1746-INT4

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Overview of Allen-Bradley 1746-INT4 Thermocouple/mV Isolated Input Module

The Allen-Bradley 1746-INT4 is a four-channel isolated thermocouple/millivolt analog input module designed for SLC 500 systems. It converts thermocouple inputs (types B, C, D, E, J, K, N, R, S, T) and millivolt signals (-50 to +50 mV DC and -100 to +100 mV DC) into digital data accessible by the SLC 500 processor. The module features individual channel isolation of 1000 V transient and 150 V AC, Sigma-Delta analog-to-digital conversion, filtering, open-circuit detection, and selectable temperature and millivolt scales.

Key Features

  • Four isolated input channels supporting thermocouples and millivolt inputs
  • Channel isolation: 1000 V transient, 150 V AC continuous
  • Input filtering with low-pass digital filtering and 8 Hz bandwidth
  • Open-circuit detection to identify disconnected sensors
  • Selectable Celsius or Fahrenheit temperature units and millivolt scale ranges
  • LED indicators for channel status and module operation
  • Removable terminal block with cold junction compensation (CJC) sensors factory installed
  • Operating temperature range of 0 to 60 °C (32 to 140 °F)
  • Storage temperature range of -40 to 85 °C (-40 to 185 °F)
  • CSA, UL, and CE certified for industrial use

Technical Specifications

Model 1746-INT4
Channels 4 isolated thermocouple/mV inputs
Supported Thermocouples B, C, D, E, J, K, N, R, S, T
Millivolt Input Range -50 to +50 mV, -100 to +100 mV
Input Isolation 1000 V transient, 150 V AC continuous
ADC Method Sigma-Delta Modulation
Bandwidth 8 Hz (-3 dB)
Open Circuit Detection Yes
Operating Temperature 0 to 60 °C (32 to 140 °F)
Storage Temperature -40 to 85 °C (-40 to 185 °F)
Power Requirements 110 mA at 5 V DC, 85 mA at 24 V DC
Enclosure Type Open style, for use in SLC 500 chassis

Applications

The 1746-INT4 module is widely used in industrial automation for precise temperature measurement and low-level voltage monitoring. It allows integration of thermocouples and millivolt sensors into SLC 500 systems for process control, instrumentation, and monitoring applications.

1746-INT4

$0.00

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  • LESS THAN

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Does it come with a warranty?

Yes, All products are offered wth 1-Year warranty.

What is the condition of the product?

All products sold are New & Unused.

How fast is shipping?

All products are delivered within 2-8 business days depending on our stock location.

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