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CHAPTER 8 FUNCTIONS
8
8.2 Selecting Counter Type
8.2.2 Ring counter function
8.2.2 Ring counter function
(1) Operation of the ring counter
This function repeatedly counts pulses between the values stored in CH Ring counter lower limit (Un\G20,
Un\G21, Un\G52, Un\G53) and CH Ring counter upper limit (Un\G22, Un\G23, Un\G54, Un\G55).
In ring counter, an overflow error does not occur.
The preset function and the coincidence output function can be used together.
+2147483647
CH
Ring counter upper limit (Un\G22, Un\G23, Un\G54, Un\G55)
CH
Ring counter lower limit (Un\G20, Un\G21, Un\G52, Un\G53)
-2147483648
Present counter value
Counting up
0
Counting down