Model Interpretation

AS: Modicon Automation System

B825: 16‑point DC input module (true‑high)

016: 24VDC, 16 points, single group, standard diagnostics

Technical Parameters

Inputs: 16 channels, 24VDC nominal

Logic: True‑high (sink, +24VDC = ON)

Input Voltage: 20–28VDC (continuous; max 30VDC)

Input Current: 10mA typical per point (24VDC)

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

Response Time: ≤2.5ms (ON→OFF / OFF→ON)

Backplane Power: +5V 40mA

Operating Temp: 0°C to +40°C

Storage Temp: -40°C to +85°C

Humidity: 5%–80% non‑condensing

Weight: ≈1.1kg

Dimensions: 50×119×125mm

Origin: USA

Interface & Configuration

Backplane: Modicon 800/984 I/O bus

Terminals: Screw terminals (16 inputs, 1 common group)

Indicators: LED per channel (ON when input active)

Wiring: 0.5–2.5mm² copper wires

Groups: 1 group of 16 points (no internal fuses)

Core Functions

DC Signal Sensing: Converts 24VDC discrete signals (switches, sensors) to PLC logic levels

Fast Response: 2.5ms transition time for high‑speed logic

Noise Immunity: Optical isolation suppresses ground loops and EMI

Status Visibility: Individual LEDs for quick fault/state checks

Wide Voltage Tolerance: 20–28VDC accommodates supply variation

Applications

Systems: Modicon 800, 984, 300‑series PLCs

Industries: Material handling, packaging, automotive, general automation

Use Cases: Pushbuttons, limit switches, proximity sensors, 24VDC 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