Description

Simens 6DD1640-0AH0 Incremental Signal Module with Encoder Input for TDC

Engineers and system integrators rely on the Siemens 6DD1640-0AH0 to bridge the gap between field devices and central control systems in everything from manufacturing lines to process plants. Its ability to handle both analog and digital signals, along with encoder inputs, eliminates the need for multiple specialized modules, simplifying system architecture while improving response times. This integration not only reduces hardware costs but also minimizes potential points of failure in critical automation setups.

Label	Specification
Model Number	6DD1640-0AH0
Brand	Siemens
Type	SIMATIC TDC SM500 Signal Module
Input Voltage	24V DC
Output Voltage	5V DC
Operating Temp	0°C ~ 40°C
Communication Method	PROFIBUS DP, TCP/IP compatible
Mounting	DIN rail-compatible subrack installation
Weight	0.558 kg
Certifications	CE compliant
Dimensions	23.30 x 30.30 x 4.20 cm
IP Rating	IP20 (when installed in enclosed cabinet)
Protocols Supported	SIMATIC TDC system protocols
I/O Configuration	8 AI, 8 AO, 16 DI, 16 DO, 4 incremental encoder inputs, 4 absolute encoder inputs

The Siemens 6DD1640-0AH0 has been engineered with industrial durability at its core, featuring a robust construction that withstands the vibrations, temperature fluctuations, and electrical noise common in factory environments. Its high-speed signal processing capabilities ensure that critical data is acquired and acted upon in real time, with sampling rates that meet the demands of precision manufacturing and process control applications. Unlike single-function modules, its multifunctional design allows for flexible configuration, adapting to changing production requirements without complete system overhauls.

The Siemens 6DD1640-0AH0 integrates seamlessly with both DCS and SCADA systems, providing the critical link between field devices and central control platforms. Its ability to process multiple signal types simultaneously makes it ideal for complex machinery where analog sensors, digital actuators, and positioning encoders must work in perfect harmony. By consolidating these functions, the Siemens 6DD1640-0AH0 enhances process reliability while reducing the complexity of wiring and system maintenance.

6DD1640-0AH1 – A sibling module with simplified I/O configuration (16 DI/16 DO) for less complex applications

6DD1681-0AF4 – A dedicated binary input module frequently paired with the SM500 series in high-density I/O setups

6DD1661-0AE1 – Communication module that enables extended network connectivity for the Siemens 6DD1640-0AH0

6DD1600-0BA2 – CPU module that serves as the processing core for systems incorporating the Siemens 6DD1640-0AH0