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Allen Bradley PLC 5 1771-LIA2

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1771-LIA2

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The 1771-LIA2 model from Allen Bradley is a controller interface module that connects up to 61 loop controllers. It employs an RS-422 serial link for communication and has a backplane current rating of 0.72 A at 5V DC.

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Not an Authorized Distributor: DO Supply is not an authorized distributor for listed manufacturers or tradenames and therefore the manufacturer's warranty does not apply. All of our products come with DO Supply's 2-year warranty.
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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 1771-LIA2

ManufacturerAllen Bradley
Product TypeController Interface Module
Product LinePLC 5
Part Number1771-LIA2
Weight1.13 lbs (0.51 kg)
Network Capacity61 Loop Controllers
Communication ProtocolRS-422 Serial Link
Backplane Current (5V DC)0.72 A
Output Voltage Range0 to 5 VDC
Output Current60 mA
Minimum Operating Temperature0°C
Maximum Operating Temperature60°C
Minimum Storage Temperature-40 °C
Maximum Storage Temperature85°C
Relative Humidity5 to 95% (Non-Condensing)
Installation Altitude1000 m
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The Allen Bradley 1771-LIA2 is a controller interface module designed with practicality in mind. This component has the ability to manage up to 61 loop controllers, making it suitable for complex automated systems. It utilizes an RS-422 serial link for its communication protocol, facilitating effective data exchange between devices.

The module functions with a backplane current of 0.72 A at 5 volts DC, indicating its power consumption during operation. For output performance, it operates within a voltage range of 0 to 5 VDC, providing flexibility for various applications. Its output current can reach up to 60 mA, suitable for driving low-current devices.

Operating conditions for the 1771-LIA2 must be carefully maintained, as it is designed for a temperature range of 0°C to 60°C while in use. In storage, it is resilient, withstanding temperatures as low as -40°C and as high as 85°C. The module has a relative humidity tolerance from 5% to 95%, as long as condensation is avoided. Furthermore, it can be installed at altitudes of up to 1000 meters, enhancing its applicability across different environments.