{"product_id":"is220paich1b-general-electric-paic-distributed-i-o-module-quote","title":"IS220PAICH1B General Electric PAIC Distributed I\/O Module Quote","description":"\u003ch3\u003e\u003cstrong\u003e\u003cspan style=\"color: #0056b3;\"\u003eIS220PAICH1B\u003c\/span\u003e General Electric \u003cspan style=\"color: #0056b3;\"\u003eMark VIe\u003c\/span\u003e Analog I\/O Pack\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003e\u003cspan style=\"color: #0056b3;\"\u003eIS220PAICH1B\u003c\/span\u003e\u003c\/strong\u003e is a distributed Analog Input\/Output pack manufactured in the USA by \u003cstrong\u003eGeneral Electric\u003c\/strong\u003e for the \u003cstrong\u003eMark VIe\u003c\/strong\u003e turbine and process control architecture. Serving as the deterministic electrical interface between redundant I\/O Ethernet networks and field analog terminal boards, it pairs a shared Mark VIe processor board with a dedicated 12-channel analog acquisition board.\u003c\/p\u003e\n\u003cp\u003eDesigned for Simplex, Dual, and Triple Modular Redundant (TMR) configurations, this B-revision pack supports \u003cstrong\u003eAuto-Reconfiguration\u003c\/strong\u003e, conformal PCB protection, and hazardous location deployment under ATEX Zone 2 and UL standards.\u003c\/p\u003e\n\n\u003ch3\u003e\u003cstrong\u003ePart Number Decoding \u0026amp; Hardware Revision Tree\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAssembly Series (\u003cspan style=\"color: #0056b3;\"\u003eIS220\u003c\/span\u003e):\u003c\/strong\u003e General Electric Mark VIe Distributed I\/O Pack Platform (USA Manufacture)\n    \u003cul\u003e\n      \u003cli\u003e\n\u003cstrong\u003eFunctional Acronym (\u003cspan style=\"color: #0056b3;\"\u003ePAIC\u003c\/span\u003e):\u003c\/strong\u003e Analog Input\/Output Pack (10 Analog Inputs, 2 Analog Outputs)\u003c\/li\u003e\n      \u003cli\u003e\n\u003cstrong\u003eConformal Coating \u0026amp; Group (\u003cspan style=\"color: #0056b3;\"\u003eH1\u003c\/span\u003e):\u003c\/strong\u003e Conformal-coated PCB assembly; Group 1 hardware architecture\u003c\/li\u003e\n      \u003cli\u003e\n\u003cstrong\u003eFunctional Revision (\u003cspan style=\"color: #0056b3;\"\u003eB\u003c\/span\u003e):\u003c\/strong\u003e Second-generation B-rated hardware revision (minimum 22.5 VDC operating threshold)\u003c\/li\u003e\n    \u003c\/ul\u003e\n  \u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003e\u003cstrong\u003eTechnical Specifications \u0026amp; Signal Architecture\u003c\/strong\u003e\u003c\/h3\u003e\n\u003ctable\u003e\n  \u003cthead\u003e\n    \u003ctr\u003e\n      \u003cth\u003e\u003cstrong\u003eSubsystem\u003c\/strong\u003e\u003c\/th\u003e\n      \u003cth\u003e\u003cstrong\u003eParameter\u003c\/strong\u003e\u003c\/th\u003e\n      \u003cth\u003e\u003cstrong\u003eVerified Engineering Specification\u003c\/strong\u003e\u003c\/th\u003e\n    \u003c\/tr\u003e\n  \u003c\/thead\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n      \u003ctd\u003e\u003cstrong\u003eIdentification\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd\u003eManufacturer \u0026amp; Part No.