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The fundamental unit of positioning is the positioning action. In
C200H-NC112 Position Control Units, each positioning action is defined by
its completion code, dwell time, output code, speed number, and target posi-
tion, all of which are explained below.
Positioning actions are generally referred to by number and completion code.
For example,“#6, continuous” indicates positioning action #6 with a comple-
tion code of 2 (continuous). The settings for positioning action #0, DM words
m+22 through m+24, are explained below. The same procedure is followed
for any other positioning action. See
Appendix C for detailed word and bit
allocations.
DM word m+22, bits 03 to 00
Each positioning action must be assigned a completion code. A completion
code is a setting that specifies what is to happen when the positioning action
has been completed. You can select any of six completion codes, all de-
scribed in detail below, by setting these bits anywhere from 0 to 5. For further
explanation, see also
Section 4–1–3.
m+22
03 to 00
Completion code: 0 to 5
If you designate a positioning action as “single”, then it will be executed in
accordance with the data set for it and will not directly affect the subsequent
positioning action (except, of course, for its initial position). The target posi-
tion is reached and feeding stops. After completion of this action, START is
necessary in order to to execute the next positioning action(s).
Initial speed
Acceleration
Target speed
Deceleration
Stop from initial speed
Target position
Time
START
If you designate a positioning action as “pause”, it will execute in accordance
with the data set for it, pause, and then automatically start the next position-
ing action. After the target position is reached, positioning will pause for the
dwell time (see
following Dwell Time diagram). The next positioning action is
automatically started following the dwell time.
Target speed
Dwell time
Start of next positioning action
Time
START
Pause
Completion Code
0: Single
1: Pause
Positioning Actions
