SPX X-ray
Industrial Imaging System
Page 20 of 44
SPX Series System Manual
118173-001 Rev. D
Connecting to Power
Note that the AC voltage source MUST be rated
as either:
120 VAC, 20 Amps, 50/60 Hz
230 VAC, 10 Amps, 50/60 Hz
External Interlock Connections
The Interlock connector on the side panel (J-4) of
the Control Unit enables the interconnection of the
x-ray enclosure doors and/or external warning
devices with the internal safety interlock circuitry
of the system. Figure 3-4 illustrates the two
circuits provided for this purpose.
Pins A and B are used to connect the enclosure
door switches. When pins A and B are properly
connected, x-ray generation is only possible when
the enclosure doors housing the Tube Head are
closed
. Note that pins “A” and “B” of the interlock
connector must form a closed circuit to operate
the X-ray unit. If no external switch interlocks are
incorporated, a jumper connection is provided
within the mating connector to form the closed
circuit.
Pin “B” connects to a “Fail Safe” circuit. A
24Vdc signal must be applied
to pin “B” in order to
enable x-rays.
Pins “D” and “E” provide a switch closure to
operate a warning device such as a light for X-ray
Pre-
warning and Pins “C” and “D” operate a
24Vdc
warning device such as a light for “X-ray
On” when x-rays are being generated. The pre-
warning operates for a specified amount of time
before X-rays can be generated.
Pins “F” and “G” serve to confirm warning 24Vdc
indicators are functional as a test for the operator.
The signal can be configured high or low
depending on the operator preference. Pin “G”
supplies a +24V source.
Ships with standard 120Vac Plug
Figure 3-3
Figure 3-4
J4 Interlock
J4 Interlock
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