Introduction.

Workshop PG5
Resources
3.2.4 Counters
& Timers
31 Bit value ( 0 … 2 147 483 648)
T/C V NV
0 31 1599
Timers and counters can have a value between 0 and 2 147 483 648 (31Bit) and
they share the same address range: 0 to 1599. Usually addresses 0 to 31 is
dedicated to the timers, and addresses 32 to 1599 are dedicated to the counters.
Of course, you can configure this to your own personal settings. The timers by
default, have a time-base of 100ms. (This means that the system will decrease
every timer by one, every 100ms): The time base can be changed in the
“Software Settings”, along with configuring the timer/counter addresses.
Timers are volatile, counters are not.
Timers and Counters can only contain positive values. Their value can be
changed by loading a new value with the LD instruction.
Timer values decrease only. Counters can count up or down, using the instruction
INC/DEC. (Inc Dec ).
Timers and counters can also be used with binary instructions
When a timer or counter contains a non-zero value its state is High (1), when
its content is zero its state is Low (0).
Setup
Timer/Counters:
The distribution of the address range between timers and counters can be altered
in the " Software Settings ". This is also where you can change the timebase
of 100ms
The more timers you declare, the greater the load on the CPU. This is
also true if you lower the timebase. Take this into consideration before
you change the number of timers or lower the timebase.
Example: 100 timers will take about 2% of the CPU’s capacity.
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