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Siemens LOGO Soft Comfort Online Help Manual

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Reference material
5.3 Special functions
LOGO!Soft Comfort Online Help
Operating Instructions, 11/2017
369
Calculation rule
Define Q =Data Input/Resolution
Analog output (AQ)
● if -32768 ≤ Q ≤ 32767, the Analog output = Q.
● if the Q ≥ 32767, then Analog output = 32767.
● if the Q ≤ -32768, then Analog output = -32768.
Extended analog output (eAq)
● if -999,999,999 ≤ Q ≤ 999,999,999, the Extended analog output = Q.
● if the Q ≥ 999,999,999, then Extended analog output = 999,999,999.
● if the Q ≤ -999,999,999, then Extended analog output = -999,999,999.
5.3.6.13
Integer/Float converter (LOGO! 8.FS4 and later versions only)
Short description
This function converts integers to floats, and store them in VM.
LOGO! only deal with integers. If you transfer some float from outer system by network with
S7/Modbus protocol, LOGO! cannot deal with it directly. With this SFB, LOGO! can output
floating numbers. This SFB converts integers to floating numbers by multiplying a resolution
into the floating number. You need to set a suitable resolution for the input integers in the
parameter tab.
Connection
Description
Analog input
Ax
Input Ax is one of the following analog signals:
• AI1 to AI8 (*)
• AM1 to AM16 (if 0BA7), or AM1 to AM64 (if 0BA8)
• NAI1 to NAI32
• AQ1 to AQ2 (if 0BA7), or AQ1 to AQ8 (if 0BA8)
• NAQ1 to NAQ16
• Block number of a function with analog output
Extended analog
input
eAx
If the analog input (Ax) is not available, you can assign a value to Extended
analog input (eAQ) by inputting a value to the eAx field or referring to other FB's
parameter.
Range of values: -999,999,999 to 999,999,999
… 369 …


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