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Instruction manual V 6.0 - 08/2006
5.3.1 Port and switch functions
Mains switch
Switch in position “0“ - instrument disconnected from mains except for
the socket panel.
Socket panel switch
Control light is on (red), when the socket panel switch is ON.
Foot switch connection
Optionally, a foot switch can be connected for the purpose of section
thickness documentation (GLP).
RS 232 interface
The RS 232 interface links the PC to the PLC.
Switch for external alarm signal
The external alarm (acoustic signal) is triggered, when the
chamber temperature exceeds the selected value. When the temperature
dips back down below the defined threshold, the external alarm is imme-
diately switched off. Loss of mains power supply (instrument switched off
or power failure) will also trigger the external alarm. On return of mains
supply the alarm is automatically switched off.
To activate the external alarm function, press the alarm signal switch.
The green LED in the switch button lights up. To deactivate the external
alarm function, press the alarm signal switch once again. The green LED
in the switch button is extinguished.
Connection for external alarm
Forwarding an external alarm.
Compressed air supply
Connection of compressed air hose to extraction unit.
Control lamps
Indicate function of the refrigerating sets.
5. Installation