{"product_id":"ge-517-0224-d20-m-ss-termination-panel","title":"GE 517-0224 D20 M+SS Termination Panel","description":"\u003cp\u003eConfigured for field signal termination and circuit protection in D20 and D200 substation control networks, the \u003cstrong\u003eGE 517-0224\u003c\/strong\u003e (\u003cstrong\u003eD20 M+SS\u003c\/strong\u003e Termination Panel) provides direct physical\/electrical execution. The unit routes field wiring connections directly to and from the primary D20 M+SS control module, establishing an organized terminal interface that enables module maintenance without disconnecting field conductors.\u003c\/p\u003e\n\u003ch3\u003eHardware Specifications\u003c\/h3\u003e\n\u003cfigure class=\"table\"\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\u003e517-0224\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eGE\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOrigin\u003c\/td\u003e\n\u003ctd\u003eUSA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temp\u003c\/td\u003e\n\u003ctd\u003e-20 to +70 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003ePassive Enclosure (0 W Base Draw)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWiring Interface\u003c\/td\u003e\n\u003ctd\u003eScrew Terminal Blocks\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProtective Component\u003c\/td\u003e\n\u003ctd\u003eIntegrated Protection Diodes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSystem Compatibility\u003c\/td\u003e\n\u003ctd\u003eGE D20 \/ D200 Substation Automation Controllers\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDedicated Module\u003c\/td\u003e\n\u003ctd\u003eGE D20 M+SS Control Module\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eI\/O Density Scaling and Protection Diode Routing\u003c\/h3\u003e\n\u003cp\u003eThe 517-0224 panel manages I\/O density scaling while isolating primary processing hardware from high-voltage field transients. Integrated protection diodes suppress reverse polarity and inductive flyback voltages generated during field contact switching. This decoupling structure prevents noise coupling across backplane bus communication channels, preserving deterministic data transmission and firmware flash compatibility across the D20 substation automation architecture.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: What specific protection do the integrated diodes provide on the 517-0224 panel?\u003c\/p\u003e\n\u003cp\u003eA: The protection diodes block reverse voltage spikes and inductive surge currents coming from field devices, preventing electrical transients from reaching and damaging the main D20 M+SS module.\u003c\/p\u003e\n\u003cp\u003eQ: Can a failed D20 M+SS module be replaced without disconnecting field wiring?\u003c\/p\u003e\n\u003cp\u003eA: Yes. Field wiring remains permanently landed on the screw terminal blocks of the 517-0224 termination panel, allowing the active module to be unseated and swapped out without disturbing the field harness.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003col\u003e\n\u003cli\u003eEnsure all field power sources routed to the termination panel are fully isolated and de-energized before mounting or wiring.\u003c\/li\u003e\n\u003cli\u003eSecure the 517-0224 panel inside the control enclosure using appropriate mounting hardware, verifying rigid mechanical mounting.\u003c\/li\u003e\n\u003cli\u003eStrip field conductor ends to approximately 6 mm to 8 mm and insert them into the terminal block positions, tightening screws to specified torque limits to avoid high contact resistance.\u003c\/li\u003e\n\u003cli\u003eVerify DC voltage polarity across terminals to ensure field current aligns correctly with the forward-bias direction of the internal protection diodes.\u003c\/li\u003e\n\u003cli\u003eConnect cabinet structural grounding to Earth with a low-impedance conductor (less than 0.1 ohms) to ensure transient suppression paths function properly.\u003c\/li\u003e\n\u003c\/ol\u003e","brand":"General Electric","offers":[{"title":"Default Title","offer_id":53271311384885,"sku":"517-0224","price":66.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0973\/7630\/5461\/files\/517-0224.png?v=1786497135","url":"https:\/\/www.5gplc.com\/products\/ge-517-0224-d20-m-ss-termination-panel","provider":"High Five PLC Solution Limited","version":"1.0","type":"link"}