Hypertherm MAX200 Service Manual User Manual
Page 204
PLASMA
GAS
SHIELD
GAS
GAS
PLASMA
TORCH
CAP
NOZZLE
CAP
GAS
SHIELD
V1
V3
V5
V9
PS1
60psi
V5
V2
PS3
4psi
PS4
26psi
PG1
V4
PG2
CO1
CO3
CO2
PS2
70psi
GAS FLOW DIAGRAM
PLASMA STEP GAS SOLENOID VALVE
SHIELD GAS SOLENOID
PLASMA PRE/POST FLOW SOLENOID VALVE
MAIN CONTACTOR
V1
V3
V2
CON1
MAX200 TIMING CHART
CAP-ON-SENSE SOLENOID VALVE
V4
PLASMA CHARGING VALVE
V9
POWER ON SWITCH
PB1
POWER OFF SWITCH
PB2
PLASMA GAS OUTLET PRESSURE SWITCH. N.O. SWITCH
PS3
QUICK CHARGE PRESSURE SWITCH. N.C. SWITCH
PS4
PLASMA START SIGNAL FROM CNC
START
PLASMA STOP SIGNAL FROM CNC
STOP
ARC TRANSFER
XFER
1 SECOND GAS FLOW AT END OF CYCLE
POST-FLOW
GAS SYSTEM DESIGNATOR
TIMING CHART MAX200
PB1
START
PS3
XFER
PS4
STOP
POST
PB2
FLOW
V9
V4
V3
V2
V1
CON1
THAT CLOSES WHEN THE PLASMA GAS PRESSURE
EXCEEDS 3 psi
THAT OPENS WHEN PLASMA GAS REACHES 26 psi
NOTES:
1. IN TEST MODE, V1, V2, AND V3 ARE THE ONLY VALVES THAT ARE
ACTIVE.
2. WHEN V1 BECOMES ACTIVE AFTER START, 10 TO 15 psi WILL BE
REGISTERED AT PG1.
3. THE HV TRANSFORMER IS ACTIVATED 2 SECONDS AFTER THE PLASMA
START SIGNAL. IT WILL STAY ACTIVE FOR 5 SECONDS OR UNTIL THE
ARC TRANSFERS TO THE WORK PIECE, WHICH EVER HAPPENS FIRST.
013179
013-2-179
013179B9
ELEC/GAS SCHEM: MAX200
N/A
MAX200
9 OF 9
BC
5-9-96
NECESSARY WITH CHAMFER OR RADIUS .015.
MATERIAL
THIS DRAWING AND ALL INFORMATION
FROM HYPERTHERM, INC.
FOR MANUFACTURING OR FABRICATION
CONTAINED THEREON IS CONSIDERED
PROPRIETARY AND MAY NOT BE USED
PURPOSES WITHOUT PERMISSION
ANGULAR
±
.5
∞
SHARP EDGES. BREAK SHARP EDGES IF
PART MUST BE FREE OF BURRS AND
2 PL DECIMAL
±
.01
FRACTIONS
±
1/64
3 PL DECIMAL
±
.005
DIMENSIONS ARE IN INCHES.
UNLESS OTHERWISE SPECIFIED:
TOLERANCES ARE:
CHECKED BY
APP. BY
DATE
DATE
DRAWN BY
DATE
Box-5010 Hanover, NH 03755-5010 603/643-3441
SCALE
MODEL
SHEET
DRAWING NO.
DESCRIPTION
FILE NAME
A
4
B
3
C
D
4
3
2
1
ITEM NO.
A
B
2
1
C
D
V