Introduction

The Schneider TM221CE16R Logic Controller Module is part of the Modicon M221 PLC family, developed to provide a compact yet powerful automation solution for modern machine builders and industrial control engineers. Combining integrated I/O, Ethernet connectivity, analog processing, and TM3 expansion capability, it delivers a practical balance between performance, flexibility, and installation efficiency.

Designed for applications ranging from standalone machines to connected production systems, the TM221CE16R helps simplify control architecture while providing the reliability expected from Schneider Electric industrial automation products. Its compact structure and versatile communication features make it a strong choice for OEM equipment, process machines, and customized automation projects.

Technical Specifications

Parameter	Specification
Brand	Schneider Electric
Model Number	TM221CE16R
Product Type	Logic Controller Module
Product Range	Modicon M221
Controller Type	Compact PLC
Rated Supply Voltage	100...240 VAC
Supply Voltage Range	85...264 VAC
Integrated I/O Number	16
Digital Inputs	9
Input Voltage	24 VDC
Analog Inputs	2
Analog Input Range	0...10 V
Analog Resolution	10 bits
Relay Outputs	7
Output Type	Relay Normally Open
Output Voltage	5...125 VDC / 5...250 VAC
Maximum Output Current	2 A
Communication Interface	Ethernet + Serial Line
Programming Interface	USB
Memory Expansion	SD Card Supported
Expansion Compatibility	Modicon TM3 Modules
Maximum Expansion Modules	Up to 4 local I/O modules
Mounting Type	DIN Rail Mounting
Protection Rating	IP20
Operating Temperature	-10...55°C
Storage Temperature	-25...70°C
Dimensions (W × H × D)	Approx. 95 × 90 × 70 mm
Weight	Approx. 360 g

Recommended Companion Models

Model	Product Name
TM3AI4	Schneider Modicon TM3 Analog Input Expansion Module
TM3DQ16R	Schneider Modicon TM3 Relay Output Expansion Module
TM3TI4	Schneider Modicon TM3 Temperature Input Expansion Module
TM3XREC1	Schneider Modicon TM3 Remote Receiver Module

Frequently Selected Alternatives

Model	Product Name
TM221CE24R	Schneider Modicon M221 Logic Controller 24 I/O Relay Model
TM221CE40R	Schneider Modicon M221 Logic Controller 40 I/O Ethernet Relay Model
TM221C24T	Schneider Modicon M221 Logic Controller 24 I/O Transistor Model
TM241CEC24T	Schneider Modicon M241 Logic Controller Ethernet Transistor Model

Where It Excels in Industrial Use

• Compact Machine Automation Control
The Schneider TM221CE16R is a Modicon M221 compact logic controller designed for small and medium-sized machine automation applications requiring reliable PLC control, Ethernet communication, and flexible I/O expansion. It is well suited for packaging machines, conveyor systems, HVAC control, pump management, and OEM equipment.

• Standalone Machine Control Solutions
With integrated digital I/O, analog inputs, relay outputs, and communication interfaces, the TM221CE16R provides an efficient control platform for independent machines that require dependable sequencing, monitoring, and process management.

• Industrial Network Integration Projects
The built-in Ethernet interface and serial communication capability allow the controller to connect with HMIs, drives, SCADA systems, and other automation devices, making it suitable for connected industrial environments.

• Flexible I/O Expansion Applications
The TM221CE16R supports Modicon TM3 expansion modules, enabling users to increase digital, analog, and specialty I/O capacity as machine requirements develop.

Key Strengths at a Glance

• Reliable M221 PLC Performance
The TM221CE16R combines compact PLC architecture with integrated Ethernet, serial communication, SD card support, USB programming, and expansion capability for efficient automation development.

• Integrated Relay Output Configuration
Featuring 7 relay outputs and 9 digital inputs, the controller provides flexible switching capability for various industrial loads and control devices.

• Built-In Analog Processing Capability
The TM221CE16R includes two 0...10 V analog inputs, allowing direct connection of sensors and measurement devices without requiring additional analog expansion modules for basic applications.

• Expandable Modicon Platform Design
Compatible with TM3 expansion modules, the controller allows machine builders to create scalable automation solutions while maintaining a compact control cabinet footprint.

Technical FAQs

1. What type of product is the Schneider TM221CE16R?
The Schneider TM221CE16R is a Modicon M221 programmable logic controller designed for industrial machine automation applications.

2. How many integrated I/O points does the TM221CE16R provide?
The TM221CE16R provides 16 integrated I/O points consisting of 9 digital inputs and 7 relay outputs.

3. What type of outputs does the TM221CE16R use?
The TM221CE16R uses normally open relay outputs with switching capability for AC and DC loads.

4. What power supply does the TM221CE16R require?
The TM221CE16R operates with a 100...240 VAC power supply range.

5. Does the TM221CE16R support analog signals?
Yes. The controller includes two analog inputs with a 0...10 V input range and 10-bit resolution.

6. Which expansion modules are compatible with the TM221CE16R?
The TM221CE16R supports Modicon TM3 expansion modules for additional digital, analog, and specialty functions.

7. What software is used to program the TM221CE16R?
The TM221CE16R is programmed using Schneider Electric Machine Expert Basic software for Modicon M221 controllers.

8. Does the TM221CE16R support Ethernet communication?
Yes. The TM221CE16R includes an Ethernet communication interface for industrial device connectivity.

9. Can the TM221CE16R communicate through Modbus?
Yes. The controller supports Modbus communication through its available communication interfaces for integration with industrial equipment.

10. Is the TM221CE16R suitable for OEM machine applications?
Yes. The TM221CE16R is designed for compact OEM machines and automation systems requiring dependable control, communication, and expansion flexibility.

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