Mitsubishi Electric NZ2GFCF-D62PD2 User Manual page 170

(6) Operation example of the rotation speed measurement function
The following figure shows an operation example with the following settings.
• CH Time unit setting (Rotation speed measurement) (RWw18, RWw30): 0.01s
• CH Moving average count (Rotation speed measurement) (RWw19, RWw31): 3
• CH Number of pulses per rotation (RWw1A to RWw1B, RWw32 to RWw33): 1000
Controlled by the high-speed counter module
Controlled by the program
CH
(Rotation speed measurement)
(Rotation speed measurement)
CH Number of pulses per rotation
(RWw1A to RWw1B, RWw32 to RWw33)
CH Measured rotation speed value
(RWr1A to RWr1B, RWr32 to RWr33)
CH Rotation speed measurement flag
(Measured rotation speed value)
CH
(Measured rotation speed value)
CH
(Measured rotation speed value)
168
Count enable command
(RY24, RY3C)
CH Time unit setting
(RWw18, RWw30)
CH Moving average count
(RWw19, RWw31)
Rotation speed
(RWr20.b5, RWr38.b5)
CH Update flag
(RX2D, RX45)
Update flag reset command
(RY2C, RY44)
Update flag reset completed
(RX2C, RX44)
ON
1)
OFF
10000
5000
T T T
0
0
1
0
OFF
OFF
OFF
T: Rotation speed measurement time unit
5)
0
3
1000
T T
Time
6667 7667 6667
ON
2) 4)
ON
3)
ON