{"product_id":"is400tdbth2a-general-electric-mark-vie-discrete-terminal-board","title":"IS400TDBTH2A | General Electric | Mark VIe Discrete Terminal Board","description":"\u003ch3\u003eDescription\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003eIS400TDBTH2A\u003c\/strong\u003e is a discrete input\/output terminal board designed for the General Electric Mark VIe control system. This component serves as a robust interface for digital signals, facilitating the connection between field wiring and the I\/O processor modules. It accommodates multiple dry contact inputs and provides relay outputs to support comprehensive industrial automation control loops. Engineered for high reliability in demanding environments, the module functions efficiently within steam\/gas turbine control, power generation assets, and process plant applications, ensuring seamless system compatibility and signal integrity across the Mark VIe platform.\u003c\/p\u003e\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eProvides direct termination for external field wiring with secure screw clamp connections.\u003c\/li\u003e\n\u003cli\u003eSupports discrete contact inputs and integrated relay outputs on a single board footprint.\u003c\/li\u003e\n\u003cli\u003eImplements onboard optical isolation to protect internal control electronics from field-side voltage surges.\u003c\/li\u003e\n\u003cli\u003eFeatures diagnostic LEDs to deliver immediate visual status of relay coil states and input channels.\u003c\/li\u003e\n\u003cli\u003eDesigned for compact panel mounting with high-density channel layout to optimize enclosure space.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eApplications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eUtility and industrial gas turbine control systems.\u003c\/li\u003e\n\u003cli\u003eSteam turbine sequence control and safety interlocking.\u003c\/li\u003e\n\u003cli\u003eBalance of Plant (BOP) discrete device monitoring.\u003c\/li\u003e\n\u003cli\u003eEmergency shutdown (ESD) and critical interlock validation.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eTechnical 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\u003eManufacturer\u003c\/td\u003e\n\u003ctd\u003eGeneral Electric (GE)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCountry of Origin\u003c\/td\u003e\n\u003ctd\u003eUSA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Series\u003c\/td\u003e\n\u003ctd\u003eMark VIe Control System\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eModule Type\u003c\/td\u003e\n\u003ctd\u003eDiscrete Input\/Output Terminal Board\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNumber of Input Channels\u003c\/td\u003e\n\u003ctd\u003e24 Dry Contact Inputs (Typical for TDBT series)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNumber of Output Channels\u003c\/td\u003e\n\u003ctd\u003e12 Relay Outputs (Typical for TDBT series)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIsolation\u003c\/td\u003e\n\u003ctd\u003eOptical isolation on inputs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temperature\u003c\/td\u003e\n\u003ctd\u003e0 to +60 degC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStorage Temperature\u003c\/td\u003e\n\u003ctd\u003e-40 to +85 degC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRelative Humidity\u003c\/td\u003e\n\u003ctd\u003e5% to 95% non-condensing\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e1.15 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003e33.0 cm x 17.8 cm x 5.1 cm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eConnections\/Interfaces\u003c\/h3\u003e\n\u003cfigure class=\"table\"\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003eTerminal Block\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cstrong\u003eFunction\u003c\/strong\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eTB1\u003c\/td\u003e\n\u003ctd\u003eDiscrete Input Channels 1 through 12 and Common Return\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTB2\u003c\/td\u003e\n\u003ctd\u003eDiscrete Input Channels 13 through 24 and Common Return\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTB3\u003c\/td\u003e\n\u003ctd\u003eRelay Output Contacts 1 through 6 (NO\/NC\/Common)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTB4\u003c\/td\u003e\n\u003ctd\u003eRelay Output Contacts 7 through 12 (NO\/NC\/Common)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eJR1 \/ JZ1\u003c\/td\u003e\n\u003ctd\u003eRJ45 \/ Multi-pin connector interface to I\/O pack\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eInstallation Guidelines\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMounting:\u003c\/strong\u003e Securely mount the board vertically inside the enclosure using the designated standoff mounting holes or standard DIN rail hardware options.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGrounding:\u003c\/strong\u003e Ensure the chassis ground terminal is connected directly to the low-impedance master enclosure ground bus.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWiring:\u003c\/strong\u003e Route discrete AC\/DC field wiring separately from low-voltage network cables to mitigate electromagnetic interference (EMI).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIsolation Check:\u003c\/strong\u003e Verify all field dry contacts are completely unpowered before connecting to prevent damage to the internal optical couplers.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"General Electric","offers":[{"title":"Default Title","offer_id":52695421845867,"sku":"IS400TDBTH2A","price":100.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0953\/3227\/0443\/files\/general-electric-is400tdbth2a-static-sensitive-board-cxskc2nh4jc_d1738c48-a445-4c6e-b0ca-1578f47e2369.jpg?v=1766135447","url":"https:\/\/www.plcprotech.com\/products\/is400tdbth2a-general-electric-mark-vie-discrete-terminal-board","provider":"PLC ProTech Ltd.","version":"1.0","type":"link"}