Chapter 4 CPU modules MASTER-K
4-7
5) Retriggerable timer
The operation of retriggerable timer is same as that of monostable timer. Only difference
is that the retriggerable timer is not ignore the input condition of TRTG instruction while
the timer is operating (decreasing). The current value of retriggerable timer will be set as
preset value whenever the input condition of TRTG instruction is turned on.
Remark
The accuracy of timer:
The Maximum timing error of timers of MASTER-K series is + 2 scan time ~ - 1 scan time. Refer
the programming manual for details.
Timer in
ut condition
Timer out
ut rela
Preset value
PV
Current value
PT
On o
eration