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6.6 Latch Function
6.6.1 Continuous Latch by LT_REQ2 Bit
Setting Parameters
Parameter
No.
Pn850
Pn851
Pn852
Pn853
Note
6-16
Name
Digit
Number of Latch Sequences
Continuous Latch Sequence Count
Latch Sequence 1 to 4 Settings
Latch Sequence
1
1
Signal Selection
Latch Sequence
2
2
As above
Signal Selection
Latch Sequence
3
3
As above
Signal Selection
Latch Sequence
4
4
As above
Signal Selection
Latch Sequence 5 to 8 Settings
Latch Sequence
1
5
Signal Selection
Latch Sequence
2
6
As above
Signal Selection
Latch Sequence
3
7
As above
Signal Selection
Latch Sequence
4
8
As above
Signal Selection
• The minimum interval between latch signals is 500 ms. An interval between latch signals that is
longer than the communication cycle is required to continuously obtain latched position data.
• If two latch signals are input without allowing the minimum required interval, only the first latch
signal input position will be latched. The second latch signal will be ignored.
• The parameters Pn850 to Pn853 can be changed only while the continuous latch operation is
stopped.
Data Size
(Byte)
2
2
2
0
Phase C
1
EXT1 signal
–
2
EXT2 signal
3
EXT3 signal
2
0
Phase C
1
EXT1 signal
–
2
EXT2 signal
3
EXT3 signal
Setting
Factory
Unit
Range
Setting
0 to 8
–
0 to 255
–
0000h to
–
0000h
3333h
0 to 3
–
0000h to
–
0000H
3333h
0 to 3
–
0
0
0
0
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