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Reference material
5.3 Special functions
LOGO!Soft Comfort Online Help
368 Operating Instructions, 11/2017
Parameter
You can use the following parameters to control the float to integer converter:
Data Input
: The input for this SFB is from VM.
Type: You can chose the input data as
Float
or
Double
.
VM Address: You can specify the start VM address where the input float stores.
Size: The input float occupies 4 bytes while double occupies 8 bytes.
Range: Float (0~847), Double (0~843).
Resolution
: You can set the multiplier for the input float.
Range: 0.001~1000
Precision: 1/1000
Description of the function
You usually need both the blocks Float/Integer converter and Integer/Float converter to
complete a task. A typical way to use these function blocks is:
1. Transfer the floats from outer system by network (with S7/Modbus protocol) and store
them in VM.
2. Convert the floats stored in VM to integer by Float/Integer converter.
3. Process the integer with LOGO! BM.
4. Convert the result to floats by Integer/Float and store them in the VM.
5. Transfer the floats to outer system (with S7/Modbus protocol).
368


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