{"product_id":"schneider-modicon-tm238ldd24dt-plc-request-price-now","title":"Schneider Modicon TM238LDD24DT PLC – Request Price Now","description":"\u003ch2\u003e\u003cstrong\u003eSchneider Electric TM238LDD24DT Compact Logic Controller – 24 I\/O, 24 V DC, Modicon M238 Series\u003c\/strong\u003e\u003c\/h2\u003e\n\n\u003cp\u003eThe \u003cstrong\u003eTM238LDD24DT\u003c\/strong\u003e from Schneider Electric belongs to the Modicon M238 logic controller range. This compact base delivers 24 discrete I\/O in a DIN-rail form factor. Engineers use it for machine control, counting, positioning and serial communication tasks. The controller runs on 24 V DC supply and offers 500 kB internal RAM.\u003c\/p\u003e\n\n\u003ch3\u003e\u003cstrong\u003eSummary\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eThe \u003cstrong\u003eTM238LDD24DT\u003c\/strong\u003e combines 14 discrete inputs and 10 discrete outputs in one compact base.\u003c\/li\u003e\n  \u003cli\u003eEight fast inputs and four fast outputs support high-speed counting and PWM\/PTO positioning.\u003c\/li\u003e\n  \u003cli\u003eTwo 100 kHz positioning channels handle PWM and PTO modes for motion-oriented applications.\u003c\/li\u003e\n  \u003cli\u003eOne isolated RJ45 serial link supports Modbus master\/slave RTU\/ASCII and character mode.\u003c\/li\u003e\n  \u003cli\u003eThe Modicon M238 series targets OEM machine builders who need flexible, expandable control.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003e\u003cstrong\u003eTechnical Specifications\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Schneider Electric\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eModel:\u003c\/strong\u003e \u003cstrong\u003eTM238LDD24DT\u003c\/strong\u003e\n\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSeries:\u003c\/strong\u003e Modicon M238 logic controller\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eProduct type:\u003c\/strong\u003e Compact base, 24 discrete I\/O\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSupply voltage:\u003c\/strong\u003e 24 V DC, limits 19.2...28.8 V, inrush current ≤ 35 A\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePower consumption:\u003c\/strong\u003e ≤ 17.2 W\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMemory:\u003c\/strong\u003e Internal RAM 500 kB; retain variables backed up by optional lithium thionyl chloride battery (TSXPLP01) for 1 year\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDiscrete inputs:\u003c\/strong\u003e 8 fast inputs plus 6 standard inputs, 24 V DC, sink or source logic\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eInput thresholds:\u003c\/strong\u003e state 1 ≥ 15 V \/ ≥ 2 mA; state 0 ≤ 5 V \/ ≤ 1.5 mA\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eInput current:\u003c\/strong\u003e 8 mA fast input, 10.4 mA standard input\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eInput impedance:\u003c\/strong\u003e 3 kOhm fast input, 2.3 kOhm standard input\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eInput response time:\u003c\/strong\u003e 300 ns fast input, 3 ms standard input\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eInput frequency:\u003c\/strong\u003e ≤ 100 kHz for standard and fast inputs (normal and counter mode)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eConfigurable filtering:\u003c\/strong\u003e 4 ms, 2 ms, 1 ms, 0.4 ms and 0.004 ms fast input settings\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAnti-bounce filtering:\u003c\/strong\u003e 4 ms, 12 ms, 1.5 ms and 0 ms configurable input settings\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDiscrete outputs:\u003c\/strong\u003e 6 standard outputs plus 4 fast outputs, 24 V DC, positive (source) or negative (sink) logic\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOutput current:\u003c\/strong\u003e 20...500 mA standard output; ≤ 500 mA fast output in normal mode; ≤ 100 mA in PWM or PTO mode\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOutput frequency:\u003c\/strong\u003e ≤ 100 kHz standard output; ≤ 20 kHz fast output in PWM mode; ≤ 100 kHz fast output in PTO mode\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOutput response time:\u003c\/strong\u003e 0.25 ms fast output, \u0026lt; 1 ms standard output\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eProtection:\u003c\/strong\u003e short-circuit, overvoltage and overload protection on outputs and fast outputs\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLeakage current:\u003c\/strong\u003e 0.05 mA standard output, ≤ 2 mA fast output; residual voltage ≤ 2 V\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eIsolation:\u003c\/strong\u003e 500 V DC between channels and internal logic; 500 V for output groups and fast input pairs\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCable length:\u003c\/strong\u003e ≤ 30 m shielded cable for most I\/O; ≤ 10 m for counter-mode fast input and PWM\/PTO fast output\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCounting inputs:\u003c\/strong\u003e 8 channels at 100 kHz, 32-bit resolution\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePositioning functions:\u003c\/strong\u003e 2 PWM\/PTO channels at 100 kHz\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eExecution speed:\u003c\/strong\u003e 0.971 µs Boolean instruction; 0.3 ms per 1 K instructions (70 % Boolean + 30 % fixed arithmetic)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eReal-time clock:\u003c\/strong\u003e drift 10 s\/month at 25 °C\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eIntegrated connection:\u003c\/strong\u003e 1 isolated serial link, female RJ45, Modbus master\/slave RTU\/ASCII, character mode or SoMachine-Network RS232\/RS485, 1.2...115.2 kbit\/s\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eExpansion:\u003c\/strong\u003e up to 7 I\/O expansion modules; up to 248 I\/O with HE-10 connector\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMounting:\u003c\/strong\u003e 35 mm symmetrical DIN rail or panel\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDimensions:\u003c\/strong\u003e 157 mm width, 118 mm