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TWDLMDA20DRT

The Schneider Electric TWDLMDA20DRT is a compact, all-in-one programmable logic controller (PLC) from the Modicon M221 Logic Controller series. Designed for small to medium-sized automation applications, it integrates a CPU, digital I/O, analog I/O, communication ports, and a built-in real-time clock (RTC) in a single, space-saving unit.

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Parameters 1. General Specifications Parameter Specification Product Family Modicon M221 Logic Controller Model TWDLMDA20DRT Type 24 VDC Powered, Sinking I/O (NPN) Controller Programming Software EcoStruxure Machine Expert - Basic (formerly SoMachine Basic) Programming Languages Ladder Diagram (LD), Function Block Diagram (FBD) 2. Integrated I/O Points I/O Type Quantity Specification Digital Inputs (24VDC) 12 points • Type: Sinking (NPN compatible) • Voltage: 24 VDC (4-30 VDC range) • Logic "1": 15-30 VDC • Integrated functions: 4 fast counters (20 kHz), 4 hardware interrupts Digital Outputs (24VDC) 8 points • Type: Relay outputs (Form A - SPST Normally Open) • Rating: 2 A @ 30 VDC / 250 VAC per point • Total module current: 8 A max Analog Inputs 2 points • Type: Voltage (0-10 VDC) or Current (0-20 mA) selectable via software • Resolution: 10 bits 3. Communication Ports Port Type Function / Protocol Port 1 Ethernet RJ45 (10/100 Mbps) • Modbus TCP (Server/Client) • SNMP • FTP (for file transfer) • HTTP (built-in web server) Port 2 Serial (RS-485) • Modbus RTU (Master/Slave) Port 3 Serial (RS-232) • Modbus ASCII • Character Mode • SoMachine Basic programming port 4. CPU & Memory Parameter Specification Program Memory 16 KB Data Memory 10 KB Retentive Memory 512 bytes (backed by supercapacitor) Real-Time Clock (RTC) Integrated, with supercapacitor backup (typical 10 days) Execution Speed ~0.5 µs per Boolean instruction 5. Electrical Specifications Parameter Specification Supply Voltage 24 VDC (19.2 - 28.8 VDC) Power Consumption Typically 15 W (max 30 W with all outputs active) Input Current (24VDC) ~100 mA (CPU + inputs) + load current for outputs Isolation 1500 VAC between communication ports, I/O, and power supply. 6. Physical & Environmental Parameter Specification Dimensions (W × H × D) 90 mm × 100 mm × 81 mm Weight Approx. 0.5 kg Mounting 35 mm DIN rail Protection Rating IP20 (for installation inside an enclosure) Operating Temperature 0°C to +55°C (32°F to 131°F) Storage Temperature -25°C to +70°C Relative Humidity 10% - 95% (non-condensing) 7. Certifications CE, cULus, UKCA, RoHS, REACH.