
Multi-Function Control ETMFC610
http://www.entecene.co.kr
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7.1.6.6. Oneshot Logic
PLC has 8 oneshot logics.
Each time input A is 1, output B outputs 1 Pulse. Even when input A is 1 continuously, output
B does not output.
A is input into user logic
“
IOS
□”
.
B is output as
“
OS
□”
.
Figure 7-21. Oneshot Logic Symbol
7.1.6.7. PLC Setting Example
The user can use the inner timer and counter used for PLC setting and the EVENTs that occur
within to logically map out for easier control of input/output. For operators used in logical
mapping, refer to
“Table 7-6. Operator Symbols”
.
Table 7-6. Operator Symbols
OPERATOR
DESCRIPTION
*
“AND” - when all the inputs are 1, the output is 1.
+
“OR” – when one of the inputs is 1, the output is 1..
!
“NOT” – when the input is 1, the output is 0.
( )
-
This operation is performed first.
1
-
When outputting directly, the output is 1.
0
-
When outputting directly, the output is 0.
-
Buffer output.
A
OS□
B