AC 800M is a family of rail-mounted modules, consisting of CPUs, communication modules, power supply modules and various accessories. There are several CPU modules to choose from, ranging from medium processor power and low cost to high processor power and support for full redundancy.
The AC 800M family does also include IEC 61508-SIL3 certified controllers PM857, PM863, PM865 and PM867, which supports controller configurations for: • Safety application • Combined Process Automation and Safety application For updated information regarding System 800xA hardware please visit our 800xA Hardware Selector. In the selector you can compare different communication modules, AC 800M controllers, S800 IO modules, module termination units, 800xA networks equipment, power supplies and voters, panels and also print your own PDF files.
Features / CPUs ：PM851A PM856A PM857 PM858 PM860A
Article number ：
3BSE066485R1 (PM851AK01)
3BSE066490R1 (PM856A)
3BSE088385R1 (PM857K01)
3BSE088386R1 (PM857K02)
3BSE082895R1 (PM858K01)
3BSE082896R1 (PM858K02)
3BSE066495R1 (PM860AK01)
Processor Unit：
PM851AK01 incl: 1 PM851A CPU and required optional items
PM856AK01 incl: 1 PM856A CPU and required optional items
PM857K01 incl: 1 PM857 CPU and required optional items
PM857K02 incl: 2 PM857K01
PM858K01 incl: 1 PM858 CPU and required optional items
PM858K02 incl: 2 PM858K01
PM860AK01 incl: 1 PM860A CPU and required optional items
Optional items (partly included in Processor Units, see Price List) ：
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, BC820K02, CEX-bus Interconnection unit; TK851V010 Connection cable, SD831/SD832/SD833/SD853/SD854 Power Supply, SS832 Voting Unit, Mains Breaker Kit, SM811 Supervisory Module and SM812 Supervisory Module.
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