{"product_id":"schneider-electric-990naa26320-connection-cordset","title":"Schneider Electric 990NAA26320 Connection Cordset","description":"\u003cp\u003eThe \u003cstrong\u003eSchneider Electric 990NAA26320\u003c\/strong\u003e, also cataloged as the \u003cstrong\u003e990NAA26320\u003c\/strong\u003e Connection Cordset, operates as a dedicated hardware component for RS232 point-to-point serial communication between a PC terminal and a Unity processor within Modicon Quantum and Premium automation platforms.\u003c\/p\u003e\n\u003ch3\u003eHardware Specifications\u003c\/h3\u003e\n\u003cfigure\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003eParameter\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cstrong\u003eSpecification\u003c\/strong\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel\u003c\/td\u003e\n\u003ctd\u003e990NAA26320\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eSchneider Electric\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOrigin\u003c\/td\u003e\n\u003ctd\u003eFrance\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNet Weight\u003c\/td\u003e\n\u003ctd\u003e0.3 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePackage Dimensions\u003c\/td\u003e\n\u003ctd\u003e25.0 cm x 19.0 cm x 3.0 cm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temp\u003c\/td\u003e\n\u003ctd\u003e0 to 60 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003ePassive (no external supply required)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAccessory Category\u003c\/td\u003e\n\u003ctd\u003eConnection accessories\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAccessory Type\u003c\/td\u003e\n\u003ctd\u003eConnecting cable\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCable Length\u003c\/td\u003e\n\u003ctd\u003e3.7 m\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eElectrical Connection PC Side\u003c\/td\u003e\n\u003ctd\u003e1x SUB-D 9 connector (RS232)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eElectrical Connection Processor Side\u003c\/td\u003e\n\u003ctd\u003e1x SUB-D 9 connector\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSystem Compatibility\u003c\/td\u003e\n\u003ctd\u003eModicon Premium, Modicon Quantum, Harmony HMI GTO\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProcessor Compatibility\u003c\/td\u003e\n\u003ctd\u003e140CPU31110, 140CPU43412A, 140CPU43412U, 140CPU53414A, 140CPU53414B\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eModicon Backplane \u0026amp; Communication Execution\u003c\/h3\u003e\n\u003cp\u003eThe 990NAA26320 cordset maintains point-to-point RS232 signal integrity during program upload, download, and online diagnostics across Modicon Quantum and Premium processor serial ports. Designed to operate alongside backplane bus communication velocity specifications, the physical connection avoids frame dropouts by maintaining stable pinout assignment and shielding against electromagnetic interference (EMI) typical in high-density I\/O cabinet environments.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: Does the 990NAA26320 cable require external power or driver installation?\u003c\/p\u003e\n\u003cp\u003eA: No. The cable is a passive RS232 physical media connection. Power is not drawn from the host PC or PLC, and communication parameters are dictated by the host PC serial port (COM port) settings and Unity Pro software configuration.\u003c\/p\u003e\n\u003cp\u003eQ: Can the 990NAA26320 be hot-plugged into an active Modicon Quantum CPU?\u003c\/p\u003e\n\u003cp\u003eA: Yes, inserting or removing the SUB-D 9 RS232 connector does not interrupt CPU backplane processing or execution of the control logic program. However, active online monitoring sessions will drop and must be re-established in the software environment.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCable Strain Relief\u003c\/strong\u003e: Ensure the SUB-D 9 mechanical locking screws are fully tightened to the serial port interface on both the processor and the programming device to prevent accidental disconnection or pin damage during field operation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShielding \u0026amp; Grounding\u003c\/strong\u003e: Route the 3.7 m cable away from high-voltage AC lines, variable frequency drives (VFDs), and heavy inductive loads to prevent data corruption during program transfers. Maintain proper enclosure bonding to industrial ground.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBend Radius Constraints\u003c\/strong\u003e: Observe a minimum cable bend radius of 50 mm during installation inside wiring ducts or conduit to prevent internal conductor fatigue and shield breakdown.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Schneider","offers":[{"title":"Default Title","offer_id":50023132365042,"sku":"990NAA26320","price":15.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0730\/5589\/5794\/files\/990NAA263202.jpg?v=1788508286","url":"https:\/\/www.petrospare.com\/products\/schneider-electric-990naa26320-connection-cordset","provider":"Petro Spare Industrial Limited","version":"1.0","type":"link"}