The Schneider TM221CE24T is a compact Modicon M221 logic controller with 24 embedded digital I/O points, including 14 digital inputs and 10 PNP transistor outputs. It operates from a 24 VDC supply and includes embedded Ethernet communication.
This configuration is suitable for automated machines requiring more embedded I/O, fast solid-state switching and Ethernet connectivity in a compact controller. The PNP outputs are intended for compatible 24 VDC sourcing-output circuits.
The TM221CE24T can be expanded using compatible TM3 modules and can communicate with supported automation devices through Ethernet or its embedded serial interface.
| Model | TM221CE24T |
| 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 | PNP Transistor Outputs |
| Output Code | T |
| Power Supply | 24 VDC |
| Embedded Ethernet | Yes |
| Ethernet Functions | Modbus TCP and supported network services; verify firmware and project settings |
| Serial Communication | Embedded serial line; verify interface configuration and protocol |
| Programming Port | USB programming connection |
| Expansion Platform | TM3 local expansion I/O |
| Communication Expansion | Compatible TM4 communication modules or gateways |
| Cartridge Support | Compatible TMC2 cartridges; verify available slots and cartridge type |
| Programming Software | EcoStruxure Machine Expert – Basic |
| High-Speed Functions | High-speed counters and supported pulse outputs; verify exact channels and frequencies |
| Availability | Confirm current regional availability before quotation |
The TM221CE24T is suitable for packaging machines, conveyors, assembly equipment, labeling machinery, small positioning systems and automated production machines using 24 VDC control circuits.
The transistor outputs support frequent switching and can be used for compatible electronic loads or pulse-control functions. Output current, common wiring, load polarity and protective circuits must be verified.
For applications using a variable speed drive, servo drive or stepper drive, confirm the required pulse type, frequency, voltage level and common connection before commissioning.
Verify the complete TM221CE24T reference. TM221CE24U is an NPN transistor version and uses a different output-wiring convention. TM221CE24R uses relay outputs and a 100–240 VAC controller supply.
TM221C24T has the same general compact I/O class but does not include embedded Ethernet. Omitting the E from the commercial reference can result in an incompatible replacement.
Back up the project, IP address, communication settings, pulse functions, I/O mapping, firmware and connected expansion-module configuration before replacement.
Related references include TM221CE24R, TM221CE24U, TM221CE16T and TM221CE40T.
TM221ME16T provides a narrower Book-format controller with 16 embedded I/O and Ethernet, but its I/O distribution and mechanical arrangement are different.
Please provide the complete controller reference, power-supply voltage, PNP output wiring, connected load details, pulse-output requirements, Ethernet project and serial communication settings.
Firmware, TM3 expansion modules, cartridge options, product condition, test requirements, availability and delivery time must be confirmed before quotation.
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