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CHAPTER 4: CONTROLS
2 KHZ INVERTER WEDLING POWER SUPPLY
990-057
4-7
Mechanical Firing Switch - 3-Wire Connection
A SPDT (3-wire) mechanical switch can be connected to the Optical Firing Switch connector to eliminate
the use of Switch Debounce Time when welding at rates of 1.5 welds/second.
Opto-coupler Firing Switch - 3-Wire Connection
A SPDT opto-coupler switch can be connected to the
Optical Firing Switch connector to eliminate the use
of Switch Debounce Time when welding at rates of
greater than 1.5 welds/second.
Control SIGNALS Connector
A 15-pin, sub-miniature "D" Control Signals
Connector includes inputs for: (a) Remotely
selecting weld schedules 1 through 127; (b)
Inhibiting the Power Supply from beginning a
new welding process; and (c) Invoking an
Emergency Stop Condition which abruptly
terminates the welding process. The Control
Figure 4-7. Opto-coupler Firing Switch
Signals inputs and outputs are designed to be used with a Programmable Logic Control (PLC) (see Figure
4-8) or a Host Computer in automated environments.
1
When an external chain control box is
connected to the Control Signals
Connector in place of a PLC, chained
weld schedules can be implemented
semi-automatically with an external
chain control box (see Figure 4-9).
2
The Control Signals Connector also
includes outputs for: a) One DC Solid
State Relay; and b) One AC Solid State
relay.
3
The 15 pin connector is a Viking
DMRST15RA05CG (AWTA Part #
250-195).
Figure 4-8. Control Signals Connection
The mating connector is a TRW Cinch Connector comprised of a DA-15P (AWTA Part #
250-199) male connector and a DE-51210-1 (AWTA Part # 250-200) plastic junction shell.
The mating connector is included in the Control Shipping Kit.
Содержание HF2
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Страница 134: ...AMADA WELD TECH INC 1820 South Myrtle Ave Monrovia CA 91016 U S A TEL 1 626 303 5676 FAX 1 626 358 8048...