Brand:Schneider PLC Item No.: TWDLCDA16DRF Product Origin:France Product Dimensions:110 × 66.8 × 50 mm Product Weight:0.36 kg Payment:T/T, Western Union, Credit Card Goods_stock:15 Shipping Port:Xiamen, China Lead Time:1-3 Days Condition:Brand New And Original Warranty:1 Year Certificate:COO
The Schneider TWDLCDA16DRF Compact Base Controller is an integrated PLC designed for compact industrial automation applications requiring dependable machine control and efficient I/O management. Featuring a built-in CPU, 9 digital inputs, 7 relay outputs, and integrated RS485 communication, it provides a complete automation solution in a space-saving enclosure.
Designed for OEM equipment, manufacturing systems, and industrial retrofit projects, the TWDLCDA16DRF combines reliable control performance with flexible communication and memory expansion capabilities. Its long-established reputation within the Twido family makes it a trusted solution for maintaining and extending existing automation systems.
Technical Specifications
Specification
Details
Manufacturer
Schneider Electric
Model
TWDLCDA16DRF
Product Family
Twido
Module Type
Compact Base Controller
PLC Type
Integrated Compact PLC
Supply Voltage
24 VDC
Operating Voltage Range
20.4…28.8 VDC
Digital Inputs
9 × 24 VDC
Input Logic
Sink / Source
Digital Outputs
7 Relay Outputs
Relay Output Rating
2 A per channel
Program Capacity
2,000 Instructions
Memory Backup
Internal RAM with Lithium Backup
Communication Port
RS485 (Modbus RTU/ASCII)
Expansion Slot
Memory Cartridge / RTC Cartridge / Serial Adapter
Power Consumption
Approx. 4.6 W
Mounting Type
DIN Rail
Protection Rating
IP20
Operating Temperature
0…55°C
Dimensions
Approx. 90 × 80 × 70 mm
Weight
Approx. 0.25 kg
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Frequently Selected Alternatives
Model
Product Name
Schneider TWDLCAA16DRF
Twido Compact Base Controller
Schneider TWDLCDA24DRF
Twido Compact Base Controller
Schneider TM221C16R
Modicon M221 Logic Controller
Schneider TM221M16R
Modicon M221 Logic Controller
Where It Excels in Industrial Use
• Standalone Machine Control
The Schneider TWDLCDA16DRF is a Twido compact base controller designed for small and medium-sized automation systems. With integrated digital inputs, relay outputs, and a built-in CPU, it delivers dependable control for standalone industrial equipment and OEM machinery.
• Packaging and Assembly Equipment
Its compact footprint and integrated I/O make it well suited for packaging machines, assembly stations, conveyors, and material handling equipment where reliable PLC control is essential.
• Industrial Retrofit Projects
The controller is widely used for upgrading or maintaining existing Twido automation systems, allowing engineers to preserve proven machine logic while replacing aging hardware.
• General Factory Automation
With integrated Modbus serial communication and expandable memory options, the TWDLCDA16DRF provides a practical control platform for production equipment, utility systems, and industrial process automation.
Key Strengths at a Glance
• Integrated PLC with Built-In I/O
Combines CPU, power supply, 9 digital inputs, and 7 relay outputs in a single compact controller, simplifying panel design and reducing installation time.
• Reliable Relay Output Design
Seven relay outputs support both AC and DC loads up to 2 A per channel, making the controller suitable for driving contactors, valves, alarms, and indicator lamps.
• Flexible Communication Capability
Features an integrated RS485 serial communication port supporting Modbus RTU/ASCII master or slave operation, with one expansion slot available for additional serial communication.
• Compact Yet Expandable Platform
Supports memory cartridges and real-time clock cartridges, providing additional flexibility for application storage and system management.
Technical FAQs
1. What type of product is the Schneider TWDLCDA16DRF?
The TWDLCDA16DRF is a Twido compact base PLC controller integrating CPU, digital inputs, relay outputs, and power supply in one unit.
2. How many onboard I/O points are included?
The controller provides 9 digital inputs and 7 relay outputs, for a total of 16 onboard I/O points.
3. What supply voltage does the controller require?
The unit operates from a nominal 24 VDC power supply with an operating range of 20.4 to 28.8 VDC.
4. What communication interface is built into the controller?
It includes an integrated RS485 serial communication port supporting Modbus RTU and ASCII protocols.
5. What programming software is compatible with the TWDLCDA16DRF?
The controller is programmed using Schneider Electric TwidoSuite software.
6. Can the relay outputs switch both AC and DC loads?
Yes. The relay outputs are designed to switch both AC and DC loads within their specified electrical ratings.
7. Does the controller support memory expansion?
Yes. It supports optional memory cartridges and real-time clock cartridges through the integrated expansion slot.
8. Is the TWDLCDA16DRF suitable for OEM machine builders?
Yes. Its integrated architecture, compact size, and reliable relay outputs make it well suited for OEM equipment and compact automation systems.
9. Can this controller be used for maintaining existing Twido systems?
Yes. It is commonly used as a replacement controller for legacy Twido PLC installations.
10. Is the TWDLCDA16DRF still in production?
No. The controller has been discontinued by Schneider Electric, although it continues to be used for maintenance and spare-part applications.
