{"product_id":"is220pdioh1b-ge-speedtronic-mark-vie-i-o-module","title":"IS220PDIOH1B GE Speedtronic Mark VIe I\/O Module","description":"\u003ch3\u003e\u003cb\u003eGE IS220PDIOH1B | Mark VIe Discrete I\/O Pack\u003c\/b\u003e\u003c\/h3\u003e\n\n\u003cp\u003eThe \u003cstrong\u003eGE IS220PDIOH1B\u003c\/strong\u003e is a Discrete I\/O Pack used in the GE Speedtronic Mark VIe turbine control platform. It provides an interface between the control system and discrete field signals through a compatible terminal board assembly. The pack includes a local processor, data acquisition circuitry, and two Ethernet ports for integration with the Mark VIe control architecture.\u003c\/p\u003e\n\n\u003cp\u003eFor maintenance and retrofit work, correct terminal-board matching is essential. The supported terminal board determines the field wiring arrangement and the applicable signal connections. Confirm the full pack part number, terminal-board model, system configuration, and hazardous-area approval requirements before ordering or installation.\u003c\/p\u003e\n\n\u003ch3\u003e\u003cb\u003eHardware Profile\u003c\/b\u003e\u003c\/h3\u003e\n\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eItem\u003c\/th\u003e\n\u003cth\u003eSpecification\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\u003ePart Number\u003c\/td\u003e\n\u003ctd\u003eIS220PDIOH1B\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Type\u003c\/td\u003e\n\u003ctd\u003eDiscrete I\/O Pack\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eControl Platform\u003c\/td\u003e\n\u003ctd\u003eGE Speedtronic Mark VIe\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEthernet Interfaces\u003c\/td\u003e\n\u003ctd\u003e2 ports\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNominal Voltage Rating\u003c\/td\u003e\n\u003ctd\u003e28.0 V DC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMinimum Voltage Rating\u003c\/td\u003e\n\u003ctd\u003e27.4 V DC, as supplied\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eContact Voltage Outputs\u003c\/td\u003e\n\u003ctd\u003e32.0 V DC, as supplied; verify the applicable circuit specification\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAmbient Operating Temperature\u003c\/td\u003e\n\u003ctd\u003e-30°C to +65°C (-22°F to +149°F)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions (W × H × D)\u003c\/td\u003e\n\u003ctd\u003e4.5 × 3.5 × 2.25 in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eUnit Weight\u003c\/td\u003e\n\u003ctd\u003eLess than 2 lb\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eShipping Weight\u003c\/td\u003e\n\u003ctd\u003eApproximately 2.5 lb, as supplied\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eChassis Style\u003c\/td\u003e\n\u003ctd\u003eVented\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFront-Panel Indicators\u003c\/td\u003e\n\u003ctd\u003eEthernet status, power, ATTN, and additional relay-related LEDs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTerminal-Board Examples\u003c\/td\u003e\n\u003ctd\u003eISx0yTDBSH2A, ISx0yTDBSH8A, ISx0yTDBTH2A, ISx0yTDBTH8A; verify exact compatibility\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWarranty\u003c\/td\u003e\n\u003ctd\u003e12 months, subject to confirmed sales terms\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003cp\u003e\u003cem\u003eSpecification note: Values above are based on the supplied product information. Verify electrical limits, terminal assignments, and approved configurations against the applicable GE documentation before commissioning.\u003c\/em\u003e\u003c\/p\u003e\n\n\u003ch3\u003e\u003cb\u003eHow It Fits into the Mark VIe Architecture\u003c\/b\u003e\u003c\/h3\u003e\n\n\u003cp\u003eThe Mark VIe platform uses networked I\/O and supports simplex, dual, and triple-redundant control configurations, depending on the system design. The IS220PDIOH1B is used as part of the discrete signal interface in compatible turbine-control installations. The pack's two Ethernet ports, local processing, and acquisition circuitry support communication and signal handling within the control architecture.\u003c\/p\u003e\n\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDiscrete field-signal interface:\u003c\/strong\u003e Connects compatible field circuits through the specified terminal-board arrangement.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNetworked control integration:\u003c\/strong\u003e Provides Ethernet interfaces for use within the supported Mark VIe architecture.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eControl-system diagnostics:\u003c\/strong\u003e Front-panel indicators and system-level diagnostic tools help maintenance personnel investigate power, communication, and I\/O-related faults.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTerminal-board dependency:\u003c\/strong\u003e Wiring and signal availability depend on the selected accessory board and the approved configuration.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003e\u003cb\u003eApplication Areas\u003c\/b\u003e\u003c\/h3\u003e\n\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eEquipment or Facility\u003c\/th\u003e\n\u003cth\u003ePotential Application\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eGas turbine control systems\u003c\/td\u003e\n\u003ctd\u003eDiscrete I\/O interfacing within compatible GE Mark VIe Speedtronic installations.