Mitsubishi Electric MELSECQ Series User Manual page 63

5
FUNCTIONS
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d) Setting example
When the count is enabled with a ring counter lower limit value
)
1 of 0, ring counter upper limit value
value A
Subtraction
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).
Figure 5.4 Ring counter operation example 1
search engine
( )
Un\G10 and 11 /present value B
Present counter value
1000
0
Ring counter upper limit value
Ring counter lower limit value
(2000)
1998 1999 0 1
5.2.2 Selecting the ring counter
( )
Un\G2 and 3 of 2000, and present
(
Un\G200 and 201
Addition
2
5.2 Selecting Counter Format
1
( Un\G0 and
)
of 500
2
+2147483647
Ring counter upper
limit value (2000)
3
Ring counter lower
limit value (0)
-2147483648
4
5
6
7
8
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