1746-NR8 | Allen Bradley RTD/Resistance Analog Input Module
1746-NR8 | Allen Bradley RTD/Resistance Analog Input Module

1746-NR8 | Allen Bradley RTD/Resistance Analog Input Module

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Availability: In stock. Usually ships in 5 - 7 working days.
Part Number: 1746-NR8
USD1,176.00
Retail Price:USD1,384.00
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Part Number : 1746-NR8

Model1746-NR8
Backplane Current Consumption

100 mA at 5V dc
55 mA at 24V dc
Backplane Power Consumption1.82W maximum (0.5W at 5V dc, 1.32W at 24V dc)
External Power Supply RequirementsNone
Number of Channels8 (backplane isolated)
I/O Chassis LocationAny I/O module slot except slot 0
A/D Conversion MethodSigma-Delta Modulation
Input FilteringLow pass digital filter with programmable notch (filter) frequencies
Common Mode Rejection
(28 Hz and 50/60 Hz Filter frequencies)
> 120 dB at 50 Hz (28 Hz and 50 Hz filter frequencies)
> 120 dB at 60 Hz (28 Hz and 60 Hz filter frequencies)
Normal Mode Rejection
(between [+] input and [-] input)
65 dB minimum at 50/60 Hz with 50/60 Hz filter
110 dB minimum at 50 Hz with 28 Hz filter
95 dB minimum at 60 Hz with 28 Hz filter
Max. common mode voltage?1 volt
Max. allowed permanent overload?Volts = ?5V dc; Current = ?5 mA
Input Filter Cut-Off Frequencies



7.80 Hz at 28 Hz filter frequency
13.65 Hz at 50/60 Hz filter frequency
209.6 Hz at 800 Hz filter frequency
1676 Hz at 6400 Hz filter frequency
CalibrationModule autocalibrates at power-up. Periodic calibration (every 5 minutes) can also be enabled.
Isolation

500V ac for 1 minute between inputs and chassis ground, and between inputs and backplane.
5V dc continuous between channels.
LED Indicators9 green status indicators, one for each of 8 channels and one for module status
Module ID Code

3508 - Class 1
12708 - Class 3
Maximum Termination Wire SizeOne 14 AWG wire per terminal
Maximum Cable Impedance25 ohms maximum impedance for 3-wire RTD configuration
Terminal Block1746-RT-35

(1) Do not apply a voltage or current to the module.


  • Availability : In Stock
  • Estimated Lead Time : Usually Ships in 5 - 7 Working Days
  • Shipping Weight : 2 Kg
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