Publication 1766-RM001A-EN-P - October 2008
System Status File 559
Future Access (OEM Lock)
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 52 for more
information.
First Scan Bit
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.
.
STI Mode
STI Pending
This address is duplicated at STI:0/UIP. SeeUsing the Selectable Timed
Interrupt (STI) Function File on page 318 for more information.
ATTENTION
!
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.
Address Data Format Range Type User Program Access
S:1/14 binary 0 or 1 status read only
Address Data Format Range Type User Program Access
S:1/15 binary 0 or 1 status read/write
NOTE
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.
Address
(1)
(1) This bit can only be accessed via ladder logic. It cannot be accessed via communications (such as a Message
instruction from another device).
Data Format Range Type User Program Access
S:2/0 binary 0 or 1 status read only
efesotomasyon.com - Allen Bradley,Rockwell,plc,servo,drive
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