Hypertherm Command THC, Instruction Manual

Page: 209 / 220

SHEET
5
4
3
2
1
4 3 2 1
1
A
4 3 2
A
B
C
D
B
C
D
J2-B
PLASMA INTERFACE
041841
1 20 2 21 3 22 4 23 5 24 6 25 7 26 8 27 9 28 10 29 11 30 12 35 16 34 15 33 14 32 13 31 18 36 17 19 37
J2-A
1 20 2 21 3 22 4 23 5 24 6 25 7 26 8 27 9 28 10 29 11 30 12 35 16 34 15 33 14 32 13 31 18 36 17 19 37
+24V
TRAN
S
F
E
R
–
C
T
H
C
TX+
C
T
H
C
TX
–
RX
+
RX
–
TO THC 123022
3-2A
I
TO PLASMA SYSTEM 123022
TRAN
S
F
E
R
+
SP
A
R
E
OU
T
2
–
SP
A
R
E
OU
T
2
+
SP
A
R
E
OU
T
1
–
SP
A
R
E
OU
T
1
+
PI
E
RCE
–
PI
E
RCE
+
HOL
D
–
HOL
D
+
S
TART O
UT –
S
TART O
UT +
+24V
AR
C V
O
LT
S +
S
P
AR
E 1 I
N
–
T
O
R
C
H S
E
LE
C
T
2 –
TX+ TX
–
RX
+
RX
–
T
O
R
C
H S
E
LE
C
T
2 +
T
O
R
C
H S
E
LE
C
T
1 –
T
O
R
C
H S
E
LE
C
T
1 +
S
P
AR
E 1 I
N
+
NOZ
Z
L
E
CON
TA
C
T
–
NOZ
Z
L
E
CON
TA
C
T
+
P
IL
O
T AR
C –
P
IL
O
T AR
C +
TRAN
S
F
E
R
–
TRAN
S
F
E
R
+
HV R
E
LA
Y –
HV R
E
LA
Y +
SP
A
R
E
OU
T
2
–
SP
A
R
E
OU
T
2
+
SP
A
R
E
OU
T
1
–
SP
A
R
E
OU
T
1
+
PI
E
RCE
–
PI
E
RCE
+
HOL
D
–
HOL
D
+
S
TART I
N
–
S
TART I
N
+
8
2
5
7
6
RX+
4
TX+
3
RX– 1
J1
OPTIONAL RS-422
TX–
+12V
9
LED 1 POWER
LED 2 SHIELD RELAY
LED 5 PLASMA START RELAY
LED 6 OHMIC CONTACT
1 2 3
24VD
C
4 5 6 7 8 9
10 11 12 13 14
J4 TO PLASMA SYSTEM
P
L
A
S
MA S
TART
P
L
A
S
MA S
TART
HOL
D
IG
N
IT
ION
OU
T
+
HOL
D
IG
N
IT
ION
OU
T
–
P
IE
R
C
E
C
O
M
P
L
ETE O
UT +
P
IE
R
C
E
C
O
M
P
L
ETE O
UT –
P
L
A
S
MA S
P
AR
E O
UT 1 –
P
L
A
S
MA S
P
AR
E O
UT 1 +
24VD
C T
O
HV R
E
LA
Y –
24VD
C T
O
HV R
E
LA
Y +
P
L
A
S
MA S
P
AR
E O
UT 2 +
P
L
A
S
MA S
P
AR
E O
UT 2 –
TRAN
S
F
E
R
I
N
+
P
IL
O
T AR
C I
N
+
P
IL
O
T AR
C I
N
–
AL
T N
O
Z
Z
L
E C
O
NT
A
C
T
I
N
+
AL
T N
O
Z
Z
L
E C
O
NT
A
C
T
I
N
–
P
L
A
S
MA S
P
AR
E I
N
1 +
P
L
A
S
MA S
P
AR
E I
N
1 –
T
ORCH
1
SE
L
+
1 2 3 4 5 6 7 8 9
10 11 12 13 14
J3 FROM PLASMA SYSTEM
TRAN
S
F
E
R
I
N
–
T
ORCH
1
SE
L
–
T
ORCH
2
SE
L
+
T
ORCH
2
SE
L
–
J6
2
3
1
HV RELAY –
STHC RELAY –
CTHC RELAY –
COMMAND/SENSOR THC SELECT
SHIELD SHIELD
WORK
ELECTRODE
EMI GND
J5
+24V +24V
TO PLASMA SYSTEM
JP1-6
NOTE: JUMPER (JP1-6) SHOULD
BE ON PINS 1 & 2
A
8 7
ELEC SCHEM:COMMAND THC
013369
7-11