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- TM2DOCKN
- Expansion Interface Module
- France
- 90 × 115 × 60 mm
- 0.25 kg
- Xiamen, China
- New & In Stock
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Product Overview
The Schneider Electric TM2DOCKN is an expansion interface module for the Modicon M218 logic controller. It serves as an adapter between the M218 controller and compatible TM2 expansion modules, allowing additional I/O hardware to be incorporated into the controller architecture.
Unlike conventional digital or analog I/O modules, the TM2DOCKN does not directly acquire field signals or control external loads. Its primary function is to establish the physical expansion connection required for integrating additional TM2 modules into an M218-based automation system.
The adapter supports the connection of TM2 expansion modules through a dedicated expansion interface. This allows users to extend the controller’s I/O configuration with digital input, digital output, analog input, analog output, and other supported expansion modules.
The TM2DOCKN uses an internal 5 VDC power supply connection and has a current consumption of 5 mA. Its low power requirement makes it a relatively small electrical load within the expansion architecture.
During installation, the protective cover on the expansion connector must be removed before connecting an expansion module. The connector and locking mechanism must be correctly aligned to establish the required mechanical and electrical connection.
The TM2DOCKN is particularly relevant when maintaining or expanding existing Modicon M218 installations that use Schneider Electric TM2 expansion hardware.
Technical Specifications
| Parameter | Specification |
|---|---|
| Manufacturer | Schneider Electric |
| Model | TM2DOCKN |
| Product Series | Modicon M218 |
| Product Type | Expansion Interface Module |
| Designation | Interface for TM2 Expansion |
| Application | Connect TM2 Expansion Modules |
| Controller Compatibility | Modicon M218 |
| Expansion Compatibility | Supported TM2 Expansion Modules |
| Internal Power Supply | 5 VDC |
| Current Consumption | 5 mA |
| Expansion Connection | Dedicated Expansion Connector |
| Mounting | Panel or Rail Mounting |
| Dimensions | 90 × 115 × 60 mm |
| Weight | 0.25 kg |
Product Features
- TM2 Expansion Interface: Provides the connection interface required to integrate compatible TM2 expansion modules with Modicon M218 controllers.
- Modular System Expansion: Allows additional I/O modules to be incorporated into an existing controller configuration.
- Dedicated Expansion Connector: Uses a dedicated hardware connection to establish communication with attached expansion modules.
- Low Power Consumption: Operates with an internal 5 VDC supply and a current requirement of 5 mA.
- Multiple I/O Expansion Options: Supports integration with compatible digital and analog TM2 expansion modules.
- Mechanical Locking: Uses a locking mechanism to secure the connected expansion hardware.
- Protective Connector Cover: Protects the expansion connection before installation.
- M218 System Integration: Fits into the Modicon M218 expansion architecture without requiring a separate standalone I/O controller.
Product Working Principle
The TM2DOCKN functions as an expansion adapter within the Modicon M218 automation system. It establishes the connection between the controller and compatible TM2 expansion modules.
Its operation involves several stages.
1. Controller Interface Connection
The TM2DOCKN is installed at the designated expansion interface of the Modicon M218 controller. This establishes the hardware connection required for additional expansion modules.
2. Expansion Connector Preparation
Before installing an expansion module, the protective sticker covering the expansion connector must be removed. This exposes the connection interface.
3. Module Connection
The compatible TM2 expansion module is aligned with the adapter connector and pressed into position until the mechanical connection is established.
4. Mechanical Locking
The locking device on the expansion module is moved into its locked position to secure the assembly and maintain the connection.
5. Power and Communication
The adapter uses the controller’s internal 5 VDC supply. Through the dedicated expansion interface, the connected expansion hardware becomes part of the M218 system architecture.
6. Controller Configuration
After adding expansion hardware, the application configuration must be updated to reflect the new physical arrangement. The controller program should be revised and downloaded again before normal operation resumes.
A simplified system arrangement is:
Modicon M218 Controller → TM2DOCKN Expansion Interface → Compatible TM2 Expansion Modules → Field I/O Devices
The TM2DOCKN provides the expansion connection rather than independently processing field signals.
Role in Schneider Modicon M218 Control Architecture
Within a Modicon M218 control system, the TM2DOCKN serves as an interface component for connecting additional TM2 expansion hardware.
