9
-
18
CHAPTER9 DEVICES
9
9.2 Int
ernal User Devices
9.2.5 Ann
unciator
(F)
(b) Processing after annunciator off
1) Data stored in the special register (SD62 to SD79) after execution of the LEDR
instruction
• The annunciator number in SD64 is deleted, and the other annunciator numbers in the register
addressed SD65 and after are shifted accordingly.
• The annunciator number in SD64 is stored into SD62.
• SD63 value is decremented by "1".
• If the SD63 value is changed to "0", SM62 is turned off.
2) Data stored in the special register (SD62 to SD79) when the annunciator is turned
off with the RST F or BKRST instruction
• The annunciator number specified with the RST or BKRST instruction is deleted, and the other
annunciator numbers in the register addressed SD65 and after are shifted accordingly.
• If the existing annunciator number in SD64 is turned off, a new annunciator number stored in SD64 will
be stored in SD62.
• SD63 value is decremented by "1".
• If the SD63 value is changed to "0", SM62 is turned off.
Figure 9.14 Processing after annunciator OFF (when the LEDR instruction executed)
Figure 9.15 Processing after annunciator OFF (when the REST F instruction is executed)
0
0
0
0
0
0
0
SD62
SD63
SD64
SD65
SD66
SD67
SD79
50
1
50
0
0
0
0
50
2
50
25
0
0
0
50
3
50
25
1023
0
0
SET F50
SET F25 SET F1023
25
2
25
1023
0
0
0
LEDR
0
0
0
0
0
0
0
SD62
SD63
SD64
SD65
SD66
SD67
SD79
50
1
50
0
0
0
0
50
2
50
25
0
0
0
50
3
50
25
1023
0
0
SET F50
SET F25 SET F1023
50
2
50
1023
0
0
0
RST F25
