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49
24 is used as a direction digit. (See Appendix C DM Area Allocations.)
m+24
15 00
m+23 x10
3
x10
2
x10
1
x10
1
x10
0
Sign
x10
6
x10
5
x10
4
m+24
m+23
Direc-
tion
x10
6
x10
5
x10
4
x10
3
x10
1
x10
0
CW absolute value
CCW absolute value
CW increment
CCW increment
0
1
2
3
Maximum values are as follows:
CW:
8388606 pulses
CCW:
8388607 pulses
Absolute values are measured from the origin. Increment values are meas-
ured from the present position. Positions resulting from increments must be
between –8,388,607 and +8,388,606.
8388607
CCW
(Origin)
0
CCW direction
increment value
Present
position
CW direction
increment
value
8388606
Absolute
value
CW
Note that the TEACH command can be used to write target positions into the
DM area. See 4–7 TEACH for details.
4–1–2
IR Area settings
In C200H PCs, IR words 100 to 199 are used for Special I/O Units. When a
Position Control Unit is used, they are allocated as I/O refresh areas. For a
detailed explanation, see 3–4 Data Configuration and Allocation. For a de-
tailed table of words and bits in the IR area, see Appendix D IR Area Alloca-
Start
Section 4–1
Содержание SYSMAC C200H-NC111
Страница 1: ...Cat No W137 E1 04 Position Control Unit SYSMAC C200H NC111...
Страница 2: ...SYSMAC C200H NC111 Position Control Unit Operation Manual Revised September 2003...
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