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3.3 I/O Signals to the Programmable Controller CPU
3.3.2 Functions of I/O signals
3
SPECIFICATIONS
(13)Latch counter execution command (Y07)
• When the latch counter execution command (Y07) is turned from OFF to ON, the
present value (Un\G12 and 13) is stored in the latch count value (Un\G14 and
15).
• Turn OFF the latch counter execution command (Y07) after the present value
(Un\G12 and 13) is stored in the latch count value (Un\G14 and 15).
Figure 3.17 Operation of the latch counter execution command (Y07)
(14)External preset request detection reset command (Y08)
• Turn ON to turn OFF the external preset request detection (X08).
(15)Continuous comparison No.1 execution command (Y09), continuous
comparison No.2 execution command (Y0A)
• Turn ON to execute the continuous comparison function. (Refer to Section 5.3.2.)
(16)Coincidence output No.1 test command (Y0B), coincidence output No.2
test command (Y0C)
• Turn ON to execute the coincidence output test function. (Refer to Section 5.3.3.)
(17)Error reset command (Y0D)
• Turn ON to reset the error and warning.
• After fixing the cause of the error, reset the error code so that the newly detected
errors can be checked.
031
04123
* t 2ms
t* t*
OFF
ON
OFF
ON
Operation by the QD64D2
Present value
(Un\G12 and 13)
Latch counter execution command
(Y07)
Latch count value
(Un\G14 and 15)