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Schneider TM221ME16R Modicon M221 Book Format 16 I/O Relay Logic Controller 24VDC with Ethernet
| Place of Origin | Germany |
| Brand Name | Schneider Electric |
| Model Number | TM221ME16R |
Product Overview
The Schneider TM221ME16R is a Book-format Modicon M221 logic controller with 16 embedded digital I/O points. It provides 8 digital inputs and 8 relay outputs, operates from a 24 VDC controller supply and includes an embedded Ethernet port.
The narrow Book-format construction is intended for modular control-panel layouts where cabinet width, terminal access and the arrangement of TM3 expansion modules are important.
Relay outputs allow the controller to operate compatible AC or DC control loads. The contact voltage, current, switching frequency and required suppression devices must be checked for each connected load.
Main Features
- Exact commercial reference: TM221ME16R
- Modicon M221 Book-format logic controller
- 16 embedded digital I/O points
- 8 digital inputs
- 8 relay outputs
- 24 VDC controller power supply
- Embedded Ethernet communication
- Embedded serial communication line
- USB programming connection
- Narrow modular panel format
- Compatible with TM3 expansion I/O modules
- Compatible with supported TM4 communication modules
- Supports compatible TMC2 cartridges
- Programmed with EcoStruxure Machine Expert - Basic
- Suitable for compact panels and modular machinery
Technical Specifications
| Model | TM221ME16R |
| Series | Modicon M221 |
| Product Type | Logic Controller |
| Controller Family | TM221ME |
| Form Factor | Book / Modular Format with Ethernet |
| Total Embedded I/O | 16 |
| Digital Inputs | 8 |
| Digital Outputs | 8 |
| Output Type | Relay Outputs |
| Output Code | R |
| 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 and protocol setup |
| 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 controller slots and cartridge type |
| Programming Software | EcoStruxure Machine Expert - Basic |
| High-Speed Functions | High-speed counter and supported pulse functions; verify exact channel limits |
| Relay Load Rating | Confirm voltage, current and load category from the exact datasheet |
| Supply Status | Confirm current regional availability before quotation |
Compatible System and Applications
The TM221ME16R is suitable for packaging machines, conveyors, pump and fan control, compact control panels, distributed machine sections and general OEM equipment.
The relay-output configuration is useful for applications requiring flexible control of compatible AC or DC loads. Interposing relays or contactors may still be required for higher-current equipment.
The Book-format enclosure should be selected when the installed panel, terminal layout and TM3 expansion arrangement are designed around the TM221M or TM221ME mechanical platform.
Maintenance and Replacement Notes
Verify the complete TM221ME16R commercial reference. TM221M16R is the related Book-format model without embedded Ethernet.
TM221ME16T and TM221ME16TG use transistor outputs rather than relay contacts. They require different output wiring and must not be treated as direct replacements.
Before replacement, back up the controller project, Ethernet settings, serial configuration, I/O assignments, firmware, cartridge configuration and TM3 expansion layout.
Related Models
Related Book-format Ethernet controllers include TM221ME16T, TM221ME16TG and TM221ME32TK.
TM221CE16R is a compact Ethernet relay controller, but it uses a different enclosure, I/O distribution and controller power-supply arrangement.
Inquiry and Supply Notes
Please provide the exact installed model, controller power supply, relay-load voltage and current, Ethernet requirement, serial settings, terminal layout and connected TM3 modules.
Firmware, software-project compatibility, cartridges, product condition, functional testing, availability and delivery time must be confirmed before quotation.
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