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3. SPECIFICATIONS
MELSEC-A
3.5.5
Zero return data area (X
axis :address
7912 to 7918, Y
axis
:address
7922
to
7928)
Stores Zero return data described in Section 3.4.2.
See Fig. 3.48.
I
X-axis
I
Y-axis
address
!
address
791 2
791 3
791
4
791 5
791 6
791 7
791 8
791 9
7921
I
I
I
{
7922
1
7923
I
7924
I
7925
I
7926
i
7927
I
7928
I
7929
i
7931
I
I
I
I
I
I
I
1
I
1
Zero address
Zero return speed
Zero return creep speed
Zero return dwell time
Torque limit
b15
M
bO
t t t
Zero return information-
Unused area
(should not be used)
L C
i i
L
Return method with mechanical stop
0 :Mechanical stop ( 1 )
1
:Mechanical stop (2)
0
:Forward direction
1 :Reverse direction
Zero return direction
(address increase)
(address decrease)
Zero return method
c
0 :PG zero-point signal
1 :Mechanical stop
Fig. 3.48 Zero Return Data Area
3 -64
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