: Single-slot filler module for 800-series racks

• 000: Standard version, no additional features

Technical Specifications

• Type: Empty slot filler plate

• Compatibility: Modicon 800, 984, and 300-series backplanes (8/11-slot)

• Material: Industrial-grade plastic, flame-retardant

• Dimensions: 125 × 90 × 75 mm (W×H×D, same as standard I/O modules)

• Weight: Approx. 0.33 kg (0.73 lbs)

• Color: Gray (matches Modicon rack design)

• Protection Class: IP20

• Operating Temperature: 0°C to +60°C

• Storage Temperature: −40°C to +70°C

Interface & Configuration

• Mounting: Direct insertion into standard Modicon 800/984 rack slots

• Backplane: Matches 984-series I/O bus profile (no electrical connection)

• Installation Tool: None required (push-fit)

Core Functions

• Slot Occupancy: Covers unused slots to prevent dust/debris ingress

• Airflow Optimization: Maintains consistent cooling airflow across the rack

• Structural Support: Preserves rack rigidity and module alignment

• Backplane Protection: Shields unused backplane connectors from damage

Application Scenarios

• Systems: Modicon 800, 984, 300-series PLC racks

• Industries: Process control, manufacturing, automation, legacy system maintenance

• Use Cases: Unused slot blanking, rack aesthetics, environmental protection

Compatibility

• Racks: Modicon 800-series, 984-series, 300-series 8/11-slot backplanes

• Module Family: Interchangeable with AS-B802-000 (dual-slot) and other B80x filler modules

Status

• Discontinued: Obsolete, no longer manufactured

• Availability: New surplus, refurbished, or used units with 1–2 year warranty