{"product_id":"schneider-modicon-compact-asprtu252-communication-modules","title":"Schneider Electric ASPRTU252 Modicon Compact Communication Module","description":"\u003ch3\u003eDescription\u003c\/h3\u003e\u003cp\u003eThe Schneider Electric ASPRTU252 is a dedicated communication module designed for the Modicon Compact series, serving as a high-performance Remote Terminal Unit (RTU) interface. This module facilitates robust, deterministic data exchange between the host controller and remote field assets. By offloading communication protocol processing from the main CPU, the ASPRTU252 ensures consistent data throughput and minimizes bus latency, making it ideal for large-scale telemetry networks, energy distribution substations, and industrial monitoring applications where communication reliability is critical.\u003c\/p\u003e\u003ch3\u003eFeatures\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eDedicated co-processor architecture for independent protocol handling, reducing host CPU overhead.\u003c\/li\u003e\n\u003cli\u003eSupports standard Modbus RTU and Modbus ASCII protocols for broad interoperability.\u003c\/li\u003e\n\u003cli\u003eFeatures dual selectable RS-232\/RS-485 communication ports for flexible field connectivity.\u003c\/li\u003e\n\u003cli\u003eHigh-level galvanic isolation (1500 VAC) between field-side serial loops and the internal backplane to protect against electrical surges and ground potential differences.\u003c\/li\u003e\n\u003cli\u003eIntegrated front-panel LED indicators for immediate status monitoring of transmit\/receive activity and diagnostic fault detection.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eApplications\u003c\/h3\u003e\u003cp\u003eThis communication module is engineered for demanding industrial environments, including:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003ePetroleum and natural gas pipeline monitoring networks.\u003c\/li\u003e\n\u003cli\u003eRemote thermal and hydroelectric power generation substations.\u003c\/li\u003e\n\u003cli\u003eMining facility data acquisition and remote extraction site management.\u003c\/li\u003e\n\u003cli\u003eWide-area industrial infrastructure requiring continuous serial data tracking.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\u003ctable border=\"1\"\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel\u003c\/td\u003e\n\u003ctd\u003eASPRTU252\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eManufacturer\u003c\/td\u003e\n\u003ctd\u003eSchneider Electric\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003e550 mA at 5 VDC (backplane powered)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCommunication Protocols\u003c\/td\u003e\n\u003ctd\u003eModbus RTU, Modbus ASCII\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInterfaces\u003c\/td\u003e\n\u003ctd\u003e2 x RS-232\/RS-485 selectable ports\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMax Baud Rate\u003c\/td\u003e\n\u003ctd\u003e19.2 Kbps per channel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIsolation Rating\u003c\/td\u003e\n\u003ctd\u003e1500 VAC (field-to-bus)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temperature\u003c\/td\u003e\n\u003ctd\u003e0 to 60 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStorage Temperature\u003c\/td\u003e\n\u003ctd\u003e-40 to 85 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRelative Humidity\u003c\/td\u003e\n\u003ctd\u003e5 to 95% non-condensing\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch3\u003eInstallation Guidelines\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eEnsure the rack power is completely disconnected before inserting or removing the module from the Modicon Compact backplane.\u003c\/li\u003e\n\u003cli\u003eThe module occupies one standard slot on the Compact rail system; ensure the backplane connector is clean and free of debris before installation.\u003c\/li\u003e\n\u003cli\u003eUse shielded twisted-pair cabling for RS-485 connections to maintain signal integrity in high-EMI environments.\u003c\/li\u003e\n\u003cli\u003eProperly ground the cable shields at the designated chassis ground point to prevent ground loops.\u003c\/li\u003e\n\u003cli\u003eVerify that port settings (RS-232\/RS-485) match the physical wiring configuration before applying power.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eWhat protocols does the ASPRTU252 support?\u003c\/strong\u003e\u003cbr\u003eThe module is designed to support Modbus RTU and Modbus ASCII communication protocols for serial field devices.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eHow is the module powered?\u003c\/strong\u003e\u003cbr\u003eThe ASPRTU252 draws its operating power directly from the host chassis backplane rail, consuming 550 mA at 5 VDC.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eAre the communication ports isolated?\u003c\/strong\u003e\u003cbr\u003eYes, the unit features galvanic isolation rated at 1500 VAC to protect the internal logic from field-side electrical disturbances.\u003c\/p\u003e","brand":"Schneider","offers":[{"title":"Default Title","offer_id":51217932189948,"sku":"ASPRTU252","price":172.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0787\/9983\/1292\/files\/wm_1_1c1d67cd-08b5-42b4-9814-c7e6094c273c.jpg?v=1788390433","url":"https:\/\/www.electronicplc.com\/products\/schneider-modicon-compact-asprtu252-communication-modules","provider":"Electronic PLC","version":"1.0","type":"link"}