The Schneider Electric Modicon M172 expansion module, identified by the part number TM172ASCTB28E, is designed to extend the input/output capabilities of M172 series controllers. This specific unit features 28 I/O points terminated via convenient screw terminal blocks, facilitating straightforward wiring and maintenance in industrial control environments. It integrates seamlessly into existing Modicon M172 automation architectures, providing additional digital and analog I/O as required by complex machine control or process automation tasks.

Technical details

• Series: Modicon M172
• Expansion Module Type: I/O Expansion
• Total I/O Points: 28
• Terminal Type: Screw Terminal Blocks
• Form Factor: Compact expansion unit designed for DIN rail mounting
• Communication Protocol: Compatible with Modicon M172 controller communication protocols (verify specific protocol support with manufacturer datasheet)
• Power Requirements: Requires power from the M172 controller or a compatible power supply (verify voltage and current requirements with manufacturer datasheet)
• Environmental Rating: Suitable for industrial environments (verify specific IP rating and operating temperature range with manufacturer datasheet)

Applications & compatibility

This Modicon M172 expansion module is commonly deployed in applications requiring expanded I/O capacity for discrete control and monitoring. It is well-suited for integration into packaging machinery, material handling systems, HVAC control units, and other automated equipment where precise input sensing and output actuation are critical. Its screw terminal design ensures reliable connections for sensors, actuators, and other field devices.

Available from Industrial Automation Co as new, refurbished, or surplus stock, backed by a 2-year warranty with same-day shipping on in-stock items. Request a quote for the TM172ASCTB28E or contact our technical team for cross-reference assistance with compatible Modicon M172 components.