35
Unit Numbers and I/O Word Allocation Section 3-2
This example System shows word allocations for two C200H Masters, one on
the CPU Rack and one on an Expansion I/O Rack, and four of the maximum
possible five C200H Slaves. (The unallocated I/O words may be used as
work words.)
C200H PC
IR
4
IR 3
IR 2
Set to Unit #0.
IR 0
IR 54
IR 53
IR 52
IR 51
IR 50
IR 64
IR 63
IR 62
IR 61
IR 60
IR 74
IR 73
IR 72
IR 71
IR 70
IR 84
IR 83
IR 82
IR 81
IR 80
C200H
Master
C200H Expansion I/O Rack
Slave Rack
Slave Rack
Slave Rack
Slave Rack
IR 14
IR 13
IR 12
Set to Unit #1.
IR 10
Set
to Unit #0 and
“C200H Master
.”
Set to Unit #1 and
“C200H Master
.”
Set to Unit #2,
“C200H
Master
,” and as
terminator.
Set to Unit #3,
“C200H
Master
,” and as
terminator.
C200H
Master
Example 1: C200H Masters
and Slaves
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