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GE / IP FANUC Series 90/30 In Stock

A Global Supplier of Industrial Electronics

1-919-535-3180

1-800-360-6802

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sales@pdfsupply.com

1746-NT8

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Allen Bradley | SLC-500 | 1746-NT8 | Image

Allen Bradley | SLC-500 | 1746-NT8 | Image

Preowned
Includes a PDF Electric and Supply warranty.

Surplus
(Never Used)

$3435

3 In Stock

3 Yr PDF Supply warranty

What is Surplus?

Refurbished

$1913

4 In Stock

2 Yr PDF Supply Warranty

What is Refurbished?

Repair Service

$941

5-10 Days

2 Yr PDF Supply warranty

 

Other Available Revisions for the 1746-NT8 1746-NT8/A

Common misspellings:
  • l746-NT8
  • 17A6-NT8
  • 1746-NTb
  • 1746NT8

The 1746-NT8 by Allen Bradley is a Thermocouple/mV analog input module that falls into the SLC 500 product line. Its chassis is installed with eight (8) modules, which store thermocouple/mC analog data that has been converted to digital data for retrieval, by an SLC 500 type processor. It has a backplane current rating of 70 mA at 24 Volts DC and 120 mA at 5 Volts DC with a total backplane power of 1746-NT8 is 2.28 Watts. In addition, this module contains a total of eight (8) isolated input channels.

 

The signal conversion method for the 1746-NT8 SLC 500 analogue input module is Delta-sigma; this unit contains a digital low pass filter with program filter frequencies. It also contains 9 green LED lights to indicate to the user a change in the channel or module status. It uses the 1746-RT34 Removable Block Terminal (RBT) for analog device inputs. There are two cold-junction compensation sensors that have an accuracy of positive or negative 1.72 degrees Celsius.

 

The normal rejection frequency for the 1746-NT8 module when between the inputs is more than 100 dB at 50 to 60 Hertz, as is its common frequency rejection mode between ground and inputs. The 1746-NT8 SLC 500 calibrates automatically every two minutes after power up.

 

This unit operates best at a temperature higher than 0 degrees Celsius and lower than 60; its environmental humidity should be between 5 and 95% to avoid condensation.

 

The 1746-NT8 has a resolution of 16 bits with a 400-millisecond step response at maximum, and a 356-millisecond to 4.05-second minimum/maximum update time. 

 

Technical Specifications for 1746-NT8

ManufacturerAllen-Bradley / Rockwell Automation
SeriesSLC 500
Part Number1746-NT8
Product TypeThermocouple and Millivolt Analog Input Module
Voltage SourceBackplane Power
Voltage TypeDC
Backplane Voltage5 Volts DC, 24 Volts DC
Number of Inputs8
Backplane Power Consumption0.6 Watts at 5 Volts DC and 1.68 Watts at 24 Volts DC
Backplane Current Consumption20 milliamps at 5 Volts DC and 70 milliamps at 24 Volts DC

About 1746-NT8

The 1746-NT8 analog input module from Allen-Bradley is a thermocouple and millivolt analog input module. This module has been manufactured as part of the SLC 500 series. The hardware for the 1746-NT8 thermocouple and millivolt analog input module includes self-locking tabs, a removable terminal block, LEDs, slots for tying cables, a door label, and a side label or nameplate. The self-locking tabs make it easy to secure the 1746-NT8 thermocouple and millivolt analog input module into its chassis slot. The removable terminal block or RTB provides all of the electrical connections to the input devices in the system. The LEDs on the 1746-NT8 thermocouple and millivolt analog input module are indicators for each of the input channels and for the module as a whole to show whether the inputs or the whole module are operating and when they are experiencing errors.

 

The Allen-Bradley 1746-NT8 thermocouple and millivolt analog input module is easy to find and identify in its host SLC 500 system thanks to the information on its door label, which includes its part number, and its side label or name plate provides information about the module such as its specifications and power ratings. The 1746-NT8 thermocouple and millivolt analog input module can operate with a backplane voltage rating of either 5 Volts DC or 24 Volts DC. Its backplane power consumption ratings are 0.6 Watts at 5 Volts DC and 1.68 Watts at 24 Volts DC, and its backplane current consumption ratings are 120 milliamps at 5 Volts DC and 70 milliamps at 24 Volts DC.

The Allen-Bradley 1746-NT8 thermocouple and millivolt analog input module is made to operate as part of an SLC 500 controller system. It draws 5 Volts DC or 24 Volts DC from the SLC backplane for operation.

F.A.Q for 1746-NT8

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