Siemens TXM1.16D input module

The SIEMENS TXM1.16D is a Digital Input Module belonging to the TX-I/O™ range, commonly used in industrial and building automation systems like Siemens Desigo.

Product Specifications (Product Parameters)

Key Advantages (Product Advantages)

• High Density: Provides 16 digital input points in a compact DIN rail format, optimizing cabinet space.

• Flexibility: Each of the 16 inputs can be individually configured for various signal types (status, pulse, counter), making it versatile for different applications.

• Hot-Swappable: The I/O module is plug-in, allowing for quick replacement without disturbing the terminal wiring or the self-establishing bus connection.

• Easy Diagnostics: Each input point features a green LED for immediate visual status indication, aiding in fast troubleshooting.

• Simplified Installation: Features a separate terminal base and plug-in I/O module for improved workflow and a self-establishing bus connection for maximum ease of installation.

Important Notes (Precautions)

• Power Supply: Ensure the supply voltage is within the specified DC $21.5...26 \text{ V}$ range.

• Input Isolation: Digital inputs are not electrically separated from the system electronics. Mechanical contacts must be volt-free (dry contacts). Electronic switches must comply with SELV/PELV standards.

• Counter Limits: The high-frequency counter function (up to $10 \text{ Hz}$) is only available on the first 8 I/O points (I/O points 1-8).

• Wiring: Use appropriate wire sizes for the rising cage terminals ($1 \times 0.5 \text{ mm}^2$ to $4 \text{ mm}^2$ solid, or stranded with connector sleeves).

Applications (Product Application)

The TXM1.16D is primarily used in Building Automation and Industrial Automation systems for:

• Remote Monitoring and Control: Acquiring data from field devices.

• Data Acquisition: Connecting and monitoring signals from switches, sensors (e.g., limit switches, pressure switches), and other control devices.

• Building Management Systems (BMS): Integrating external status signals (e.g., fan running status, door open/closed, fire alarm signals).

• Pulse Counting: Monitoring energy meters or flow meters that provide a pulse output (on inputs 1-8).

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