Basic Instructions
2 − 38
4
When the value in the elapsed value area EV reaches zero, the timer contact T with the same number
goes on.
T5
SV5
300
TML5, K300
EV5
0
4
Decrement operation ends
Y10
X0
Important points when specifying constant (K)
The constant (K) can be changed during RUN.
A specified constant (K) cannot be modified by index modification.
This program cannot be executed.
X0
TML5, I0K300
When the constant (K) is specified, the timer number cannot be modified by index modification.
This program cannot be executed.
X0
TML I05, K300
2) Using a word memory area for a timer setting
Timer operation when a word memory area is specified
A word memory area specified as a set value is used as a setting value area
1
When the execution condition (X0) for a high-level instruction goes on, the setting value is set in the
specified area (this explanation uses DT0 as an example).
The following diagram uses the F0 (MV) instruction as an example.
F0 MV, K30, DT0
X1
X0
T5
Y10
TML5, DT0
1
Transfer to set value area
DT0
30
Setting value
2
When the timer execution condition rises from off to on, the value is transferred from the setting value area
(DT0 in this example) to the elapsed value area EV with the same number as the timer.
(The same operation takes place if the mode is changed to RUN while the trigger (execution condition)
is on.)
To Next Page
Loading...
