User`s manual

157
CHAPTER 4 FUNCTION
4
4.15 Pulse Measurement Function
(6) Update timing of the measured values of pulses
CH1 Measured pulse value (function input terminal) (Un\G1222, Un\G1223) and CH1 Measured pulse value
(latch counter input terminal) (Un\G1242, Un\G1243) are updated every 1ms.
So when the measurement is done twice or more within 1ms, only the latest measured value is stored in the
buffer memories.
(7) Operation example of the pulse measurement function
The following figure shows an operation example of the pulse measurement function when Pulse ON width is set
to the pulse measurement setting.
The explanations in the table below are for the measurement with the function input terminal (FUNC1). The same
can be applied to the measurement with the latch counter input terminal (LATCH1) except the difference of the
input terminal, signal, and buffer memories.
0
0
0
XXX
AAA
YYY
ZZZ
1) 5)
2)
3)
4) 6)
OFF
CH1 Count enable command
(Y06)
Function input terminal
(FUNC1)
Latch counter input terminal
(LATCH1)
CH1 Pulse measurement start command
(function input terminal)
(Un\G1210)
CH1 Measured pulse value
(function input terminal)
(Un\G1222, Un\G1223)
CH1 Measured pulse value update flag
(function input terminal)
(Un\G1221)
CH1 Measured pulse value update
flag reset command
(function input terminal)
(Un\G1211)
CH1 Pulse measurement flag
(function input terminal)
(Un\G1220)
CH1 Pulse measurement start command
(latch counter input terminal)
(Un\G1212)
CH1 Measured pulse value
(latch counter input terminal)
(Un\G1242, Un\G1243)
CH1 Measured pulse value update flag
(latch counter input terminal)
(Un\G1241)
CH1 Measured pulse value update
flag reset command
(latch counter input terminal)
(Un\G1213)
CH1 Pulse measurement flag
(latch counter input terminal)
(Un\G1240)
ON
OFF
ON
OFF
ON
Operating (1
H)
Not operating (0
H)
Operating (1
H)
Not operating (0
H)
Reset (1
H)
Not reset (0
H)
Updated (1
H)
Not updated (0
H)
Updated (1
H)
Not updated (0
H)
Measured (1
H)
Not measured (0
H)
Reset (1
H)
Not reset (0
H)
Measured (1
H)
Not measured (0
H)