How To Check Each Test Program No - JUKI LK-1910 Engineer's Manual

2) How to check each test program No.

1 CP-1 (input signal check)
State of input of switches and sensors is indicated on the 8 LEDs.
LED indication table ......... Table of LED assignment of each switch and sensor
Input line
No. THREADING WINDER
1 – READY
2 – SELECT
TEMPORARY
3 –
STOP SW
4 – AIR PRESSURE SW
5 – FEED REFERENCE
(Caution) 1. PRESSER (L) SW and AIR PRESSURE SW are provided for the pneumatic type only.
2. FEED REFERENCE signal is reference signal on the software and different from the start of feeding.
3. FEED REFERENCE signal is 125˚ to 155˚ at main shaft angle.
4. TG (tachometer generator) outputs 45 pulses by one rotation of main shaft. ( 360˚ ÷ 45 = 8˚)
5. NEEDLE UP position is 46˚ to 62˚ at main shaft angle.
6. NEEDLE DOWN position is 80˚ to 123˚ at main shaft angle.
7. UP DEAD POINT is 340˚ to 10˚ at main shaft angle.
Indicating section (input line No.)
Kind of LED
COUNTER SPEED
RESET +/ FORWARD
– –
PRESSER (R) SW START
X ORIGIN Y ORIGIN
TG NEEDLE UP
Checking measure
READY
R
RESET
P 1 P 2
SELECT
P 1 P 2
107
−
Y SCALE X SCALE
–/ BACK P1
– –
PRESSER (L) SW –
– –
NEEDLE DOWN UP DEAD POINT
State of the input line No. 1 key will be
indicated on LED.
[Example]
Check the
[Example]
Check the
As for the other keys, refer to the input line
No. 1 of the above table.
Simultaneously
Update of the input line No. 1 to 2
press.
State of the input line No. 2 key will be
indicated on LED.
[Example]
Check the
Simultaneously
Update of the input line No. 2 to 3
press.
−
PATTERN NO. SEWING
P2 P3
– –
– –
– THREAD
BREAKAGE
DETECTION
– –
Explanation
key.
READY
R
key.
RESET
key.
SELECT