Allen Bradley 1746-NI4 Analog Input Module - High Resolution, 4 Channels, -20…+20 mA (or) -10…+10V dc
1746-NI4
1746-NI4
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Introduction
1746-NI4 is orderable as:1746-NI4
The Allen Bradley 1746-NI4 Analog Input Module is a 4 channel High Resolution Analog Input Module with voltages -20…+20 mA (or) -10…+10V dc
The 1746-NI4's input channels are filtered to reject high frequency noise and provide 14-to 16-bit (range-dependent) resolution.
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Quick Specs
| Module Type | Analog Input |
| view all specs | |
Full Product Specifications
Download Datasheet| Backplane Current (mA) at 24V | 85mA |
| Backplane Current (mA) at 5V | 25mA |
| Backplane Isolation | 500V ac and 710V dc withstand for 1 minute |
| Conversion Method | sigma-delta modulation |
| Conversion Time | N/A |
| Converter Resolution | 16 bit |
| Current Loop Absolute Max Input Voltage | ±7.5V dc or 7.5V ac RMS |
| Current Loop Current Input Coding | ±16,384 for ±20mA |
| Current Loop Full Scale | 20mA |
| Current Loop Gain Error at 25ºC (77ºF) | +0.323% (max) |
| Current Loop Gain Error Drift | ±67 ppm/ºC |
| Current Loop Gain Error, 0...60ºC (32...140ºF) | +0.556% (max) |
| Current Loop Input Impedance | 250 Ohms (nominal) |
| Current Loop Input Range | ±20mA (nominal), ±30mA (max) |
| Current Loop Overall Accuracy at 25ºC (77ºF) | ±0.365% of full scale |
| Current Loop Overall Accuracy Drift | +79 ppm/ºC of full scale |
| Current Loop Overall Accuracy, 0...60ºC (32...140ºF) | ±0.642% of full scale (max) |
| Current Loop Resolution | 1.22070 µA per LSB |
| Module Throughput Delay | 512 micro seconds(nominal) |
| Number of Inputs | 4 |
| Step Response | 60ms |
| Voltage Input Full Scale | 10V dc |
| Voltage Input Gain Error at 25ºC (77ºF) | +0.263% (max) |
| Voltage Input Gain Error Drift | ±57ppm/ºC |
| Voltage Input Gain Error, 0...60ºC (32...140ºF) | +0.461% (max) |
| Voltage Input Input Impedance | 1 MOhm |
| Voltage Input Input Range | ±10V dc -1 LSB |
| Voltage Input Overall Accuracy at 25ºC (77ºF) | ±0.284% of full scale |
| Voltage Input Overall Accuracy Drift (max) | +63 ppm/ºC of full scale (max) |
| Voltage Input Overall Accuracy, 0...60ºC (32...140ºF) | ±0.504% of full scale |
| Voltage Input Overvoltage Protection (IN+ to -IN) | 220V dc or ac RMS continuously |
| Voltage Input Resolution | 305.176 µV per LSB |
| Voltage Input Voltage Input Coding | -32,768...+32,767 for +10V dc |
