Filter
Top Products
3 - 8 3 - 8
MELSEC-Q
3 SPECIFICATIONS
(2) Output signals
Device No.
CH1 CH2
Signal name
CPU module QD62(E/D)
Operation
timing
Description
Y0 Y8
Coincidence signal No.1 reset
command
This signal is turned on to reset CH Counter value
coincidence (point No.1) (X2, X9).
Y1 Y9 Preset command
This signal is turned on to perform the preset function.
Y2 YA
Coincidence signal enable
command
This signal is turned on to output the status of CH
Counter value coincidence (point No.1) (X2, X9) and
CH
Counter value coincidence (point No.2) (X6, XD)
to the external terminal.
Y3 YB Down count command
This signal is turned on to count down pulses in the 1-
phase pulse input mode.
The module counts down pulses when the phase B
pulse input or CH
Down count command (Y3, YB) is
turned on.
For counting up, check that the phase B pulse input and
CH
Down count command (Y3, YB) are off.
Y4 YC Count enable command
This signal is turned on to perform counting operation.
Y5 YD
External preset detection reset
command
This signal is turned on to reset CH External preset
request detection (X4, XB).
This signal is turned on to perform the selected counter
function.
• Latch counter function
• Sampling counter function
Y6 YE
Counter function selection start
command
• Count disable function
• Periodic pulse counter function
Y7 YF
Coincidence signal No.2 reset
command
This signal is turned on to reset CH Counter value
coincidence (point No.2) (X6, XD).
REMARK
The symbols used in the operation timing column signify the following:
•
………
Enabled while the signal is in ON status.
•
………
Enabled at signal rise (from OFF to ON).