6DD1681-0GK0 - SIEMENS - Products - Easy Semiconductor Technology (Hong Kong) Limited

6DD1681-0GK0

The Siemens 6DD1681-0GK0 is a high-performance industrial communication processor designed for robust data exchange in automation systems, featuring advanced PROFIBUS DP connectivity for Siemens control platforms.

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Key Specifications
Parameter Specification
Product Type PROFIBUS DP Communication Processor
Interface Standard IEC 61158/EN 50170 PROFIBUS DP
Data Transfer Rate 9.6 kbps - 12 Mbps (auto-negotiating)
Electrical Interface RS-485 (shielded twisted pair)
Connector 9-pin D-sub female
Termination Integrated switchable termination resistor
Power Supply 24V DC (19.2-28.8V) via backplane
Power Consumption 1.8W typical
Isolation Voltage 500V AC (fieldbus to logic)
Operating Temperature 0°C to +60°C
Dimensions 40 × 125 × 117 mm (W×H×D)
Weight 320g
Protection Class IP20
Certifications CE, UL, cULus, RoHS
Technical Features
Dual-channel PROFIBUS DP for redundant configurations

Diagnostic LEDs for power, bus activity and error status

Galvanic isolation between fieldbus and system electronics

Automatic baud rate detection

Supports up to 125 nodes per segment

Compact metal housing for EMI protection

Screw-type terminal blocks for vibration-resistant connections

Configurable via STEP 7/TIA Portal

Compatibility
SIMATIC S7-300/400 PLC systems

ET 200M distributed I/O stations

All PROFIBUS DP V0/V1 compatible devices

Supported by STEP 7 V5.x and TIA Portal

Typical Applications
Automotive production lines

Petrochemical process control

Steel/metal processing plants

Power generation systems