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230
Logical Functions and Timers [600]
Section 11-6
11-6-2 Logic Output Y [620]
By means of an expression editor, the comparator signals can be logically
combined into the Logic Y function.
The expression editor has the following features:
•
The following signals can be used:
CA1, CA2, CD1, CD2 or LZ (or LY)
•
The following signals can be inverted:
!A1, !A2, !D1, !D2, or !LZ (or !LY)
•
The following logical operators are available:
"+" : OR operator
"&" : AND operator
"^" : EXOR operator
Expressions according to the following truth table can be made:
The output signal can be programmed to the digital or relay outputs or used
as a Virtual Connection Source [560].
Communication information
The expression must be programmed by means of the menus [621] to [625].
Input
Result
A
B
& (AND)
+ (OR)
^
(EXOR)
0
0
0
0
0
0
1
0
1
1
1
0
0
1
1
1
1
1
1
0
Modbus Instance no/
DeviceNet no:
31035
Profibus slot/index
121/179
EtherCAT index (hex)
240b
Fieldbus format
Long
Modbus format
Text
620 LOGIC Y
Stp CA1&!A2&CD1
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