{"product_id":"901b-2555-a-control-technology-inc-siemens-control-board","title":"Control Technology Inc (CTI) 901B-2555-A Control Board for Siemens Systems","description":"\u003ch3\u003eDescription\u003c\/h3\u003e\u003cp\u003eThe 901B-2555-A is a high-performance control board engineered by Control Technology Inc (CTI) for integration with Siemens-compatible industrial automation systems, specifically within the CTI 2500 Series and classic controller environments. This specialized processing unit is designed to handle complex logic sequences and high-speed I\/O management within a PLC rack environment. By offloading critical control tasks from the primary CPU, the 901B-2555-A enhances overall system responsiveness and fault tolerance, maintaining continuous uptime in demanding industrial applications.\u003c\/p\u003e\u003ch3\u003eFeatures\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eOptimized for high-integrity signal processing and low-latency communication across the backplane.\u003c\/li\u003e\n\u003cli\u003eMulti-layer PCB design for superior thermal management and electromagnetic shielding.\u003c\/li\u003e\n\u003cli\u003eSupports deterministic execution of control algorithms for critical safety and process loops.\u003c\/li\u003e\n\u003cli\u003eIntegrated diagnostic indicators for real-time health monitoring and rapid fault isolation.\u003c\/li\u003e\n\u003cli\u003eDesigned for seamless expansion of host PLC capabilities in motion control and data acquisition tasks.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eApplications\u003c\/h3\u003e\u003cp\u003eThis control board is extensively utilized in sectors requiring high reliability and continuous operation, including:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003ePetrochemical refining and processing facilities.\u003c\/li\u003e\n\u003cli\u003eWater and wastewater treatment plants.\u003c\/li\u003e\n\u003cli\u003eAutomated assembly lines and high-density machine control systems.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel\u003c\/td\u003e\n\u003ctd\u003e901B-2555-A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eControl Technology Inc (CTI)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eModule Type\u003c\/td\u003e\n\u003ctd\u003eControl Board \/ PLC Add-On\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSystem Compatibility\u003c\/td\u003e\n\u003ctd\u003eSiemens CTI 2500 Series \/ Classic Controllers\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\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003e5.5 W (Typical)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMounting\u003c\/td\u003e\n\u003ctd\u003eRack Slot \/ Internal Bus\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch3\u003eInstallation Guidelines\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eEnsure the PLC rack power is disconnected before installing or removing the module to prevent electrical damage.\u003c\/li\u003e\n\u003cli\u003eHandle the board by the edges to avoid electrostatic discharge (ESD) damage to sensitive components.\u003c\/li\u003e\n\u003cli\u003eEnsure the module is fully seated in the designated rack slot to establish a secure backplane connection.\u003c\/li\u003e\n\u003cli\u003eMaintain proper ventilation within the control cabinet to ensure ambient temperatures remain within the specified 0-60 deg C range.\u003c\/li\u003e\n\u003cli\u003eRoute signal cables away from high-voltage power lines to minimize electromagnetic interference (EMI).\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\u003ch3\u003eIs the 901B-2555-A compatible with all Siemens PLCs?\u003c\/h3\u003e\u003cp\u003eThe 901B-2555-A is specifically designed for compatibility with CTI 2500 Series and classic controllers that interface with CTI hardware. Please verify your specific controller model and backplane configuration before installation.\u003c\/p\u003e\u003ch3\u003eWhat should I do if the diagnostic indicators show a fault?\u003c\/h3\u003e\u003cp\u003eFirst, verify that the board is fully seated in the rack slot and that the backplane connection is secure. If the fault persists, refer to your system's diagnostic manual to interpret the specific error code indicated by the board's LEDs.\u003c\/p\u003e","brand":"Siemens","offers":[{"title":"Default Title","offer_id":50759512523004,"sku":"901B-2555-A","price":99.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0787\/9983\/1292\/files\/wm_1_1566c29f-f4ae-47d1-a42a-a0bbf9247fcd.jpg?v=1785482981","url":"https:\/\/www.electronicplc.com\/ar\/products\/901b-2555-a-control-technology-inc-siemens-control-board","provider":"Electronic PLC","version":"1.0","type":"link"}