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3. SPECIFICATIONS
MEtSEC-A
(a) Positioning pattern
Specifies positioning completion in accordance with the positioning
data that corresponds to the data number
or positioning continuation
by the next data number by using the positioning pattern.
The positioning continuation pattern is as follows:
1) Positioning is completed in accordance with the specified ad-
dress, and positioning
is continued by the
next data number
(positioning address).
2) Positioning is continued after changing speed
at the specified
address.
Fig. 3.1 6 shows how to specify bits in the buffer memory
to specify
the positioning pattern.
This pattern data is specified by the first two bits of
the
positioning
information.
Bit 1
Bit
0
Positioning pattern
00
: Positioning end
01
:
Positioning continued (in any direction)
11
:
Speed changed and positioning then continued
10 : No setting
(in the same direction)
Fig. 3.16 Positionlng Pattern
Positioning end
Drives to the specified address, positioning is complete after the dwell time
has elapsed.
-
Start (Y20)
Positioning commenced (X18)
BUSY (X14)
I
I
I
I
I
I
I
I
Speed graph
I
For pattern 00
Fig. 3.17 Pattern 00
3-30
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