Timing Chart - JUKI LU-1520N-7 Manual

10. TIMING CHART

Thread trimming signal
DOWN position
UP position
Sewing machine
Thread trimming
solenoid valve output
Tension release
solenoid output
Condensation solenoid
valve output
Threading switch input
Threading solenoid
valve output
SC-380 program mode (standard adjustment value)
G mode
• TS (Thread trimming ON timing) : 64
• TE (Thread trimming OFF timing) : 122
• LS (Tension release ON timing)
• L2 (Tension release OFF timing) : 20
When thread trimming failure occurs, change the value of TS.
At this time, change the value of TE as "TS + TE = 186" as well.
ON
ON
3000rpm
Thread trimming
120rpm
TS
LS
– 50 –
ON
ON
ON
Needle Up by
reverse revolution
ON
TE
ON
L2
ON
OFF
ON
: 180
Soft start
170rpm
ON
OFF
ON
OFF
OFF
K11