{"product_id":"ge-wesdac-d20me-substation-controller","title":"GE WESDAC D20ME Substation Controller","description":"\u003cp\u003eThe \u003cstrong\u003eGE WESDAC D20ME\u003c\/strong\u003e, also cataloged as the \u003cstrong\u003eD20ME\u003c\/strong\u003e Versatile Substation Controller, operates as a dedicated hardware component for localized processing scaling and network medium conversion within WESDAC D20 system architectures.\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\u003eWESDAC D20ME\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eGE (General Electric)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOrigin\u003c\/td\u003e\n\u003ctd\u003eUnited States\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003eStandard 19\" Rack Component Weight Profile\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003eStandard 19\" rack mount configuration\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temp\u003c\/td\u003e\n\u003ctd\u003e0 - +55 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003eBase Power Supply Option Dependent\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Supply Inputs\u003c\/td\u003e\n\u003ctd\u003e20-60 VDC \/ 100-300 VDC \/ 85-264 VAC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCommunication Ports\u003c\/td\u003e\n\u003ctd\u003e7 RS-232\/485 serial, 1 RS-232 maintenance, 2 D.20 Link HDLC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMemory Subsystem\u003c\/td\u003e\n\u003ctd\u003e2 MB flash application, 1.5 MB SRAM, 512 KB NVRAM, 1 MB BootROM\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProtocols Supported\u003c\/td\u003e\n\u003ctd\u003ePROFIBUS DP, D.20 Link HDLC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInternal Diagnostics\u003c\/td\u003e\n\u003ctd\u003eProgram memory checksums, RAM tests, configuration verification\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVibration Tolerance\u003c\/td\u003e\n\u003ctd\u003e5 to 2000 Hz, peak acceleration 5 g\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eShock Resistance\u003c\/td\u003e\n\u003ctd\u003e10 g, half-sine wave, duration 11 ms\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Humidity\u003c\/td\u003e\n\u003ctd\u003e5% to 95% RH (non-condensing)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eProfinet \/ EtherNet\/IP Deterministic Networks and Firmware Flash Compatibility\u003c\/h3\u003e\n\u003cp\u003eThe substation controller processes multi-channel telemetry streams using its dedicated memory architecture, which distributes code execution among flash memory, SRAM, and non-volatile registers. The integration of 7 RS-232\/485 serial pathways with a high-speed PROFIBUS DP loop requires deterministic synchronization to maintain steady register polling. To guarantee data throughput when interfacing with auxiliary Profinet or EtherNet\/IP deterministic networks, all onboard execution code layers must strictly align with verified firmware flash compatibility matrices stored within the 1 MB BootROM sector.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: How do the internal memory diagnostics respond to a localized RAM or checksum fault?\u003c\/p\u003e\n\u003cp\u003eA: The embedded diagnostic loops continuously evaluate the 1.5 MB SRAM block and program memory checksum fields. If a verification bit fails, the controller flags an error register via the RS-232 maintenance interface and triggers a hardware-driven fail-safe loop state.\u003c\/p\u003e\n\u003cp\u003eQ: What are the backplane constraints concerning power supply module replacement on the D20ME module?\u003c\/p\u003e\n\u003cp\u003eA: The passive backplane does not accommodate hot-swap extraction under active electrical loading. System power fields (20-60 VDC or high-voltage lines) must be fully isolated before terminal change-outs to avoid transient voltage generation across the logic circuits.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e19\" Rack Mechanical Grounding:\u003c\/strong\u003e Install the module into a rigid, grounded 19\" rack structure, verifying that the front faceplate ears make solid metal-to-metal contact with the enclosure rails to minimize g-force vibration profiles.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSerial Comm Cable Shielding:\u003c\/strong\u003e Connect all RS-232\/485 multi-drop communication line shields to a single ground point at the panel entrance boundary to eliminate high-frequency common-mode noise.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eExternal Power Isolation:\u003c\/strong\u003e Route incoming primary power lines through an independent circuit breaker, keeping field signal wiring separate from universal AC or high-voltage DC distribution pathways inside the wire ducting tracks.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"General Electric","offers":[{"title":"Default Title","offer_id":53114930987317,"sku":"WESDAC D20ME","price":66.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0973\/7630\/5461\/files\/WESDACD20M_2_e537d619-6971-40b9-b5b5-ef8d49506aa9.png?v=1783677033","url":"https:\/\/www.5gplc.com\/products\/ge-wesdac-d20me-substation-controller","provider":"High Five PLC Solution Limited","version":"1.0","type":"link"}