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CHAPTER 8 FUNCTIONS
8
8.10 Per
iod
ic Pulse Cou
nter F
unct
ion
8.10
Periodic Pulse Counter Function
The periodic pulse counter function stores the values which are stored in CH
Present value (RWr10 to RWr11,
RWr28 to RWr29) and CH
Periodic pulse count, difference value (RWr12 to RWr13, RWr2A to RWr2B) in the remote
register every specified cycle time (T).
(1) Setting method of the periodic pulse counter function
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.
Select "3: Periodic Pulse Counter Function" in "CH
Counter function selection".
(2) Setting of the cycle time
Set the cycle time (T) by setting values to CH
Cycle setting (Sampling counter/Periodic pulse counter)
(RWw17, RWw2F) and CH
Time unit setting (Sampling counter/Periodic pulse counter) (RWw16, RWw2E).
When CH
Setting change request (Sampling counter/Periodic pulse counter) (RY27, RY3F) is turned off then
on, the setting values are enabled.
However, the setting values are enabled from the next operation of periodic pulse counter function if the setting is
changed while the periodic pulse counter function is being performed.
●
Change the cycle time by CH
Setting change request (Sampling counter/Periodic pulse counter) (RY27, RY3F). When
the cycle time is changed by Initial data processing completion flag (RY8) or Initial data setting request flag (RY9), the
items of the monitor value such as CH
Present value (RWr10 to RWr11, RWr28 to RWr29) are cleared.
●
When changing the cycle time by using CH
Setting change request (Sampling counter/Periodic pulse counter) (RY27,
RY3F), note the following:
Do not execute the periodic pulse counter function by CH
Function input terminal (FUNC1, FUNC2) from when CH
Setting change request (Sampling counter/Periodic pulse counter) (RY27, RY3F) is turned on until CH
Setting change
completed (Sampling counter/Periodic pulse counter) (RX27, RX3F) turns on. Doing so may perform counting with the
previous setting.
Setting item
Setting range
Reference
CH
Time unit setting (Sampling counter/Periodic pulse
counter) (RWw16, RWw2E)
0: 1ms
1: 10ms
CH
Cycle setting (Sampling counter/Periodic pulse counter)
(RWw17, RWw2F)
1 to 65535
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