© ESAB AB 2010
-31-
bp12a2
3A
not used
10K
24 CONDUCTOR CABLE
+
E--STOP: ISOLATED CONTACT
CLOSED TO RUN
MARK MODE SELECT
CUT CURRENT REF
CURRENT REF COMJ
L
A
G
Z
M
T
Q
Y
S
N
C
D
E
F
H
K
R
U
V
W
X
B
P
CUT CURRENT REF
+
MARK MODE SELECT
I mark = (3.6) X (Vcut cur ref)
CLOSED FOR MARKING
POWER SOURCE FAULT
RED 09
MASTER SELECT -- CONNECT H TO R (ALWAYS PRESENT)
RED 22
RED 01
RED 18
RED 13
RED 12
RED 15
RED 23
RED 17
RED 07
RED 11
RED 04
RED 02
RED 14
RED 03
RED 05
RED 08
RED 06
RED 10
RED 16
RED 20
RED 19
RED 21
115V AC NEUTRAL
WC LEVEL (ON W/ LEVEL OK)
ON WITH FAULT
+
K4
WC LEVEL: OFF
WITH FAULT
PA CURRENT SELECT
E--STOP
PA CURRENT SELECT
E--STOP
PA CURRENT SELECT
CNC
(PARALLEL OPERATION ONLY)
Icut = (36) X (Vcut cur ref)
CURRENT HI/LO
CLOSED FOR 400A; OPEN FOR 200A
Ipa = (4.5) X (Vpa cur ref)
+
FOR HI: Icut = (40) X (Vcut cur ref)
PLASMA START
PS 24V DC COMMON
HI RANGE (400A)
PLASMA START
FOR LO: Icut = (20) X (Vcut cur ref)
15V CNC
COMMON
PA CURRENT SELECT
24V DC
COMMON
PA ON
CNC +15V DC
WC FLOW FAULT: ON WITH FLOW OK
CABLE
WIRE ID
ARC ON
+
MASTER SELECT
115V AC NEUTR AL
+
Plasma System Control
POWER SOURCE FAULT
20K
115V AC H
24V AC
PA ON
PA CURRENT REF
CNC +15V DC
20K
PA CURRENT REF
ARC ON
not used (reserved for P/A continuous)
GRN/YEL
PROCESS CONTROL SELECTION
24--
CONDUCTOR
CONNECTOR
CNC ANALOG COMMON
CHASSIS
WC FLOW FAULT: OFF WITH LO FLOW
PA1
HALL TRANSDUCER
OPEN FOR INTERNAL CONTROL
+
MASTER CURRENT
115V AC
CLOSED FOR EXTERNAL CONTROL
10K
10K
10K
10K
10K
10K
MASTER OUTPUT CURRENT
SIGNAL 1.0V = 100A
10K
PA0
FUSE
24V24V
15V15V
0 TO 10V0 TO 10V
0 TO 10V0 TO 10V
US