Publication 1747-RM001G-EN-P - November 2008
SLC 5/03 (OS30x), SLC 5/04 (OS40x) and SLC 5/05 (OS50x) Firmware History A-5
• Remote I/O (RIO) Passthru via a 1747-SN Scanner Module (OS401
only)
Allows an SLC 5/04 processor to act as a bridge between DH+ and
RIO. Remote I/O passthru also supports uploads/downloads of
applications to RIO devices.
• Program Memory of 12K, 28K, or 60K words and 4K of additional data
words (OS401 only)
Offers a variety of modular processors that fit a variety of memory
requirements.
Catalog # Memory
Previous: 1747-L542 20k words + 4k
New: 1747-L541
1747-L542
1747-L543
12k words + 4k
28k words + 4k
60k words + 4k
OS401, Series A, FRN 6
released: May 1996
Enhancements
None
OS302, Series B, FRN 10
OS401, Series B, FRN 7
released: July 1997
Enhancements
• Day of the Week
System Status File word S:53 = 0 for Sunday, 1 for Monday, up to 6 for
Saturday. It will contain a random value until a legal date is entered into
the System Status File. A download of a user program with a valid date
or manual entry of a valid date will work. Once a value is entered, it will
be non-volatile.
Special Note
This is the first firmware release for the 8k SLC 5/03.
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