{"product_id":"d4-454-automation-direct-directlogic-405-plc-cpu-31-5k-memory","title":"D4-454 | Automation Direct DirectLogic 405 PLC CPU 31.5K Memory","description":"\u003ch4\u003eDescription \u003c\/h4\u003e\n\u003cp data-end=\"376\" data-start=\"19\"\u003e\u003cmeta charset=\"utf-8\"\u003eThe Automation Direct D4-454 is a DirectLogic 405 CPU module designed for high-capacity PLC control applications requiring discrete processing and communication flexibility. It features 31.5K words of ladder memory and multiple built-in serial communication ports. This CPU requires an external 120–240 VAC power source and is engineered for industrial automation systems demanding reliable performance.\u003cbr\u003e\u003c\/p\u003e\n\u003cp data-end=\"417\" data-start=\"20\"\u003e \u003c\/p\u003e\n\u003cp data-end=\"417\" data-start=\"20\"\u003e \u003c\/p\u003e\n\u003ch4\u003eTechnical Specifications \u003c\/h4\u003e\n\u003ctable style=\"width: 96.3768%; height: 411.47px;\" height=\"488\"\u003e\n\u003ctbody\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 36.6089%; height: 19.5938px;\"\u003e\u003cstrong\u003eCondition\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 63.1646%; height: 19.5938px;\"\u003eNew\/Never Used Surplus\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 36.6089%; height: 19.5938px;\"\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 63.1646%; height: 19.5938px;\"\u003eAutomation Direct\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 36.6089%; height: 19.5938px;\"\u003e\u003cstrong\u003eCategory\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 63.1646%; height: 19.5938px;\"\u003ePLC Modules\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 36.6089%; height: 19.5938px;\"\u003e\u003cstrong\u003ePart Number\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 63.1646%; height: 19.5938px;\"\u003eD4-454\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 36.6089%; height: 19.5938px;\"\u003e\u003cstrong\u003eSubcategory\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 63.1646%; height: 19.5938px;\"\u003ePLC CPU Modules\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 36.6089%; height: 19.5938px;\"\u003e\u003cstrong\u003eSeries\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 63.1646%; height: 19.5938px;\"\u003eDirectLogic 405\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 36.6089%; height: 19.5938px;\"\u003e\u003cstrong\u003eLadder Memory\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 63.1646%; height: 19.5938px;\"\u003e31.5K Words\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 39.1875px;\"\u003e\n\u003ctd style=\"width: 36.6089%; height: 39.1875px;\"\u003e\u003cstrong\u003eCommunication Ports\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 63.1646%; height: 39.1875px;\"\u003e(1) RS-232 DB15, (1) RS-232 RJ12, (2) RS-232\/RS-422 DB25\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 36.6089%; height: 19.5938px;\"\u003e\u003cstrong\u003eInterrupt Inputs\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 63.1646%; height: 19.5938px;\"\u003e16 Points\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 36.6089%; height: 19.5938px;\"\u003e\u003cstrong\u003eInput Voltage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 63.1646%; height: 19.5938px;\"\u003e100–120 VAC; 196–240 VAC (+10% \/ -15%)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 36.6089%; height: 19.5938px;\"\u003e\u003cstrong\u003eOutput Voltage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 63.1646%; height: 19.5938px;\"\u003e20–28 VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 36.6089%; height: 19.5938px;\"\u003e\u003cstrong\u003eMax Power Consumption\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 63.1646%; height: 19.5938px;\"\u003e50 VA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 36.6089%; height: 19.5938px;\"\u003e\u003cstrong\u003eMax Inrush Current\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 63.1646%; height: 19.5938px;\"\u003e20 A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 39.1875px;\"\u003e\n\u003ctd style=\"width: 36.6089%; height: 39.1875px;\"\u003e\u003cstrong\u003eAmbient Operating Temperature\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 63.1646%; height: 39.1875px;\"\u003e32°F to 140°F (0°C to 60°C)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 36.6089%; height: 19.5938px;\"\u003e\u003cstrong\u003eStorage Temperature\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 63.1646%; height: 19.5938px;\"\u003e–4°F to 158°F (–20°C to 70°C)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 36.6089%; height: 19.5938px;\"\u003e\u003cstrong\u003eVibration Resistance\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 63.1646%; height: 19.5938px;\"\u003eMIL STD 810C, Method 514.2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 36.6089%; height: 19.5938px;\"\u003e\u003cstrong\u003ePower Requirement\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 63.1646%; height: 19.5938px;\"\u003eExternal 120–240 VAC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 36.6089%; height: 19.5938px;\"\u003e\u003cstrong\u003eBattery\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 63.1646%; height: 19.5938px;\"\u003eIncluded\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 36.6089%; height: 19.5938px;\"\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 63.1646%; height: 19.5938px;\"\u003e2.5 lb\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch4\u003e\u003cbr\u003e\u003c\/h4\u003e\n\u003ch4\u003eInformation About D4-454\u003c\/h4\u003e\n\u003cp data-end=\"947\" data-start=\"393\"\u003e\u003cmeta charset=\"utf-8\"\u003eThe D4-454 is part of the DirectLogic 405 series and functions as the central processing unit within a DL405 PLC rack. It provides 31.5K words of ladder program memory and supports up to 16 interrupt input points for responsive control applications. The module includes multiple communication interfaces, including one RS-232 (DB15), one RS-232 (RJ12), and two configurable RS-232\/RS-422 (DB25) ports, enabling flexible integration with peripherals and supervisory systems. Designed for operation in industrial environments, it supports a wide input voltage range and includes a battery for memory retention.\u003cbr\u003e\u003c\/p\u003e\n\u003cp data-start=\"372\" data-end=\"828\"\u003e\u003cstrong data-end=\"1102\" data-start=\"1085\"\u003eKey Features:\u003c\/strong\u003e\u003cstrong data-end=\"1102\" data-start=\"1085\"\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e31.5K Words Ladder Memory: Supports large and complex control programs.\u003c\/li\u003e\n\u003cli\u003eMultiple Serial Communication Ports: Includes RS-232 (DB15), RS-232 (RJ12), and dual RS-232\/RS-422 (DB25) interfaces.\u003c\/li\u003e\n\u003cli\u003eDirectLogic 405 Platform: Designed for integration within DL405 PLC systems.\u003c\/li\u003e\n\u003cli\u003eExternal 120–240 VAC Power Required: Compatible with industrial AC supply ranges.\u003c\/li\u003e\n\u003cli\u003e16 Interrupt Inputs: Enables rapid response to time-critical events.\u003c\/li\u003e\n\u003cli\u003eBattery-Backed Memory: Maintains program data during power loss.\u003c\/li\u003e\n\u003cli\u003eWide Operating Temperature Range: Operates from 32°F to 140°F (0°C to 60°C).\u003c\/li\u003e\n\u003cli\u003eRugged Industrial Design: Meets MIL STD 810C vibration resistance standards.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe D4-454 delivers the reliability and precision required for high-capacity PLC control and communication-intensive industrial automation systems.\u003c\/p\u003e","brand":"Automation Direct","offers":[{"title":"Default Title","offer_id":51165342302506,"sku":"D4-454","price":2177.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0800\/0392\/4266\/files\/l_d4454.jpg?v=1771501251","url":"https:\/\/iqelectro.com\/products\/d4-454-automation-direct-directlogic-405-plc-cpu-31-5k-memory","provider":"IQElectro","version":"1.0","type":"link"}