GE Brivo OEC 715, Service Manual

Page: 115 / 551

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:
Name Description Attribution Scale Comment
XRAYOFF The termination which
indicates lift column enable
and x-ray disable
Passive Open/Close XRAYOFF & COMMON is connected means
XRAYOFF switch has pressed, which represents lift
column function has been selected and exposure
enable has not been selected.
ON The termination which
indicates lift column and x-
ray are both enable
Passive Open/Close ON & COMMON is connected means ON switch has
pressed, which represent both lift column and
exposure enable function have been selected.
COMMON Common termination Passive - -
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:
Name Description Attribution Scale Pin Comment
HAND_FLU Hand switch termination Passive Open/Close J1-B28 HAND_FLU & HAND_COM is
connected means
HAND_FLU button has
pressed
HAND_HLF_SECURITY Hand security line
termination
Passive Open/Close J1-C27 -
HAND_HLF High Level Fluoro hand
switch termination
Passive Open/Close J1-B7 HAND_HLF & HAND_COM is
connected means
HAND_HLF button has been
pressed
HAND
_HLU_SECURITY
High Level Fluoro hand
security line termination
Passive Open/Close J1-A22 -
HAND_COM Common termination Passive - J1-C15 -
Signals from Footswitch to MCB:
Name Description Attribution Scale Pin Comment
FOOT_FLU Foot switch
termination
Passive Open/Close J1-A27 FOOT_FLU & FOOT_COM is connected
means FOOT_FLU button has been
pressed
FOOT_FLU_SECURITY Foot security
line
termination
Passive Open/Close J1-C28 -
FOOT_ HLF High Level
Fluoro foot
switch
termination
Passive Open/Close J1-A14 FOOT_HLF & FOOT_COM is connected
means FOOT_HLF button has been
pressed
FOOT_ HLF _SECURITY High Level
Fluoro foot
security line
termination
Passive Open/Close J1-C31 -
FOOT_BUTTON1 Button 1 Passive Open/Close J1-A20 FOOT_BUTTON1 & FOOT_COM is