2-12 Safety Summary
High Voltage Safety 5DX Series 3
Power Distribution Unit (PDU)
The 5DX System is powered by line voltage alternating current (ac) of 200 to 415
volts, at 50 or 60 Hertz (cycles), three phase. Prior to distribution to the subsystem
modules, this supply voltage is transformed to the appropriate voltage levels for
the various components. The lines have thermal circuit breakers at both voltage
levels. This power distribution is engaged by the Emergency Stop Contactor,
which is controlled by 12 volts dc, and may be interrupted in an emergency by any
of the following:
• Pressing one of the Emergency Stop Buttons.
• Open the AC “Mains” Disconnect circuit breaker supplying power to the 5DX
System.
Mechanical Safety
The motion mechanics of the 5DX System involve high speed mechanical
assemblies, including the panel conveyors and the XYZ Stage Assembly.
Mishandling could result in bodily injury. To help prevent any risk of injury, the
major motion components of the 5DX System are enabled through the Safety
Interlock Subsystem. If an access panel is open, or if an incorrect sensor state is
WA R N I NG Do not disconnect any motor cables from the motor or servo module unless
you are certain the motor is not spinning. A spinning motor can generate
hazardous voltages. This is especially true for the Rotary Scintillator. Be
sure it stops spinning before disconnecting any cables.
WA R N I NG This product contains high speed motion components. The motion
components can cause severe bodily injury. Do not attempt to open any part
of this product while the motion components are operational. Do not
attempt to defeat the Safety Interlocks.
WA R N I NG The Rotary Scintillator spins at 750 revolutions per minute. The rotation of
the Rotary Scintillator Assembly can cause sever bodily injury. The safety
interlocks do not stop the Rotary Scintillator. Remove power to the Motion
Driver Assembly and wait until the Rotary Scintillator Assembly stops
spinning before removing the clear plastic safety cover.
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