AEG SB4 series User Manual Page 125

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20
Specifications
77
4.4 Processing Times
see chapter A.7 ”Cycle time”
4.5 Memories
4.5.1 Signal and System Memory
Type of memory 32 kb RAM, (16 x 16 k / 1 bit), 2 kb of which can be ad-
dressed bit-by-bit, battery-backed via rechargable battery
Carrier module ALU 011, ALU 061 or ALU 150
Inputs/outputs max. 5088 I/O points
Marker bits 10 000
Marker words, -double adjustable from 100 to 10 000
16)
, basic setting: 500
words, marker floating
point words
System markers 1 ... 100 (bit)
1 ... 100 (word, double word, floating point word)
4.5.2 Memory for the Basic Software
Type of memory 4 x 128 kb EPROM (segments 17 ... 32), for console
functions, I/O routines, operating functions, Dolog B
blocks, etc.
Carrier module ALU 011, ALU 061 or ALU 150
4.5.3 Memory for the User Program
Type of Memory
RAM C-MOS elements, battery-backed
EPROM EPROM elements, 128 kbytes each
Carrier Module
RAM ALU 011, ALU 061; for ALU 150: SC 8128, SC 8256
EPROM ALU 011, ALU 061; for ALU 150: SF 8512
Capacity
A500 with ALU 0x1 3 x 128 kb RAM (
=
^
segments 5 ... 16); segments
9 ... 16 can be converted to EPROM block-by-block
(128 kb)
A500 with ALU 150 6 x 64 kb RAM (
=
^
segments 5 ... 16); segments
9 ... 16 can be equipped with EPROM block-by-block
(64 kb)
16) The number o
double words and
loating point words are counted as double
or the summation.
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