Chapter 6 FBD Block Diagram Programming
175
MD (MUL-DIV) function block
There is a maximum of 250 MD (Multiplication and Division) function blocks under FBD mode, and the function is
same as Ladder mode.
Compute formula:
3
/
2
*
1
V
V
V
MD
=
Parameters V1, V2, and V3 can be a constant or other function current value. The output coil will be set to 1 when the
result is overflow or parameter V3 is zero.
Example:
AQ02 = MD01 = AT01*15/100
FBD display:
Enable Input
→
Parameter
→
Parameter display:
Stopping
Running
←
MD output value
Preset V1
→
←
Current value V1
Preset V2
→
←
Current value V2
Preset V3
→
←
Current value V3
MD and V1~V3, values range from -32768~32767
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