User`s manual

148
(6) Operation example of the frequency measurement function
Number Description
1)
Perform the following operations when CH1 Count enable command (Y06) is turned on:
• Latch the values in CH1 Time unit setting (frequency measurement) (Un\G1100) and CH1 Moving average count (frequency
measurement) (Un\G1101). (The change of the setting values during the frequency measurement is ignored.)
• Reset CH1 Measured frequency value update flag (Un\G1131) to 0
H
: Not updated.
• Clear the values in CH1 Measured frequency value (Un\G1132, Un\G1133) to 0.
Also, 1
H
: Operating is stored in CH1 Frequency measurement flag (Un\G1130) when CH1 Count enable command (Y06) is
turned on.
2)
The following operation is performed when the measured frequency value is stored in CH1 Measured frequency value
(Un\G1132, Un\G1133):
•1
H
: Updated is stored in CH1 Measured frequency value update flag (Un\G1131).
3)
Reset CH1 Measured frequency value update flag (Un\G1131) to 0
H
: Not updated by setting CH1 Measured frequency value
update flag reset command (Un\G1120) to 1
H
: Reset.
CH1 Measured frequency value update flag reset command (Un\G1120) is automatically reset to 0
H
: Not reset after the
completion of the reset.
4)
CH1 Measured frequency value (Un\G1132, Un\G1133) is updated when 1
H
: Updated is stored in CH1 Measured frequency
value update flag (Un\G1131).
5)
0
H
: Not operating is stored in CH1 Frequency measurement flag (Un\G1130) by turning off CH1 Count enable command (Y06).
Frequency
10000
T
T
5000
0
Time
0
3)
2)
1) 5)
4)
0
T: Frequency measurement time unit
CH1 Count enable command
(Y06)
CH1 Time unit setting
(frequency measurement)
(Un\G1100)
CH1 Moving average count
(frequency measurement)
(Un\G1101)
CH1 Measured frequency value
(Un\G1132, Un\G1133)
CH1 Frequency measurement flag
(Un\G1130)
CH1 Measured frequency value
update flag
(Un\G1131)
CH1 Measured frequency value
update flag reset command
(Un\G1120)
XXX YYY ZZZ
Updated (1H)
Not updated (0
H)
Reset (1
H)
Not reset (0
H)
Operating (1
H)
Not operating (0
H)
0
3