Description
Product Specifications
- Origin: United States (USA)
- Weight: 1.32 lbs (0.60 kg)
- Dimensions: 8.25 x 1.75 x 4.75 inches
- Processor: High-speed 32-bit RISC processor for local control logic.
- Input/Output: Supports 10 analog inputs (0-20mA or ±10V) and 2 analog outputs (0-20mA).
- Communication: Dual 10/100 Mbps Ethernet ports (IONet) for redundant system communication.
- Operating Temperature: -30 to +65°C (-22 to +149°F).
The GE IS220PAICH1A is a high-performance Analog I/O Pack utilized within the Mark VIe control system to bridge field devices and the controller. This module is designed to mount directly onto a compatible terminal board, providing the intelligence required to digitize analog signals and execute local diagnostic algorithms. Its dual Ethernet architecture ensures that data is transmitted across redundant networks (IONet), eliminating single points of failure. The PAIC is equipped with internal temperature sensors and voltage monitoring, allowing it to report its own “health” status to the central control system, which is vital for maintaining high availability in critical power generation and industrial processes.

GE IS220PAICH1A

GE IS220PAICH1A

GE IS220PAICH1A
Model Comparison: IS220PAICH1A vs. Similar Models
The IS220PAICH1A is the standard analog pack for Mark VIe systems, distinguishing itself from the older IS200 series modules by moving the processing intelligence from a centralized rack to the “edge” at the terminal board level. Unlike the IS220PAOCH1A, which is dedicated exclusively to analog outputs, the PAICH1A provides a hybrid configuration optimized for high-density input monitoring with a limited number of outputs. The “H1A” hardware revision indicates a specific functional envelope that includes improved thermal dissipation and updated Ethernet transceiver chips compared to prototype or early-production versions.
Operational Guidelines
- Mounting Protocol: Ensure the pack is firmly seated on the terminal board and the two side jackscrews are fully tightened to maintain electrical contact and grounding.
- Network Redundancy: Always connect both Ethernet ports to the IONet switches; the pack is designed to automatically switch paths if one connection is lost without interrupting the process signal.
- Firmware Update: When adding a new pack to an existing system, use the ToolboxST application to verify and download the correct firmware version to match the rest of the controller group.
- Electronic ID: The PAIC contains an electronic ID (EEPROM) that stores the board’s hardware history; ensure you do not swap packs between different types of terminal boards without reconfiguring the software to avoid “Hardware Mismatch” faults.
