10 BLOCK LINK EXAMPLES
10.9 Pulse Measurement
203
10
Operation
The following shows operation of pulse measurement.
No.
Description
(1)
When the input signal is turned on, the RUN terminal turns to High and counting per clock cycle starts.
(2)
When the input signal is turned off, the following two operations are simultaneously performed.
• The Latch terminal turns to High and the current count value is latched.
• The STOP terminal turns to High, counting per clock cycle stops and preset is performed.
0
10
0
10
(1)
(2)
OFF
ON
Low
High
Low
High
Low
High
Controlled by the flexible high-speed I/O control module
Latch terminal
STOP terminal
Input signal
RUN terminal
Count value
Latch value
Содержание MELSEC-L Series LD40PD01
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