
GE IS220YDOAS1A Key features
16 safety-rated discrete outputs for precise control.
Supports Modbus RTU protocol for seamless integration with control systems.
Wide operating temperature range ensures reliability in harsh environments.
Compact design optimizes space utilization in control panels.
UL, CE, and CSA certifications ensure compliance with international safety standards.
Installation Of GE IS220YDOAS1A:
Ensure the terminal board is securely installed.
Insert the IS220YDOAS1A module into the terminal board connector.
Secure the module mechanically using the threaded ferrule next to the Ethernet port.
Connect one or two Ethernet cables depending on the system configuration.
Connect the module to power through the connectors on the side of the module.
Performance comparison
Parameter | IS220YDOAS1A (Safety Discrete Output I/O Pack) | IS220YDIAS1A (Discrete Contact Input I/O Module) |
Channels | 16 | 16 |
Output Type | Relay | N/A |
Operating Temperature | -20°C to +70°C | -40°C to +70°C |
Communication Protocol | Modbus RTU | N/A |
Summary:
GE IS220YDOAS1A offers 16 safety-rated discrete outputs, making it ideal for applications requiring precise and safe control. It excels in safety-critical applications compared to the IS220YDIAS1A, which focuses on discrete input detection.


Typical cooperation cases
Italy - ENI Chemical Plant Expansion in Sicily
Manages 80+ safety - critical discrete outputs for ENI's plant upgrade in Sicily.
Saudi Arabia - Saudi Aramco Oil Refinery in Riyadh
Handles 90+ safety - related I/O signals at Saudi Aramco's Riyadh refinery.
UAE - Dubai Power Station Renovation
Controls 75+ discrete outputs to enhance safety at Dubai's major power station.
Germany - BASF Petrochemical Complex in Ludwigshafen
Processes 100+ safety - discrete I/O points for BASF's Ludwigshafen complex.
Vietnam - PetroVietnam Gas Processing Plant in Ho Chi Minh City
Supports 65+ discrete output channels for PetroVietnam's Ho Chi Minh plant safety system.