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Chapter 14 Common Functions
POINT
When "1: Valid" is set in "
Pr.114
External command signal compensation valid/invalid
setting
", the response time of the high-speed input signal is compensated and the
latch accuracy will be enhanced.
(For details of "
Pr.114
External command signal compensation valid/invalid setting
",
refer to Section 5.2.7 "Expansion parameters".)
[3] List of buffer memory
The following shows the configuration of buffer memory for mark detection
function.
Buffer memory
address
Number of
word
Item
Mark detection setting No.
54000 to 54019
20
Mark detection setting parameter
Pr.800
to
Pr.807
Mark detection setting 1
54020 to 54039
20
Mark detection setting 2
54040 to 54059
20
Mark detection setting 3
to
to
to
54300 to 54319
20
Mark detection setting 16
54640 to 54649
10
Mark detection control data
Cd.800
,
Cd.801
,
Cd.802
Mark detection setting 1
54650 to 54659
10
Mark detection setting 2
54660 to 54669
10
Mark detection setting 3
to
to
to
54790 to 54799
10
Mark detection setting 16
54960 to 55039
80
Mark detection monitor data
Md.800
,
Md.801
Mark detection setting 1
55040 to 55119
80
Mark detection setting 2
55120 to 55199
80
Mark detection setting 3
to
to
to
56160 to 56239
80
Mark detection setting 16
(Note): Refer to the table of "Performance specifications" in this section for the range of mark
detection setting No. that can be used for each module.
• Guide to buffer memory address
In the buffer memory address, "k" in "54002+20k", etc. indicates a value
corresponding to mark detection setting No. such as the following table.
Mark detection
setting No.
k
Mark detection
setting No.
k
Mark detection
setting No.
k
Mark detection
setting No.
k
1 0 5 4 9 8 13 12
2 1 6 5 10 9 14 13
3 2 7 6 11 10 15 14
4 3 8 7 12 11 16 15
(Note): Refer to the table of "Performance specifications" in this section for the range of mark
detection setting No. that can be used for each module.
(Note): Calculate as follows for the buffer memory address corresponding to each mark detection
setting No.
(Example) For mark detection setting 16
54002+20k (
Pr.802
Mark detection data type
)=54002+20 15=54302
(Note): The range from mark detection setting No.1 to 4 (k=0 to 3) is valid in the
LD77MS2/LD77MS4.
Содержание MELSEC-L Series
Страница 1: ...MELSEC L LD77MS Simple Motion Module User s Manual Positioning Control LD77MS2 LD77MS4 LD77MS16 ...
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Страница 253: ...5 113 Chapter 5 Data Used for Positioning Control MEMO ...
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Страница 438: ...7 20 Chapter 7 Memory Configuration and Data Process MEMO ...
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