0)>4)*#*'+-%*.-3?('$5-3#''(*2+
Section 2-1
%,
2-1-4
Machine Number Switch
The CPU Unit and the High-speed Counter Unit exchange data via the Special
I/O Unit Area (CIO) and the Special I/O Unit DM Area. The High-speed Counter
Unit is allocated the words for 4 Units. This means that 40 words in the Special
I/O Unit Area (CIO) and 400 words in the Special I/O Unit DM Area are allocated.
The allocation of these words is done according to the Machine Number set. The
Machine Number is set by using the two Machine Number rotary switches on the
front panel of the Unit.
Always turn OFF the power before setting the Machine Number. Use a flat-blade
screwdriver, being careful not to damage the switch. Be sure not to leave the
switch midway between settings.
Note
The Machine Number determines which words in the CPU Unit’s Special I/O Unit
Area (CIO 2000 to CIO 2959 and DM 20000 to DM 29599) are allocated to the
High-speed Counter Unit. Since the Unit is allocated 400 DM-words and 40 CIO-
words, the Machine Number can only be set between 00 and 92. The Machine
Numbers 93, 94 and 95 can not be set.
Switch
Setting
Machine
Number
I/O Refresh Data Area
Addresses
Special I/O Unit DM
Area Addresses
0
#0
CIO 2000 to CIO 2039
D20000 to D20399
1
#1
CIO 2010 to CIO 2049
D20100 to D20499
2
#2
CIO 2020 to CIO 2059
D20200 to D20599
3
#3
CIO 2030 to CIO 2069
D20300 to D20699
4
#4
CIO 2040 to CIO 2079
D20400 to D20799
5
#5
CIO 2050 to CIO 2089
D20500 to D20899
6
#6
CIO 2060 to CIO 2099
D20600 to D20999
7
#7
CIO 2070 to CIO 2109
D20700 to D21009
8
#8
CIO 2080 to CIO 2119
D20800 to D21199
9
#9
CIO 2090 to CIO 2129
D20900 to D21299
10
#10
CIO 2100 to CIO 2139
D21000 to D21399
…
…
…
…
n
#n
CIO 2000 + (n * 10) to
CIO 2000 + (n * 10) + 39
D 20000 + (n * 100) to
D 20000 + (n * 100) + 399
…
…
…
…
92
#92
CIO 2920 to CIO 2959
D29200 to D 29599
93
Cannot be
set
Not Applicable
Not Applicable
94
Cannot be
set
Not Applicable
Not Applicable
95
Cannot be
set
Not Applicable
Not Applicable
W902-E2-03.book Seite 29 Donnerstag, 7. Oktober 2004 2:06 14
Содержание CS1W-CT021
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