5-13
5 I/O Memory
CP2E CPU Unit Software User’s Manual(W614)
5-6 Timer Area (T)
5
5-6 Timer Area (T)
The Timer Area contains Timer Completion Flags (1 bit each) and timer PVs (16 bits each). The Com-
pletion Flag is turned ON when a decrementing timer PV reaches 0 (counting out) or an increment-
ing/decrementing timer PV reaches the set value or 0.
Timer numbers range from T0 to T255.
z Types of Timers
The following table shows which instructions are used to refresh timer PVs in BCD and binary mode.
Timer numbers 0 to 255 are used by all timers listed above.
Note Only timer numbers 0 to 15 can be used in 1ms TIMER (TMHH/TMHHX).
z Timer Example: Timer Number 0 and a Timer Set Value of 1 s
Overview
Notation
Range
Details
Timer instruction BCD mode Binary mode
HUNDRED-MS TIMER TIM TIMX
TEN-MS TIMER TIMH TIMHX
ONE-MS TIMER TMHH TMHHX
ACCUMULATIVE TIMER TTIM TTIMX
T
Time number: 002
I/O memory area designator: T
002
· BCD mode
· Binary mode
Timer Completion Flag
Timer Completion Flag
TIM
000
#10
TIMX
000
#A
T000
T000
or &10
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