V&P Scientific, Inc.
6
Technical Note 396C
provided USB flash drive. If your company policy does not allow the use of the provided USB
stick, we suggest asking your IT department for a recommendation.
4.
Alternatively, the
ASCII commands can be sent by an automated liquid handler’s software to
control the SpinVessel®. Since there are many different automated liquid handlers available,
please contact a technical representative from the company that makes the liquid handler.
Connecting and sending commands
1.
Set up the system as described in the Set-Up section of the SpinVessel® Technote with the USB
cable connected to the computer to be used.
2.
Open the Serial Terminal program (V&P Scientific version or other).
3.
Turn on the SpinVessel® instrument as described.
4.
Select the appropriate COM port and click CONNECT to establish a line of communication
between the instrument and the computer.
5.
Create ASCII command strings as outlined in the diagram shown below to control the instrument
with the following parameters:
a.
Speed of rotation in revolutions per minute (RPM).
b.
Number of rotations before reversing direction.
c.
Fraction of a rotation (input 0-9 for fractions of a rotation).
d.
Pause, in milliseconds, before reversing direction.
e.
Ramping, 0-100, where 0 is no ramping (rapid acceleration) and 100 is full ramping (slow
acceleration)
6.
Hit ENTER to send command and start rotation of the SpinVessel® instrument.
7.
To stop, type <0> and hit ENTER.
RPM
Fraction of
Rotation
<150,2,1,200,10>
Pause
ASCII Command String API For SpinVessel®
Number of
Rotations
Ramping
