5
- 7
5.2 Selecting Counter Format
5.2.2 Selecting the ring counter
5
FUNCTIONS
d) Setting example
Figure 5.4 Ring counter operation example 1
When the count is enabled with a ring counter lower limit value
(
Un\G0 and
1
)
of 0, ring counter upper limit value
(
Un\G2 and 3
)
of 2000, and present
value A
(
Un\G10 and 11
)
/present value B
(
Un\G200 and 201
)
of 500
Addition
Subtraction
0
+2147483647
Ring counter upper
limit value (2000)
Ring counter lower
limit value (0)
-2147483648
Present counter value
1000
1998
1999
0
1
2
(2000)
2000 of ring counter upper limit value (Un\G2 and 3) is
not stored in present value A (Un\G10 and 11)/present
value B (Un\G200 and 201).
Ring counter lower limit value
Ring counter upper limit value
