800xA Hardware Product Guide (EN) > Control Systems > 800xA > Controllers > AC 800M Hardware

Overview Data Downloads Tools Application

CPUs / Features

PM851 PM856 PM860 PM861A PM864A PM865 PM866 PM891

Processor Unit

PM851 PM856 PM860 PM861A PM864A PM865 PM866 PM891

High Integrity Controller

No No No No No Yes No No

Clock frequency

24 MHz 24 MHz 48 MHz 48 MHz 96 MHz 96 MHz 133MHz 450MHz

Memory (RAM)

8 Mb 8 Mb 8 Mb 16 Mb 32 Mb 32 Mb 64 Mb 256 Mb

CPU redundancy support

No No No Yes Yes Yes Yes Yes

Switch over time in red. conf.

- - - max 10 ms max 10 ms max 10 ms max 10ms max 10ms

Ethernet channels

1 2 2 2 2 2 2 2

Performance, 1000 boolean operations (a:=b and c)

0.46 ms 0.46 ms 0.23 ms 0.23 ms 0.15 ms 0.15 ms 0.09 ms 0.043 ms

Comm. modules on CEX bus

1 12 12 12 12 12 12 12

I/O clusters on ModuleBus (local I/O)

1 el. + 1 opt.1 el. + 7 opt.1 el. + 7 opt.1 el. + 7 opt.1 el. + 7 opt.1 el. + 7 opt.1 el. + 7 opt.0 el. + 7 opt.

I/O capacity on ModuleBus (local I/O) (Non redundant confi guration only)

max 24 I/O modules

max 96 I/O modules

max 96 I/Omodules

max 96 I/Omodules

max 96 I/Omodules

Limited, see user manual for details

max 96 I/O modules

max 84 I/Omodules

Supported Communication modules

Profibus FoundationFieldbus

RS-232 C MB300 INSUM Drivebus S100 I/O interface

Genius TRIO I/O

Satt I/O

Module CI854A CI860 CI853 CI855 CI857 CI858 CI856 CI862 CI865Protocol DP-V1

(PA via Linking Device)

HSE (H1 via Linking Device)

Modbus master, Comli master/slave,Siemens master, User defi ned

MB300 IEEE 802.3

ABB’s Drivebus

ABB’s S100 I/O

Genius ABB´s Satt I/O

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protocolsMaster or slave Master Master Master/slave Master/slaveMaster Master Master Master MasterNumber of channels

1 1 2 2 1 1 main, 2 aux

1 1 1

Supported Communication modules

ModbusTCP IEC 61850 AF100 Ethernet/IP PROFINET IO

Module C1867 C1868 C1869 C1873 C1871Protocol Modbus TCP IEC61850 AF100 Data set Ethernet/IP PROFINET IOMaster or slave Master/slave Master Master/slave Master MasterNumber of channels

2 1 2 1 1

Last edited 2010-04-30

Page 2 of 2ABB AC 800M Hardware - Controllers (800xA)

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