JUKI SC-921 Instruction Manual page 29

Discrete control box
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No
Item
91 Function of
It is effective in combination with the machine head provided with
prohibiting
tension release function.
compensation
0 : Tension release function is ineffective.
operation
1 : Tension release function is effective.
after turning
handwheel by
hand
92 Function of
Function to reduce speed at the time of completion of reverse feed
reducing speed
stitching at the start of sewing.
of reverse feed
0 : Speed is not reduced.
stitching at the
1 : Speed is reduced.
start of sewing
93 Function added
Operation of needle up/down compensating switch is changed
to needle
after turning ON the power or thread trimming.
up/down
0 : Normal (needle up/down compensating stitching only)
compensating
1 : One stitch compensating stitching is performed only when
switch
aforementioned changeover is made. (Upper stop / upper
stop)
94 Continuous
The function that does not stop the sewing machine by combining
+ One-shot
continuous stitching with one-shot stitching using the program
nonstop
sewing function which is available in the IP operation panel.
function
0 : Normal (The sewing machine stops when a step is complet-
ed.)
1 : The sewing machine does not stop when a step is completed
and proceeds to next step.
95 Head selection
Machine head to be used is selected.
function
(When the machine head is changed, each setting item is changed
to the initial value of the machine head.)
96 Max. number of
Max. number of rotation of the sewing machine head can be set.
rotation setting
(The MAX value differs by machine head.)
100 Number of
Sets the number of stitches to be sewn at the beginning of sewing
stitches sewn
before the thread clamp solenoid (CN36-7) starts operating
before thread
0: Thread clamp solenoid does not operate.
clamp works at
1-9: The number of stitches to be sewn before the thread clamp
the beginning of
solenoid operates
sewing
103 Needle cooler
Delay time from the stop of sewing machine to the output OFF is
output OFF
specified using the needle cooler output function.
delay time
120 Main shaft
Main shaft reference angle is compensated.
reference angle
compensation
121 Up position
Angle to detect UP position starting is compensated.
starting angle
compensation
122 DOWN position
Angle to detect DOWN position starting is compensated.
starting angle
compensation
124 Setting of
Setting to reduce the power consumption while the sewing ma-
energy-saving
chine is in standby state
function during
0: Energy-saving mode is ineffective
standby
1: Energy-saving mode is effective
* Do not change the set values with asterisk (*) mark as they are functions for maintenance. If the standard set value set at the time of
delivery is changed, it is in danger of causing the machine to be broken or the performance to be deteriorated. If it is necessary to
change the set value, please purchase the Engineer's Manual and follow the instructions.
Description
– 27 –
Setting
Indication of function setting
range
0/1
9 1
0/1
9 2
0/1
9 3
0/1
9 4
9 5
d L 8 7
150 to MAX
9 6
4 0 0 0
(sti/min)
0-9
1 0 0
(stitches)
100 to 2000
1 0 3
(ms)
–60 to 60
1 2 0
–15 to 15
1 2 1
–15 to 15
1 2 2
1 2 4
0/1
Ref.
page
1
0
36
0
37
0
37
37
0
5 0 0
0
37
0
37
0
37
0
37

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