Mitsubishi Electric MELSEC iQ-F FX5 Programming Manual page 130

Processing details
• This instruction turns OFF the annunciator specified by (d) when the execution command turns ON.
• An annunciator number (F number) that turns OFF is deleted from special registers (SD64 to SD79) and the content of
SD63 is decremented by 1.
• When the content of SD63 is 16, annunciator numbers are deleted from SD64 to SD79 by the RST instruction. Also, if an
annunciator not registered in SD64 to SD79 turns ON, its number is registered. When there are two or more unregistered
numbers, this instruction adds the numbers starting from the smallest annunciator number. SD63 is not decremented by 1
when the numbers not registered in SD64 to SD79 are turned OFF.
SD63 16
SD64 233
SD65 90
SD66 700
SD67 28
SD78 145
SD79 1027
(1): F90 is reset.
(2): When F number that is not registered in SD79 is stored, this remains as 16. When SD79 is 0, the number is decremented by -1 to become 15.
(3): The F number in SD66 is shifted to this area.
(4): F number of SD67 is stored.
(5): Not registered F number or 0 is stored.
■Related devices
Device
SD62
SD63
SD64 to SD79
Operation error
There is no operation error.
6 SEQUENCE INSTRUCTIONS
128
6.3 Output Instructions
SD63
SD64
(1)
SD65
SD66
SD77
SD78
SD79
Name
Annunciator (F) Detection No.
Annunciator (F) Detection Number
Annunciator (F) Detection No. table
(2)
16 or 15
233
(3)
700
28 (4)
145
1027
(5)
Remarks
This register stores the earliest detected annunciator (F) No..
This register stores the number of annunciator (F) detections.
This register stores the annunciator (F) detection No..