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Schneider TM221CE16R Modicon M221 16 I/O Relay Logic Controller 100-240VAC with Ethernet
| Place of Origin | Germany |
| Brand Name | Schneider Electric |
| Model Number | TM221CE16R |
Product Overview
The Schneider TM221CE16R is a compact Modicon M221 logic controller designed for small and medium-sized industrial machines. It integrates 16 embedded digital I/O points, including 9 digital inputs and 7 relay outputs, and operates from a 100–240 VAC power supply.
The CE designation identifies the compact controller version with an embedded Ethernet port. This makes the TM221CE16R suitable for machine-control systems requiring local I/O, serial communication and Ethernet connectivity without immediately adding a separate communication module.
Relay outputs allow the controller to switch different compatible AC or DC control loads, making this version suitable for contactors, solenoid valves, indicator circuits and other general machine-control devices. The electrical rating and protective circuit for every connected load must be verified before installation.
Main Features
- Exact commercial reference: TM221CE16R
- Modicon M221 compact logic controller
- 16 embedded digital I/O points
- 9 digital inputs
- 7 relay outputs
- 100–240 VAC controller power supply
- Embedded Ethernet port
- Embedded serial communication interface
- USB programming connection
- Compatible with the TM3 expansion I/O platform
- Supports compatible TM4 communication expansion
- Supports compatible TMC2 cartridges and options
- Programmed with EcoStruxure Machine Expert – Basic
- Suitable for pumps, conveyors, packaging machines and general OEM equipment
Technical Specifications
| Model | TM221CE16R |
| Series | Modicon M221 |
| Product Type | Logic Controller |
| Controller Family | TM221CE |
| Form Factor | Compact Controller with Ethernet |
| Total Embedded I/O | 16 |
| Digital Inputs | 9 |
| Digital Outputs | 7 |
| Output Type | Relay Outputs |
| Power Supply | 100–240 VAC |
| Embedded Ethernet | Yes |
| Ethernet Functions | Modbus TCP and supported network services; verify firmware and project configuration |
| Serial Communication | Embedded serial line; verify connector, RS-232/RS-485 configuration and protocol settings |
| Programming Port | USB programming connection |
| Expansion Platform | TM3 local expansion I/O modules |
| Communication Expansion | Compatible TM4 modules or gateways |
| Cartridge Support | Compatible TMC2 cartridge family; verify slot and cartridge compatibility |
| Programming Software | EcoStruxure Machine Expert – Basic |
| High-Speed Functions | High-speed counter functions available; verify channel count and limits |
| Availability | Confirm current regional availability before quotation |
Compatible System and Applications
The TM221CE16R is suitable for small packaging machines, pumps, fans, conveyors, material-handling equipment, building-control panels and general OEM machinery.
The relay-output configuration is useful when the controlled loads operate at different compatible voltage levels or when galvanic separation through relay contacts is preferred. Output contact ratings, load current, switching frequency and required suppression components must be checked for each application.
The Ethernet connection can be used for compatible PLC, HMI or supervisory communication. Network addressing, Modbus TCP settings, device services and controller firmware must be verified against the installed machine project.
Maintenance and Replacement Notes
Verify the complete TM221CE16R reference before replacement. TM221C16R is a non-Ethernet compact version, while TM221ME16R uses the Book-format mechanical structure and a different power-supply arrangement.
Do not replace a relay-output controller with TM221CE16T or TM221CE16U without reviewing the complete output wiring. The T and U references are transistor-output versions and have different electrical characteristics.
Before removing the installed controller, back up the EcoStruxure Machine Expert – Basic project, firmware information, Ethernet settings, serial parameters, I/O assignments and expansion-module configuration.
Related Models
Related compact Ethernet models include TM221CE16T with PNP transistor outputs, TM221CE16U with NPN transistor outputs, TM221CE24R with 24 embedded I/O and TM221CE40R with 40 embedded I/O.
TM221C16R is the related compact relay controller without embedded Ethernet. TM221ME16R is the related Book-format Ethernet relay controller.
Inquiry and Supply Notes
Please provide the complete controller reference, machine power supply, input and output wiring, Ethernet requirement, serial protocol, connected TM3 modules and installed TMC2 cartridges.
Firmware, software-project compatibility, terminal configuration, product condition, functional testing, current availability and delivery time must be confirmed before quotation.
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