Model Interpretation

AS: Modicon Automation System

B827: 32‑point DC input module (true‑high, 4×8 groups)

001: Revised hardware version of 000; same I/O logic, updated components/layout, 4×8 fused groups.

Technical Parameters

Inputs: 32 channels, 24VDC nominal (true‑high/PNP)

Operating Voltage: 20–28VDC (continuous)

Input Current: 6mA typical @24VDC

ON Threshold: ≥15VDC; OFF Threshold: ≤5VDC

Isolation: Optical coupling, 1500VAC channel‑to‑backplane

Response Time: ≤1ms (ON/OFF)

Backplane Power: +5V 100mA; +4.3V 1mA

External Power: 24VDC ±4%, 70mA (excluding sensors)

Operating Temp: 0°C to +55°C

Storage Temp: -40°C to +85°C

Humidity: 5%–95% non‑condensing

Weight: ≈1.04kg

Dimensions: 50×119×125mm

Origin: France

Interface & Configuration

Backplane: Modicon 800/984 I/O bus

Terminals: Screw terminals (32 inputs, 4 commons; 8 points/group)

Indicators: LED per channel (ON when active)

Fuses: 4× field‑replaceable fuses (per 8‑point group)

Filter: 8ms fixed input filter (anti‑chatter)

Wiring: 0.5–2.5mm² copper wires

Terminal Connector: AS‑8534‑000

Core Functions

High‑Density 24VDC Input: 32‑point true‑high input for PNP sensors, pushbuttons, limit switches

Grouped Fault Isolation: 4×8 fused groups allow per‑group fault detection and replacement

Optical Isolation: Reduces electrical noise and ground loops

Status Visibility: Individual LEDs for quick channel state checks

Noise Filtering: 8ms filter to eliminate contact bounce

Applications

Systems: Modicon 800, 984, 300‑series PLCs

Industries: Material handling, packaging, automotive, general automation

Use Cases: Proximity sensors, photoeyes, pushbuttons, relay contacts

Compatibility

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

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

Software: Concept, ProWORX 32, P190