Original GE PUAA 16‑channel universal I/O pack for Mark VIe system, multi‑signal field acquisition with HART support spare part.

Product Overview

IS420PUAAH1A is PUAA universal I/O pack for GE Speedtronic Mark VIe / Mark VIeS control system. It features 16 individually configurable simplex channels, supports thermocouple, RTD, 4‑20mA analog, HART and pulse signal acquisition, realizes field instrument signal conditioning and data transmission to main controller over redundant IONet Ethernet. It is widely deployed in gas‑steam turbine and BOP auxiliary control system. Compact I/O‑pack form factor supports hot‑swap maintenance. Widely used as maintenance spare part for power‑plant and petrochemical turbine control cabinets.

Key Features

• 16 independent configurable simplex channels, multi‑signal type flexible software configuration
• Supports TC, RTD, 4‑20mA, HART and pulse input signals for diverse field instrument connection
• Dual 10/100Mbps Ethernet ports for redundant IONet network communication with Mark VIe controller
• High‑precision signal sampling up to 0.1% measurement accuracy for process variable acquisition
• Front‑panel LED indicators for channel status and module fault diagnosis
• Hot‑swap capable within Mark VIe remote I/O rack without system shutdown

• Industrial‑grade hardware, adapts to continuous long‑time cabinet operation environment

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Technical Specifications

• Brand: GE (Vernova)
• Model: IS420PUAAH1A
• Module Type: PUAA Universal I/O Pack
• System Platform: Speedtronic Mark VIe / Mark VIeS
• Channel Quantity: 16 configurable simplex channels
• Supported Signal: TC, RTD, 4‑20mA, HART, pulse signal
• Communication: Dual 10/100Mbps IONet Ethernet
• Power Supply: 18‑30VDC, nominal 24VDC
• Operating Temp: ‑40℃ ~ +70℃
• Storage Temp: ‑40℃ ~ +85℃
• Humidity: 5‑95% non‑condensing

• Installation: Plug‑in inside Mark VIe remote I/O rack

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Compatibility

Compatible with GE Mark VIe turbine control system, requires ControlST V7.02.00C or above software version. Field loop inspection, channel configuration download and IONet communication test required after replacement.