Siemens manual Technical Specifications Quantity breakdown, AS 488/TM CPU

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System architecture

System properties

■Technical Specifications Quantity breakdown

The AS 488/TM automation systems have the following quantity breakdowns:

AS 488/TM	CPU 486-3	CPU 488-3
Control loops *)	45 to 120	90 to approx. 216
Additional analog value	45 to 180	90 to approx. 324
monitoring
Sequential controls *)	8 to 20	16 to approx. 36
Logic controls *)	150 to 370	300 to approx. 666
User memory	4 Mbyte	4 Mbyte
Computing performance	150 %	270 to 300 %
compared to AS 235

*) The values identified by an asterisk apply as alternatives and are not for addition.

Siemens PLT 112 · 2002 2/3