{"product_id":"eke-1b-danfoss-080g5350-superheat-controller","title":"EKE 1B Contrôleur de surchauffe Danfoss 080G5350","description":"\u003ch3\u003eProduct Overview\u003c\/h3\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e080G5350 (080G5350)\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eis a precision-engineered\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eDanfoss\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eEKE 1B series superheat controller, specifically designed for managing electronic expansion valves in refrigeration and HVAC systems. In critical applications such as industrial chillers, food processing refrigeration, and advanced heat pumps, the\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eEKE 1B\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eacts as the localized intelligence for evaporator optimization. By processing high-speed signals from one pressure sensor and two temperature sensors, the unit maintains the ideal superheat setpoint, preventing liquid return to the compressor while maximizing heat transfer efficiency. Its integration into a system significantly reduces energy overhead and extends the lifecycle of primary cooling components.\u003c\/p\u003e\n\u003ch3\u003eTechnical Configuration\u003c\/h3\u003e\n\u003cp\u003eThe hardware profile of the\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e080G5350\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eis designed for DIN rail mounting, providing a compact footprint with high-speed processing capabilities.\u003c\/p\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eSensor Interface:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eSupports a ratiometric pressure sensor (0.5 - 4 VDC) and dual temperature sensors for precise superheat calculation.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eCommunication Protocols:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eFeatures a robust Modbus RS485 RTU interface for BMS integration, alongside an RJ11 (CAN) port for connection to a local User Interface (such as the MMIGRS2).\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eControl Logic:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eEquipped with 2 Analog Inputs (Voltage), 2 Digital Inputs, and 1 Digital Output, allowing for comprehensive system interlocks and alarm signaling.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003ePower Resilience:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eOperates on 24 VAC\/VDC and includes a battery back-up range (18 - 24 VDC) to ensure the expansion valve can be driven to a safe position during a total power failure.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eArchitecture:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eUtilizes a shared power supply and hardwired signal sharing to simplify cabinet wiring in multi-stage evaporator configurations.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr class=\"firstRow\"\u003e\n\u003ctd\u003e\u003cstrong\u003eFeature\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eSpecification\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\u003e080G5350\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\u003eDanfoss\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eType\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eSuperheat Controller (EKE 1B)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eSupply Voltage\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e24 VAC \/ 24 VDC\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eCommunication\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eModbus RS485 RTU \/ CAN\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eAnalog Inputs (AI)\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e2 pc (Voltage)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eDigital Inputs (DI)\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e2 pc\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eDigital Outputs (DO)\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e1 pc\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eMounting\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eDIN Rail\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003ePressure Support\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eRatiometric 0.5 to 4 VDC\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eProduct Weight\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e0.134 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\u003e1.5 kg\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eTechnical FAQs\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eHow does the battery back-up function work on the EKE 1B?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e080G5350\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003emonitors the 24 V input. If power is lost, the controller utilizes the energy from the external battery back-up (18-24 VDC) to provide the necessary current to the stepper motor, forcing the expansion valve to a fully closed position to prevent liquid floodback.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan I use the MMIGRS2 display with this controller?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eYes, while the EKE 1B does not have an onboard display, it is fully compatible with the MMIGRS2 interface via the RJ11 CAN port, allowing for easy parameter adjustment and real-time monitoring on-site.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIs the pressure sensor input compatible with 4-20 mA signals?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe standard input for the EKE 1B is ratiometric 0.5 to 4 VDC. If a 4-20 mA sensor is required, a signal converter or a different EKE variant must be used, as this model is hardware-optimized for voltage-based ratiometric sensors.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3\u003eEngineering \u0026amp; Installation Guide\u003c\/h3\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eSignal Integrity:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eEnsure that the sensor wires (Pressure and Temperature) are kept separate from high-voltage power lines. Use shielded cables for the Modbus RS485 communication to prevent electromagnetic interference (EMI) from VFDs or large contactors from corrupting the superheat calculation data.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eGrounding Protocol:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eWhen using the shared power supply feature, ensure that the common (GND) is properly referenced across all networked EKE units to avoid ground loops. Improper grounding can lead to ratiometric sensor drift, causing inaccurate valve positioning.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eBattery Maintenance:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003ePeriodically test the battery back-up circuit. In systems located in extreme cold or high-heat environments, battery capacity can degrade; ensuring a minimum of 18 VDC is available under load is critical for the \"Safe Close\" function of the electronic expansion valve.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"Danfoss","offers":[{"title":"Default Title","offer_id":53102418362731,"sku":"080G5350ÿ","price":100.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0953\/3227\/0443\/files\/080g5350-pb3vlof3fgr.png?v=1776136976","url":"https:\/\/www.plcprotech.com\/fr\/products\/eke-1b-danfoss-080g5350-superheat-controller","provider":"PLC ProTech Ltd.","version":"1.0","type":"link"}