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PRODUCT POSITION:HOMEPRODUCT—6DD1661-0AB1
6DD1661-0AB1
The Siemens 6DD1661-0AB1 is a high-performance Communication Processor (CP) module designed for industrial automation systems, providing advanced network connectivity for Siemens SIMATIC controllers.
DESCRIBE
Key Specifications
Parameter Specification
Product Type Communication Processor Module
Interface Type PROFIBUS DP
Data Transfer Rate 9.6 kbps to 12 Mbps
Protocol Support PROFIBUS DP V0/V1, FDL
Connector 9-pin D-sub (RS-485)
Power Supply 24V DC (via backplane)
Power Consumption 1.5W typical
Memory 128KB (for communication services)
Address Range Up to 125 stations
Operating Temperature 0°C to +60°C
Dimensions 40 × 125 × 120 mm
Weight 350g
Certifications CE, UL, cULus, RoHS
Technical Features
Dual-port design for network segmentation

Diagnostic LEDs for status monitoring

Integrated routing functionality

Clock synchronization capability

Supports S7 communication services

PG/OP communication functions

Configurable via STEP 7

Compatibility
SIMATIC S7-300 series PLCs

ET 200M distributed I/O systems

TIA Portal compatible

Works with all PROFIBUS DP devices
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