GE Brivo OEC 715, Service Manual

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Brivo OEC 715/785/865/865 Mobile C-Arm X-Ray Product Service Manual
2-40
Interface:
AC power input
The AC power input is listed as follows.
Name Description Pin Attribution Scale Comment
MF_AC28V_L AC power input for motor J1-1 POWER 28V AC ----
MF_AC28V_N AC power input for motor J1-3 POWER 28V AC ----
Up/down orders interface
Signals used to control the motion direction of the lift column motor are listed as follows.
Name Description Pin Attribution Scale Comment
UP_N Up order from the up key J2-1 Digital 0V/24V LOW =the up key is pressed
GND_PS1 ---- J2-3 Ground 0V ----
DOWN_N
Down order from the
down key
J2-5 Digital 0V/24V LOW =the down key is pressed
DOWN_SECURITY
_N
Down security order from
the down security key
J2-6 Digital 0V/24V
LOW=the down security key is
pressed
Key switch interface
The key switch signals to enable or disable the motion of the lift column motor are listed as follows.
Name Description Pin Attribution Scale Comment
KEY_N Disable motion signal from
the key switch.
J3-1 Passive Short/open short=Enable motion
GND_PS1 0V. J3-2 Ground 0V ----
Lift column motor interface
The DC power supplies for the motion of the lift column motor are listed as follows.
Name Description Pin Attribution Scale Comment
MOTO1
DC power to the lift column motor.
Up motion when the voltage is
higher than MOTO2’ s.
J4-1 Power 0--+40VDC The DC voltage between
MOTO1 and MOTO2 shall be
within the range: -40VDC--
+40VDC MOTO2
DC power to the lift column motor.
Down motion when the voltage is
higher than MOTO1’ s.
J4-4 Power 0--+40VDC
Mainframe Control Board interface
The signals to MCB are listed as follows.
Name Description Pin Attribution Scale Comment
DOWN_PROTECT_T
O_MCB_N
Proximity protecting signal
to MCB.
J5-1 Digital 0V/+15V LOW=Proximity protect
UDB_OVERCUR_N Overcurrent signal to MCB. J5-2 Digital 0V/+15V LOW =Error, overcurrent
UP_TO_MCB_N Up signal to MCB. J5-3 Digital 0V/+15V
LOW =The motor is at
up motion
DOWN_TO_MCB_N Down signal to MCB. J5-5 Digital 0V/+15V
LOW =The motor is at
down motion
DOWN_SECURITY_
TO_MCB_N
Down security key signal to
MCB.
J5-6 Digital 0V/+15V
LOW =Down security
key is pressed
UDB_ENABLE
Preserved signal from MCB
to disable the motor motion.
J5-7 Digital 0V/+15V LOW =Disable motion
+24V_UDB DC 24V power input to UDB. J5-8 Power +24V ----
GND_PS1 ---- J5-9 Ground 0V ----