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Posted

hello! recently i had some problems with cp1w-mad 11 configurantion . i have some doubts: i have 2 outputs 4-20 mA from a flowmeter and i need to read the values from it. in the code i have 8000 value on both inputs.

and what is the range for two 4-20 mA analog inputs?


Posted
7 hours ago, beatriz said:

hello! recently i had some problems with cp1w-mad 11 configurantion . i have some doubts: i have 2 outputs 4-20 mA from a flowmeter and i need to read the values from it. in the code i have 8000 value on both inputs.

and what is the range for two 4-20 mA analog inputs?

Is this a new installation?

Have you set the parameters for the analog card?

Posted (edited)

image.thumb.png.f5360fb453662627e455fa76ef996f02.png

This is from the manual for CP1L.

You have to use the "First Scan" flag to set the card parameter, for 4 to 20mA you would use the Range Code 010.

The above example shows the value for the entire 16bits.

#800A = 1000 0000 0000 1010

It sets the card for 1x 0 to 10v & 1 x 4-20mA (or 1-5V) analog inputs and 1x -10 to +10V analog output.

For 2 x 4 - 20mA inputs the bit pattern would be 

1000 0000 0001 0010

Edited by Moggie

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