HT4001 SETUP
3d-2
CommandTHC for X-Y Table
Instruction Manual
11
See Figure 3d-1.
1. Remove access covers from the power supply, as required.
2. Locate the input/output bus bars inside the power supply.
3. Install the arc voltage wires:
Fabricate the wires as follows:
• Use 18AWG (
≈
0.9 mm
2
), single pair, unshielded wire, rated for 600V or greater.
• Wire length: As required, from the power supply to the plasma interface assembly.
• After installing the wires from the power supply to the plasma interface assembly, install appropriate
size fork or ring terminals on the wire ends.
Connect one of the wires to the top bus bar (+) where wire No. 42 is connected. Label this wire positive
(+).
Connect the other wire to the bottom bus bar (–) where wire No. 45 is connected. Label this wire
negative (–).
At the plasma interface assembly, connect the negative (–) wire to the J5-2 terminal labeled
ELECTRODE. Connect the positive (+) wire to the J5-3 terminal labeled WORK.
D
C
B
A
Electrode and work lead arc voltage wires
DANGER
ELECTRIC SHOCK CAN KILL
Turn off all electrical power before removing the power supply cover. Press the power
supply OFF (0) pushbutton switch and set the line disconnect switch to OFF. In the
U.S., use a “lock-out and tag-out” procedure until the service or maintenance is
complete. In other countries, follow appropriate local or national safety procedures.
