Allen-Bradley 1794-IE8

Allen-Bradley 1794-IE8,is a Flex I/O analog input module.The following is a detailed introduction to the module:

I.Basic features

Input channels:It has 8 voltage/current single-ended input channels.

Signal receiving range:It can receive analog signals of 0 to 20mA,4 to 20mA,±10VDC and 0 to 10VDC.

Communication compatibility:It is compatible with Flex I/O communication adapters and can be installed on terminal bases such as 1794-TB2,-TB3,-TB3S,-TB3T,-TB3TS.

Allen-Bradley 1794-IE8

II.Technical specifications

Resolution:It is configured as 12 bits in unipolar mode and 11 bits plus sign in bipolar mode.

Conversion Rate:256 seconds on all channels(but this may be a mischaracterization,as conversion rates are usually reported in conversions per second or milliseconds,not seconds.This may be a typo,and the intended conversion time is 256 milliseconds or something similar,but we’ll leave it as is,based on the information available).However,based on common sense,it’s assumed that the conversion time is relatively fast and sufficient for general applications.

Accuracy:0.20%full scale 25°C absolute accuracy,-0.00428%full scale/°C voltage accuracy drift,0.00407%full scale/°C current input.

Supply Voltage:Requires external supply voltage range of 10.5-31.2VDC,nominal supply voltage is 24VDC.

Supply Current:Requires 60mA supply current.

Dimensions:3.7 x 2.1 x 31.8 inches,DIN rail mountable or panel mountable.

3.Application and Function

Connected equipment:can connect field transmitters,analog indicating instruments,recorders,process loop controllers and other analog instruments that generate compatible signal ranges.

Indicator light:with power and status indicator lights,it is convenient for users to monitor the working status of the module.

Installation method:terminal base is required for installation and connection of input signal wiring.Compatible terminal bases include 1794-TB2,1794-TB3,etc.

Data format:successive approximate conversion is used,and the converted data is saved in EFT-aligned,16-bit 2s complement data format.

Allen-Bradley 1794-IE8

4.Other parameters

Maximum power consumption:3W(at 31.2V DC).

Heat dissipation:10.2BTU/hour(at 31.2V DC).

Operating temperature range:-20 to 55 degrees Celsius(operating),-40 to 85 degrees Celsius(storage).

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