Key Features & Technical Specifications
1. General Specifications
Module Type: 16-Channel Digital Input (DI)

Input Type: 24V DC (Sink/Source)

Input Voltage Range: 15–30V DC

Input Current: Typ. 6 mA per channel (at 24V DC)

Signal Delay: ≤3 ms (filter configurable)

Isolation: 500V AC (between field and logic side)

2. Connection & Wiring
Terminal Type: Screw terminals (removable)

Wire Cross-Section:

Solid Wire: 0.25–2.5 mm² (24–12 AWG)

Stranded Wire: 0.25–2.5 mm² (with ferrule recommended)

Short-Circuit Protection: Yes (per channel)

Reverse Polarity Protection: Yes

3. Mechanical & Environmental Data
Mounting: DIN rail (35 mm) or direct panel mounting

Dimensions (W×H×D): 60 × 125 × 117 mm

Weight: Approx. 450 g

Protection Class: IP20 (requires enclosure for dust/moisture protection)

Operating Temperature: 0°C to +60°C

Relative Humidity: 5–95% (non-condensing)

4. Diagnostics & Status Indicators
✔ LED per Channel (green = input active)
✔ Module Status LED (red = fault)
✔ Short-Circuit Indication (per channel)

Compatibility & Integration
Works with:

SIMATIC S7-300/400 PLCs

ET 200M Distributed I/O

PCS 7 Process Control System

Software Configuration: STEP 7 (TIA Portal or Classic)

Typical Applications
✔ Machine Control – Limit switch monitoring
✔ Process Automation – Valve position feedback
✔ Safety Systems – Emergency stop circuits
✔ Conveyor Systems – Sensor signal acquisition