The Allen-Bradley 1746-NIO4I Series A is a combination analog I/O module for the SLC 500 series, featuring two selectable voltage or current input channels and two current output channels, designed to enhance control system flexibility.
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The Allen-Bradley 1746-NIO4I Series A is an analog combination I/O module within the SLC 500 controller family. It provides two input channels that can be individually configured for either voltage or current signals, and two current output channels. This module facilitates efficient monitoring and control in various industrial applications. The input channels support voltage ranges of ±10V DC and current ranges of 0 to 20 mA, with user-selectable configuration per channel. The outputs are fixed for current signals, supporting ranges such as 0 to 20 mA. The module features a 16-bit resolution for inputs and a 14-bit resolution for outputs, ensuring precise data acquisition and control. It operates with a backplane current draw of 55 mA at 5V DC and 145 mA at 24V DC. The 1746-NIO4I is designed for easy integration into existing SLC 500 systems, offering a compact solution for applications requiring both analog inputs and outputs.
Features:
Two selectable voltage or current input channels
Two fixed current output channels
16-bit input resolution
14-bit output resolution
Backplane current draw: 55 mA at 5V DC, 145 mA at 24V DC
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