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Allen Bradley PLC 5 1771N-4BDBDRRRT

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1771N-4BDBDRRRT

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The 1771N-4BDBDRRRT is an analog combination I/O module designed by Allen Bradley for use in PLC-5 systems. This module features various input and output channels, including high-resolution analog outputs tailored for precise monitoring and control.

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Rockwell Disclaimer: The product is used surplus. DO Supply is not an authorized surplus dealer or affiliate for the Manufacturer of this product. The product may have older date codes or be an older series than that available direct from the factory or authorized dealers. Because DO Supply is not an authorized distributor of this product, the Original Manufacturer's warranty does not apply. While many Allen-Bradley PLC products will have firmware already installed, DO Supply makes no representation as to whether a PLC product will or will not have firmware and, if it does have firmware, whether the firmware is the revision level that you need for your application. DO Supply also makes no representations as to your ability or right to download or otherwise obtain firmware for the product from Rockwell, its distributors, or any other source. DO Supply also makes no representations as to your right to install any such firmware on the product. DO Supply will not obtain or supply firmware on your behalf. It is your obligation to comply with the terms of any End-User License Agreement or similar document related to obtaining or installing firmware.

Technical specifications for 1771N-4BDBDRRRT

ManufacturerAllen Bradley
Product TypeAnalog Combination I/O Module
Product LinePLC 5
Part Number1771N-4BDBDRRRT
Weight0.25 lbs (0.11 kg)
Output Channels2 x 0-50 mA and 2 x 0-25 mA
Input Channels3 x RTD Inputs
Compatible PlatformPLC-5 / 1771 I/O Systems
Signal TypeIsolated Analog and RTD
Input ResolutionHigh Resolution Analog
Data FormatNatural Binary
Backplane Current1.6 Amps
Isolation Voltage1000 VDC Channel-to-Channel
Relative Humidity5 to 95% (without condensation)
Storage Temperature-40 to 85°C
Operational Temperature0 to 60°C
Settling Time>500 ms
ApplicationProcess Monitoring and Analog Control
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The Allen Bradley 1771N-4BDBDRRRT serves as an analog combination I/O module within the PLC 5 series. It has been engineered to excel in process monitoring and analog control applications. This module provides two output channels supporting 0-50 mA and 0-25 mA outputs, allowing for versatile control over various equipment. It also accommodates three input channels specifically for RTD inputs, making it suitable for temperature measurement tasks.

Designed to function seamlessly within PLC-5 and 1771 I/O systems, it features high-resolution analog input capabilities. Data is formatted in natural binary, ensuring clear, readable outputs for analysis. With a backplane current requirement of 1.6 Amps, it integrates efficiently with existing systems.

The isolation voltage between channels is rated at 1000 VDC, enhancing safety and minimizing interference among signals. The device functions effectively in humid environments, as it can operate in relative humidity levels ranging from 5% to 95%, provided there is no condensation present.

Temperature management is a strong point for this module, with operational temperatures ranging from 0 to 60°C, while it can be stored in harsher conditions from -40 to 85°C. The settling time for signals exceeds 500 ms, allowing stable readings for precise control over processes. Overall, the 1771N-4BDBDRRRT provides a reliable solution for applications requiring accurate monitoring and control of analog signals.