{"product_id":"delta-dvp48eh00r3-dvp-eh3-series-plc-main-processing-unit","title":"Unité principale de traitement PLC série DELTA DVP48EH00R3 DVP-EH3","description":"\u003ch3\u003eAdvanced Automation Controller Overview\u003c\/h3\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eDVP48EH00R3 (DVP48EH00R3)\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eis a high-performance main processing unit within Delta’s flagship DVP-EH3 Series PLC lineup. Engineered for complex process control and high-speed motion execution, this 48-point base controller delivers exceptional program capacities and optimized execution speeds for demanding industrial machinery. In demanding application environments such as high-speed packaging, automated textile machinery, and centralized water treatment systems, the\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eDVP48EH00R3\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003epreserves system continuity and limits costly production downtime through robust ASIC dual-processors and fully isolated hardware protection. Its high-density I\/O configuration provides the precise, multi-point monitoring required to maintain strict plant floor efficiency and deterministic control.\u003c\/p\u003e\n\u003ch3\u003eHardware Architecture \u0026amp; Technical Configuration\u003c\/h3\u003e\n\u003cp\u003eThe internal engineering of the DVP-EH3 series is optimized for high-speed operation and flexible expansion:\u003c\/p\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eDual-Processor Engine:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eFeatures an independent CPU alongside a dedicated hardware ASIC to execute motion control commands, high-speed counters, and basic ladder logic instructions in parallel, maximizing throughput.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eComplete I\/O Architecture:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eOutfitted with 48 integrated I\/O points split evenly as 24 digital inputs (24 VDC) and 24 robust relay outputs, ideal for switching high-power actuators and field solenoids.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eCommunication Interface:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eEquipped with independent built-in RS-232 and RS-485 serial ports, fully supporting Modbus ASCII\/RTU protocols for seamless integration with HMIs, variable frequency drives, and instrumentation networks.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eHigh-Speed Counter Arrays:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eIntegrates hardware-driven high-speed counters supporting input frequencies up to 200 kHz for precise rotary encoder feedback and positioning tasks.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eCritical Engineering Parameters\u003c\/h3\u003e\n\u003cp\u003eThe following detailed specification matrix outlines the physical, electrical, and environmental characteristics verified for industrial deployment:\u003c\/p\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr class=\"firstRow\"\u003e\n\u003ctd\u003e\u003cstrong\u003eParameter\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eSpecifications\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eModel\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eDVP48EH00R3\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eDELTA\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eOrigin\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eTaiwan\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eController Class\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eDVP-EH3 Series Main Processing Unit\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eTotal I\/O Points\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e48 Points (24 Inputs \/ 24 Outputs)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eInput Signal Type\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e24 VDC Digital (Sink or Source)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eOutput Component\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eMechanical Relay Contacts\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eSupply Voltage Range\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e100 V AC to 240 V AC (50\/60 Hz)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eProgram Capacity\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e30k Steps (Flash Memory)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eData Register Capacity\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e12k Words\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eOperating Temperature\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e0 to 55 deg C (without derating)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eNet Weight\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e1.15 kg\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eShipping Weight\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e2.00 kg\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eTechnical Knowledge Base \u0026amp; Common Inquiries\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eWhat are the specific contact ratings and life cycle limitations of the relay outputs?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe mechanical relay outputs on the DVP48EH00R3 are rated for a maximum of 2 A per point with resistive loads, and up to 30 VDC or 250 VAC. Under full rated load conditions, the mechanical life expectancy of the relay contacts is approximately 3,000,000 operations, while electrical life expectancy is 100,000 cycles.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHow does this module handle program retention during extended facility power loss?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe controller incorporates an internal lithium battery to back up data registers (latched zones) and the real-time clock (RTC) when the primary AC power supply is lost. Program logic is stored in non-volatile Flash memory, ensuring zero loss of operational code even if the backup battery drains completely.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIs it possible to expand the local I\/O capacity of this base unit, and what are the limits?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eYes, the DVP-EH3 main processing unit can be expanded using standard DVP-E series right-side expansion modules (digital, analog, temperature, and communication). The CPU supports a maximum total system configuration of up to 512 I\/O points.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3\u003eField Commissioning \u0026amp; Safety Guidelines\u003c\/h3\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eRelay Arc Suppression Protocols:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eWhen driving highly inductive field loads (such as heavy-duty contactor coils or solenoids), install an external surge suppressor. For AC circuits, use an RC snubber circuit across the load; for DC circuits, place a flyback diode in parallel with the load to prevent premature degradation of the PLC's internal relay contacts.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eEnclosure Thermal Management:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eMount the PLC horizontally onto a standard 35 mm DIN rail inside a well-ventilated electrical enclosure. Maintain a minimum clearance of 50 mm above, below, and around the chassis to facilitate natural convective cooling and prevent heat build-up past the 55 deg C operating threshold.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eSignal Grounding and Isolation:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eEnsure the dedicated Ground terminal (SG) is securely bonded to a low-impedance earth ground point (Class 3 grounding system, under 100 Ohms). Run all low-voltage 24 VDC sensor input cabling in separate, isolated wire ducts away from high-voltage AC mains power lines to minimize induced electromagnetic noise.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"Delta Electronics","offers":[{"title":"Default Title","offer_id":53102408991083,"sku":"DVP48EH00R3","price":100.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0953\/3227\/0443\/files\/DVP48EH00R3-s0qypzy2nc4.png?v=1776137330","url":"https:\/\/www.plcprotech.com\/fr\/products\/delta-dvp48eh00r3-dvp-eh3-series-plc-main-processing-unit","provider":"PLC ProTech Ltd.","version":"1.0","type":"link"}