Description
The GE IS220PAICH2A is a high-performance Analog I/O pack designed for the Mark VIe control system. it serves as the functional interface between the control controller and analog input/output devices, providing reliable data acquisition and signal distribution in demanding industrial environments.

GE IS220PAICH2A
Product Specifications
| Parameter | Specification |
| Manufacturer | General Electric (GE) |
| Series | Mark VIe Speedtronic |
| Country of Origin | USA |
| Dimensions | 8.26 x 4.13 x 1.78 inches |
| Weight | 0.60 kg (approx. 1.32 lbs) |
| Power Requirements | 28 VDC nominal (18 – 30 VDC range) |
| Input Channels | 10 Analog Inputs |
| Output Channels | 2 Analog Outputs |
| Operating Temp | -30 to +65°C (-22 to +149°F) |
Operational Guidelines & Precautions
- Hot Swapping: The module supports hot-swapping; however, ensure the mounting base is securely grounded before installation to prevent electrostatic discharge (ESD) damage.
- Wiring Integrity: Use shielded twisted-pair cabling for all analog signals to minimize electromagnetic interference and ensure signal accuracy.
- Environment: Ensure the cabinet provides adequate ventilation, as prolonged exposure to temperatures above 65°C can degrade component lifespan.
- Calibration: Periodic software-based calibration is recommended to maintain the precision of the A/D and D/A converters.

GE IS220PAICH2A
Frequently Asked Questions (Q&A)
Q1: What is the primary function of the IS220PAICH2A? It digitizes analog signals from field sensors (like pressure or flow transmitters) and converts digital control signals back into analog outputs for actuators.
Q2: Does this pack support redundancy? Yes, it is designed for use in simplex, dual, or TMR (Triple Modular Redundant) configurations within the Mark VIe architecture.
Q3: How is the module addressed in the system? The pack identifies itself via a unique hardware ID and is configured through the GE ControlST* software suite.

GE IS220PAICH2A
Recommended Similar Models
| Model Number | Description |
| IS220PAICH1A | Standard Analog Input/Output Pack (Version 1) |
| IS220PDOAH1A | Discrete Output Module for Mark VIe |
| IS220PDIAH1A | Discrete Input Module for Mark VIe |
| IS220PTURH1A | Turbine Specific Primary I/O Pack |
| IS220PVAIH1A | Voltage Analog Input Module |
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