Section 1 Introduction Product Release History
3BSE036351-510 A 57
• Built-in battery backup of memory (except for PM891 that uses external
battery backup only).
• External battery backup.
• CPU Redundancy (PM861/PM864/PM865/PM866/PM891).
• Redundant/sectioned CEX-Bus using a pair of BC810.
• Safety Integrity Level 2 certified controller using PM865/SM810/SM811.
• Safety Integrity Level 3 certified controller using PM865/SM811
• Support for hot swap of CEX-Bus units.
Product Release History
The AC 800M hardware platform has been allocated the initial version number 1.0.
This number is required to keep the configuration of all units and components on the
AC 800M platform together, and to act as a reference in the future between different
documents. As the AC 800M hardware platform configuration grows in future
releases, so the version number will increase accordingly.
See Table 2 on page 57 for the product version release history of AC 800M.
Table 2. AC 800M Release History
Version Description User Doc
5.1.1 PM851A, PM856A, and PM860A are
added.
Redundancy for CI873 is added.
3BSE036351-510 A
5.1 PM891, CI869, CI871, CI872, CI873
are added
3BSE036351-510
5.0 SP2 CI868, PM866, SM811 are added. 3BSE036351R5021
5.0 SP1 SB822 and CI867 are added. 3BSE036351R5011
5.0 CI865 is added. 3BSE036351R5001
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