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Unit Numbers and I/O Word Allocation
Example 4: C1000H and
C2000H with Slaves and
Remote Terminals
C1000H and C2000H CPU Rack
Master
IR 5
16 pts.
IR 4
16 pts.
IR 2 & 3
32 pts.
IR 1
16 pts.
IR 0
16 pts.
Master
16 pts.
16 pts.
32 pts.
16 pts.
16 pts.
Master
16 pts.
16 pts.
16 pts.
Master
16 pts.
16 pts.
16 pts.
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Duplication can be avoided here too by starting Remote Terminal words from
the upper end. (See Example 2, above, for details.)
Do not set words that are being used for other I/Os.
Word
multiplier: 0
Slave
Set to Unit #0
C500 Ex-
pansion
I/O Rack*
IR 15
Slave
IR 14
Set to
Unit
IR 12 & 13
#0.
IR 11
IR 10
C500
Expansion
I/O Rack
Remote Terminal
Word
multiplier: 2
IR 25
IR 24
IR 23
C500
Expansion
I/O Rack
Remote Terminal
Word
multiplier: 1
IR 28
IR 27
IR 26
IR 8 & 9
32 pts.
IR 7
16 pts.
IR 6
16 pts.
IR 19
16 pts.
IR 18
16 pts.
IR 17
16 pts.
IR 16
16 pts.
*No word multiplier needed because no Remote Termi-
nal is connected.
Section 3-2
Remote Terminal
Ser as terminator.
Set word: 31
Allocated word:31
IR 22
16 pts.
IR 21
16 pts.
IR 20
16 pts.
Slave
Set to Unit #1.
Set as terminator.
Remote Terminal
Set as terminator.
Allocated
Set words:
words:
31
95
30
94
Remote Terminal
Set as terminator.
Allocated
words:
Set words:
63
31
30
62
33
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