CHAPTER 4: OPERATING INSTRUCTIONS
CD-A DUAL PULSE RESISTANCE WELDING POWER SUPPLY
4-6
990-430
this is set to
ON
, the unit will accept these commands. In either case the unit will accept and
respond to RS-232 commands to send out weld data and information.
9.
Press the
MENU
button again to select the
RESET DEFAULTS
field. Use the or arrows to
select ON or OFF. If this value is set to ON and is saved, then all schedules, all weld limits,
Pulse 1 actions,
WELD COUNTER
,
WELD COUNTER LIMIT
and all
MENU
screen entries are set
back to factory defaults.
10.
Press the
SAVE
button to save any changes made. To exit the “editing” mode
without
accepting
changes, press RUN to activate the
SAVE
prompt; then press
CLEAR
on the front panel to discard
changes.
Dual Weldhead Operation
For dual weldhead operation, only schedules 1 and 2 are active. To set this feature, connect pin 13 of the
37 pin Control Signal connector to the I/O common (pin 28 or pin 32). See
Appendix B, Electrical & Data
Connections
for connection details.
1.
Connect Weldhead 2 to the 4 pin Standard Air Valve Driver Output Connector.
2.
Connect Weldhead 1 to the 8 pin Weld Head Connector.
3.
Connect the Dual Weldhead Input (pin 13 on the 37 pin connector) to the I/O common (pin 28
or 32 on the 37 pin connector).
4.
Schedule 1 will then use Weldhead 1 and schedule 2 will use Weldhead 2. These two heads and
schedules will fire alternately with the Footswitch input. Do not use the RS-232 commands or
the Binary Schedule Select inputs to change weld schedules when Dual Weldhead operation is
active.
Programming Lock
The programmed values of the 63 schedules can be locked so that no changes are possible. To set this
lock, connect pin 9 of the 37 pin Control Signal connector to the I/O common (pin 28 or pin 32). See
Appendix B, Electrical & Data Connections
for connection details.
NOTE:
The schedule numbers can still be changed, but the values stored in each schedule
cannot
be
changed.
Schedule Lock
The programmed values of the 63 schedules and the schedule number itself can be locked so that no
changes are possible. To set this lock, connect pin 27 of the 37 pin connector to the I/O common (pin 28
or pin 32). See
Appendix B, Electrical & Data Connections
for connection details.
