Mitsubishi MELSEC Q Series Programming Manual page 1198

Number
Name
CH1 counter
SM1896 function selection
start command
CH1 external
preset (phase Z)
SM1897
request detection
reset command
CH1 pulse
SM1898 measurement
start command
CH1 error reset
SM1899
command
CH2 counter
SM1900 value greater
(No.1)
CH2 counter
SM1901 value coincidence
(No.1)
CH2 counter
SM1902 value smaller
(No.1)
CH2 counter
SM1903 value greater
(No.2)
App-190
Meaning
• This relay is turned on to start the selected
counter function.
• When the count disabling function is
selected, the command is valid while this
relay is on.
• When the latch counter function or the
Starts the selected
sampling counter function is selected, the
counter function.
command is valid at the rise of this relay
(off → on).
The on time must be held for at least 2ms.
• When the count disabling/preset function or
the latch counter/preset function is
selected, the command is invalid.
• This relay is turned on to reset CH1
external preset (phase Z) request
Resets CH1 external detection.
preset (phase Z) • The command is valid at the rise of this
relay (off → on).
request detection.
• The on and off time must be held for at
least 2ms.
Starts pulse • This relay is turned on to measure pulses.
measurement. • The command is valid while this relay is on.
• This relay is turned on to reset the CH1
error.
• The command is valid at the rise of this
Resets the CH1 error.
relay (off → on).
• The on and off time must be held for at
least 2ms.
OFF : Coincidence • This relay turns on when "current value of
point (No.1) or CH2 > coincidence output No.1 point
smaller setting value" is met.
ON : Greater than • This relay turns off when "current value of
CH2 ≤ coincidence output No.1 point setting
coincidence point
(No.1) value" is met.
• This relay turns on when "current value of
CH2 = coincidence output No.1 point
OFF : Not detected
setting value" is met.
ON : Detected
• This relay is turned off by turning on CH2
coincidence signal No.1 reset command.
OFF : Coincidence • This relay turns on when "current value of
point (No.1) or CH2 < coincidence output No.1 point
greater setting value" is met.
ON : Smaller than • This relay turns off when "current value of
CH2 ≥ coincidence output No.1 point
coincidence point
(No.1) setting value" is met.
OFF : Coincidence • This relay turns on when "current value of
point (No.2) or CH2 > coincidence output No.2 point
smaller setting value" is met.
ON : Greater than • This relay turns off when "current value of
CH2 ≤ coincidence output No.2 point setting
coincidence point
(No.2) value" is met.
Explanation
Corres-
ponding
Set by Corresponding
ACPU
(When Set)
M9
U
New
S
(Every END
processing)
S
(Status
change/
Every END
processing)
S
(Every END
processing)
CPU
LCPU