{"product_id":"siemens-pol638-70-std","title":"POL638.70\/STD","description":"\u003ch2\u003eOverview of Siemens POL638-70-STD Climatix HVAC Controller\u003c\/h2\u003e\n\u003cp\u003eThe Siemens POL638-70-STD is a freely programmable HVAC controller designed for ventilation, air conditioning, and refrigeration systems. It features 21 flexible I\/O points, Ethernet communication, RS485, KNX, Modbus, JSON, and PL-Link interfaces for versatile building automation network integration. The controller supports graphical programming via the SAPRO tool and includes USB and SD card support for easy configuration and firmware updates.\u003c\/p\u003e\n\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e21 universal I\/O points including analog inputs, digital inputs, relay, and triac outputs.\u003c\/li\u003e\n  \u003cli\u003eSupports Ethernet, RS485, KNX, Modbus, JSON, and PL-Link communication protocols.\u003c\/li\u003e\n  \u003cli\u003eFreely programmable using SAPRO graphical programming editor.\u003c\/li\u003e\n  \u003cli\u003eIntegrated web server for local or remote configuration via standard browsers.\u003c\/li\u003e\n  \u003cli\u003eUSB interface for easy connection with service tools and programming.\u003c\/li\u003e\n  \u003cli\u003eSD card support for program backup and firmware updates.\u003c\/li\u003e\n  \u003cli\u003eExpandable with Climatix extension modules via peripheral bus.\u003c\/li\u003e\n  \u003cli\u003eRobust communication interfaces, including Modbus RTU and KNX-TP1 process bus.\u003c\/li\u003e\n  \u003cli\u003eOperating temperature range from -20 to +60 °C.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eTechnical Specs\u003c\/h2\u003e\n\u003ctable\u003e\n  \u003ctr\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003cth\u003eDetails\u003c\/th\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eModel\u003c\/td\u003e\n\u003ctd\u003ePOL638-70-STD\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003ePower Supply\u003c\/td\u003e\n\u003ctd\u003eAC 24 V ±20% or DC 24 V ±10%\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eNumber of I\/Os\u003c\/td\u003e\n\u003ctd\u003e21 (universal analog\/digital, relay, triac)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eCommunication\u003c\/td\u003e\n\u003ctd\u003eEthernet, RS485, KNX, Modbus, JSON, PL-Link\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eProgramming Tool\u003c\/td\u003e\n\u003ctd\u003eSAPRO graphical editor\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eInterfaces\u003c\/td\u003e\n\u003ctd\u003eUSB, SD card, Ethernet port, RS485\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eDimensions (L×W×H)\u003c\/td\u003e\n\u003ctd\u003e180 × 110 × 75 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eOperating Temperature\u003c\/td\u003e\n\u003ctd\u003e-20 to +60 °C\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eProtection Class\u003c\/td\u003e\n\u003ctd\u003eIP20\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003eApprox. 400 g\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch2\u003eApplications \/ Use Case\u003c\/h2\u003e\n\u003cp\u003eUsed for flexible and scalable HVAC control in commercial and industrial buildings, enabling efficient management of ventilation, air conditioning, and refrigeration systems.\u003c\/p\u003e\n\n\u003cp\u003eSiemens provides comprehensive support, firmware updates, and engineering tools for easy integration and maintenance.\u003c\/p\u003e","brand":"Siemens","offers":[{"title":"Default Title","offer_id":47796380762411,"sku":null,"price":0.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0837\/4671\/7995\/files\/Leadtime_c2311d10-941e-47df-ab14-f4717b6f3aa7.png?v=1723551320","url":"https:\/\/leadtime.ca\/products\/siemens-pol638-70-std","provider":"LEADTIME","version":"1.0","type":"link"}