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSteam turbine control systems\u003c\/td\u003e\n\u003ctd\u003eSignal interfacing in supported turbine-control configurations.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower generation plants\u003c\/td\u003e\n\u003ctd\u003eMaintenance and lifecycle support for installed Mark VIe control hardware.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIndustrial turbine-driven equipment\u003c\/td\u003e\n\u003ctd\u003eControl-system signal handling where the original equipment design specifies this pack.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eExisting Mark VIe installations\u003c\/td\u003e\n\u003ctd\u003eReplacement of a failed or aging I\/O pack after part-number and terminal-board verification.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003cp\u003e\u003cstrong\u003eCompatibility is configuration-specific.\u003c\/strong\u003e Do not assume that the pack is suitable for every turbine or every Mark-series system. Confirm the control platform, terminal board, field circuit type, and required approval documentation before purchase.\u003c\/p\u003e\n\n\u003ch3\u003e\u003cb\u003eTerminal Boards and Field Wiring\u003c\/b\u003e\u003c\/h3\u003e\n\n\u003cp\u003eThe supplied information identifies several TDBS and TDBT terminal-board families as examples of associated hardware. These are not interchangeable by assumption. The exact terminal-board suffix and hardware revision should be checked against the installed system's documentation.\u003c\/p\u003e\n\n\u003cul\u003e\n\u003cli\u003eConfirm the full terminal-board part number before placing an order.\u003c\/li\u003e\n\u003cli\u003eCheck whether the installation uses the stated 24 field terminals associated with the specified TDBS or TDBT arrangements.\u003c\/li\u003e\n\u003cli\u003eFollow the approved wiring diagram for positive and negative terminals. The supplied information identifies positive terminals as contact-wetting inputs; verify the complete terminal mapping in the applicable drawing.\u003c\/li\u003e\n\u003cli\u003eUse the specified wire size, stripping method, and screw torque. Incorrect termination can cause intermittent signals, excess resistance, or terminal damage.\u003c\/li\u003e\n\u003cli\u003eFor hazardous-area applications, verify that the complete pack and terminal-board combination has the required approval for the intended location. Do not infer certification from the pack number alone.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003e\u003cb\u003eField Diagnostics: A Practical Fault-Isolation Sequence\u003c\/b\u003e\u003c\/h3\u003e\n\n\u003cp\u003eThe IS220PDIOH1B has front-panel status indicators, but the meaning of each indicator and the diagnostic messages available depend on the installed hardware and Mark VIe configuration. Use the system's supported ControlST tools and the applicable GE documentation to interpret faults.\u003c\/p\u003e\n\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eSymptom\u003c\/th\u003e\n\u003cth\u003eChecks for Maintenance Personnel\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eNo power indication\u003c\/td\u003e\n\u003ctd\u003eMeasure the supply at the designated points, check the supply wiring and protection devices, and inspect connector seating. Compare the measured voltage with the approved hardware specification.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEthernet communication fault\u003c\/td\u003e\n\u003ctd\u003eInspect both network connections, cable condition, switch-port status, and network configuration. Review system diagnostics to determine whether the fault is local or network-wide.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDiscrete signal does not change state\u003c\/td\u003e\n\u003ctd\u003eCheck the field device, terminal-board wiring, common connections, signal polarity, and the expected input or output behavior. Compare the observed state with the controller's diagnostic view.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIntermittent field signals\u003c\/td\u003e\n\u003ctd\u003eInspect terminal torque, conductor condition, grounding and noise sources, supply stability, and event timestamps. Look for correlation with vibration, temperature, or switching activity.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePack fault or ATTN indication\u003c\/td\u003e\n\u003ctd\u003eRecord the LED state and associated alarm message. Review ControlST or the installed system's diagnostic interface before reseating or replacing hardware.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFault persists after replacement\u003c\/td\u003e\n\u003ctd\u003eRecheck terminal-board compatibility, wiring, controller configuration, network connections, and the replacement part number. A persistent alarm may originate outside the I\/O pack.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003cp\u003e\u003cstrong\u003eMaintenance recommendation:\u003c\/strong\u003e Save the alarm history and record the original LED states before removing the installed unit. This helps distinguish a hardware failure from a field wiring, network, configuration, or external-device problem. Perform work under the site's approved isolation and turbine-maintenance procedures.