{"product_id":"ge-ds200dtbbg1a-digital-input-output-terminal-board","title":"GE DS200DTBBG1A Digital Input\/Output Terminal Board","description":"\u003ch2\u003eGE DS200DTBBG1A Digital Input\/Output Terminal Board\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eGE DS200DTBBG1A\u003c\/strong\u003e, also cataloged as the \u003cstrong\u003eDS200DTBB\u003c\/strong\u003e Digital Input\/Output Terminal Board, operates as a dedicated hardware component for organizing, isolating, and routing discrete field signals within GE Mark V and Mark VIe turbine control platforms. It provides direct physical termination between field devices and the system controllers while offering onboard circuit conditioning and surge protection across all processing paths.\u003c\/p\u003e\n\u003ch3\u003eSuffix Breakdown \u0026amp; Model Matrix\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDS200\u003c\/strong\u003e: Standard board designator for GE Speedtronic control hardware, denoting panel-mount board construction.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDTBB\u003c\/strong\u003e: Specific base circuit topology indicating high-density digital terminal board layout.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eG1\u003c\/strong\u003e: Group classification indicating specific functional revision, voltage rating, and onboard component configuration.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eA\u003c\/strong\u003e: First functional revision level designating hardware update iterations.\u003c\/li\u003e\n\u003c\/ul\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\u003eDS200DTBBG1A\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\u003e0.8 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003e320 x 200 x 40 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temp\u003c\/td\u003e\n\u003ctd\u003e-30 to +65 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003e12 W maximum\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Channels\u003c\/td\u003e\n\u003ctd\u003e32 discrete digital inputs (24 VDC, sink\/source selectable)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput Channels\u003c\/td\u003e\n\u003ctd\u003e32 discrete digital outputs (24 VDC, 0.5 A per channel max)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Voltage Range\u003c\/td\u003e\n\u003ctd\u003e18 to 32 VDC (24 VDC nominal)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Current Rating\u003c\/td\u003e\n\u003ctd\u003e8 mA maximum per input channel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSignal Isolation\u003c\/td\u003e\n\u003ctd\u003eOpto-isolated inputs; 1500 VAC channel-to-backplane isolation\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCircuit Protection\u003c\/td\u003e\n\u003ctd\u003eOver-voltage (up to 40 VDC), short-circuit, reverse polarity, ESD (15 kV contact)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSystem Interface\u003c\/td\u003e\n\u003ctd\u003e50-pin D-sub connectors, removable screw terminal blocks\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVisual Diagnostics\u003c\/td\u003e\n\u003ctd\u003e32 channel status LEDs (green), power LED (red), fault LED (amber)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eIndustrial Control \u0026amp; Bus Interface Architecture\u003c\/h3\u003e\n\u003cp\u003eThe board features precise backplane bus communication velocity and deterministic state response times necessary for critical speed control and turbine trip execution loops. Built with high I\/O density scaling capabilities, the board manages high-speed switching loops without signal attenuation. Integrated optical isolation barriers isolate external field transient spikes from backplane logic pathways. Onboard firmware flash compatibility ensures seamless real-time signal processing matching the primary controller scan rates.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: What are the isolation limits between the field terminal blocks and the backplane logic circuitry?\u003c\/p\u003e\n\u003cp\u003eA: The board provides opto-isolation on discrete input paths and maintains a 1500 VAC galvanic isolation barrier between field terminal wiring and the internal backplane bus interface.\u003c\/p\u003e\n\u003cp\u003eQ: Can the discrete output channels drive heavy inductive loads directly without external suppressor diodes?\u003c\/p\u003e\n\u003cp\u003eA: Internal clamping circuitry protects each output channel against voltage transients; however, external inductive loads above 0.5 A require external freewheeling flyback diodes across the load to prevent premature component fatigue.\u003c\/p\u003e\n\u003cp\u003eQ: How are field wiring connections configured to switch between sink and source modes?\u003c\/p\u003e\n\u003cp\u003eA: Input configuration is selected via hardwired terminal jumpers located on the board edge, routing the common reference rail to either 24 VDC positive or DC ground bus lines.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eMount the unit securely onto the terminal rack chassis using standard metal standoffs to establish a chassis earth reference point.\u003c\/li\u003e\n\u003cli\u003eEnsure all 24 VDC auxiliary power sources are de-energized prior to connecting or disconnecting terminal wiring or the 50-pin D-sub backplane cable.\u003c\/li\u003e\n\u003cli\u003eMaintain physical separation between high-voltage power lines and low-voltage digital I\/O lines; run signal conductors in independent, grounded steel conduits.\u003c\/li\u003e\n\u003cli\u003eTerminate shield drain wires at a single dedicated ground point near the cabinet entry gland to eliminate ground loops.\u003c\/li\u003e\n\u003cli\u003eVerify engagement of all screw terminal blocks, torquing terminal fasteners to a maximum of 0.5 Nm to prevent thread damage.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"General Electric","offers":[{"title":"Default Title","offer_id":44476812066904,"sku":"DS200DTBBG1A","price":100.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0670\/2039\/0488\/files\/DS200DTBBG1AAA.jpg?v=1785318399","url":"https:\/\/www.industriaxplc.com\/products\/ge-ds200dtbbg1a-digital-input-output-terminal-board","provider":"IndustriaX Limited","version":"1.0","type":"link"}