Mitsubishi Electric MELSEC iQ-R Series Programming Manual page 1995

■Operation result
1.
Function block without EN/ENO
The operation result will be as follows.
Operation result
No operation error
Operation error
• Timing chart
When n=T#5s (5s)
ON
(s)
OFF
(d1)
OFF
(d2) 0 0 1
(1)
(1) When (s) turns on, (d2) starts measuring time.
(2) When the time measured in (d2) reaches the time set in (n), (d1) turns on.
(3) When both (s) and (d1) turn off, the value in (d2) is initialized.
2.
Function block with EN/ENO
The execution conditions and operation results will be as follows.
Execution condition
EN
TRUE (executed)
FALSE (not executed)
• Timing chart
When n=T#5s (5s)
ON
EN
OFF
ON
(s)
OFF
ENO
(d1)
OFF
(d2) 0 0 1
(1)
(1) When (s) turns on while EN is on, (d2) starts measuring time.
(2) When the time measured in (d2) reaches the time set in (n), (d1) turns on.
(3) When both (s) and (d1) turn off while EN is on, the value in (d2) is initialized.
ON
2 3 4 5
(2)
Operation result
ENO
TRUE (no operation error)
FALSE (operation error)
FALSE
ON ON
ON
OFF
ON
2 3 4
(2)
(d1), (d2)
Operation result output value
Undefined value
ON
OFF
OFF
0 0 1 2
(3)
(d1), (d2)
Operation result output value
Previous output value
Previous output value
ON ON
OFF
OFF
5
(3)
36 COUNTER/TIMER FUNCTION BLOCKS
3 0
0
36.6 On Delay Timer
36
1993