\u003c\/td\u003e\n      \u003ctd\u003e\n\u003cstrong\u003eGeneral Electric \u003cspan style=\"color: #0056b3;\"\u003eIS220PAICH1B\u003c\/span\u003e\u003c\/strong\u003e (\u003cstrong\u003e\u003cspan style=\"color: #0056b3;\"\u003eMark VIe Series\u003c\/span\u003e\u003c\/strong\u003e)\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003e\u003cstrong\u003eChannel Capacity\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd\u003eTotal I\/O Allocation\u003c\/td\u003e\n      \u003ctd\u003e\n\u003cstrong\u003e12 channels per terminal board\u003c\/strong\u003e (10 Analog Inputs, 2 Analog Outputs)\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003e\u003cstrong\u003eAnalog Input Spans\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd\u003eChannels 1–8 vs. 9–10\u003c\/td\u003e\n      \u003ctd\u003eCh 1–8: \u003cstrong\u003e1–5 VDC, ±5 VDC, ±10 VDC, or 0–20 mA\u003c\/strong\u003e; Ch 9–10: \u003cstrong\u003e0–20 mA or ±1 mA\u003c\/strong\u003e\n\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003e\u003cstrong\u003eInput Conversion\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd\u003eADC Resolution \u0026amp; Burden\u003c\/td\u003e\n      \u003ctd\u003e\n\u003cstrong\u003e16-bit ADC\u003c\/strong\u003e; senses voltage across \u003cstrong\u003e250 Ω burden resistors\u003c\/strong\u003e on terminal board (5 V @ 20 mA)\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003e\u003cstrong\u003eAnalog Outputs\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd\u003eCurrent Loop \u0026amp; DAC\u003c\/td\u003e\n      \u003ctd\u003eTwo \u003cstrong\u003e0–20 mA\u003c\/strong\u003e outputs (18 V compliance, \u003cstrong\u003e14-bit DAC\u003c\/strong\u003e) with mechanical suicide isolation relays\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003e\u003cstrong\u003eScan \u0026amp; Protection\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd\u003eFrame Rate \u0026amp; Stall Logic\u003c\/td\u003e\n      \u003ctd\u003e\n\u003cstrong\u003e5 ms normal scan (200 Hz)\u003c\/strong\u003e; 100 Hz max controller frame rate; compressor stall detection ≤ 30 s\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003e\u003cstrong\u003ePower \u0026amp; Interfaces\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd\u003eSupply, Ethernet \u0026amp; Backplane\u003c\/td\u003e\n      \u003ctd\u003e\n\u003cstrong\u003e22.5 VDC min\u003c\/strong\u003e (24\/28 VDC nominal, 3-pin); \u003cstrong\u003e5.3 W typical \/ 6.2 W max\u003c\/strong\u003e; Dual RJ45 Ethernet; DC-37 pin\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003e\u003cstrong\u003eCompatible Boards\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd\u003eSupported Terminal Boards\u003c\/td\u003e\n      \u003ctd\u003e\n\u003cstrong\u003eIS200TBAIH1C\u003c\/strong\u003e (min. 22 AWG barrier wiring), \u003cstrong\u003eIS200TAIH1A\u003c\/strong\u003e, and \u003cstrong\u003eIS200TAIH2A\u003c\/strong\u003e\n\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003e\u003cstrong\u003eEnvironment \u0026amp; Certs\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd\u003eTemp \u0026amp; Hazardous Ratings\u003c\/td\u003e\n      \u003ctd\u003e\n\u003cstrong\u003e-40°F to 158°F (-40°C to 70°C)\u003c\/strong\u003e; \u003cstrong\u003eATEX Zone 2 Group IIC\u003c\/strong\u003e (EN 60079); \u003cstrong\u003eUL E207685\u003c\/strong\u003e\n\u003c\/td\u003e\n    \u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003e\u003cstrong\u003eDiagnostic Alarms \u0026amp; Field Replacement Protocol\u003c\/strong\u003e\u003c\/h3\u003e\n\u003col\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePre-Swap Verification:\u003c\/strong\u003e Confirm the replacement pack carries the exact \u003cstrong\u003eB-rated functional revision\u003c\/strong\u003e and verify 24\/28 VDC bus voltage stays above the \u003cstrong\u003e22.5 VDC\u003c\/strong\u003e minimum threshold.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDC-37 \u0026amp; RJ45 Connection:\u003c\/strong\u003e Seat the DC-37 connector firmly onto the IS200 terminal board header, tighten jackscrews, and connect dual RJ45 I\/O Ethernet cables.