– 100 –
⑫
Function of reverse feed stitching on the way (Function setting Nos. P139 to P143)
Functions of the limit of number of stitches and thread trimming command can be added to the touch back
switch on the sewing machine head.
Function setting P139 Function of reverse feed stitching on the way is selected.
1 3 9
0 : OFF Normal back-tack function
1 : ON Function of reverse feed stitching on the way
Function setting P140 Number of stitches performing reverse feed stitching is set.
1 4 0
Setting range : 0 to 19 stitches
Function setting P141 Effective condition of reverse feed stitching on the way
1 4 1
0 : OFF Inoperative when the sewing machine stops. (The reverse feed stitching on the
way functions only while the sewing machine is in operation.)
1 : ON Operative when the sewing machine stops. (The reverse feed stitching on the
way functions while both the sewing machine is in operation and is at rest.)
(Cautions) Either condition is operative when the sewing machine is running.
Function setting P142 Thread trimming is performed when reverse feed stitching on the way is completed
1 4 2
0 : OFF Without thread trimming
1 : ON Thread trimming is executed.
Function setting P143 Set the sewing speed when the reverse feed stitching at midpoint of sewing is
performed.
1 4 3
Setting range : 200 to 3000 [sti/min] <10 sti/min>
Application
Function setting
Output function
No.P139 No.P141 No.P142
❶
0
0 or 1
0 or 1
It works as normal touch-back switch.
❷
1
0
0
When operating touch-back switch at the time of depressing front part of the
pedal, reverse feed stitching as many as the number of stitches specified by
the function setting No. 140 can be performed.
❸
1
1
0
When operating touch-back switch at the time of either stop of the sewing
machine or depressing front part of the pedal, reverse feed stitching as many
as the number of stitches specified by the function setting No. 140 can be
performed.
❹
1
0
1
When operating touch-back switch at the time of depressing front part of the
pedal, automatic thread trimming is performed after reverse feed stitching as
many as the number of stitches specified by the function setting No. 140 has
been performed.
❺
1
1
1
When operating touch-back switch at the time of either stop of the
sewing machine or depressing front part of the pedal, automatic
thread trimming is performed after reverse feed stitching as many as
the number of stitches specified by the function setting No. 140 has
been performed.
Actions under each setting state
❶
Used as the normal reverse feed stitching touch-back switch.
❷
Used for reinforcing seam (press sewing) of the pleats. (It works only while the sewing machine is in
operation)
❸
Used for reinforcing seam (press sewing) of the pleats. (It works either when the sewing machine
stops or when the sewing machine is running.)
❹
Used as starting switch for reverse feed stitching at the sewing end. (Used as the substitute for thread
trimming by depressing back part of the pedal. It works only while the sewing machine is in operation.
This is especially effective when the sewing machine used as the sewing machine for standing work.)
❺
Used as starting switch for reverse feed stitching at the sewing end. (Used as the substitute for thread
trimming by depressing back part of the pedal. It works either when the sewing machine stops or
when the sewing machine is running. It is especially effective when the sewing machine is used as the
standing- work machine.)
Содержание DDL-8000A
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