Part Number: IS220YPROS1A

Manufacturer: General Electric

Series: Mark VI

Operating Voltage:24 VDC (±10%)

Power Consumption:10W (typical), 15W (max)

Isolation:1500 VAC (field-to-logic)

Backplane Current:5VDC: 1.2A max

Range: 0–250 mV / ±10V (software-selectable)

Resolution: 16-bit

Accuracy: ±0.1% FS

The GE IS220YPROS1A is a Backup Protection I/O Module designed for use within the Mark VIe and Mark VIeS control systems from GE. This module plays a critical role in protective relaying and emergency shutdown applications, ensuring a reliable response to system faults and safeguarding key components in power generation and industrial process environments.

The IS220YPROS1A interfaces directly with discrete input and output signals, providing fail-safe functionality for backup protection logic. It is commonly deployed in Safety Instrumented Systems (SIS) or turbine control applications, where redundant safety paths are necessary.

Built for rugged environments, the module supports robust diagnostics, signal conditioning, and rapid response time. It integrates seamlessly into GE's I/O network architecture and offers high reliability through its deterministic communication and triple modular redundancy (TMR) compatibility.

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