3-4SectionIR and DM Areas
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3-4 IR and DM Areas
The IR and DM word addresses that each Analog Output Unit occupies are set
by the unit number switch on the front panel of the Unit. (For details on setting the
unit number, refer to 3-2-2 Unit Number Switch.)
3-4-1 IR Area Allocation and Contents
IR Area Allocation
IR n +9
IR n
to
IR n+8
IR 130 to 139
IR 140 to 149
IR 150 to 159
IR 100 to 109
IR 110 to 119
IR 120 to 129
IR 190 to 199
IR 160 to 169
IR 170 to 179
IR 180 to 189
SYSMAC C200H/C200HS/C200HX/HG/HE PC C200H-DA003/DA004 Analog Output Unit
IN refresh
(I/O refresh data area)
Unit #0
Unit #1
Unit #2
Unit #3
Unit #4
Unit #5
Unit #6
Unit #7
Unit #8
Unit #9
(Work area)
At the I/O refresh by the
PC, outputs (CPU to
Unit) and inputs (Unit to
CPU) are refreshed in
order with every cycle.
OUT refresh
Words
IR 430 to 439
IR 440 to 449
IR 450 to 459
IR 400 to 409
IR 410 to 419
IR 420 to 429
Unit #A
Unit #B
Unit #C
Unit #D
Unit #E
Unit #F
Normal Mode
IR n + 8
to
IR n +9
IR n
to
IR n + 7
IN refresh
OUT refresh
Adjustment Mode
n = 100 + 10 x unit number, except
for Units #A to #F (10 to 15) where:
n = 400 + 10 x (unit number – 10)
Note 1. Switches A to F can be set for the C200HX/HG-CPU5j-E/6j-E. Setting
numbers A to F for C200H, C200HS, C200HE, or C200HX/HG-
CPU3j-E/4j-E PCs will cause an I/O UNIT OVER error and the Unit will
not operate.
2. If two or more Special I/O Units are assigned the same unit number, an I/O
UNIT OVER error will be generated and operation will stop.
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