1746-NT8 Allen-Bradley PLC 1746 RTD and Thermocouple Modules 8 Input 16 Bits New

1746-NT8 Allen-Bradley PLC 1746 RTD and Thermocouple Modules 8 Input 16 Bits New

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PLCAGE: 1746-NT8 Allen-Bradley PLC 1746 RTD and Thermocouple Modules 8 Input 16 Bits New

Features

This module mounts into 1746 I/O chassis for use with SLC 500 fixed and modular systems. The module stores digitally converted thermocouple/mV analog data in its image table for retrieval by all fixed and modular SLC 500 processors. The module supports connections from any combination of up to eight thermocouple/mV analog sensors.

Specification

Backplane Current Consumption	120 mA at 5V dc 70 mA at 24Vd
Backplane Power Consumption	2.28W maximum (0.6W at 5V dc, 1.68W at 24V dc)
Number of Channels	8 (backplane and channel-to-channel isolated)
I/O Chassis Location	Any I/O module slot except 0
A/D Conversion Method	Sigma-Delta Modulation
Input Filtering	Input Filtering Low pass digital filter with programmable notch (filter) frequencies
Normal Mode Rejection (between [+] input and [-] input)	Greater than 100 dB at 50/60 Hz
Common Mode Rejection (between input and ground)	Greater than 100 dB at 50/60 Hz
nput Filter Cut-Off Frequencies 2.6 Hz at 10 Hz filter frequency 13.1 Hz at 50 Hz filter frequency 15.72 Hz at 60 Hz filter frequency 65.5 Hz at 250 Hz filter frequency	Greater than 100 dB at 50/60 Hz
Calibration	Module autocalibrates at power-up and approximately every two minutes afterward
Input Over-voltage Protection	±30V dc continuous 600W pulsed for 1 ms
Isolation	500V dc for 1 minute between inputs and chassis ground and between inputs and backplane. 12.5V dc continuous between channels.