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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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| Manufacturer | Allen Bradley |
|---|---|
| Product Type | Controller Interface Module |
| Product Line | PLC 5 |
| Part Number | 1771-LIA2 |
| Weight | 1.13 lbs (0.51 kg) |
| Network Capacity | 61 Loop Controllers |
| Communication Protocol | RS-422 Serial Link |
| Backplane Current (5V DC) | 0.72 A |
| Output Voltage Range | 0 to 5 VDC |
| Output Current | 60 mA |
| Minimum Operating Temperature | 0°C |
| Maximum Operating Temperature | 60°C |
| Minimum Storage Temperature | -40 °C |
| Maximum Storage Temperature | 85°C |
| Relative Humidity | 5 to 95% (Non-Condensing) |
| Installation Altitude | 1000 m |
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.
The Allen-Bradley 1771-LIA2 module is a high-speed counter module. It supports output voltage from 0 to 5 Volts DC.