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ElECTriCal DiaGrams
G-7
lN-25™ prO
sChEmaTiC - lN-25 prO - COmplETE maChiNE CODEs 11387, 11388 - (G5683) pG2
G5683
LN
-25 P
RO
MAC
HI
N
E SC
HEM
ATIC
NONE
-
DO NO
T
SC
AL
E
T
HIS DR
A
WING
EQ
UIP
M
ENT
TYPE:
SUBJECT:
UF
CR
M39437
2
PAGE ___ OF
___
2
E
NGI
N
EE
RI
NG
CO
NT
RO
LLE
D
MA
NU
FA
CT
URE
R:
No
THIS DOCUMENT CONTAINS PROPRIETAR
Y
INFORMATION OWNED B
Y
LINCOLN GLOBA
L, INC.
AND MA
Y
NOT BE DUPLICATED, COMMUNICATED
TO O
THER PARTIES OR US
ED FOR
AN
Y
PURPOS
E WITHOU
T
THE EXPRES
S WRIT
TEN PERMISSION
OF LINCOLN GLOBAL, INC.
PRO
PRIETARY & C
ONFIDENTIAL:
R
EVISED LEA
D
S GO
ING TO P17.
t
MAT
ERI
A
L TO
L
ER
ANC
E ("
"
) TO A
GR
EE
WITH
PU
B
LI
SH
ED
ST
ANDARD
S.
ON A
LL
AN
GL
E
S I
S ± .5 OF
A D
E
GR
EE
ON
3
PLACE
D
E
CIM
ALS
IS
± .
00
2 i
n.
(
±
0.
0
5
mm)
ON 2
PL
AC
E D
ECIM
AL
S I
S ± .02 in. (
±
0.5 mm)
UNLESS OTHERWISE SPECIFIED TOLERANCE:
M
ANUF
ACTURING TO
L
ER
ANC
E
P
ER
E
2056
CHAN
GE
D
ET
AIL:
REFER
ENCE:
SC
ALE:
M
ATER
IAL
DI
SP
OS
ITI
ON:
APPR
OV
AL
DATE
:
PROJ
ECT
NU
M
BER:
DOCUMEN
T
NUMBER:
DOCUMEN
T
REV
ISI
ON:
UN
I
TS
:
IF PR
IN
T
ED
@ A
2
SIZ
E
IN
CH
1
1/16/2
007
d
di
e
tz
ENYEDY
-
DRAWN BY:
ENGINEER:
CLE
VE
L
AND
APPROVED:
CONTROL:
C
G5683
I i h
LN-25 PRO WIRE FEEDER
MICROCONTRO
L
LER
SETUP
PUSHBUTTON
SERIAL
SPI
C
OMMUNICATION
T
O J1
CONTROL
PC BOARD
VOL
TAGE
MEASUREMENT
OF REMOTE
VOL
TS
POTEN
TIOME
TER
ARC VOLTAGE
FEEDB
ACK
ARC CURRE
NT
FEEDB
ACK
+
-
+
-
J10-12
J12-4
J12
-1
J10-14
J10-16
J10-15
J10-11
J10-6
J10-8
J1
0-1
J10-2
J10-9
J10-4
-15V
+15V
COM
{
+4V = +500A
-4V = -500A
0V = RUN
I
NENABLED
T
OSW
IT
CH S5 RUN
I
N
77B
76B
75B
{
TO REMOTE VOLTS
POTEN
TI
OMETER R2
AND POWER SOURCE
ELECTRODE
WORK
41
42
67
21
PR
ESE
T
P
.C.
BOA
RD CIRCUIT
(LOCATED
O
NCAS
E
FRONT)
SCHE
MATIC
=
G4748
804
802
801
805
{
{
702
701
{
J10-10
WFS/AMPS D
ISPLA
Y
VOLTS DISPLA
Y
7 SEGMENT
DISPLA
YS
(2 e
ach)
SIGNALS TO
DISPLA
Y
& LED
VOLTS
WFS
AMPS
MOTOR
THERMAL
3 LEDs
set
=WFS
actual = AMP
S
SPI
(10 leads)
708
SETUP
PUSHBU
TT
ON
(BOARDMOUNTED
)
J6-8
707
-15V
INPUT
POWER
SETUP
LED
CONTROL CABLE
I
NPU
T
POWER
DETEC
TI
ON
(<18 VAC
T
ODETEC
T)
ARC CURREN
T
MEASUREMENT
FOR DISPLAY & ARC ESTABLISHED
ARC VOLTAGE
MEASUREMENT
FOR DISPLAY
Timer
Board Summary
Has potentiometers for
B
urnback
, Preflow
and
P
ostflow.
Preflow
range
from
0
ms
to 10s.
Burnback range
from
0 to 25
0m
s.
Postflow range
from
5
0ms
to 10 s.
Receives “Gas Flow Enable” signal.
Outputs 1
6
ms pulses to turn Gas Flow On
/
Off.
TIMER KIT
(OPTIONAL)
SCHEMATIC =
M21342
J60-6
60
1
50
9B
60
5
60
7
60
8
60
6A
J60-5
J60-8
J60-7
J60-1
J60-2
5V
COM
(LOCATED
B
EHIND
W
IRE
REE
L
COVER)
(LOCATED
O
NCAS
E
FRONT)
TIMER
P
.C.
BOA
RD CIRCUIT
POSTFLO
W
POT.
PREFLOW
POT.
TOG
GLE GAS FLOW
ON/OFF
5V SIGNAL
GAS FLOW
ENABLE
MICROCONTRO
L
LER
J60-4
1
5V
OUTPU
T
1
5V SIGNAL
1
5 ms PULSES
+5V
COM
+5V
COM
4B
TO
C
ONTR
OL B
D.
(VIA P60 plug)
BURNBAC
K
POT.
ADJU
ST KNOB
COM
1
0K
CW= +5
CCW= 0V
+5V
+5V
1
0K
+5V
1
0K
ADJU
ST KNOB
ADJU
ST KNOB
ARC ESTABLISHED
OUTPUT
IF V> 10V RELATIVE TO COMMON
0
V= ARC NOT ESTABLISHED
TO
CONTROL
BOARD
(VIA P7)
FR
OM
CONTROL
BOARD
(VIA P7)
NOT
USED
J60-3
G-7
NOTE: This diagram is for reference only. It may not be accurate for all machines covered by this manual.
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