Model Interpretation

AS: Modicon Automation System

B814: 8‑point relay output module

108: 8 points, 1 common per channel (isolated)

Technical Parameters

Outputs: 8 independent relay channels (NO/NC configurable)

Load Ratings:

5A @ 30VDC (resistive)

4A @ 230VAC (resistive)

Isolation: 1500VAC channel‑to‑backplane, 500VAC channel‑to‑channel

Relay Life: 100,000 operations @ full load (25°C)

Response Time: 10ms max (ON/OFF)

Backplane Power: +5V 80mA, +4.3V 2mA, -5V 20mA

Operating Temp: 0°C to +60°C

Storage Temp: -40°C to +85°C

Humidity: 5%–95% non‑condensing

Protection: IP20

Weight: ≈0.32kg

Dimensions: 50×119×125mm

Interface & Configuration

Backplane: Modicon 800/984 I/O bus

Terminals: Screw terminals (8 outputs, 8 commons)

Indicators: LED per channel (ON when relay energized)

Configuration: Onboard jumpers for NO/NC selection (default NO)

Wiring: 0.5–2.5mm² copper wires

Core Functions

Isolated Relay Switching: 8 fully isolated outputs for mixed AC/DC loads

NO/NC Flexibility: Per‑channel jumper selection for diverse wiring needs

High Surge Capacity: Withstands industrial load transients

Visual Diagnostics: LED status for quick troubleshooting

Compact High‑Density: 8 points in one slot for space efficiency

Applications

Systems: Modicon 800, 984, 300‑series PLCs

Industries: Manufacturing, material handling, packaging, textile

Use Cases: Motor starters, solenoids, pilot lamps, relay coils, 230VAC auxiliary circuits

Compatibility

Racks: Modicon 800/984 8/11‑slot backplanes

CPUs: AS‑984B‑128, PC‑E984‑685, AS‑9370‑001

Software: Concept, ProWORX 32, P190