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Schneider TM221CE16U Modicon M221 16 I/O NPN Transistor Logic Controller 24VDC with Ethernet
| Place of Origin | Germany |
| Brand Name | Schneider Electric |
| Model Number | TM221CE16U |
Product Overview
The Schneider TM221CE16U is a compact Modicon M221 logic controller with 16 embedded digital I/O points. It provides 9 digital inputs and 7 NPN transistor outputs, operates from a 24 VDC power supply and includes an embedded Ethernet port.
The U output code identifies the NPN transistor-output configuration. This version is intended for compatible sinking-output control circuits and must not be confused with the TM221CE16T PNP transistor controller.
The compact controller combines local I/O, Ethernet communication, serial communication and TM3 expansion capability in one machine-control platform. It is suitable for small packaging machines, conveyors, assembly equipment, pump systems and general OEM automation.
Main Features
- Exact commercial reference: TM221CE16U
- Modicon M221 compact logic controller
- 16 embedded digital I/O points
- 9 digital inputs
- 7 NPN transistor outputs
- 24 VDC controller power supply
- Embedded Ethernet port
- Embedded serial communication interface
- USB programming connection
- Fast solid-state output switching
- Supported high-speed counter and pulse functions
- Compatible with TM3 expansion I/O modules
- Compatible with supported TM4 communication modules
- Supports compatible TMC2 cartridge options
- Programmed with EcoStruxure Machine Expert - Basic
Technical Specifications
| Model | TM221CE16U |
| 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 | NPN Transistor Outputs |
| Output Code | U |
| Output Wiring | Sinking-output configuration; confirm field common and load polarity |
| Power Supply | 24 VDC |
| Embedded Ethernet | Yes |
| Ethernet Functions | Modbus TCP and supported Ethernet services; verify firmware and project configuration |
| Serial Communication | Embedded serial line; verify connector, electrical mode and protocol settings |
| Programming Port | USB programming connection |
| Expansion Platform | TM3 expansion I/O platform |
| Communication Expansion | Compatible TM4 communication modules or gateways |
| Cartridge Support | Compatible TMC2 cartridges; verify available slots and cartridge function |
| Programming Software | EcoStruxure Machine Expert - Basic |
| High-Speed Functions | High-speed counters and supported pulse outputs; verify exact channels and frequency limits |
| Supply Status | Confirm current regional availability before quotation |
Compatible System and Applications
The TM221CE16U is suitable for packaging machines, conveyors, assembly equipment, labeling machines, small positioning systems, pumps, fans and automated material-handling systems using 24 VDC control circuits.
The NPN outputs are intended for compatible sinking-output wiring. The field-device polarity, common connection, output current, leakage current, protective components and switching frequency must be verified before commissioning.
For applications using pulse commands to a variable speed drive, servo drive or stepper drive, confirm the required pulse type, voltage level, frequency and common wiring.
Maintenance and Replacement Notes
Verify the complete TM221CE16U commercial reference. TM221CE16T uses PNP sourcing outputs and is not a direct electrical replacement.
TM221CE16R uses relay outputs and a 100-240 VAC controller power supply. The relay, PNP and NPN versions require different power and field-wiring arrangements.
Before replacement, back up the EcoStruxure Machine Expert - Basic project, firmware information, IP address, Ethernet settings, serial parameters, I/O assignments, pulse functions and expansion-module configuration.
Related Models
Related compact Ethernet controllers include TM221CE16T with PNP outputs, TM221CE16R with relay outputs, TM221CE24U with 24 embedded I/O and TM221CE40U with 40 embedded I/O.
TM221C16U is the related compact NPN transistor controller without embedded Ethernet.
Inquiry and Supply Notes
Please provide the complete installed controller model, power-supply voltage, NPN output wiring, connected load details, Ethernet configuration, serial settings and required pulse functions.
Firmware, software-project compatibility, TM3 expansion modules, cartridge configuration, product condition, functional testing, availability and delivery time must be confirmed before quotation.
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