\u003c\/p\u003e\n\n\u003ch3\u003e\u003cb\u003eGlobal PLC Spare HUB Review\u003c\/b\u003e\u003c\/h3\u003e\n\n\u003cp\u003eFor the GE IS220PDIOH1B, successful replacement depends on more than matching the product family. The pack must be suitable for the installed Mark VIe configuration, and the associated terminal board must match the field wiring and approval requirements.\u003c\/p\u003e\n\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBefore purchase:\u003c\/strong\u003e Compare the complete part number and revision with the existing unit's label.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBefore installation:\u003c\/strong\u003e Confirm the terminal-board model, wiring diagram, supply requirements, and network connections.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDuring troubleshooting:\u003c\/strong\u003e Record power and Ethernet LED states alongside the system alarm history. Avoid replacing the pack based on a single symptom.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFor critical equipment:\u003c\/strong\u003e Confirm stock status, condition, warranty coverage, and delivery timing early enough to support the planned maintenance window.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eGE Mark VIe electronics have a long installed base, and some components may be difficult to source as systems age. The supplied product information notes that the electronics technology is obsolete; confirm current product status and sourcing details with the supplier before planning a retrofit or long-term maintenance strategy.\u003c\/p\u003e\n\n\u003ch3\u003e\u003cb\u003eSupply, Warranty and Delivery\u003c\/b\u003e\u003c\/h3\u003e\n\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct:\u003c\/strong\u003e GE Speedtronic Mark VIe Discrete I\/O Pack\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e IS220PDIOH1B\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCondition:\u003c\/strong\u003e New and original factory packing, subject to stock confirmation\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 12 months, subject to confirmed sales terms\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShipping Options:\u003c\/strong\u003e FedEx, UPS, and DHL\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAvailability:\u003c\/strong\u003e Contact Global PLC Spare HUB to confirm stock, lead time, and shipping arrangements.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003e\u003cb\u003eFrequently Asked Questions\u003c\/b\u003e\u003c\/h3\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ1: How can I confirm whether the IS220PDIOH1B is suitable for my existing turbine controller?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Check the installed pack's full part number, the Mark VIe system configuration, the terminal-board model, and the hardware documentation. If possible, provide photos of the nameplates and the associated terminal board when requesting a compatibility check.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ2: Can I replace the I\/O pack and keep the existing terminal board and wiring?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Only after confirming that the existing terminal board is approved for use with the replacement pack and matches the required signal configuration. Verify terminal assignments, wiring condition, and any hardware-revision requirements before reconnecting field circuits.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ3: What information should I collect when an Ethernet LED or ATTN indicator shows a fault?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Record the exact LED state, controller alarm text, event timestamp, network-port status, and whether other I\/O packs are affected. This information helps determine whether the issue is isolated to the pack or relates to network infrastructure, system configuration, or power supply.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ4: Is the IS220PDIOH1B automatically approved for hazardous locations?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e No. The supplied information states that certain pack and terminal-board combinations are approved for hazardous locations. Confirm the exact combination, certification documentation, installation method, and site classification before use in a hazardous area.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ5: What should I verify when buying a replacement for an obsolete Mark VIe installation?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Confirm the full part number and revision, terminal-board compatibility, product condition, available documentation, warranty terms, stock status, and expected delivery date. For a scheduled outage, also verify whether the installed control configuration requires additional commissioning or post-replacement checks.\u003c\/p\u003e","brand":"GE","offers":[{"title":"Default Title","offer_id":67819439784118,"sku":"IS220PDIOH1B","price":106.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0722\/7863\/8774\/files\/IS220PDIOH1B-1.jpg?v=1793068921","url":"https:\/\/www.plcsparehub.com\/es\/products\/is220pdioh1b-ge-speedtronic-mark-vie-i-o-module","provider":"Global PLC Spare Hub","version":"1.0","type":"link"}