It is particularly useful when the controller’s integrated I/O capacity is insufficient for the required machine configuration. By incorporating compatible expansion modules, the system can accommodate additional sensors, switches, actuators, and analog instrumentation.
| System Component | Function |
|---|---|
| TM2DOCKN | Provides the interface for TM2 expansion modules |
| Modicon M218 Controller | Executes machine control logic |
| TM2 Digital Input Modules | Acquire digital signals from sensors and switches |
| TM2 Digital Output Modules | Control external digital loads |
| TM2 Analog Input Modules | Acquire analog process signals |
| TM2 Analog Output Modules | Provide analog control signals |
| Field Sensors | Supply machine and process status information |
| Actuators | Execute control commands |
Industrial Applications
The TM2DOCKN is used in machine automation installations based on the Modicon M218 platform where additional TM2 expansion hardware is required.
| Industrial Application | Typical Use |
|---|---|
| Packaging Machinery | Expanding digital I/O connections for packaging equipment |
| Material Handling | Integrating additional conveyor sensors and actuators |
| Assembly Machines | Connecting additional machine control I/O |
| Food Processing | Expanding control interfaces for processing equipment |
| Water Treatment | Integrating additional process monitoring signals |
| Industrial Conveyors | Supporting additional input and output modules |
| Machine Tools | Extending machine control I/O configurations |
| Automated Production Lines | Connecting additional distributed machine signals |
Installation and Maintenance
- Verify the Model Number: Confirm that TM2DOCKN is the required expansion interface for the Modicon M218 system.
- Check Module Compatibility: Verify that the intended TM2 expansion modules are supported by the controller and expansion architecture.
- Disconnect Power: Switch off the controller and all connected equipment before installing or removing the adapter or expansion modules.
- Inspect the Connector: Check the expansion interface and protective cover for damage, contamination, or bent contacts.
- Prepare the Mounting Location: Ensure that the controller assembly is securely mounted and that sufficient space is available for the expansion hardware.
- Remove the Protective Cover: Remove the expansion connector sticker from the TM2DOCKN before attaching an expansion module.
- Align the Expansion Module: Position the compatible TM2 module so that its expansion connector aligns correctly with the adapter.
- Attach the Module: Press the expansion module against the adapter until the connectors engage and the module snaps into place.
- Secure the Locking Device: Move the locking mechanism into its locked position to secure the expansion assembly.
- Verify the Hardware Configuration: Check that all connected expansion modules are correctly installed and that the mechanical connections are secure.
- Update the Application Program: Revise and download the controller application to reflect the new physical expansion configuration.
- Perform Operational Checks: Restore power and verify that the controller recognizes the expansion configuration and that the connected I/O modules operate correctly.
Compatible System Components
| Component | Function |
|---|---|
| Schneider TM2DOCKN | Expansion Interface Module |
| Schneider Modicon M218 | Logic Controller |
| Schneider TM2DMM16DRTN | Digital Mixed I/O Expansion Module |
| Schneider TM2AMI2HTN | Analog Input Expansion Module |
| Schneider TM2AMI4HTN | Analog Input Expansion Module |
| Schneider TM2AMO2HTN | Analog Output Expansion Module |
| Schneider TM2 Digital I/O Modules | Digital Signal Expansion |
| Schneider TM2 Analog I/O Modules | Analog Signal Expansion |
Recommended Related Models
| Model | Product Type | Application |
|---|---|---|
| Schneider TM2DMM16DRTN | Modicon M218 Digital Mixed I/O Module | Digital input and relay output expansion |
| Schneider TM2AMI2HTN | Modicon TM2 Analog Input Module | Two-channel analog input |
| Schneider TM2AMI4HTN | Modicon TM2 Analog Input Module | Four-channel analog input |
| Schneider TM2AMO2HTN | Modicon TM2 Analog Output Module | Analog output expansion |
| Schneider TM2AMO1HT | Modicon M238 Analog Output Module | Analog output expansion |
| Schneider TM2ARI8LT | Modicon M238 Analog Input Module | Analog input expansion |
Key Advantages
- Provides a dedicated interface for TM2 expansion modules.
- Supports expansion of Modicon M218 controller configurations.
- Connects compatible digital and analog I/O hardware.
- Requires only 5 VDC internal power.
- Uses a dedicated mechanical and electrical expansion connection.
- Supports modular machine automation architectures.
- Simplifies the integration of additional I/O hardware into existing M218 installations.
Technical FAQs
1. What is the main function of the Schneider TM2DOCKN?
The TM2DOCKN is an adapter interface for connecting TM2 expansion modules to a Modicon M218 controller. It provides the necessary expansion connection rather than performing independent digital or analog signal processing.
2. Does the TM2DOCKN require an external power supply?
No separate external power supply is specified for the adapter itself. It uses the internal 5 VDC supply and has a current consumption of 5 mA.
3. Can the TM2DOCKN connect multiple expansion modules?
The adapter is part of the M218 expansion architecture and supports compatible TM2 expansion modules. The permitted number of modules depends on the specific M218 controller model and its maximum hardware configuration.
4. What should be checked after installing the TM2DOCKN?
Check that the expansion connectors are correctly aligned, the mechanical locking device is engaged, and the controller application has been updated to reflect the new hardware configuration. Power should only be restored after the installation has been completed and verified.