{"product_id":"allen-bradley-plc-5-0042-6841-control-board","title":"Allen-Bradley 0042-6841 PLC-5 Control Board","description":"\u003ch3\u003eDescription\u003c\/h3\u003e\u003cp\u003eThe Allen-Bradley 0042-6841 is a specialized control board designed for the PLC-5 industrial automation platform. This printed circuit board (PCB) assembly features integrated multiport capabilities, serving as a critical component for system communication and logic processing within the PLC-5 architecture. It is engineered to provide reliable control functions in demanding industrial environments.\u003c\/p\u003e\u003ch3\u003eFeatures\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eIntegrated multiport design for enhanced connectivity\u003c\/li\u003e\n\u003cli\u003eHigh-speed processing support for PLC-5 system logic\u003c\/li\u003e\n\u003cli\u003eEquipped with 128 k x 8 EPROM for program memory storage\u003c\/li\u003e\n\u003cli\u003eThree dedicated RS-232\/423 serial ports via DB-9 connectors\u003c\/li\u003e\n\u003cli\u003eRobust design for standard industrial control applications\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Model\u003c\/td\u003e\n\u003ctd\u003e0042-6841\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eManufacturer\u003c\/td\u003e\n\u003ctd\u003eAllen-Bradley\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProgram Memory\u003c\/td\u003e\n\u003ctd\u003e128 k x 8 EPROM\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSerial Ports\u003c\/td\u003e\n\u003ctd\u003e3 x RS-232\/423 (DB-9)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSupply Voltage\u003c\/td\u003e\n\u003ctd\u003e+5 V DC +\/- 5%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCurrent Draw\u003c\/td\u003e\n\u003ctd\u003e0.9 A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRipple Tolerance\u003c\/td\u003e\n\u003ctd\u003e50 mV pk-pk max\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIn-rush Current\u003c\/td\u003e\n\u003ctd\u003e2 A for 100 us\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temperature\u003c\/td\u003e\n\u003ctd\u003e0 to 60 degC (natural convection)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStorage Temperature\u003c\/td\u003e\n\u003ctd\u003e-40 to 85 degC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHumidity\u003c\/td\u003e\n\u003ctd\u003e5 to 95% RH (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 PLC-5 chassis is powered down before installing or removing the control board 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\u003eVerify that the board is correctly seated in the designated PLC-5 backplane slot and that all retaining screws are tightened.\u003c\/li\u003e\n\u003cli\u003eEnsure adequate clearance around the module to allow for natural convection cooling, as per the operating temperature specifications.\u003c\/li\u003e\n\u003cli\u003eRoute serial communication 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\u003eWhat is the primary function of the 0042-6841 control board?\u003c\/h3\u003e\u003cp\u003eThis board acts as a central control and communication interface for the Allen-Bradley PLC-5 system, providing the necessary serial ports and memory capacity to execute control logic.\u003c\/p\u003e\u003ch3\u003eIs this board compatible with all PLC-5 processors?\u003c\/h3\u003e\u003cp\u003eThe 0042-6841 is specific to the PLC-5 family. Please verify your specific chassis and processor model compatibility before installation to ensure the hardware revision matches your system requirements.\u003c\/p\u003e\u003ch3\u003eWhat are the power requirements for this module?\u003c\/h3\u003e\u003cp\u003eThe module operates on a +5 V DC supply rail with a current requirement of 0.9 A. It is designed to tolerate a maximum ripple of 50 mV pk-pk.\u003c\/p\u003e","brand":"Allen-Bradley","offers":[{"title":"Default Title","offer_id":50910379999484,"sku":"0042-6841","price":99.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0787\/9983\/1292\/files\/wm_1_21ac6c59-e90e-47aa-9bbc-c4d18aa304fc.jpg?v=1785656553","url":"https:\/\/www.electronicplc.com\/es\/products\/allen-bradley-plc-5-0042-6841-control-board","provider":"Electronic PLC","version":"1.0","type":"link"}