CHAPTER 7: SPECIAL FEATURES
2 KHZ INVERTER WEDLING POWER SUPPLY
7-6
990-057
The Power Supply can automatically detect the presence of a 1-LEVEL or 2-LEVEL Foot Switch when
AUTO
is selected. Press
CHNG
to select
1-LEVEL, 2-LEVEL
, or
AUTO
. For most applications, it is best to
leave this option as
AUTO
.
NOTE:
When the
WELD HEAD TYPE
option is
MANUAL
, the
FOOTSWITCH TYPE
selection is
automatically
NONE
.
For a complete electrical description of the Foot Switch Connector, turn to
Chapter 4, Foot Switch
Connector.
FOOTSWITCH WELD ABORT (Figure 7-7)
This option controls how the Power Supply interfaces with a Foot Switch or Force Firing Switch. Either
or both switches will be defined as the Initiation Switch.
FOOTSWITCH WELD ABORT : ON
means the
welding process is initiated by the closure of the Initiation Switch(es) and continues to its conclusion as
long as the Initiation Switch(es) remains closed. Should the Initiation Switch(es) open during the welding
process, the welding process will terminate.
FOOTSWITCH WELD ABORT: ON
is preferred since it allows
the operator to abort the welding process by releasing the Foot Switch or Foot Pedal, in the case of a
Manually Actuated Weld Head. Press
CHNG
to select
ON
or
OFF
.
FIRING SWITCH (Figure 7-7)
The Power Supply can use as an input signal to indicate when the Weld Head has applied the proper force
to the parts either a:
•
Single Pole, Single Throw Switch (SPST 2-Wire)
•
Single Pole, Double Throw (SPDT 3-wire) Switch
•
Optical Switch.
Weld Heads with single pole Firing Switches should be connected to the Mechanical Firing Switch Cable
Connector. A 3-Wire Switch or Optical Firing Switch, either of which should be connected to the Optical
Firing Switch Connector, eliminates switch bounce, which causes false triggering, and should be used
when the welding speed exceeds 1.5 welds per second.
Press
CHNG
to select
2-WIRE, 3-WIRE, OPTO
, or
REMOTE
. AMADA WELD TECH Force Fired, Foot
Actuated, Weld Heads use a 2-WIRE Firing Switch.
For a complete electrical description of the Firing Switch Connector, turn to
Chapter 4, Firing Switch
Operation.
