{"product_id":"ge-is220pdoah1b-is230snrlh2a-discrete-output-module","title":"GE IS220PDOAH1B（IS230SNRLH2A) Discrete Output Module","description":"\u003cp\u003eThe \u003cstrong\u003eGE IS220PDOAH1B\u003c\/strong\u003e, also cataloged as the \u003cstrong\u003eIS220PDOAH1B\u003c\/strong\u003e Discrete Output Pack, operates as a dedicated hardware component for binary control command execution and relay driving within Mark VIe control systems. This intelligent I\/O pack plugs straight into a matching terminal board, processing logic commands over redundant Ethernet links to command up to 12 electromechanical or solid-state relays while integrating localized coil feedback monitoring tracks.\u003c\/p\u003e\n\u003ch3\u003eSuffix Breakdown \u0026amp; Model Matrix\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eGE IS220PDOAH1B (Discrete Output Pack):\u003c\/strong\u003e Identifies the standalone active electronic processor pack. It contains the standardized common processing board layer, a specialized discrete output acquisition board, dual RJ45 network interfaces, an infrared diagnostic link, and a 3-pin soft-start power connection.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGE IS230SNRLH2A (Full Functional Kit):\u003c\/strong\u003e Represents the paired system kit configuration. This combination bundles the active \u003cstrong\u003eIS220PDOAH1B\u003c\/strong\u003e discrete output pack with its corresponding simplex relay terminal board layout (\u003cstrong\u003eIS200TRLYH1B\u003c\/strong\u003e or similar) to establish a unified terminal junction node.\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\u003eIS220PDOAH1B \/ IS230SNRLH2A\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 (USA)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003e8.26 cm High x 4.19 cm Wide x 12.1 cm Deep\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCircuit Technology\u003c\/td\u003e\n\u003ctd\u003eSurface-mount technology (SMT) component layout\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Type\u003c\/td\u003e\n\u003ctd\u003eDiscrete Output Pack (I\/O Module)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRelay Driver Capacity\u003c\/td\u003e\n\u003ctd\u003eControls up to 12 relay channels total\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRelay\/Coil Monitoring\u003c\/td\u003e\n\u003ctd\u003e15 localized pack feedback diagnostic inputs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNetwork Interfaces\u003c\/td\u003e\n\u003ctd\u003eDual RJ45 Ethernet connectors for redundant network linking\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Input\u003c\/td\u003e\n\u003ctd\u003e3-pin dedicated connector with built-in soft-start limits\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInterface Plug\u003c\/td\u003e\n\u003ctd\u003eDC-37 pin male connector for terminal board mating\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTerminal Board Compatibility\u003c\/td\u003e\n\u003ctd\u003eElectromagnetic Relays: TRLYH1B, C, D, F; Solid-State Relays: TRLYH1E\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRedundancy Layouts\u003c\/td\u003e\n\u003ctd\u003eSimplex and Triple Modular Redundancy (TMR) configurations\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDiagnostics\u003c\/td\u003e\n\u003ctd\u003eFront-panel status indicator LEDs and local infrared (IR) serial port\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eIndustrial Control and DCS Metrics\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBackplane Bus Communication Velocity and Processing Matrix:\u003c\/strong\u003e The internal processing architecture decodes serialized binary commands received via the dual RJ45 Ethernet ports and routes them straight to the DC-37 pin output port. This communication path eliminates software execution bottlenecks, delivering high-velocity output transitions to the terminal relay coils within targeted system scan windows.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eI\/O Density Scaling and Feedback Integration:\u003c\/strong\u003e The module integrates 15 dedicated internal inputs configured to monitor the physical status of the 12 driven relays and their respective coil states. This diagnostic scaling loop provides real-time verification of circuit continuity and contact position, flagging an internal diagnostic register if a mechanical relay fails to commute following a control command.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: How does the module handle output execution when configured in a Triple Modular Redundant (TMR) setup?\u003c\/p\u003e\n\u003cp\u003eA: In a TMR setup, three separate \u003cstrong\u003eIS220PDOAH1B\u003c\/strong\u003e packs plug into a single terminal board. The underlying terminal board circuitry uses a hardware-based voting matrix (typically a 2-out-of-3 coil arrangement) to combine the three independent command streams, ensuring continuous, fault-tolerant execution even if one module fails.\u003c\/p\u003e\n\u003cp\u003eQ: Is it necessary to de-energize the main power feed cable before hot-plugging the 3-pin power connector?\u003c\/p\u003e\n\u003cp\u003eA: No. The hardware incorporates a dedicated soft-start circuit on the power rail. This layout automatically regulates and limits initial current inrush spikes upon insertion, allowing maintenance technicians to complete live hot-plug replacements safely without interrupting parallel rack components.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eChassis Layout Alignment, Clearance Constraints, and Mechanical Seating:\u003c\/strong\u003e Insert the module's DC-37 pin plug square into the matching receptacle on the pre-mounted terminal board. Secure the pack firmly using the threaded studs located adjacent to the Ethernet ports, and adjust the structural mounting bracket to eliminate any right-angle forces that could strain the DC-37 pin interfaces.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConductor Separation, Wireway Constraints, and Shield Grounding:\u003c\/strong\u003e Route all incoming dual Ethernet communication lines and power connections inside low-potential panel wireways kept physically isolated from high-voltage AC relay load lines. Ensure that all external field cabling shields are terminated at a separate panel ground bracket to prevent high-frequency noise from interfering with the surface-mount logic boards.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"General Electric","offers":[{"title":"Default Title","offer_id":47904043040958,"sku":"IS220PDOAH1B（IS230SNRLH2A)","price":100.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0725\/1145\/5422\/files\/screenshot_2026-07-02_11-15-33_e86c62a8-a2c8-4a7c-936e-1d6a7a107a62.png?v=1782973220","url":"https:\/\/www.autooiltech.com\/products\/ge-is220pdoah1b-is230snrlh2a-discrete-output-module","provider":"AutoOilTech Limited","version":"1.0","type":"link"}