
- Stock: In Stock
- Model: TWDLCDA40DRF
Factory-new Schneider Electric TWDLCDA40DRF supplied boxed and ready for professional replacement work in installed Twido automation systems.
Schneider Electric TWDLCDA40DRF Twido Compact PLC – 24VDC, 40 I/O
Brand-new-in-box compact base controller for maintaining and repairing installed Schneider Electric Twido automation systems, with 24 digital 24VDC inputs and 16 discrete outputs in one DIN-rail PLC.
The TWDLCDA40DRF combines 24 sink/source 24VDC digital inputs with 16 outputs: 14 relay and 2 transistor channels. It is a precise model-specific solution where an existing Twido control cabinet requires the same controller reference.
Its integrated RS485 Modbus/ASCII serial communication, support for up to 7 I/O expansion modules and two analogue potentiometers make it well suited to established compact machine and building-control systems.
Before ordering: confirm the exact reference TWDLCDA40DRF, 24VDC supply, complete I/O configuration, output type, serial interface and installed Twido project requirements.
Maintain installed Twido automation with the exact controller reference
- Exact TWDLCDA40DRF reference supports efficient repair or replacement work in installed Twido control systems.
- 40 integrated I/O points combine 24 digital inputs and 16 output channels in one compact base controller.
- 14 relay and 2 transistor outputs provide the mixed output configuration required by compatible Twido applications.
- RS485 Modbus/ASCII communication supports integration with existing serial-control architectures.
- Up to 7 I/O expansion modules allow the controller to remain part of a larger installed system.
Restore an existing control cabinet without unnecessary redesign
When an installed Twido controller must be replaced, an exact model match can avoid unnecessary changes to cabinet wiring, I/O allocation and the established control application.
This compact PLC is particularly relevant for maintenance teams, machine rebuilds and service work where the original controller reference and connected system architecture must be retained.
- Packaging and material-handling machinery.
- HVAC and building-control installations.
- Light manufacturing and discrete machine-control systems.
- Existing Twido cabinets requiring the same controller reference.
Ensure that the existing application program, field wiring and all attached expansion modules are compatible with TWDLCDA40DRF before commissioning.
Exact configuration matching is essential
Industrial PLC replacement requires more than matching the physical size. The controller reference, power supply, I/O type and communication configuration must all correspond to the installed system.
- Controller reference: TWDLCDA40DRF.
- Power supply: 24VDC.
- Inputs: 24 digital 24VDC sink/source channels.
- Outputs: 14 relay and 2 transistor channels.
- Communication: integrated RS485 serial link with Modbus/ASCII capability.
- Installation: verify the project, terminal wiring and connected I/O hardware.
Important: do not select a controller based only on total I/O count; output technology and field wiring must match the existing installation.
Twido communication and expansion capability for established systems
The controller includes a non-isolated RS485 serial link for Modbus or character-mode communication, supporting RTU/ASCII master or slave operation in compatible systems.
An available slot supports an additional serial-port interface, while the base can support up to 7 expansion I/O modules. Two integrated analogue potentiometers also provide convenient local adjustment capability.
Check panel dimensions, wiring and project data before installation
The controller is designed for DIN-rail installation and measures 157 × 90 × 70 mm. Verify adequate panel space, wiring access and safe service clearance before replacement.
- Confirm the 24VDC supply and existing power-wiring arrangement.
- Check all input and output terminal assignments against the current electrical drawings.
- Verify relay-load and transistor-output requirements for connected field devices.
- Back up and validate the existing Twido application before commissioning.
Installation, wiring and commissioning must follow Schneider Electric documentation and the requirements of the installed machine or control cabinet.
Professional installation for reliable automation operation
- Installation and commissioning should be performed by qualified industrial-automation personnel.
- Disconnect and secure all relevant power supplies before replacing the controller.
- Verify I/O wiring, serial communication and the programmed application before returning the system to service.
Important: incorrect I/O assignment, output type or power wiring can damage connected equipment or prevent correct machine operation.
Package Contents
1× Schneider Electric TWDLCDA40DRF Twido Compact Base Controller – brand new in box
Secure the exact Twido controller for your installed automation system
For an installed system that requires the TWDLCDA40DRF reference, this controller provides the matching 24VDC supply, 24-input and mixed 16-output architecture required for professional replacement work.
The integrated serial communication, compact DIN-rail format and expansion capability make it a practical solution for retaining an established Twido automation architecture.
Before ordering, verify the exact reference, supply voltage, I/O layout, output technology, serial communication and application-program compatibility.






