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Schneider TM221CE24R Modicon M221 24 I/O Relay Logic Controller 100-240VAC with Ethernet
| Place of Origin | Germany |
| Brand Name | Schneider Electric |
| Model Number | TM221CE24R |
Product Overview
The Schneider TM221CE24R is a compact Modicon M221 logic controller with 24 embedded digital I/O points. It provides 14 digital inputs and 10 relay outputs, operates from a 100–240 VAC supply and includes embedded Ethernet communication.
The increased embedded I/O count makes this model suitable for machines that require more control points than a 16-I/O controller but do not yet justify a large number of external TM3 expansion modules.
Its relay outputs support compatible AC or DC control loads, while the Ethernet, serial and USB connections provide options for programming, machine communication and integration with compatible HMI or supervisory systems.
Main Features
- Exact commercial reference: TM221CE24R
- Modicon M221 compact logic controller
- 24 embedded digital I/O points
- 14 digital inputs
- 10 relay outputs
- 100–240 VAC power supply
- Embedded Ethernet port
- Embedded serial communication
- USB programming connection
- Expandable with TM3 I/O modules
- Supports compatible TM4 communication expansion
- Supports compatible TMC2 cartridge options
- High-speed counter functions available
- Programmed with EcoStruxure Machine Expert – Basic
Technical Specifications
| Model | TM221CE24R |
| Series | Modicon M221 |
| Product Type | Logic Controller |
| Controller Family | TM221CE |
| Form Factor | Compact Controller with Ethernet |
| Total Embedded I/O | 24 |
| Digital Inputs | 14 |
| Digital Outputs | 10 |
| Output Type | Relay Outputs |
| Output Code | R |
| Power Supply | 100–240 VAC |
| Embedded Ethernet | Yes |
| Ethernet Functions | Modbus TCP and supported Ethernet services; verify firmware and project |
| Serial Communication | Embedded serial line; verify port mode, connector and communication parameters |
| Programming Port | USB programming connection |
| Expansion I/O | TM3 expansion I/O modules |
| Communication Expansion | Compatible TM4 modules or gateways |
| Cartridge Support | Compatible TMC2 cartridges; verify controller and cartridge combination |
| Programming Software | EcoStruxure Machine Expert – Basic |
| Motion and High-Speed Functions | High-speed counter functions available; verify exact channel limits |
| Availability | Confirm current regional availability before quotation |
Compatible System and Applications
The TM221CE24R is suitable for packaging machinery, conveyors, pumping equipment, small process systems, material-handling machines, HVAC control panels and general industrial automation.
The 14-input and 10-output arrangement provides additional embedded capacity for sensors, selector switches, alarms, contactors and solenoid circuits. Final load compatibility must be checked against the relay contact voltage, current and expected switching frequency.
TM3 modules can be added when additional digital, analog or special-function I/O is required. Expansion limits and bus configuration must be verified using the complete controller and module list.
Maintenance and Replacement Notes
Verify the full TM221CE24R model. TM221C24R does not include embedded Ethernet, while TM221CE24T and TM221CE24U use transistor outputs instead of relay contacts.
A relay controller must not be replaced with a transistor-output model without redesigning or verifying the field wiring, load voltage and common connections.
Before replacement, save the original controller project, network configuration, serial settings, I/O assignments, expansion layout and firmware information.
Related Models
Related 24-I/O Ethernet references include TM221CE24T with PNP transistor outputs and TM221CE24U with NPN transistor outputs.
TM221CE16R provides 16 embedded I/O, while TM221CE40R provides 40 embedded I/O for larger compact-controller applications.
Inquiry and Supply Notes
Please provide the exact installed controller reference, supply voltage, input and output wiring, relay-load details, Ethernet requirement, serial protocol and connected expansion modules.
Firmware, software-project backup, terminal configuration, product condition, testing scope, regional availability and delivery time must be confirmed before quotation.
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