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ATTENTION
!
Future Access (OEM Lock)
Address
Data Format
S:1/14
binary
When this bit is set (1), it indicates that the programming device must
have an exact copy of the controller program.
SeeAllow Future Access Setting (OEM Lock) on page 47 for more
information.
First Scan Bit
Address
Data Format
S:1/15
binary
When the controller sets (1) this bit, it indicates that the first scan of the
user program is in progress (following entry into an executing mode). The
controller clears this bit after the first scan.
.
NOTE
STI Mode
STI Pending
(1)
Address
S:2/0
(1) This bit can only be accessed via ladder logic. It cannot be accessed via communications (such as a Message
instruction from another device).
This address is duplicated at STI:0/UIP. SeeUsing the Selectable Timed
Interrupt (STI) Function File on page 268 for more information.
If you clear the Major Error Halted bit (S:1/13) when the
controller mode switch is in the RUN position, the
controller immediately enters the RUN mode.
Range
0 or 1
Range
0 or 1
The First Scan bit (S:1/15) is set during execution of the
start-up protection fault routine. Refer to S:1/9 for more
information.
Data Format
Range
binary
0 or 1
System Status File
Type
User Program Access
status
read only
Type
User Program Access
status
read/write
Type
User Program Access
status
read only
Publication 1763-RM001C-EN-P - October 2009
473
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