Installation manual

Publication 1747-RM001G-EN-P - November 2008
B-16 SLC Status File
S:2/9 Static Config Memory Module Program Compare
When this bit is set inside a valid program that is contained in
a memory module, no modification of the NVRAM user
program files is allowed. This includes online editing, program
downloading, and clear memory commands. Use this feature to
prevent a programming device from altering the NVRAM
program from the program contained in the Memory Module. If
a memory module is installed with this bit set, and a different
NVRAM user program is contained in NVRAM, the processor
will not enter the Run mode. You must transfer the memory
module program to NVRAM in order to enter the Run mode.
•••
S:2/10 Static Config STI Resolution Selection (1 ms or 10 ms) Bit
This bit is cleared by default. When clear, this bit uses a 10 ms
timebase for the STI Setpoint (S:30) value. For example, the
value 4 uses a 40 ms STI setpoint. When set, this bit uses a 1
ms timebase for the STI Setpoint (S:30). For example, the value
4 uses a 4 ms STI setpoint. To program this feature, use the
Data Monitor function to set, clear, or address this bit with
your ladder program.
•••
S:2/11 Status Discrete Input Interrupt Pending Bit
When set, this bit indicates that the DII accumulator (S:52)
equals the DII preset (S:50) and the ladder file number
specified by the DII file number (S:46) is waiting to be
executed. It is cleared when the DII file number (S:46) begins
executing, or on exit of the REM Run or REM Test mode.
•••
S:2/12 Dynamic
Config
Discrete Input Interrupt Enabled Bit
To program this feature, use the Data Monitor function to set,
clear, or address this bit with your ladder program. This bit is
set in its default condition. If set, it allows execution of the DII
Subroutine if the DII file (S:46) is non-zero. If clear, when the
interrupt occurs, the DII subroutine does not execute and the
DII Pending bit is set. The DII function continues to run anytime
the DII file (S:46) is non-zero. If the pending bit is set, the
enable bit is examined at the next end of scan.
•••
S:2/13 Status Discrete Input Interrupt Executing Bit
When set, this bit indicates that the DII interrupt has occurred
and the DII subroutine is currently being executed. This bit is
cleared on completion of the DII routine, power up, or REM Run
mode entry.
Application example: You can examine this bit in your fault
routine to determine if your DII was executing when the fault
occurred.
•••
Table B.2 Status File Functions (Continued)
Address Classification Description Fixed
5/01
5/02 5/03 5/04 5/05