Bpu - Blood Pressure Board - GE eBike III basic Series Service Manual

Bpu - B
lood pressure Board
The BPU electronics is responsible for analyzing the
microphone signals, controlling the valves and the pump.
The input of the microphone (1) is galvanically isolated, see
upper left in picture.
A redundant surveillance system (with two pressure
sensors (2) ) continously monitors the actual cuff pressure
and the pump time.
The BPU board is connected to other PCBs by use of the
direct bus connector (3).
The measuring valve is connected to J6 (4) and the pump
to J4 (5).
Note
• The BPU is ALWAYS the last module last module placed
in the "PCB chain" on the electronic carrier
• The SMU board is mounted between BPU and LIU
- 34 -
2
2
bde-
blood preSSure meaSuring board
e
rgometer blood preSSure unit
eBike III basic / comfort
1 4 5
pump
measuring valve
,
complete
2018111-336 Rev. B
3