Chapter 5 Power Supply / CPU
5- 11
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 Maximum timing error of timers of MASTER-K series is ‘1 scan time + the time from 0 step to timer instruction’
Timer input condition
Timer output relay
Preset value (PV)
Current value
PT
(On operation)