5.12 Standard Timer Function Blocks
5.12.3 Off delay timer
5-211
5
APPLICATION
FUNCTIONS
TOF(_E),
TOF_HIGH(_E)
TOF(_E), TOF_HIGH(_E)
5.12.3 Off delay timer
TOF(_E), TOF_HIGH(_E)
Function
Operation processing
Turns ON when is turned ON.
Turns OFF when is turned from ON to OFF after the elapse of the time set to . Elapsed
time until is turned OFF is set to .
When is turned ON again, turns ON and the elapsed time is reset.
(1) TP(_E)
Uses a low-speed timer to count the elapsed time.
Output time can be set between 1ms and 1000ms. The unit is set in Timer limit setting on the
PLC system of PLC parameter.
(2) TP_HIGH(_E)
Uses a high-speed timer to count the elapsed time.
Output time can be set between 1ms and 1000ms. The unit is set in Timer limit setting on the
PLC system of PLC parameter.
TOF(_E), TOF_HIGH(_E)
_E: With EN/ENO
indicates any of the following
functions.
TOF TOF_E
TOF_HIGH TOF_HIGH_E
Input argument, EN:
Executing condition (TRUE: Execution, FALSE: Stop) :Bit
s:
Input :Bit
n:
Delay time setting value :Time
Output argument, ENO:
Output status (TRUE: Normal, FALSE: Error or stop) :Bit
d1:
Output :Bit
d2:
Elapsed time :Time
Universal
UD
High
Performance
Structured ladder
TOF_HIGH_E
EN ENO
s
n
d1
d2
ST
TOF_HIGH_E
(EN, s, n, d1, d2);ENO:=
d1
s
d1
s
n
d1
d2
s
d1