46
ignated in this manual as
n
, can be computed from the unit number as fol-
lows:
n = 100 + 10 x unit number.
Each Unit is also allocated 100 consecutive words as a fixed data area.
These words are in the DM area and run from DM 1000 through DM 1999.
The first word for each Unit,
m
, can also be computed from the unit number:
m = 1000 + 100 x unit number.
These allocations are shown below for all unit numbers. Details of allocations
within these words are given under the operations or commands to which
they apply. The tables on the following pages give a quick overview of word
and bit allocations. For a more complete overview, see
Appendix C
and
Ap-
pendix D
.
Data Configuration
C200H PC
IR Area
IR 100 to 109 Unit #0
IR 110 to 119 Unit #1
IR 120 to 129 Unit #2
IR 130 to 139 Unit #3
IR 140 to 149 Unit #4
IR 150 to 159 Unit #5
IR 160 to 169 Unit #6
IR 170 to 179 Unit #7
IR 180 to 189 Unit #8
IR 190 to 199 Unit #9
DM Area
DM 1000 to 1099 Unit #0
DM 1100 to 1199 Unit #1
DM 1200 to 1299 Unit #2
DM 1300 to 1399 Unit #3
DM 1400 to 1499 Unit #4
DM 1500 to 1599 Unit #5
DM 1600 to 1699 Unit #6
DM 1700 to 1799 Unit #7
DM 1800 to 1899 Unit #8
DM 1900 to 1999 Unit #9
IR area data is trans-
ferred between the
PC and each Position
Control Unit each time
I/O data of the PC is
refreshed.
DM area data is automatically
transferred from the PC to each
Position Control Unit on power
application or when the AR area
Restart bit is turned ON.
Position Control Unit
I/O refresh data areas
IR n to (n+4)
IR (n+5) to (n+9)
OUT refresh
IN refresh
Ten words are used
(n: 100 + 10 x unit no.)
Fixed data areas
DM m to m+21
DM m+22 to m+81
DM m+82 to m+97
DM m+98
DM m+99
Parameters
Position data
Speed data
Acceleration data
Deceleration data
100 words are used
(m: 1000 + 100 x unit no.)
IR Area Allocations
The command bits, flags, and signals you will employ when programming
your control task are contained in the IR area of the PC. The following table
gives an overview of the IR area allocations. “n” is the first IR word allocated
to the Unit and equals 100 plus 10 times the unit number.
Data Configuration and Allocation Section 3–4
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