Schneider Electric TM221C24T Modicon M221 PLC Base Unit

Description

Designed to optimize small machine control processes, the TM221C24T serves as a compact and highly efficient programmable logic controller (PLC) base unit within the Schneider Electric Modicon M221 series. This controller integrates robust discrete and analog input/output functionalities, making it suitable for modern industrial automation architectures requiring precise PNP transistor output modulation.

The unit features 14 integrated digital inputs, 2 analog inputs, and 10 transistor PNP outputs, delivering localized I/O density in a compact form factor. It is designed to act as a stand-alone controller or as part of a distributed system when expanded with TM3 expansion modules. Communication options include serial and USB connections, facilitating simplified programming and system integration.

Features

• Equipped with 14 discrete inputs, including 4 high-speed inputs conforming to IEC 61131-2 Type 1 standards.
• Features 10 discrete transistor PNP outputs with 2 fast outputs for dynamic switching applications.
• Includes 2 integrated analog inputs with a 0 to 10 V input range and 10-bit resolution.
• Supports expansion with Modicon TM3 and TM2 series digital, analog, and safety modules.
• Programmable with EcoStruxure Machine Expert - Basic software.
• Provides flexible mounting options on standard 35 mm DIN rails or direct panel mounting.

Applications

• Packaging and labeling machinery
• Conveyor and material handling systems
• Pumping and simple water treatment automation
• HVAC and building management control systems
• Special purpose assembly machines

Technical Specifications

Connections and Interfaces

Installation Guidelines

• Mounting: Mount horizontally or vertically on a 35 mm symmetric DIN rail (TH35-7.5 or TH35-15) or directly to a flat panel using the integrated mounting brackets.
• Thermal Management: Maintain a minimum clearance of 50 mm above and below the controller to ensure natural convection cooling.
• Wiring: Use shielded cables for all analog input lines and communication links to prevent electromagnetic noise coupling.
• Grounding: Connect the functional ground (FE) terminal directly to a low-impedance earth ground connection using a wire size of at least 1.5 mm² (16 AWG).

Compliance and Certifications

• CE
• cULus Listing
• RCM
• EAC