The Schneider Electric TM221C40T is a high-performance logic controller from the Modicon M221 range, designed specifically for hardwired automation architectures. This compact, all-in-one controller integrates a powerful CPU with extensive onboard I/O, communication ports, and expansion capabilities, delivering exceptional versatility for machine builders and system integrators.

I/O Configuration and Performance

The TM221C40T offers a comprehensive I/O configuration:

• Digital Inputs: 24 discrete inputs, including 4 fast inputs (I0, I1, I6, I7) with 5 µs response time, conforming to IEC 61131-2 Type 1.
• Digital Outputs: 16 PNP transistor outputs (source logic), including 2 fast outputs (Q0, Q1) with 5 µs response time and 10-bit resolution for PWM and pulse train applications.
• Output Current: 0.5A per output with overload and short-circuit protection at 1A.
• Control Signal Types: Supports pulse/direction, single phase, A/B quadrature, frequency generator, PWM, and PLS (Pulse String Output).

Processing Power and Memory

The controller delivers benchmark performance for demanding machine control applications:

• Execution Speed: 0.2 µs per Boolean instruction, ensuring rapid response for high-speed automation tasks.
• User Memory: 256 kB RAM for user application and data storage, plus 256 kB built-in flash memory for program backup and retention during power loss (up to 1 year at 25°C).
• Expandable Storage: SD card slot supporting up to 2 GB for program backup, firmware updates, and data logging.
• PID Control: Supports up to 14 simultaneous adjustable PID regulation loops.

Communication and Connectivity

The TM221C40T provides versatile connectivity options for seamless integration:

• USB Port: Mini B USB 2.0 connector for programming and configuration via EcoStruxure Machine Expert - Basic (SoMachine Basic).
• Serial Link 1: Non-isolated RS485 interface with RJ45 connector, supporting Modbus RTU/ASCII (master/slave) and SoMachine-Network protocols.
• Serial Link 2: Non-isolated RS232/RS485 interface with RJ45 connector, providing additional communication flexibility.
• Expansion Capability: Supports up to 7 TM3 expansion modules for additional I/O, analog, and specialty functions.

Installation and Environmental Specifications

Designed for industrial environments, the TM221C40T features:

• Mounting: DIN rail mount (TH35-15 or TH35-7.5 rails conforming to IEC 60715) or panel mount with optional fixing kit.
• Dimensions: 160 mm (W) x 70 mm (D) x 90 mm (H).
• Weight: 0.456 kg.
• Operating Temperature: -10°C to +55°C (horizontal installation); -10°C to +35°C (vertical installation).
• Storage Temperature: -25°C to +70°C.
• Protection Degree: IP20 with protective cover in place.
• Power Supply: 24V DC (20.4V to 28.8V DC), with 35A inrush current.

Programming Environment

The Modicon M221 series is programmed using EcoStruxure Machine Expert - Basic (formerly SoMachine Basic), Schneider Electric's intuitive software for configuring, programming, and commissioning logic controllers. The software supports multiple programming languages including Ladder Diagram, Instruction List, and Grafcet (SFC), along with ready-to-use application function blocks that accelerate development and reduce time-to-market.

Certifications and Compliance

The TM221C40T meets rigorous international standards and certifications:

• Product Certifications: CE, UKCA, cULus, cULus HazLoc, EAC, RCM.
• Marine Certifications: ABS, DNV-GL, LR, IACS E10.
• Standards: IEC 61131-2, UL 508, CAN/CSA C22.2 No. 213, ANSI/ISA 12-12-01, EN/IEC 61010-2-201, EN/IEC 60664-1.
• Environmental: RoHS compliant, mercury-free.

Applications

The TM221C40T is ideal for a wide range of hardwired machine automation applications, including:

• Packaging machinery and labeling equipment
• Material handling and conveyor systems
• Small to medium assembly and production lines
• Pumping and HVAC control systems
• Textile and printing machines