Power Box; Pwb-40Exray Board - Canon CXDI-40G COMPACT Service Manual

2 Power Box

Main functions
(1) Supply of power to the sensor unit (internal power supply 7m unit)
(2) Interfacing with the X-ray generator
(3) Relay of Ethernet communications while simultaneously providing isolation from the
network to ensure safety (AC 230V, basic insulation)
(4) Provision of switches for starting the sensor unit firmware, initializing codes
The power box consists of the PWB-40EXRAY board (X-ray interface) and power supply,
and it comes with functions to transfer signals to and from the sensor unit, supply power,
and transfer signals to and from the X-ray generator.
Each sensor unit must be connected to one power box and vice versa, and multiple
numbers of units cannot be connected to one box and vice versa.

2.1 PWB-40EXRAY Board

This board comes with the functions described below.
(1) Interfacing with the X-ray generator
(2) Relay of Ethernet communications while simultaneously providing isolation (AC
230V, basic insulation)
(3) Power supply 7m setting (JP1 #6-#8 shorted)
(4) Provision of switches for starting the sensor unit firmware, initializing codes
3. Function
Ready Lamp Unit
AC Power
cable with
Power supply
plug
unit (7m)
- 6 -
Patient environment
Control PC