GE Brivo OEC 715 Service Manual page 78

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