5 SEQUENCE INSTRUCTIONS
5.3 Output Instructions
119
5
Resetting annunciator (smallest number reset)
ANR(P)
This instruction resets the lowest number annunciator (F device) in the ON status.
• Annunciator (F device) that is operating (in ON status) is reset when the command input turns ON.
This instruction resets the annunciator with the smallest number when multiple annunciators are ON. If the command input is
turned ON again, this instruction resets the annunciator with the next smallest number among annunciators (F devices) that
are operating.
â– Related devices
• When ANR instruction is used, annunciators in the ON status are reset in turn in each operation cycle.
• This is executed for only 1 operation cycle (only once) when the ANRP instruction is used.
There is no error.
Ladder diagram Structured text
ENO:=ANR(EN);
ENO:=ANRP(EN);
Device Name Remarks
SM8049 On status annunciator smallest number
enabled
When SM8049 is turned ON, SM8048 and SD8049 are enabled.
SM8048 Annunciator operation When one of the F devices is operating, SM8048 turns ON.
SD8049 On status annunciator smallest number The smallest number of the F devices that are operating is stored.
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