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6-7
Section
Origin Return
153
Operating Data Area
Name
Model
Operating memory area
Bit
Details
X axis Y axis Z axis U axis
Speed
NC4
j
3
NC2
j
3
NC1
j
3
I+10
I+11
I+10
I+11
I+10
I+11
I+22
I+23
I+22
I+23
I+34
I+35
I+46
I+47
00 to 15
(rightmost)
00 to 15
(leftmost)
15
00
Leftmost
15
00
Rightmost
Setting range: 1 to 7A120 Hex
(1 to 500,000 pps)
Deceleration
time
NC4
j
3
NC2
j
3
NC1
j
3
I+12
I+13
I+12
I+13
I+12
I+13
I+24
I+25
I+24
I+25
I+36
I+37
I+48
I+49
00 to 15
(rightmost)
00 to 15
(leftmost)
15
00
Leftmost
15
00
Rightmost
Setting range: 0 to 3D090 Hex
(0 to 250,000 ms)
Deceleration
time
NC4
j
3
NC2
j
3
NC1
j
3
I+14
I+15
I+14
I+15
I+14
I+15
I+26
I+27
I+26
I+27
I+38
I+39
I+50
I+51
00 to 15
(rightmost)
00 to 15
(leftmost)
The origin return will not operate if the software limit function has been disabled
by setting the axis parameters so that the CW software limit is less than or equal
to the CCW software limit. (At the time of the command, the present position is
“0.”)
6-7-2 Timing Chart
A timing chart for executing an origin return on the X axis looks like this:
Pulse output
Time
ORIGIN RETURN
(word n, bit 07)
Initial speed
Target speed
Deceleration
Initial speed
Acceleration
Start
Stop at origin
Origin Stop Flag
(word n+8, bit 07)
Busy Flag
(word n+8, bit 13)
Positioning Completed Flag
(word n+8, bit 05)
10 ms max.
Note
The Origin Stop Flag turns ON when all of the following conditions are satisfied.
•
When an origin is established (the No Origin Flag is OFF).
•
When pulse output has stopped (Busy Flag is OFF).
•
When the present position is 0.
Therefore, the Origin Stop Flag will not turn ON when the present position
passes through 0, such as occurs when positioning from --100 pulses to 100
pulses.
Содержание CS1W-NC113 - REV 02-2008
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