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Reference material
5.3 Special functions
LOGO!Soft Comfort Online Help
Operating Instructions, 11/2017
303
Parameter
V1:
Value 1: First operand
V2:
Value 2: Second operand
V3:
Value 3: Third operand
V4:
Value 4: Fourth operand
Range of values: -32768 to 32767
Operator 1:
First operator
Operator 2:
Second operator
Operator 3:
Third operator
Priority 1:
Priority of first operation
Priority 2:
Priority of second operation
Priority 3:
Priority of third operation
p:
Number of decimals
Possible settings: 0, 1, 2, 3
Output
AQ
The output AQ is the result of the equation formed from the operand values and
operators. AQ will be set to 32767 if a divide by 0 or overflow occurs, and -32768
if a negative overflow (underflow) occurs.
0BA1- 0BA5:
The mathematic instruction function block did not exist prior to 0BA6.
Parameters V1, V2, V3, and V4
The values V1, V2, V3, and V4 can be provided by the actual value of another already-
programmed function:
Analog comparator: Ax - Ay
Analog threshold trigger: Ax
Analog amplifier: Ax
Analog multiplexer: AQ
Analog ramp: AQ
Mathematic instruction: AQ
PI controller: AQ
Up/Down counter: Cnt
For the
0BA7
and
0BA8
devices, you can additionally use the actual values of the following
already-programmed functions:
On-delay: Ta
Off-delay: Ta
On-/off-delay: Ta
Retentive on-delay: Ta
Wiping relay(pulse output): Ta
Edge triggered wiping relay: Ta
303


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