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User Guide 

AI-1000-CV User Guide 

Overview

 

The AI-1000-CV Analog Load Cell Interface is used to capture low level 
mV/V signals from a resistive bridge type load cell and convert it into a high 
level 0-5 V DC voltage output and/or a 4-20 mA current output compatible 
with PLCs and DAQs. It can be used with any resistive load cell. It is similar 
to the AI-1000 product which only offers the voltage output. This interface 
offers BOTH voltage and current output options. 

Features 

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Compatible with all resistive bridge type load cells with mV/V output 

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Powered by 24V DC power supply (provided by user) 

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Input power to load cell can be set (suggested value is 9V) 

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Tunable for easy calibration of your load cell 

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Grommets to protect inlet and outlet 

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Lid with O-Ring to protect enclosure from the elements 

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Two mounting tabs with through holes to fasten unit into your assembly 

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One AI-1000-CV needed per load cell 

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Load Cell must be calibrated with AI-1000-CV prior to use 

Product Dimensions 

4.5 in x 2.7 in x 1.6 in 

 

Summary of Contents for AI-1000-CV

Page 1: ... voltage output This interface offers BOTH voltage and current output options Features Compatible with all resistive bridge type load cells with mV V output Powered by 24V DC power supply provided by user Input power to load cell can be set suggested value is 9V Tunable for easy calibration of your load cell Grommets to protect inlet and outlet Lid with O Ring to protect enclosure from the element...

Page 2: ...put o It is useful to solder one side of the wire so it is easier to connect the ground cables later 2 Insert the wire for the output through the right hole and insert the wire coming out of the loadcell in the left hole as shown in the picture below o Remove the grommet caps and insert the cables through the caps before inserting it through the hole to fasten into terminal block ...

Page 3: ...own except in special cases such as RRP1 In such a case please refer to the loadcell wiring for the correct colors 4 Switch the number 2 switch to the on position o 1 Switch Turn on if you wish the Output to be 0 10 V By default it is in the 0 5 V range o 2 Switch On allows the zero level to be adjusted with more resolution Keep it On ...

Page 4: ...ct the black output to the soldered black wires on the output cable 3 To measure voltage connect the Input V on the multimeter to the green wire from the output cable o Make sure the Multimeter is set to measure voltage by pressing DC V 4 To measure current connect the Input I fused on the multimeter to the white wire from the output cable o Make sure the Multimeter is set to measure current by pr...

Page 5: ...ust RVO and or RIO to set the initial voltage current level without any load or zero load o Adjust RVS and or RIS to max voltage 4 5 V or max current 20 mA when full load is applied o Adjust the RVO and RVS or the RIO and RIS iteratively until the output meets your target outputs Once calibrated you MUST use the same AI 1000 CV with the same load cell to ensure the accuracy of the signal ...

Page 6: ...g the potentiometers please be gentle with the potentiometers Pots turns and don t overdo it If changing the Pots does not change the output voltage as expected then make sure to check your load cell independently of the AI 1000 CV and then try again ...

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