Introduction

The Schneider TM221CE24U Logic Controller Module is part of the Modicon M221 PLC family, developed to deliver efficient and reliable automation control for compact industrial machines. Combining fast transistor outputs, integrated analog inputs, Ethernet connectivity, and TM3 expansion compatibility, it provides a versatile solution for machine builders and automation professionals.

Designed for applications that demand both performance and flexibility, the TM221CE24U offers a streamlined control architecture with powerful communication features and scalable expansion options. Its compact structure helps reduce cabinet space while maintaining the functionality required for modern industrial automation projects.

Technical Specifications

Parameter	Specification
Brand	Schneider Electric
Model Number	TM221CE24U
Product Type	Logic Controller Module
Product Range	Modicon M221
Controller Type	Compact PLC
Rated Supply Voltage	24 VDC
Supply Voltage Range	20.4...28.8 VDC
Integrated I/O Number	24
Digital Inputs	14
Fast Inputs	4
Input Type	24 VDC Sink/Source
Analog Inputs	2
Analog Input Range	0...10 V
Analog Resolution	10 bits
Transistor Outputs	10
Fast Outputs	2
Output Type	Sink Transistor (NPN)
Output Voltage	24 VDC
Output Current	0.5 A per output
Communication Interface	Ethernet + Serial Line
Programming Interface	USB
Memory Expansion	SD Card Supported
Expansion Compatibility	Modicon TM3 Modules
Maximum Local Expansion Modules	7
Maximum Remote Expansion Modules	14
Mounting Type	DIN Rail Mounting
Protection Rating	IP20
Operating Temperature	-10...55°C
Storage Temperature	-25...70°C
Dimensions (W × H × D)	Approx. 110 × 90 × 70 mm
Weight	Approx. 270 g

Recommended Companion Models

Model	Product Name
TM3DQ16U	Schneider Modicon TM3 Transistor Output Expansion Module
TM3AI4	Schneider Modicon TM3 Analog Input Expansion Module
TM3TI4	Schneider Modicon TM3 Temperature Input Module
TM3XREC1	Schneider Modicon TM3 Remote Receiver Module

Frequently Selected Alternatives

Model	Product Name
TM221CE16U	Schneider Modicon M221 16 I/O Ethernet Transistor Logic Controller
TM221CE24T	Schneider Modicon M221 24 I/O Ethernet PNP Transistor Logic Controller
TM221CE40U	Schneider Modicon M221 40 I/O Ethernet Transistor Logic Controller
TM241CEC24T	Schneider Modicon M241 Ethernet Transistor Logic Controller

Where It Excels in Industrial Use

• High-Speed Industrial Machine Control
The Schneider TM221CE24U is a Modicon M221 compact logic controller designed for automation systems that require fast transistor outputs, stable PLC processing, and flexible machine control. It is suitable for packaging equipment, assembly systems, conveyor lines, and automated production machinery where accurate timing and reliable operation are essential.

• OEM Automation Equipment Integration
With 24 integrated I/O points, Ethernet communication, analog input capability, and TM3 expansion support, the TM221CE24U provides a practical control platform for OEM manufacturers developing compact and scalable machines.

• Fast Switching and Motion-Related Applications
The transistor output design enables rapid switching functions, pulse generation, and high-speed control tasks, making the controller suitable for machines requiring precise actuator control and repeatable operation.

• Connected Automation Systems
The integrated Ethernet interface, serial communication capability, USB programming port, and Modbus support allow the TM221CE24U to connect with HMIs, drives, monitoring devices, and industrial networks.

Key Strengths at a Glance

• High-Performance Transistor Output Design
The TM221CE24U features 10 transistor outputs, including fast outputs, providing reliable 24 VDC switching performance for demanding automation applications.

• Integrated Digital and Analog Control Capability
The controller combines 14 digital inputs, 10 transistor outputs, and 2 analog inputs supporting 0...10 V signals, allowing direct connection of sensors, switches, and industrial devices.

• Flexible Modicon M221 Expansion Platform
Supporting Modicon TM3 expansion modules, the TM221CE24U enables additional I/O and specialty functions while maintaining a compact installation design.

• Efficient Communication and Maintenance Features
Ethernet, serial communication, USB programming, SD card support, and cartridge extension capability simplify commissioning, troubleshooting, and long-term system maintenance.

Technical FAQs

1. What type of product is the Schneider TM221CE24U?
The Schneider TM221CE24U is a Modicon M221 programmable logic controller designed for industrial automation and machine control applications.

2. How many integrated I/O points does the TM221CE24U provide?
The TM221CE24U provides 24 integrated I/O points, including 14 digital inputs and 10 transistor outputs.

3. What type of outputs does the TM221CE24U use?
The TM221CE24U uses 24 VDC transistor outputs with fast output capability for applications requiring rapid switching performance.

4. What power supply does the TM221CE24U require?
The TM221CE24U requires a 24 VDC power supply with an operating voltage range of 20.4...28.8 VDC.

5. Does the TM221CE24U support analog inputs?
Yes. The TM221CE24U includes two analog inputs supporting 0...10 V signals with 10-bit resolution.

6. Which expansion modules are compatible with the TM221CE24U?
The TM221CE24U supports Modicon TM3 expansion modules for additional digital, analog, and specialty automation functions.

7. What programming software is used for the TM221CE24U?
The TM221CE24U is programmed using Schneider Electric EcoStruxure Machine Expert Basic software for Modicon M221 controllers.

8. Does the TM221CE24U support Ethernet communication?
Yes. The TM221CE24U includes an Ethernet interface for industrial communication and integration with automation equipment.

9. Can the TM221CE24U perform high-speed counting and pulse functions?
Yes. The TM221CE24U supports fast inputs and transistor outputs designed for high-speed counting, pulse generation, and timing-sensitive control applications.

10. Is the TM221CE24U suitable for OEM machine builders?
Yes. The TM221CE24U is designed for OEM equipment requiring compact PLC control, fast output response, communication flexibility, and system expansion capability.

Look forward to your comments!Comment