AC 800M High Integrity Controller
The AC 800M HI offers a SIL3 TÜV certified control environment for combining safety and business critical process control in one controller without sacrificing safety integrity. When configured as a SIL1-2 system, the AC800M HI is realized in a 1oo1D structure by combining application execution in the PM865 with diagnostic and monitoring functions in the SM811/SM810. When configured as a SIL3 system, the AC800M HI is realized in a 1oo2D structure by executing application in both PM865 and SM811.
For embedded safety and control applications, all functions/types in standard libraries usable in SIL classified application are marked SIL2, SIL2 Restricted, SIL3 or SIL3 restricted. Embedded safety measures prevent inadvertant degradation of safety applications. SIL selection activates the relevant restrictions and limitations, such as only SIL marked elements to be used in SIL applications.
In SIL rated applications,it is possible to choose between three IEC 61131-3 languages, Function Block Diagram, Structured Text, and Sequential Function Chart (only SIL1-2). For non-SIL applications, all five IEC 61131-3 languages are available for use.
AC 800M CPU Processor Unit with co-processor
800xA Safety features a flexible and scalable SIL 3 compliant design. AC800M High Integrity controllers and I/O are highly modular, offering many interconnection options and making them suitable for all safety and business critical process automation applications, from small to large, from single to redundant. Redundant solution for CPU and I/O will increase the availability.
|CPUs / Features||PM865|
|Processor Unit with co-processor||Single configuration:
1 PM865(PM865K01) CPUs and 1 SM811
2 PM865(PM865K02) CPUs and 2 SM811
|Optional items||TP830 Baseplate, TP850 CEX-bus term., TK850 CEX-bus cable, TB807 Modulebus term, Battery RAM backup, TB852/TB853 RCU-link term, TB851/TB855/TB856 RCU-link cable, SB822 External Battery Unit, TK212A Tool cable, TC562 Short Distance Modem, TK853V020 Modem cable, BC810K02 CEX –bus Interconnection unit, TK851V010 Connection cable, SD831/SD832/SD833 Power Supply, SS823 Voter Unit with Overvoltage Protection, Mains Breaker kit, SM811 Supervision Module.|
|High Integrity Controller||Yes|
|Clock frequency||96 MHz|
|Memory (RAM)||32 Mb|
|RAM available for application||24.242 MB,
23.850 MB with SM810,
23.804 MB with SM811
|Flash memory for storage of application and data||No|
|CPU redundancy support||Yes|
|Switch over time in red. conf.||max 10 ms|
1000 boolean operations
(a:=b and c)
|Comm. modules on CEX bus||12|
|I/O clusters on ModuleBus (local I/O)||1 el. + 7 opt.|
|I/O capacity on ModuleBus (local I/O)
(Non redundant confi guration only)
|Limited, see user
manual for details
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