height, 86 mm depth; weight 0.56 kg\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOperating temperature:\u003c\/strong\u003e -10...55 °C; storage -40...70 °C\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHumidity:\u003c\/strong\u003e 95 % without condensation\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eProtection degree:\u003c\/strong\u003e IP20, pollution degree ≤ 2\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAltitude:\u003c\/strong\u003e 0...2000 m operating, 0...3000 m storage\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eVibration resistance:\u003c\/strong\u003e 1 gn, 3.5 mm, f = 5...150 Hz\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eShock resistance:\u003c\/strong\u003e 15 gn for 11 ms\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDielectric strength:\u003c\/strong\u003e 500 V for 1 minute between supply and earth, and between I\/O and earth\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eInsulation resistance:\u003c\/strong\u003e \u0026gt; 10 MOhm at 500 V\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMicrobreak immunity:\u003c\/strong\u003e 10 ms\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCertifications:\u003c\/strong\u003e CE, CSA, UL, GOST, CTick\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLocal signalling:\u003c\/strong\u003e LEDs for RUN, ERR, PWR, Batt, SL1 and per-channel I\/O state\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003e\u003cstrong\u003eInstallation Guide\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eMount the controller on a 35 mm symmetrical DIN rail or a flat panel inside an enclosure.\u003c\/li\u003e\n  \u003cli\u003eKeep clearance around the base for heat dissipation; the unit dissipates up to 17.2 W.\u003c\/li\u003e\n  \u003cli\u003eConnect 24 V DC supply to the removable screw terminal block; observe 19.2...28.8 V limits.\u003c\/li\u003e\n  \u003cli\u003eWire standard inputs to the 7-terminal block and fast inputs to the 12-terminal block.\u003c\/li\u003e\n  \u003cli\u003eWire standard outputs to the 6-terminal block and fast outputs to the 10-terminal block.\u003c\/li\u003e\n  \u003cli\u003eUse shielded cable for fast I\/O; keep counter-mode and PWM\/PTO cables within 10 m.\u003c\/li\u003e\n  \u003cli\u003eGround the enclosure properly to meet the 500 V dielectric strength and \u0026gt; 10 MOhm insulation ratings.\u003c\/li\u003e\n  \u003cli\u003eAttach the optional TSXPLP01 battery if retain variables must survive power loss.\u003c\/li\u003e\n  \u003cli\u003eConnect the programming terminal through the mini-B USB 2.0 port.\u003c\/li\u003e\n  \u003cli\u003eRoute the isolated RJ45 serial link separately from high-current power wiring.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003e\u003cstrong\u003ePackage Contents\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e1 × Schneider Electric \u003cstrong\u003eTM238LDD24DT\u003c\/strong\u003e compact base\u003c\/li\u003e\n  \u003cli\u003e1 × removable screw terminal block for 24 V DC power supply\u003c\/li\u003e\n  \u003cli\u003e1 × removable screw terminal block, 7 terminals, for standard inputs\u003c\/li\u003e\n  \u003cli\u003e1 × removable screw terminal block, 6 terminals, for standard outputs\u003c\/li\u003e\n  \u003cli\u003e1 × removable screw terminal block, 12 terminals, for fast inputs\u003c\/li\u003e\n  \u003cli\u003e1 × removable screw terminal block, 10 terminals, for fast outputs\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003e\u003cstrong\u003eShipping\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eWe ship orders through FedEx, UPS and DHL.\u003c\/li\u003e\n  \u003cli\u003eEach controller travels in protective packaging suitable for international transport.\u003c\/li\u003e\n  \u003cli\u003eContact our sales team for lead time and freight options before placing bulk orders.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003e\u003cstrong\u003eFAQ\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eQ: How many I\/O does the TM238LDD24DT provide?\u003c\/strong\u003e\u003cbr\u003eA: It provides 14 discrete inputs and 10 discrete outputs, including 8 fast inputs and 4 fast outputs.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eQ: Can I expand the controller?\u003c\/strong\u003e\u003cbr\u003eA: Yes. It accepts up to 7 I\/O expansion modules, reaching up to 248 I\/O with HE-10 connectors.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eQ: What positioning functions does it support?\u003c\/strong\u003e\u003cbr\u003eA: It offers 2 PWM\/PTO channels at 100 kHz for positioning tasks.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eQ: Which serial protocols does it support?\u003c\/strong\u003e\u003cbr\u003eA: It supports Modbus master\/slave RTU\/ASCII, character mode and SoMachine-Network RS232\/RS485.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eQ: What is the operating temperature range?\u003c\/strong\u003e\u003cbr\u003eA: The controller operates from -10 °C to 55 °C and stores from -40 °C to 70 °C.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eQ: How long do retain variables last without power?\u003c\/strong\u003e\u003cbr\u003eA: The internal battery holds retain variables for 3 days 22 hours 10 years; the optional TSXPLP01 battery extends backup to 1 year.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003e© 2026 Ubest Automation Limited. \u003ca href=\"https:\/\/www.ubestplc.com\/\"\u003ehttps:\/\/www.ubestplc.com\/\u003c\/a\u003e All rights reserved.\u003c\/strong\u003e\u003cbr\u003e\nContact: \u003ca href=\"mailto:sales@ubestplc.com\"\u003esales@ubestplc.com\u003c\/a\u003e 电话 \u003ca href=\"https:\/\/wa.me\/868618030005825\"\u003e+86 86 180 3000 5825\u003c\/a\u003e\u003c\/p\u003e","brand":"Schneider","offers":[{"title":"Default Title","offer_id":53262800388378,"sku":"TM238LDD24DT","price":257.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0873\/6240\/4634\/files\/TM238LDD24DT.jpg?v=1792659685","url":"https:\/\/www.ubestplc.com\/products\/schneider-modicon-tm238ldd24dt-plc-request-price-now","provider":"Ubest Automation Limited","version":"1.0","type":"link"}