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6DD1602-0AE0

The 6DD1602-0AE0 is a digital input (DI) module from Siemens' SIMATIC family, designed for industrial automation and process control systems. This module provides 16 channels of 24V DC digital inputs, enabling reliable signal acquisition from sensors, switches, and other field devices.

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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