Model Number:1746-NI4
Manufacturer:Allen Bradley
Type:High Resolution Analog Input Module
Number of Channels:4 (Input)
Common Mode Voltage Range:-20 to 20 V
Absolute Input Voltage:+/- 7.5 VDC or 7.5 VAC RMS (Maximum)
Input Range:-20 to 20 mA
Absolute Input Current:-30 to 30 mA (Maximum)
Voltage Rating:Overvoltage Protection: 7.5 VAC RMS
Current Rating:Backplane Current Draw: 35 mA at 5 V, 85 mA at 24 V
Isolation:Backplane: 500 VDC
The Allen-Bradley 1746-NI4 Analog Input Module offers high-resolution measurement capabilities, making it ideal for demanding industrial environments. Its design allows for accurate signal conversion from analog to digital, ensuring reliable data acquisition for real-time control systems. With a common mode voltage range of -20 to 20 V and absolute input voltage up to ±7.5 VDC or 7.5 VAC RMS, this module is capable of handling a wide variety of analog signals. It supports four channels, each with an input range of -20 to 20 mA, and is equipped with overvoltage protection, making it robust against electrical disturbances. The module’s backplane current draw is optimized for efficient power consumption, drawing 35 mA at 5 V and 85 mA at 24 V, ensuring minimal impact on system performance. Furthermore, the backplane isolation of 500 VDC ensures electrical safety and reduces the risk of damage from ground loops.
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