Tweco 100XL Plus CE PAK Master - Manuel (Page 29)

Manual 0-2813 4-3 OPERATION
4. Two Stage Air Line Filter
The Two Stage Air Filter will remove moisture and
contaminants from the air stream when using com-
pressed air. The filter is capable of filtering to at least
5 microns.
5. CNC Connector (J22)
External connector provided for connection of CNC
Control, Standoff Control SC11 or Remote Hand Pen-
dant Control.
6. Knockout
Knockout provided that allows internal connection
of CNC Control to a Terminal Block.
7. Optional Single-Stage Filter Assembly
This optional in-line filter removes moisture and con-
taminants from the air stream when using com-
pressed air. The filter is capable of filtering to at least
0.85 microns.
1
2 3
7
A-02906
6
5
Figure 4-5 Rear Panel Showing Optional Single-Stage
Dry Air Filter
4.03 Sequence of Operation
The following is a typical sequence of operation for this
cutting system. Refer to Appendix II for a block diagram.
1. Close main power source disconnect.
a. AC power is available at the Power Supply.
2. Place RUN/SET/LATCH switch to RUN mode.
3. Place the ON/OFF power switch on the front
panel of the Power Supply to ON.
a. AC Power indicator blinks ON and OFF for
eight seconds then stays ON.
b. Fans turn on.
4. Place RUN/SET/LATCH switch to SET mode.
a. Gas solenoid opens and gas flows to set pres-
sure.
b. GAS indicator turns ON.
NOTE
GAS indicator will not come ON if the gas pres-
sure is set below 35 psi (2.4 bar) at the Regulator/
Filter Assembly.
Minimum pressure for power supply operation may
be lower than minimum for torch operation.
5. Place RUN/SET/LATCH switch to RUN mode.
a. Gas flow stops.
b. GAS indicator turns OFF.
NOTE
Do Not use the LATCH position for automated
system applications.
6. Protect eyes and activate system (CNC start sig-
nal or press Remote Pendant switch)
a. Gas pre-flows starts.
b. GAS indicator turns ON.
7. After gas pre-flow (approximately 2 seconds)
a. Power supply enabled.
b. DC indicator turns ON.
c. Pilot relay closes.
8. Pilot arc is established
9. Torch moves to within transfer distance of workpiece.