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAuto-Reconfiguration Execution:\u003c\/strong\u003e Allow the soft-start circuit to sequence local power rails; the Mark VIe controller automatically downloads bootload, baseload, firmware, and parameters.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAlarm Code Monitoring:\u003c\/strong\u003e Check ToolboxST diagnostics for \u003cstrong\u003eAlarm 66-67\u003c\/strong\u003e (individual output current imbalance) or \u003cstrong\u003eAlarm 82-83\u003c\/strong\u003e (suicide relay command\/feedback mismatch).\u003c\/li\u003e\n\u003c\/ol\u003e\n\n\u003ch3\u003e\u003cstrong\u003eTurbine Control Engineering FAQ \u0026amp; Field Guidance\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n    \u003cp\u003e\u003cstrong\u003eQ: How does the mechanical suicide relay protect a TMR control loop if one PAIC output circuit fails?\u003c\/strong\u003e\u003c\/p\u003e\n    \u003cp\u003eA: In Triple Modular Redundant systems, deactivating the normally open suicide relay electrically isolates the faulty output from the terminal board load, allowing the two healthy packs to maintain exact loop current without interference.\u003c\/p\u003e\n  \u003c\/li\u003e\n  \u003cli\u003e\n    \u003cp\u003e\u003cstrong\u003eQ: Why does a 22.5 VDC minimum supply requirement matter when upgrading from an original PAICH1A pack?\u003c\/strong\u003e\u003c\/p\u003e\n    \u003cp\u003eA: The B-revision hardware enforces a stricter 22.5 VDC brownout threshold; long power runs or under-sized 24 VDC power supplies with heavy voltage drop can trigger nuisance pack resets during transient loads.\u003c\/p\u003e\n  \u003c\/li\u003e\n  \u003cli\u003e\n    \u003cp\u003e\u003cstrong\u003eQ: What causes PAIC Alarm 82-83 during turbine commissioning, and can it be cleared in software?\u003c\/strong\u003e\u003c\/p\u003e\n    \u003cp\u003eA: Alarm 82-83 indicates that the suicide relay feedback state contradicts the processor command due to welded relay contacts or acquisition board hardware failure, requiring physical replacement of the I\/O pack.\u003c\/p\u003e\n  \u003c\/li\u003e\n  \u003cli\u003e\n    \u003cp\u003e\u003cstrong\u003eQ: Where are the 250-ohm current-loop burden resistors physically located when wiring 4–20 mA transmitters?\u003c\/strong\u003e\u003c\/p\u003e\n    \u003cp\u003eA: The precision 250-ohm burden resistors reside on the mated IS200 terminal board (such as IS200TBAIH1C), converting 0–20 mA field signals into a 0–5 V differential signal sensed by the PAIC multiplexer.\u003c\/p\u003e\n  \u003c\/li\u003e\n  \u003cli\u003e\n    \u003cp\u003e\u003cstrong\u003eQ: What wiring gauge and terminal board checks are necessary for reliable ATEX Zone 2 installation?\u003c\/strong\u003e\u003c\/p\u003e\n    \u003cp\u003eA: Use at least 22 AWG shielded instrumentation wire on barrier-type terminal boards like the IS200TBAIH1C, and ensure DC-37 retaining screws and RJ45 latches are locked to maintain Zone 2 non-arcing compliance.\u003c\/p\u003e\n  \u003c\/li\u003e\n\u003c\/ul\u003e","brand":"GE","offers":[{"title":"Default Title","offer_id":68059315601590,"sku":"IS220PAICH1B","price":163.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0722\/7863\/8774\/files\/IS220PAICH1B-1.jpg?v=1794561693","url":"https:\/\/www.plcsparehub.com\/products\/is220paich1b-general-electric-paic-distributed-i-o-module-quote","provider":"Global PLC Spare Hub","version":"1.0","type":"link"}