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ISaGRAF 024

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  Q:How to scale analog input and output of 4 to 20 mA to my engineering format ? How to scale analog  
      input and output of 0 to 10 V to my engineering format ?

 

I-7188EG : ver. 2.04 or later I-7188XG : ver. 2.03 or later
I-8xx7 : ver. 3.06 or later W-8x37 : ver. 3.15 or later

 

  The above driver all support the below scaling functions to convert (4 to 20mA) or (0 to 10V) to user¡¦s engineering format.

A4_20_to scaling analog input (4 to 20 mA) to user's engineering format.
V0_10_to scaling analog input (0 to 10 V) to user's engineering format.
to_A4_20 scaling user's engineering format to analog output (4 to 20 mA).
to_V0_10 scaling user's engineering format to analog output (0 to 10 V).

  For example:

  1. Scale I-8017H ¡¥s current input with range setting as 6: (-20 to +20 mA) to user¡¦s engineering format of ( 0 to 100 psi).
      4 mA means 0 psi , 20 mA means 100 psi

  2. Scale ( 0 to 3000 rpm) to I-8024¡¦s current output with range setting of 30: (0 to 20 mA). 0 rpm should output 4 mA , 3000
       rpm outputs as 20 mA.

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Written by Chun Tsai 

Date:2005/06/23