Product Overview

The GE IS220YDIAS1A is a discrete contact input I/O pack used in GE control and safety architectures to bring hardwired field contact signals into a distributed control platform. It is commonly applied in EX2100 excitation systems and is also used in Mark VIeS functional safety implementations when paired with compatible terminal boards.

This module integrates local power and input conditioning to support stable contact sensing in electrically noisy industrial environments. It also provides contact wetting capability (used to source a controlled voltage for dry contacts when required by the application), helping improve input reliability and reduce false states caused by wiring contamination or long cable runs.

Hardware Parameters

• Model: IS220YDIAS1A

• Product type: Discrete Contact Input I/O Module

• Product series: EX2100

• Input function: Discrete contact inputs with optional contact wetting support

• On-board supply (nominal): 28 VDC

• DC voltage limit (typical max): 32 VDC

• Ambient operating range: -35°C to +65°C

• Compliance: UL Listed, CE Marked (hazardous-area suitability depends on system documentation and installation)

• Terminal board compatibility (typical): IS200STCIS1A, IS200STCIS2A, IS400STCIS1A, IS400STCIS2A, IS400TBCIS2C

• Condition: Brand New

• Lead time: In Stock

• Weight: 0.36 kg

• Dimensions: 13 × 8.2 × 6 cm

• Country of origin: USA

• HS Code: 8537101190

Industrial Applications

• EX2100 excitation control discrete status collection (auxiliary contacts, alarms, permissives)

• Mark VIeS safety systems requiring discrete contact sensing with approved terminal boards

• Turbine and generator auxiliary monitoring such as breaker position, relay status, cabinet door switches, and alarm contacts

• Plant retrofit and spares for sites standardizing on IS220 I/O packs to maintain consistent wiring and diagnostics