GE Brivo OEC 715, Service Manual, Page: 78 / 551

Brivo OEC 715/785/865/865 Mobile C-Arm X-Ray Product Service Manual
2-24
Interface
Overview
MCB is plugged in Mother Board, and is connected with other sub-systems through Mother Board. The
electrical interface of Mother Board, please refer to Motherboard section.
The external physical interfaces of MCB are defined in the table below:
Connector Name Type Gender Description
J1 MCB digital
signal
connector
DN41612 C
Type Male
Pin All digital signals from/to other sub-system, such as
collimator board, filament board, sealing board, camera,
KV control board etc.
J2 MCB analog
signal
connector
DN41612 Half
C Type Male
Pin All analog signals from/to other sub-system, such as
collimator board, filament board, sealing board, camera,
KV control board etc.
Collimator Control
Signals from MCB to collimator control board are listed as follows.
Name Description Attribution Scale Pin Comment
SPI_SCLK_CCB SPI clock signal Digital 0V/+15V J1-B22 -
SPI_DIN_CCB SPI data from MCB to CCB Digital 0V/+15V J1-C19 -
SPI_SYNC_CCB SPI chip select signal Digital 0V/+15V J1-A21 +15V=effective
RSV_CCB Reversed for future Digital 0V/+15V J1-B15 -
Signals from collimator control board to MCB are listed as follows.
Name Description Attribution Scale Pin Comment
IRIS_POS_F Feedback voltage from Iris
position rheostat
Analog 0-5V J2-C12 -
SHUT_ROT_POS_F Feedback voltage from shutter
rotation position rheostat
Analog 0-5V J2-A12 -
SHUT_WIDTH_POS_F Feedback voltage from shutter
width position rheostat
Analog 0-5V J2-B12 -
Filament Control
Signals from MCB to filament control board are listed as follows.
Name Description Attribution Scale Pin Comment
FILDIS_FDB System general alarm to disable
filament current, Trigger by anyone of
several alarms
Digital 0/+15V J1-B14 +15V= effective
FCSSW_FDB Large focus function selected Digital 0/+15V J1-A15 +15V= effective
MAC_FDB Fluoro mA control signal Analog 3.0-5.0V J2-C11 -
Signals from filament control board to MCB are listed as follows.
Name Description Attribution Scale Pin Comment
OCALM_FDB Overcurrent alarm of +24V power
supply in filament board
Digital 0/+15V J1-C16 +15V= effective
PWMC_FDB PWM control signal of filament current Analog 0/+15V J2-B11 -