ABB 处理器模块 AC800M 用在钢铁行业

PM253 16.7MHz

PM254 28.8MHz

PM255 50MHz

floating point processor

(FPU Yes Memory and I/O support for system and application program

PM253V01 1 MB RAM, 32 I/O units

PM253V02 2MB RAM, 64 I/O units

PM254V04 4MB RAM, 128 I/O units

PM254V08 8MB RAM, 256 I/O units

PM255V04 4MB RAM, 256 I/O units

PM255V08 8MB RAM, 512 I/O units

PM253 and PM254

Green LED indicators for power supply

OK (PWR), SattBus signals (SB

TD0, SB RD0), signals TD0, TD1, RD0

and RD1 of the serial channel;

red LED indicators for errors and

system stop

PM255

Green LED indicators for power supply

OK (PWR), and signals TD0, and

RD0 of serial channel;