Heidolph Hei-VAP, Operating Manual

Page: 39 / 96

Operation
39
Connecting to a PC
The vacuum box can be connected to a PC via USB.
1. Connect the vacuum box to a PC using an USB cable.
2. Configure HyperTerminal on the PC.
3. Interface settings:
▪ Bits per second: 115200
▪ Data bits: 8
▪ Parity: none
▪ Stop bits: 1
▪ Stream control: none
4. The protocol values are displayed in HyperTerminal:
▪ For example: 20;31.4;25.3;976
▪ Rotation = „20“
▪ HB-Temperature = „31.4“
▪ Ext. Sensor-Temperature = „25.3“
▪ Vacuum = „976“
Setup
Online Help Shows Online-Help instead of the actual values in the menu
SETpressure, AUTOeasy, AUTOaccurate, Gradient, Favorites and
Setup.
Safety pressure If the system reaches the setting of the Safety Pressure point,
the vacuum control and flask rotation is stopped, the evaporator
is vented and the motor lift is raised (ML only). Setting range is
between 900 and 1200 mbar.
Heating Bath Media Allows switching between different heating bath media and sets
a limit to the maximum heating bath temperature for the media
for operator safety.
Max. Temp. Heating
Bath
Sets the limit of the maximum heating bath temperature which
can be set. The chosen bath media has an influence on the
temperature range. Maximum set range between 20 and 210 °C.
Language Sets language of the interface.
Bath Power at End Sets the state of the bath after the process has ended. When
setting is „off” the bath is powered down after the process is
terminated.
Brightness Display Changes brightness of the display.
Calibrate p-sensor Opens sub-menu for calibration of the pressure sensor.
Error history Shows the errors and history of occurrence for service data.
Reboot setup All settings of the Setup are put into the state of factory setting
when Reboot engaged.
Scale time axis Sets range of the visible time frame in the graphical „display
actual values”. Set range is between 1 and 120 minutes.