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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
367
5.3.6.12
Float/Integer converter (LOGO! 8.FS4 and later versions only)
Short description
This function convert a float stored in VM to an integer and output the result via the
parameter (eAQ) or AQ.
LOGO! only deals with integers. If you transfer some float from outer system by network with
S7/Modbus protocol, LOGO! cannot deal with it directly. With float to integer converter, you
can convert floating numbers stored in VM to integers. This SFB does the conversion by
dividing the float by a resolution. You need to set a suitable resolution for the input float in
the parameter tab.
Connection
Description
Analog output
AQ
AQ is the analog output value. It has the following features.
• Used as input value of the other function block.
• Signed 16 bit value.
• Range of values: -32768 to 32767.
Extended analog
output
eAQ
Extended analog output for programming via parameter reference.
• Used as a reference parameter of the other function block.
• Signed 32 bits value.
• Range of values: -999,999,999 to 999,999,999.
Parameter
Par
• Type: It specifies the type of input data.
– Float: it is a 32 bits single-precision float number;
– Double: it is a 64 bits double-precision float number.
• VM: Variable Memory Address, starting address of float or double stored in
VM.
Range of values:
– For Float: 0-847
– For Double: 0-843
• Resolution: it’s a divider for input data.
• Range of values: 0.001 to 1000
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