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Allocated CIO Area Words Section 3-2
• Unit status area 2 (word n+11)
• Master Status 1 (word n+12)
Word n [n = CIO 1,500 + (25 x unit number)]
Bit Name Status Con-
trolled
by
Unit operation Operation condi-
tions
Default
setting
CPU
Unit
oper-
ating
mode
Mas-
ter
func-
tion
Scan
list
sta-
tus
00 Scan List
Enable
Switch
OFF→
ON
User Enables the scan list with fixed allocations.
Note The allocated words are the ones set for use
when with the scan list is disabled.
The following allocated words are the default settings
when the scan list is disabled.
• OUT area: CIO 3200 to CIO 3263 (1 word/1 node ad-
dress)
• IN area: CIO 3300 to CIO 3363 (1 word/1 node ad-
dress)
Pro-
gram
mode
En-
abled
Dis-
abled
Scan
list dis-
abled
OFF Unit Returns to OFF when the scan list is registered and the
Unit starts operating with the scan list enabled.
01 Scan List
Clear
Switch
OFF→
ON
User Clears and disables the scan list.
This switch clears the scan list and operates the Unit
using fixed allocations with the scan list disabled
regardless of the previous operation settings. The fixed
allocations used the last time the scan list was disabled
will be used.
Pro-
gram
mode
En-
abled
En-
abled
Scan
list dis-
abled
OFF Unit Returns to OFF when the scan list data is cleared and
the Unit starts operating with the scan list disabled.