Hypertherm Powermax1250 Rev.4 - Manuel (Page 82)

4
6-2
powermax1250
Service manuel
t=0
1
0
Start
t
Start
0
1
2ms
Debounced
Arc
0
Pilot
1
2ms
Digitized
XFR signal
Enable
Inverter
0
1
3ms
( INV_EN )
Icommand
0
25A
3ms
Setpoint
8
0
16
12ms
Ipilot
(Amps)
Gas
0
1
Postflow
60
Pcritical(15)
at Torch
(psi)
Gas Pressure
Time
x
Consumable
Re-Seat
0
225
Voltage
Arc
(volts)
~ ~ 10ms
typ
250
1.6
25
I Setpoint
0
(amps)
I Work Lead
10.0 sec
NORMAL MODE
1ms
25
150
210
0.4
16A
valid
3ms
tdelay
0
1
If > 5.0 sec
pilot arc time out
XFR signal
Digitized
in DSP and
Switch
Constant
T
o
rch Lead
Length(feet)
50
50
tdelay (msec)
T
ime Constant
(msec)
250
Machine Motion
12ms
1.75A/ms
1.75A/ms
1. 200ms DELA
Y
IS FOR
T
O
RCH LEAD
PRESSURIZA
T
ION.
> 200 ms
1.
2. CURRENT
(I) V
A
LUES SHOWN FOR 80A
UNIT
.
I cut max
60A
UNIT
80A
UNIT 80
60
I cut min
2
5
2
0
I pilot
16/25
1
4/20
REQUIREMENTS PER HYPER
THERM P/N 048266.
3. RoHS/WEEE COMPLIANT
AND OTHER REGULA
T
OR
Y
D
15365
6-1-06
6-5-06
APPROVED
DA
TE
DRA
WN
DA
TE
ECN
REV
REVISIONS
DESCRIPTION ITEM NO. DRA
WN BY
PURPOSES WITHOUT
PERMISSION
FOR MANUF
ACTURING OR F
A BRICA
TION
FROM HYPER
THERM, INC.
THIS DRA
WING
AND
ALL
INFORMA
TION
PROPRIET
AR
Y
AND MA
Y NOT
BE USED
CONT
AINED THEREON
IS
CONSIDERED
MA
TERIAL
T
O
LERANCES
ARE:
UNLESS OTHER
WISE SPECIFIED:
2 PL
DECIMAL
±.01
FRACTIONS ±1/64
ANGULAR ±2∞ DIMENSIONS
ARE IN INCHES.
3 PL
DECIMAL
±.005
P A R T MUST
BE FREE OF BURRS
AND SHARP
EDGES. BREAK SHARP
EDGES IF NECESSAR
Y
WITH CHAMFER OR RADIUS .015 MAX.
013341
013341B1
ELEC SCHEM:PMX1250 60/80A
TMG
NTS
1 OF 2 3-9-01
Box-5010 Hanover
, NH 03755-5010 603/643-3441
DA
TE FILE NAME
DA
TE
APPROVED BY SCALE
SHEET
D
D