95
CHAPTER 8 FUNCTIONS
8
8.2 C
ounter F
ormat Selectio
n
8.2.1 L
inear
co
unter fun
ction
8.2
Counter Format Selection
Set the counter format in the CC IE Field configuration.
1.
Set "Parameter write" for "Method selection".
"CC IE Field Configuration" window
Select a high-speed counter module in "List of stations"
[CC IE Field Configuration]
[Parameter Processing of Slave Station]
2.
Set "CH
Counter format".
8.2.1
Linear counter function
(1) Operation of the linear counter
• When the linear counter is selected, pulses are counted between -2147483648 (lower limit value) and
2147483647 (upper limit value).
• The preset/replace function and the comparison output function can be used together.
• The following figure shows the relationship between CH
Present value (RWr10 to RWr11, RWr28 to
RWr29) of the counter and remote registers at overflow and underflow for the linear counter function.
+2147483647
-2147483648
ON
OFF (0)
ON (1)
OFF (0)
ON (1)
OFF
Underflow
1)
Overflow
3)
4)
2)
0
T
1
or more
*1
T
1
or more
*1
CH Present value
(RWr10 to RWr11,
RWr28 to RWr29)
Controlled by the high-speed counter module
Controlled by the program
CH Underflow detection flag
(RWr20.b1, RWr38.b1)
CH Overflow detection flag
(RWr20.b2, RWr38.b2)
CH Preset/replace command
(RY21, RY39)
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