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CHAPTER 1: DESCRIPTION
CD-A DUAL PULSE RESISTANCE WELDING POWER SUPPLY
1-8
990-430
With the
WELD
switch to the
NO WELD
position, weld current is
INHIBITED and output relays are disabled
;
however, all other control functions execute in a normal manner. This feature allows adjustment of weld
head and
SQUEEZE / HOLD
delay parameters prior to actual welding
Emergency Stop Switch Operation
If your work station has an
EMERGENCY STOP SWITCH
, connect it to the cable provided at the rear panel
of the unit. When pressed, the
EMERGENCY STOP SWITCH
will immediately halt the welding process and
de-energize all air valves and power circuits. Additionally, an
EMERGENCY STOP
status display message
will appear near the bottom of the display screen. To resume operation, reset the
EMERGENCY STOP
SWITCH
to the normal position which will automatically return the system to
RUN
mode.
NOTE:
During the 20-second startup period when the Power Supply is first turned ON, an activation of
the Emergency Stop will interrupt 24V power to the Air Valve Driver output to ensure the weld head is
not
actuated. When the 20-second startup period is completed, the
EMERGENCY STOP
message will be
displayed and the buzzer will sound.
If your work station is not equipped with an
EMERGENCY STOP SWITCH
, be sure that the conductors of
the emergency stop input cable are shorted together and insulated, as the system will not operate with this
loop electrically open.
Содержание CD-A Series
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Страница 108: ...AMADA WELD TECH INC 1820 South Myrtle Ave Monrovia CA 91016 U S A TEL 1 626 303 5676 FAX 1 626 358 8048 ...