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Allen Bradley 1771-NOC High Resolution Analog Output Module
- Product Details
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Product Introduction
The Allen-Bradley 1771-NOC High Resolution Analog Output Module is a precision analog output module designed for the PLC-5 based 1771 I/O platform from Allen-Bradley. It is used to control field devices that require current-based analog input signals, converting digital instructions from the PLC into precise 0–25 mA current outputs.
The module supports eight high-resolution output channels, allowing the PLC to control multiple devices such as valves, actuators, or process instruments simultaneously. Its fast signal response ensures accurate and timely control for critical automation processes, with typical AC and DC signal delays of 45–50 ms.
Installed in a 1771 I/O chassis, the 1771-NOC communicates with the PLC-5 processor via the backplane. It is ideal for process control applications requiring precise analog output regulation and reliable integration with other PLC modules.
Product Specifications
| Parameter | Description |
|---|---|
| Product Name | Allen-Bradley 1771-NOC High Resolution Analog Output Module |
| Manufacturer | Allen-Bradley |
| Series | 1771 PLC-5 I/O System |
| Module Type | High-resolution analog current output module |
| Number of Outputs | 8 current outputs |
| Output Range | 0–25 mA |
| Typical AC Signal Delay (Off) | 45 ms (±15 ms) |
| Typical DC Signal Delay (Off) | 50 ms |
| Installation Location | 1771 I/O chassis |
| Dimensions | 165 × 51 × 89 mm |
| Weight | 0.79 kg |
Applications
● Industrial Process Control
Provides precise analog current outputs to control valves, actuators, and other process devices.
● PLC-5 Automation Systems
Translates digital commands from the PLC into accurate current signals for field devices.
● Manufacturing and Production Lines
Controls equipment requiring high-resolution analog inputs for process optimization.
● Energy and Utility Systems
Regulates devices such as pumps, meters, and actuators based on PLC instructions.
● Instrumentation and Monitoring Systems
Interfaces with process instruments to maintain desired operational parameters.
Advantages
● High-Resolution Outputs
Delivers precise current output control for accurate process regulation.
● Eight Output Channels
Supports multiple devices simultaneously for efficient automation.
● Fast Response Times
Typical AC and DC signal delays are minimal, ensuring timely control actions.
● Reliable PLC Integration
Communicates seamlessly with PLC-5 processors via the 1771 backplane.
● Compact Modular Design
Fits easily into standard 1771 I/O chassis slots for flexible system expansion.
● Stable Industrial Operation
Engineered for long-term performance in demanding industrial environments.
FAQ
-
What is the main function of the 1771-NOC module?
It converts digital commands from the PLC into precise 0–25 mA analog current outputs to control field devices. -
How many output channels does the module provide?
The module includes eight high-resolution current output channels. -
What is the output range of the module?
It provides 0–25 mA analog current signals suitable for industrial process control. -
What is the typical signal delay for AC and DC outputs?
AC signal delay is approximately 45 ms (±15 ms), and DC signal delay is around 50 ms. -
Where is the module installed?
It is installed in a 1771 I/O chassis connected to a PLC-5 system. -
What types of devices can it control?
Devices such as valves, actuators, and process instruments requiring current input. -
How does it integrate with PLC systems?
It communicates with the PLC-5 processor through the 1771 backplane for digital-to-analog conversion. -
Can it work alongside other 1771 modules?
Yes, it integrates seamlessly with other analog and digital modules in the 1771 system. -
Why is high-resolution output important?
It ensures precise control of field devices for accurate process regulation. -
What industries commonly use this module?
Process manufacturing, chemical processing, energy, and automation industries frequently use it.
Related Models
| Model | Description |
|---|---|
| 1771-NIS/B | High-resolution analog input module |
| 1771-IFM | Fast millivolt input module |
| 1771-IXE | Thermocouple / millivolt input module |
| 1771-IR | RTD analog input module |
| 1771-IFE | Analog input module |
| 1771-ALX | Local I/O adapter module |
Popular Models
| Model | Description |
|---|---|
| 1756-L73 | ControlLogix programmable automation controller |
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| 1769-IF8 | Compact I/O analog input module |
| 1769-OW16 | Compact I/O relay output module |
| Company Information | ||||||||
| [email protected] | ||||||||
| Mobile | +8613666033393 | |||||||
| +8613666033393 | ||||||||
| 13666033393 | ||||||||
| Add | Room 1004, No. 62 Xiangxiu Li, Siming District, Xiamen City, Fujian Province, China | |||||||
Excellent PLC Co., Ltd. has a large number of brand new and original PLC and DCS spare parts, with more than 60 cooperative countries. All products are guaranteed for 1 year and delivered to you by high-quality express. We are committed to using the best products and the most favorable prices to meet the needs and friendship of our customers. We have won the trust of thousands of customers, including these excellent customers.
As for the delivery time, when we receive your order requirements, we will arrange for warehouse personnel to test and verify the products. After you place the order, we will send it to you within 24 hours.
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