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| 원래 장소: | 미국 |
| 브랜드 이름: | Allen-Bradley |
| 인증: | CO.CQ |
| 모델 번호: | 1771-NOC/B |
The 1771-NOC/B Allen-Bradley High-Resolution Isolated Analog Current Output Module is a precision analog output module designed for Allen-Bradley PLC-5 and 1771 I/O systems. Engineered for industrial automation environments requiring accurate current-loop signal transmission, the module provides high-resolution analog current outputs with channel-to-channel isolation, ensuring stable and interference-resistant control performance.
Designed for demanding process automation applications, this module enables reliable communication between PLC-5 controllers and field devices such as control valves, actuators, variable frequency drives (VFDs), process controllers, recorders, and other 4-20 mA compatible instrumentation.
With isolated output circuitry, high conversion accuracy, and dependable long-term stability, the module is suitable for continuous industrial operation in manufacturing plants, chemical processing, water treatment, power generation, oil & gas, and other mission-critical automation systems.
| Specification | Details |
|---|---|
| Product Name | 1771-NOC/B Allen-Bradley High-Resolution Isolated Analog Current Output Module |
| Manufacturer | Allen-Bradley |
| Product Series | 1771 I/O |
| Compatible Controller | PLC-5 Large Controller Systems |
| Module Type | High-Resolution Isolated Analog Current Output Module |
| Output Type | Analog Current Output |
| Output Resolution | High Resolution |
| Signal Type | Current Loop Output |
| Isolation | Channel Isolation |
| Installation | 1771 I/O Chassis |
| Calibration | Factory/Digital Calibration |
| Industrial Application | Process Automation |
| Status Indicators | LED Diagnostics |
| Operating Environment | Industrial Control Systems |
The 1771-NOC/B Allen-Bradley High-Resolution Isolated Analog Current Output Module installs directly into a compatible 1771 I/O chassis used with PLC-5 controller systems.
After installation, output channels can be configured within the PLC-5 programming environment according to the required current output parameters for connected field devices. Proper wiring, grounding, and shielding practices are recommended to maximize output accuracy and reduce electromagnetic interference.
Routine verification of field wiring and calibration is recommended as part of preventive maintenance programs.
The 1771-NOC/B Allen-Bradley High-Resolution Isolated Analog Current Output Module incorporates high-resolution digital-to-analog conversion and isolated output circuitry, delivering superior signal integrity, improved precision, and greater immunity to electrical noise compared with standard analog output modules.
The module provides stable, highly accurate analog current outputs that enable precise control of valves, drives, actuators, and other field devices. Its high-resolution architecture supports tighter process regulation and improved operational consistency.
The module is specifically engineered for integration with Allen-Bradley PLC-5 Large Controller Systems utilizing the 1771 I/O platform, ensuring reliable communication and seamless operation.
Channel isolation significantly reduces ground loops, electrical interference, and signal crosstalk, allowing the module to maintain accurate current outputs even in electrically demanding industrial environments.
Typical applications include chemical processing, oil and gas facilities, water treatment plants, pharmaceutical manufacturing, food processing, mining, power generation, pulp and paper production, and large-scale industrial automation systems.
