System Overview
2-61
X-Ray/key Switch and Emergency Switch
Key switch is used to control the unauthorized usage of X-ray exposure and vertical lift motor.
Signals from Key switch to Mainframe Control Board:
indicates lift column enable
and x-ray disable
XRAYOFF & COMMON is connected means
XRAYOFF switch has pressed, which represents lift
column function has been selected and exposure
enable has not been selected.
indicates lift column and x-
ON & COMMON is connected means ON switch has
pressed, which represent both lift column and
exposure enable function have been selected.
X-rays can be enabled via the footswitch or the Hand switch. Signals from footswitch and Hand switch to MCB
are listed in the following charts. Detailed interconnect information, please refer to chapter 2.2.3
Signals from Hand Switch to MCB:
connected means
HAND_FLU button has
Hand security line
termination
switch termination
connected means
HAND_HLF button has been
High Level Fluoro hand
security line termination
Signals from Footswitch to MCB:
termination
FOOT_FLU & FOOT_COM is connected
means FOOT_FLU button has been
line
Fluoro foot
switch
FOOT_HLF & FOOT_COM is connected
means FOOT_HLF button has been
pressed
Fluoro foot
security line
FOOT_BUTTON1 & FOOT_COM is
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