3. POSITIONING SIGNALS
3
−
5
3.1.1 Axis
status
(1) Positioning start completed signal (M1600+20n)
(a) This signal comes ON when starting of positioning control of the axis
designated by the DSFRP/SVST instruction in the sequence program is
completed.
It does not come ON when positioning control starts due to a zeroing, JOG
operation or manual pulse generator operation.
It can be used, for example, to read an M-code when positioning is started.
(See Section 8.2.)
(b) The positioning start completed signal goes OFF at the leading edge
(OFF
→
ON) of the end signal OFF command (M1804+20n) or when
positioning is completed.
Dwell time
DSFRP/SVST instruction
ON
ON
OFF
OFF
OFF
t
V
ON
Dwell time
Positioning
completed
ON
ON
OFF
OFF
t
V
Start reception flag (M2001+n)
(Note)
Positioning start completed
signal (M1600+20n)
(Note)
End signal OFF command
(M1804+20n)
(Note)
DSFRP/SVST instruction
Start reception flag (M2001+n)
(Note)
Positioning start completed
signal (M1600+20n)
(Note)
At the leading edge (OFF ON) of the end signal OFF command (M1804+20n)
When positioning is completed
REMARK
(Note) :In the preceding descriptions, "n" in M2001+n, M1600+20n,
M1804+20n, etc. indicates a value for each axis No. in the following
tables.
<When A172SHCPUN is used>
<When A171SHCPUN is used>
Axis No.
n
Axis No.
n
1
0
1
0
2
1
2
1
3
2
3
2
4
3
4
3
5
4
6
5
7
6
8
7
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