{"product_id":"ge-d20-m-ss-substation-controller","title":"GE D20 M+SS Substation Controller","description":"\u003cp\u003eThe \u003cstrong\u003eGE Digital Energy D20 M+SS\u003c\/strong\u003e, also cataloged as the \u003cstrong\u003eD20 M+SS\u003c\/strong\u003e Substation Controller, operates as a dedicated hardware component for data processing and automation algorithm execution within power substation networks.\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\u003eD20 M+SS\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eGE Digital Energy (General Electric)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSeries\u003c\/td\u003e\n\u003ctd\u003eD20 \/ WESDAC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOrigin\u003c\/td\u003e\n\u003ctd\u003eUnited States (US)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003eConfiguration dependent (Varies based on card layout and module population)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003e19\" wide x 5.25\" high x 8.1\" deep (Standard rack-mount format)\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 (-4 to +158 deg F) standard substation envelope\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003eInput options: 20-60 VDC, 100-300 VDC, or 85-264 VAC options\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCPU Architecture\u003c\/td\u003e\n\u003ctd\u003e32-bit microprocessor (D20ME II CPU Board execution core)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFlash Memory\u003c\/td\u003e\n\u003ctd\u003e2 MB flash application memory\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSRAM\u003c\/td\u003e\n\u003ctd\u003e1.5 MB static random-access memory (volatile)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNVRAM\u003c\/td\u003e\n\u003ctd\u003e512 KB non-volatile random-access memory\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBootROM\u003c\/td\u003e\n\u003ctd\u003e1 MB integrated boot read-only memory\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePhysical Interfaces\u003c\/td\u003e\n\u003ctd\u003eMultiple RS-232\/485 serial communication ports, Ethernet connectivity\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eI\/O Module Capacity\u003c\/td\u003e\n\u003ctd\u003eSupports scaling up to a maximum of 120 distributed D20 I\/O modules\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eGE Digital Energy Industrial Control and Network Optimization\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBackplane Bus Communication Velocity Licences:\u003c\/strong\u003e The integrated 32-bit D20ME II CPU board drives high-speed parallel scanning across internal chassis lanes. It acts as a real-time data concentrator, capturing field signals from up to 120 remote digital, analog, or relay I\/O boards, compiling them into a local system database within predictable, sub-millisecond execution loops.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProfinet \/ EtherNet\/IP Deterministic Networks:\u003c\/strong\u003e Outfitted with dedicated serial and Ethernet ports, the processor handles rapid protocol mapping routines. It parses raw asynchronous serial bytes (RS-232\/485) and routes them into deterministic network streams, serving timestamped event records and substation telemetry data straight to up to date host computers.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: What precise diagnostic steps occur when the D20 M+SS detects a data corruption event in its database?\u003c\/p\u003e\n\u003cp\u003eA: The 32-bit processing core validates memory integrity continuously by evaluating hardware-level checksum profiles across the 1.5 MB SRAM and 512 KB NVRAM blocks. If a data integrity error or parity mismatch manifests, the CPU triggers a system fault flag, updates the internal system log database, and switches the module over to the standby controller card if redundant configurations are physically implemented.\u003c\/p\u003e\n\u003cp\u003eQ: Can single I\/O modules connected to the peripheral bus lines be live hot-swapped while the primary D20 chassis is running?\u003c\/p\u003e\n\u003cp\u003eA: No. While the D20 network layout supports wide scaling up to 120 modules, the inter-module power rails and serial data cables lack localized isolation switches. Breaking or establishing terminal connections while the module bus lines are actively energized can distort data packets, damage the high-speed transceiver circuitry, or drop critical substation telemetry scans.\u003c\/p\u003e","brand":"General Electric","offers":[{"title":"Default Title","offer_id":47894165946558,"sku":"D20 M+SS","price":100.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0725\/1145\/5422\/files\/screenshot_2026-06-29_16-07-28_b0de79c0-4dc9-41e0-a0b5-46ededaa3883.png?v=1782722922","url":"https:\/\/www.autooiltech.com\/ar\/products\/ge-d20-m-ss-substation-controller","provider":"AutoOilTech Limited","version":"1.0","type":"link"}