Description The Schneider Electric TWDLCAA24DRF is a Twido compact base programmable controller designed for small to mid-scale automation tasks. It operates from a 100–240 VAC supply and includes 14 discrete 24 VDC inputs and 10 relay outputs for flexible field-device control. With expandability, onboard event processing, and PID capability, this controller provides reliable operation for a wide range of industrial applications. Technical Specifications Condition New/Never Used Surplus Brand Square D / Schneider Electric Category PLCs/Machine Control Part Number TWDLCAA24DRF Subcategory Brick PLC Range of Product Twido Product Type Compact base controller Supply Voltage 100–240 VAC Discrete I/O Count 24 Discrete Inputs 14 × 24 VDC (sink or source) Input Voltage Limits 20.4…28.8 V Discrete Outputs 10 relay outputs Minimum Load 0.1 mA Contact Resistance 30 mΩ Isolation (Channel to Logic) 1500 Vrms for 1 minute Insulation Resistance >10 MΩ @ 500 V (I/O to earth) I/O Expansion Capacity Up to 4 modules Complementary Functions Event processing, PID Program Memory 3000 instructions Execution Speed 1 ms per 1K instructions System Overhead 0.5 ms Inrush Current 40 A Power Consumption 8.7 W Cartridge Options Memory or real-time clock Manufacturer Schneider Electric Information About TWDLCAA24DRF The TWDLCAA24DRF belongs to Schneider Electric’s Twido PLC family, offering a compact, modular base unit for machine and process automation. Its architecture supports up to four expansion modules, allowing incremental growth as application requirements evolve. The controller provides 24 total I/O points, combining DC inputs suitable for sensors and switches with relay outputs capable of driving contactors and other actuators. Features such as event processing and PID functions enable more advanced control strategies within a small footprint. Designed for 24 VDC input logic and equipped with memory or real-time clock cartridge support, the unit suits packaging, material handling, OEM machinery, and general industrial control environments. Key Features: Compact Twido base controller: Integrates 14 DC inputs and 10 relay outputs in one unit. 100–240 VAC powered: Compatible with standard industrial AC control voltages. Expandable architecture: Supports up to four additional I/O modules. 24 VDC input logic: Sink or source configuration for versatile field-device wiring. Event processing and PID: Enables responsive and precise automation control. Memory/RTC cartridge slot: Provides flexibility for application storage or time-based tasks. Industrial insulation ratings: 1500 Vrms isolation between channels and internal logic. Low power consumption: Operates at only 8.7 W with internal fuse protection. The TWDLCAA24DRF delivers the reliability and precision required for compact, scalable industrial automation systems.