I/O modules

Key Technical Specifications

This GE IS220PAICH1B module operates from a 24V DC power supply. It provides 16 mixed analog channels for Mark VIe control systems. The unit measures 20 cm in length, 15 cm in width, and 4 cm in height. Its total weight equals 0.65 kg without any packaging materials.

The GE IS220PAICH1B includes 8 analog inputs and 8 analog outputs. Additionally, it features one backplane connector for system integration. A single 4-pin terminal block connects the DC power input. The module contains 2 AD converters, 2 DA converters, 1 DSP, 8 analog conditioners, 8 output drivers, 16 resistors, and 14 capacitors.

GE IS220PAICH1B stores energy using one electrolytic capacitor. This capacitor provides 100 µF at 35V rating for output hold-up. Consequently, the module maintains analog outputs during 20 millisecond power interruptions. Therefore, actuators remain stable through brief voltage dips.

Design and Integration

This analog I/O module uses six-layer PCB construction with separate analog and digital grounds. Consequently, the GE IS220PAICH1B operates reliably from -10°C to +55°C ambient temperature.

For installation, you need M3 screws for the four mounting holes. The module draws 250 mA typical current from the 24V DC supply. Each output channel can drive loads up to 20 mA maximum. We recommend using shielded cables for all analog field connections.

Practical Application

This analog I/O module connects field sensors and actuators to a Mark VIe controller. It reads temperature, pressure, and flow signals from turbine systems. The GE IS220PAICH1B then sends control outputs to valves and positioners. Therefore, it serves as a compact analog interface for GE turbine control systems.

Details