3 | Product description BÜCHI Labortechnik AG
14/65 Operation Manual Vacuum Pump V-600
Fig.4: 8-pin MiniDin pin assignment, view of socket
Pin
8-pin notation
Symbol Description
1 DGND Digital ground
2 Detection DIGIN Digital input detection
3 nc not connected
4 AIN 0 – 10 V Analog Input 0 – 10 V (max. -0.2 V ... 12
V)
5 nc not connected
6 nc not connected
7 Detection AIN Analog input detection
8 DIGIN PWM Digital input ON/OFF
Connection for fill level sensor (LEVEL)
A fill-level sensor can be connected to the Vacuum Pump V-600 as an option. The fill-
level sensor measures the fill level of the receiving flask if a secondary condenser or
a secondary cold trap is connected to the V-600. If the relevant level is exceeded in
the receiving flask, a message appears on the display of the Interface I-300/I-300 Pro.
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