The output module consists of 2 electrotherapy channels and 2 vacuum channels (with 4 vacuum
connections).
Each configuration of electrotherapy and vacuum is possible.
The output PCB contains of the output circuitry for the use of electrotherapy with or without vacuum.
Whether vacuum is used or not is determined by the micro controller via several relays.
Both channels can be switched off separately via micro controlled valves.
The vacuum can be set between 50 and 400mBar in the continuous mode. In the pulsating mode the
vacuum can be set between 60 and 600mBar.
The level of the vacuum is controlled by means of the vacuum pump and an air inlet via a valve.
The water that comes into the system is collected into a water reservoir. The water reservoir can be
emptied via an external tube.
5.3 Console circuits.
The console module is the module that forms the interface to the user.
The interface consists of:
• A rubber keypad that makes the contact via a membrane keyboard on the console PCB. The
matrix of the keys is controlled by the micro controller.
• Two encoders directly controlled by the micro controller
• The converter for the backlight controller
Phyaction Guidance E/C – service manual version 0.5 Page 20
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