Schneider Electric – TM238LDA24DR – Modicon M238 Compact Logic Controller

The Schneider Electric TM238LDA24DR is a compact Modicon M238 logic controller offering robust, industrial-grade PLC performance in a slim DIN-rail format. Featuring 24 discrete I/O points and versatile communications, it’s ideal for mid-range machine and process automation tasks requiring reliable timing, counter, and control capabilities.

Key Features:

• Model: TM238LDA24DR – Compact base unit  

• Power Supply: 100–240 VAC, 50/60 Hz  

• Discrete I/O:

  • 6 standard + 8 fast digital inputs (24 V DC, 10 mA)

  • 4 solid-state outputs (24 V DC, 0.5 A)

  • 6 relay outputs (up to 230 VAC/30 VDC, 2 A each; one output rated 5 A)  

• Performance: 8 high-speed inputs (up to 100 kHz), PTO/PWM outputs, fast response times (0.25 ms SSO)  

• Memory: 500 kB internal RAM with retain backup (approx. 10 years), plus optional lithium battery for extended backup  

• Communication Ports: RS-232/RS‑485 serial support for Modbus & SoMachine protocols, plus ASCII peripheral connectivity  

• Expansion: Supports up to 7 I/O extension modules; DIN‑rail or panel mountable  

• Physical: Approx. 1.6 lb (0.73 kg); -10 °C to +55 °C operating range; Class I Div 2 certification possible