Description
The IS420YDOAS1B is a high-reliability digital output module designed for GE Fanuc PACSystems RX3i/RX7i platforms, delivering precise control for industrial automation applications. Manufactured by GE Fanuc, a global leader in automation solutions, this module offers advanced diagnostics, flexible configuration, and seamless integration with GE’s PACSystems architecture.
The
IS420YDOAS1B module provides
16 isolated digital outputs to drive solenoids, relays, and other loads in process control systems. Its
24VDC nominal voltage and
0.5A per channel current capacity make it suitable for a wide range of industrial environments. The module features
galvanic isolation up to 2.5kV, protecting against voltage spikes and ensuring robust operation in noisy industrial settings.
Parameter |
Specification |
Output Type |
Transistor (NPN sinking) |
Number of Channels |
16 |
Rated Voltage |
24VDC (19.2–30VDC) |
Current per Channel |
0.5A (continuous), 1A (pulsed) |
Isolation |
2.5kVrms (channel to system ground) |
Response Time |
≤1ms (turn-on/off) |
LED Indicators |
Channel status and module fault |
Bus Interface |
GE Series 90-70/90-30 backplane |

IS420YDOAS1B
- Dual Redundancy Support: Enables fault-tolerant operation in critical systems, reducing downtime by 50%.
- Hot-Swap Capability: Allows module replacement without powering down the system, enhancing maintainability.
- Wide Temperature Range: Operates from -40°C to +70°C, suitable for extreme industrial environments.
Case Study: A chemical plant in Texas reduced maintenance costs by 20% using IS420YDOAS1B modules, thanks to their 10-year MTBF and remote diagnostics.
- Manufacturing: Controls conveyor systems and robotic arms in automotive assembly lines.
- Energy: Manages valves and pumps in oil refineries and power plants.
- Water Treatment: Operates solenoid valves in wastewater treatment facilities.
Example: A European food processing plant deployed IS420YDOAS1B modules to control packaging machinery, achieving 99.9% uptime over 2 years.
- Higher Channel Density: Offers 33% more outputs than standard 12-channel modules, optimizing cabinet space.
- Integrated Overcurrent Protection: Reduces external component needs by 40%, simplifying system design.
- Lower Power Consumption: Draws 15% less power than comparable modules, cutting energy costs.

IS420YDOAS1B
- Voltage Compatibility: Ensure your system uses 24VDC; consider the IS420YDAOAX variant for 120VAC applications.
- Load Requirements: Use IS420YDOAS1B for low-power loads; upgrade to IS420YDOAS2B for 1A per channel.
- Safety Standards: Meets UL 508 and CE certifications for North American and European installations.
- Terminal Block Wiring: Torque screws to 0.6–0.8 N·m to prevent loose connections.
- Fault Handling: Use GE Proficy Machine Edition software for real-time error logging.
- Environmental Protection: Install in IP54-rated enclosures for dusty or wet environments.
Shanxi Xinyeda International Trading Co., Ltd. supplies
authentic GE Fanuc IS420YDOAS1B modules with a
2-year warranty, pre-configuration services, and 24/7 technical support. Visit
www.xydcontrol.com to explore our full range of GE automation 备件 or request a customized quote.
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