81
(5) Examples of the Function of Thread Trimming Sequence
● Yamato Three-needle Trimming
① Timing of Thread Trimming Sequence
② Flow Chart of Tread Trimming Sequence & Program Code
Data field
1st 2nd 3rd
ExplanationFlow chart
Code
number
Comm.
field
※Operates Presser Foot Solenoid by "Lefting Up function of Automatic Presser Foot after Trimming" being set to A18=1
※As every command field is displayed close to "--", it is distinguishable from Data Field
※All Data Fields are displayed easily enough to distinguish them from others, differently from S-ll and there's no necessity of
transforming the number and conversing the unit
01
02
03
04
05
06
07
08
09
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
--80
--C8
--B0
--83
--B0
--9A
--B0
--85
--B0
--9C
--B0
--84
--B0
--9B
--B0
--00
200
5
100
5
100
5
100
5
Start of Sequence
Stop after moving to needle of upstop
at 200spm
Wait for 5[ms]
Thread Trimming solenoid , On
Wait for 100[ms]
T/T sol.(off)
Wait for 5[ms]
T/R sol.(on)
Wait for 100[ms]
T/R sol.(off)
Wait for 5[ms]
W/P sol.on(on)
Wait for 100[ms]
Wiper solenoid off
Wait for 5[ms]
End of Sequence
↓
Needle Up Stop with 200spm
↓
wait for 5ms
↓
T/T sol. on
↓
wait for 100ms
↓
T/T sol. off
↓
wait for 5ms
↓
T/R sol. on
↓
wait for 100ms
↓
T/R sol. off
↓
wait for 5ms
↓
W/P sol. on
↓
wait for 100ms
↓
W/P sol. off
↓
wait for 5ms
↓
End of Sequence
START of Sequence
↔
↔
↔
↔
↔
↔
↔
↔
Up
5ms
100ms
100ms
100ms
5ms
5ms
5ms
Down
Needle
T/T
T/R
W/P
P/F