Sequence Of Operation - ESAB ESP-600C Manuel D'instruction

sectIon 4

4.3 sequence of operation

SECTION 4
4.3 Sequence of Operation
PILOT
ARC
4.4 Arc Initiation Settings
Apply Power
PANEL
REMOTE
HIGH
LOW
ACTUAL AMPS
PRESET AMPS
Begin
Cutting
1. Apply power by closing the line (wall) switch.
1. Apply power by closing the line (wall) switch. (The ESP-600C
(The ESP-400C does not have an on/off
does not have an on / off switch). The main power light will
switch). The main power light will illuminate
illuminate and the fault light will flash and then go out.
and the fault light will flash and then go out.
2. Select the Panel / Remote setting.
2. Select the Panel/Remote setting.
3. Set pilot arc High / Low switch. (Refer to cutting data in the
torch manual.)
3. Set pilot arc High/Low switch. (Refer to cutting
4. If using panel mode, view preset amps with the ACTUAL /
data in the torch manual.)
PRESET AMPS switch. Adjust current until the approximate
4. If using panel mode, view preset amps with the
desired value is shown on the ammeter. If using the remote
mode, placing the actual Amps / Preset Amps switch in the ACTUAL/PRESET AMPS switch. Adjust current
Preset Amps position provides the initial output current com-
until the approximate desired value is shown on
manded by the remote control.
the ammeter.
5. Begin plasma cutting operation. This may include manually
5. Begin plasma cutting operation. This may
setting up other options, depending on the total plasma
include manually setting up other options,
package.
depending on the total plasma package.
6. If using panel mode, after cutting has begun, adjust current
to desired amount.
6. If using panel mode, after cutting has begun,
adjust current to desired amount.
7. If cutting fails to initiate, check for fault light. If a fault light
illuminates, refer to troubleshooting section.
7. Check for fault light. If a fault light illuminates,
refer to troubleshooting section.
Note: The fault light flashes when the contactor is Note: The fault light flashes when the contactor is Note: The fault light flashes when the contactor is Note: The fault light flashes when the contactor is
The fault light flashes when the contactor is first
first turned on signifying the DC Bus powered up first turned on signifying the DC Bus powered up
first turned on signifying the DC Bus powered up first turned on signifying the DC Bus powered up
turned on signifying the DC Bus powered up nor-
normally. normally. normally. normally.
The time to achieve full current can be adjusted to
suit your particular system. This feature uses 50%
of the cutting current to start, dwell and then
gradually (less than a second) achieve full current.
The ESP-400C is factory shipped with this feature
enabled. The default settings are:
Minimum Start Current
119
Start Current
Timing to achieve full current
operatIon
Operation
note:
mally.
40A
50% of cut current
800 msec