GE IS220PDIAH1B Discrete Contact Input I/O Pack

Overview

The IS220PDIAH1B is a Discrete Contact Input I/O Pack for GE Mark VIe and VIeS turbine control systems. It connects field devices, including push buttons, limit switches, and relay contacts. The module processes up to 24 discrete inputs, delivering fast and reliable signal acquisition for critical control applications. It also supports diagnostics and redundant Ethernet communication for improved system reliability.

Technical Specifications

• Module Type: Discrete Contact Input I/O Pack

• System Compatibility: GE Mark VIe / VIeS control systems

• Input Channels: 24 discrete contact inputs

• Input Voltage Range: 24 VDC nominal, maximum 32 VDC

• Excitation Voltage Options: 24 VDC, 48 VDC, 125 VDC (depending on terminal board)

• Input Isolation: Optical isolation up to 1500 V

• Input Filtering: Hardware filter with 4 ms response time

• AC Voltage Rejection: 60 V RMS at 50/60 Hz with 125 VDC excitation

• Ethernet Ports: Dual RJ45 for redundant network communication

• Power Supply: 24 VDC via 3-pin connector

• Connector Type: DC-37 pin connector to terminal board

• Diagnostics: LED indicators and infrared port for local diagnostics

• Operating Temperature: –40°C to +70°C

• Mounting Style: DIN rail or panel mount

• Functional Revision: Revision B, normal assembly, functional acronym PDIA, revision quantity 1

• Weight: 0.8 kg

• ENET Indicators: 2 ports for network status