{"product_id":"ge-ds200dtbag1a-mark-v-lm-digital-contact-terminal-board","title":"GE DS200DTBAG1A Mark V LM Digital Contact Terminal Board","description":"\u003cp\u003eThe \u003cstrong\u003eGE DS200DTBAG1A\u003c\/strong\u003e, also cataloged as the \u003cstrong\u003eDS200DTBA\u003c\/strong\u003e Digital Contact Terminal Board, operates as a dedicated hardware component for contact input signal termination and optical isolation interface within Mark V LM Turbine Control System platforms.\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\u003eDS200DTBAG1A\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\u003eUSA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003eStandard PCB footprint\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003eStandard Mark V card slot size\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\u003e125 VDC \/ 24 VDC excitation power driven\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFunctional Acronym\u003c\/td\u003e\n\u003ctd\u003eDTBA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Type\u003c\/td\u003e\n\u003ctd\u003eDigital Contact Terminal Board\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSignal Capacity\u003c\/td\u003e\n\u003ctd\u003eFirst 46 contact inputs in digital core connected to TCDA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInstallation Slots\u003c\/td\u003e\n\u003ctd\u003eCore locations Q11, Q21, and Q51\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eExcitation Voltage\u003c\/td\u003e\n\u003ctd\u003e125 VDC or 24 VDC options via TB2 terminal board\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInterrogation Isolation\u003c\/td\u003e\n\u003ctd\u003eHardware jumpers for 8-contact input groupings\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSequence of Events (SOE)\u003c\/td\u003e\n\u003ctd\u003e1 ms timestamp resolution via TCDA CPU\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Interfacing\u003c\/td\u003e\n\u003ctd\u003eConnector JY receives 125 VDC from DTBA board\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFunctional Revision\u003c\/td\u003e\n\u003ctd\u003eGroup 1, Revision A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eBackplane Bus Communication Velocity \u0026amp; I\/O Density Scaling\u003c\/h3\u003e\n\u003cp\u003eThe DS200DTBAG1A maximizes digital I\/O density scaling by routing field contact inputs to the TCDA board across designated core locations (Q11, Q21, and Q51). Digital state transitions are processed with optical isolation on the TCDA card, where the onboard CPU executes time-stamping within 1 millisecond of status changes to ensure high-velocity backplane bus communication velocity and accurate event sequencing. Hardware jumpers arranged in eight-contact input groupings provide complete isolation of field grounds, maintaining operational integrity and full firmware flash compatibility across Mark V LM controller platforms.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: How is the interrogation voltage isolated to resolve field ground faults on the DTBA board?\u003c\/p\u003e\n\u003cp\u003eA: Interrogation voltage (125 VDC or 24 VDC) can be cut off, allowing hardware jumpers configured in eight-contact input groupings on the DTBA board to isolate field grounds.\u003c\/p\u003e\n\u003cp\u003eQ: What is the sequence of events (SOE) resolution for contact input state changes through this board?\u003c\/p\u003e\n\u003cp\u003eA: Contact inputs are optically isolated on the connected TCDA board, where the CPU assigns a precise time stamp within 1 millisecond of any input status change.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003col\u003e\n\u003cli\u003eDe-energize all primary controller power supply feeds and contact input interrogation voltage lines prior to opening the cabinet.\u003c\/li\u003e\n\u003cli\u003eVerify zero-energy state across all screw terminals on the DTBA board using a calibrated multi-meter.\u003c\/li\u003e\n\u003cli\u003eWear a grounded ESD wrist strap throughout installation to prevent electrostatic damage to onboard solid-state components.\u003c\/li\u003e\n\u003cli\u003eEnsure all adjustments to isolation jumpers arranged in eight-contact groupings are completed strictly while the turbine is fully shut down and not in operation.\u003c\/li\u003e\n\u003cli\u003eConfirm multi-pin cable connections (including 125 VDC power header JY) are fully locked and key-aligned before re-energizing the Mark V LM system.\u003c\/li\u003e\n\u003c\/ol\u003e","brand":"General Electric","offers":[{"title":"Default Title","offer_id":43913288843354,"sku":"DS200DTBAG1A","price":99.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0710\/5957\/0778\/files\/DS200DTBAG1AAA.jpg?v=1787713604","url":"https:\/\/www.spareoil.com\/products\/ge-ds200dtbag1a-mark-v-lm-digital-contact-terminal-board","provider":"SpareOil Automation","version":"1.0","type":"link"}