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6 CONVENIENT USAGE
6.2 Using the Disable Count Function
Count enable command
{Y04(Y0C)}
Y06(Y0E)
Count function
selection start
command
Function start input
Present value storage buffer memory
{Addresses 2
to 3
(22
H
H
6 - 4
The disable count function stops the count operation while the count enable command
is ON.
The relationships between the count enable command, counter function selection start
command and the present counter value are illustrated below.
ON
OFF
ON
OFF
ON
OFF
)}
to 23
H
H
0
Stops count
operation
Number
1)
Count operation starts when the count enable command {Y04 (Y0C)} turns ON.
Count operation stops when the counter function selection start command {Y06
2)
(Y0E)} turns ON.
Count operation resumes when the counter function selection start command
3)
{Y06 (Y0E)} turns OFF.
Count operation stops when the count function selection start command
4)
(function start input) turns on.
Count operation resumes when the count function selection start command
5)
(function start input) turns off.
6)
Count operation stops when the count enable command turns OFF.
Count operation stops regardless of the status of the counter function selection
7)
start command since the count enable command is OFF.
Count operation stays stopped even if the count enable command turns ON,
8)
since the counter function selection start command is ON.
Count operation resumes when the counter function selection start command
9)
turns OFF.
1)
2)
3)
4)
5)
Stops
Stops
count
count
operation
operation
Description
MELSEC-Q
6)
8)
7)
9)
Pulse actually entered
The count value to be stored
in the present value storage
buffer memory
Stops count operation
6 - 4
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