+86 18030182217
+86 18030182217
sandydcsplc@gmail.com
Description
GE AO3481
Product Overview
The GE AO3481 is a high-precision analog output module designed for industrial automation systems, engineered to deliver reliable and accurate control signals in mission-critical applications. As part of GE’s PACSystems RX3i series, this module serves as a vital component for transmitting analog signals to actuators, valves, and other field devices, ensuring seamless integration with PLC and DCS systems. The GE AO3481 features 8 isolated analog output channels, each configurable to output 4–20 mA or 0–10 VDC signals with a resolution of 12 bits, enabling precise control over process variables such as flow, pressure, and temperature. Its rugged design and wide operating temperature range (-40°C to +70°C) make it suitable for harsh industrial environments, while advanced diagnostics and hot-swap capability minimize downtime and enhance maintenance efficiency.
Designed for scalability, the GE AO3481 supports redundant power supplies and communicates via the RX3i backplane, ensuring high availability in complex control networks. The module’s non-volatile memory retains configuration settings during power outages, and its built-in error checking ensures signal integrity even in noisy industrial environments. By combining high-performance signal generation with industrial-grade durability, the GE AO3481 empowers industries to achieve precise process control and operational stability.
Technical Specifications
| Parameter Name | Parameter Value |
|---|---|
| Product Model | GE AO3481 |
| Manufacturer | GE (General Electric) |
| Product Type | Isolated Analog Output Module |
| Output Channels | 8 channels (individually configurable) |
| Output Signal Types | 4–20 mA, 0–10 VDC, ±10 VDC |
| Resolution | 12 bits |
| Output Accuracy | ±0.1% of full scale (25°C) |
| Isolation Voltage | 500 V DC (channel to channel), 1500 V DC (channels to ground) |
| Operating Temperature | -40°C to +70°C (non-condensing) |
| Storage Temperature | -40°C to +85°C |
| Power Supply | 5V DC (from backplane), 24V DC (field power, optional) |
| Backplane Interface | RX3i high-speed backplane (32-bit parallel data bus) |
| Mounting Method | Rack-mounted via RX3i chassis |
| Status Indicators | Channel fault LEDs, module health LED |
Main Features and Advantages
The GE AO3481 stands out for its high-precision signal output, offering 12-bit resolution and ±0.1% accuracy to ensure precise control over industrial processes. Each of its 8 channels is individually configurable, allowing flexible adaptation to diverse field device requirements, from valve positioners to variable speed drives. The module’s isolated design provides 500 V DC channel-to-channel isolation, protecting against ground loops and electrical noise, the critical factor in maintaining signal integrity in harsh environments.
Reliability is enhanced through hot-swap capability, enabling module replacement without powering down the system—a crucial feature for 24/7 operations. The GE AO3481 also includes advanced diagnostics, such as real-time channel fault detection and status monitoring via LED indicators, facilitating proactive maintenance and reducing troubleshooting time. Its compatibility with GE’s RX3i control platform ensures seamless integration with other I/O modules (e.g., AI, DI/DO) and communication protocols, creating a unified automation ecosystem. The module’s wide temperature range and rugged construction further make it suitable for extreme industrial settings, including oil refineries, power plants, and manufacturing facilities.
Application Areas
The GE AO3481 is widely applied in industries requiring precise analog control:
- Manufacturing: Controls robotic arms, conveyor belts, and hydraulic systems in automotive and food processing plants, ensuring consistent production quality through accurate speed and pressure regulation.
- Energy & Power: Adjusts generator excitation systems, steam turbine valves, and boiler feedwater pumps in power plants, enabling stable grid operation and optimal energy efficiency.
- Oil & Gas: Manages pipeline pressure regulators, compressor speeds, and wellhead choke valves in upstream and downstream facilities, even in corrosive or high-temperature environments.
- Water Treatment: Controls pump speeds, chemical dosing systems, and filtration processes in wastewater treatment plants, ensuring compliance with environmental standards through precise flow control.
- Process Industries: Regulates temperature, pressure, and flow in chemical reactors and distillation columns, supporting safe and efficient batch or continuous production.
Related Products
- GE AI3481: Complementary 8-channel analog input module for data acquisition, often paired with GE AO3481 for closed-loop control systems.
- GE DI3501: Digital input module for discrete signal monitoring, part of the RX3i series ecosystem.
- GE DO3501: Digital output module for relay or solenoid control, compatible with GE AO3481 in mixed I/O configurations.
- GE 3451: Solid-state relay output module for non-critical switching, suitable for simpler automation tasks.
- GE RX3i-CPU: Central processing units (e.g., RX3i-CPU-1200) that manage data flow to/from GE AO3481 in RX3i control systems.
- GE 8507-BI-DP: Profibus DP bus interface module for connecting GE AO3481 to legacy industrial networks.
- GE AO3482: Enhanced version with 16 analog output channels for large-scale process control applications.
Installation and Maintenance
Installation Preparation: Ensure the RX3i chassis is properly grounded and powered (5V DC backplane). Mount the GE AO3481 in an available slot of the RX3i rack, securing it with the provided hardware. Connect field power (24V DC, if used) and output cables to the terminal block, following the wiring diagram to avoid polarity errors. Configure channel parameters (signal type, range, scaling) using GE’s Proficy Machine Edition software, ensuring compatibility with connected field devices.
Maintenance Recommendations: Regularly inspect the module for loose connections or physical damage, especially in high-vibration environments. Use the status LEDs to monitor channel health—flashing fault indicators signal output errors or overloads. Periodically verify output accuracy with a calibrated multimeter, recalibrating if necessary through the configuration software. Update firmware via GE’s support portal to access the latest features and diagnostic improvements. For hot-swap operations, ensure the system is in a safe state before replacing the module to prevent transient signals from affecting connected devices.
Product Guarantee
The GE AO3481 is backed by a 1-year warranty covering manufacturing defects, ensuring reliable performance in industrial applications. GE provides comprehensive technical support, including online resources, firmware updates, and direct assistance from automation experts. In the event of a fault, replacement modules are readily available from global inventory, with expedited delivery options to minimize downtime. The module undergoes rigorous testing to meet international standards (CE, UL), ensuring compliance with safety and environmental requirements. GE’s commitment to quality and innovation makes the GE AO3481 a trusted choice for mission-critical analog control in diverse industrial settings.
Contact info
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