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GE Mark VIe IS220PAICH2A Analog I/O Pack PAIC Module

Product Description

The GE IS220PAICH2A (Part Number: IS220PAICH2A) is a high-performance Analog Input/Output (PAIC) pack designed for the Mark VIe Speedtronic turbine control system. This intelligent I/O module serves as a localized digitization hub, mounting directly onto specific terminal boards to interface with process sensors and actuators. The IS220PAICH2A is engineered to handle 10 differential analog inputs and 2 analog outputs, providing the high-speed data acquisition necessary for the real-time control of gas and steam turbines.

Equipped with dual redundant Ethernet ports, the IS220PAICH2A ensures ultra-reliable communication with the Mark VIe controllers. It utilizes a 16-bit A/D converter to deliver precise measurements of current (4–20 mA) and voltage signals, with an accuracy rating of ±0.1% across the full-scale range. The module’s robust industrial design includes comprehensive internal diagnostics, hardware self-tests, and channel-to-backplane isolation, making it a critical component for maintaining system uptime in mission-critical power generation and oil & gas facilities.

Technical Specifications

Detailed hardware parameters and operational limits for the IS220PAICH2A:

Parameter Specification Details
Model Number IS220PAICH2A
Manufacturer General Electric (GE)
System Compatibility Mark VIe Control System
I/O Configuration 10 Analog Inputs / 2 Analog Outputs
Input Signals 4–20 mA current, ±5 V, ±10 V voltage
Output Signals 4–20 mA current
Resolution 16-bit Analog-to-Digital conversion
Accuracy ±0.1% of full-scale range
Communication Dual redundant 100 Mbps Ethernet (IONet)
Isolation 1500 Vrms galvanic isolation
Power Input 28 VDC nominal (range 18–30 VDC)
Operating Temp -30 °C to +65 °C (-22 °F to 149 °F)
Dimensions 10.16 cm x 3.81 cm x 15.24 cm
Weight 0.3 kg

 

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