AB 1771-IXE

Description

AB 1771-IXE is an isolated analog input module produced by Allen-Bradley(now part of Rockwell Automation)for use in PLC(Programmable Logic Controller)systems.The following is a detailed introduction to the product:

1.Basic Information

Brand:Allen-Bradley/Rockwell Automation

Model:1771-IXE

Type:Isolated Analog Input Module

AB 1771-IXE

2.Technical Specifications

Compatible PLC Series:PLC 5 Series Controllers and Controller Components

Applicable Chassis:All PLC 5 Series Bulletin 1771 Chassis

Wiring Arm:Comes with Allen-Bradley 1771-WI wiring arm,which must be connected to operate

Input type:Thermocouple input module and millivolt input module

Input channels:8 floating differential inputs for thermocouple or millivolt input ranges,including E,J,K,T,R,and S type thermocouples and±100 millivolts

Input configuration:Allows 8 inputs of the same type or 4 inputs of 2 different types

Cold junction compensation:Range of 0 to 60 degrees Celsius and±0.5 degrees Celsius accuracy

Temperature scale:Selectable degrees Celsius or degrees Fahrenheit

Temperature resolution:1 degree Celsius or 1 degree Fahrenheit

Millivolt resolution:10µV

Backplane current load:750mA required at 5V

Channel update time:50 milliseconds for every 8 channels

Maximum power consumption:4.25 watts

Maximum heat dissipation:14.5 BTU/hour

Key strap location:must be placed between pins 20 to 22 and pins 24 to 26 that only accept this module

III.Features

Automatic calibration:The 1771-IXE automatically calibrates the offset and gain of each channel without the need for a potentiometer.

High and low temperature alarms:It has user-selectable high and low temperature alarm functions.

Indicator:There is a green RUN and a red FLT indicator on the front panel to indicate power and fault status.

Self-diagnosis:During power-on,self-diagnosis is performed and its status is reported.

Open circuit detection:Open circuit detection is provided when the thermocouple fails.

Linearization:Thermocouple linearization with IPTS-68 standard NBS-MN-125.

Signal conversion:The module converts the received millivolt signal into binary or BCD format.

AB 1771-IXE

IV.Application scenarios

Temperature measurement:Since thermocouple sensors are temperature measurement devices,this module is particularly suitable for temperature applications.

Factory automation:In factory automation applications,resistance input compatibility can be used to measure the displacement of the device.

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