Brookfield DV-III Rheometer - Manual (Page 47)

Brookfield Engineering Laboratories, Inc. Page 47 Manual No. M/98-211-A0701
VI. Rheoloader User's Manual
B.E.V.I.S. (Brookfield Engineering Rheometer Instruction Set) is a scripting language developed
at Brookfield Engineering Laboratories that allows for the creation of flexible programs to control
our line of Rheometers. In the case of the DV-III+ Rheometer, programs are created then loaded
into the Rheometer using the RheoLoader software.
Some features of the scripting language are:
• Repeatedly run the same program for quality control purposes.
• Wait for a prevailing condition before continuing with the program (i.e. torque value, a
temperature value, a key press, etc.).
• Run the Rheometer at any of the speeds in the Custom Speed menu.
• Display messages to the screen or an attached printer to aid in operator usability.
• An internal clock that keeps time between each printed data line (this time is displayed as the last
parameter on each printed line) providing a consistent time base for the collected data.
VI.1 Description of B.E.V.I.S. Commands
Command Code Required Parameter Command Description
WTI Time (MM:SS) The program waits at this step until the specified time elapses.
WPT % Torque value The program waits at this step until the current % torque equals the
(%) especifed value.
WTP Temperature value The program waits at this step until the current temperature equals the
(
°
C) specified value.
WKY 16 character (or less) The specified message is displayed on the top line of the DV-III+ display
text message while PRESS A KEY is displayed on the bottom line of the DV-III+. The
program waits at this step until a viscometer key is pressed. While
waiting at this step, the viscometer produces a beep every few seconds
to remind the operator that a keypress is required to continue. If a print
interval was enabled (see SPI) at the time this command is executed,
the data print timer continues to count up. If the print interval elapses
and a key has not yet been pressed, a line of data displaying the time
since the last data print is printed as soon as a key is pressed.
SSN Speed value The DV-III+ begins rotating at the specified speed. This can be any of
(RPM) the speeds listed in the Speed list of the DVLoader software. These
speeds are the same as those listed in the Custom Speeds list in the
viscometer’s Options menu.
SPI Time The DV-III+ begins printing data to the selected printer (serial or parallel;
(MM:SS) as selected in the DV-III+ menus) at the rate specified. MM:SS is
minutes:seconds.
SSP Two digit spindle code Calculations of viscosity, shear stress, and shear rate are performed
based on the specified spindle code. This command overrides the
spindle currently entered via the keypad on the DV-III+.
STM Temperature value Set and control to the specified temperature if a Brookfield
Engineering Labs. temperature controller is attached to the rheometer.
STZ N/A Sets the data print timer clock back to zero.
PDN N/A The DV-III+ immediately prints a data string to the selected printer (serial
or parallel; as selected in the DV-III+ menus).
PLN 16 character (or less) The DV-III+ prints the specified message to the selected printer (serial
text message or parallel; as selec t ed in the DV-III+ menus).
NOTE: MM:SS is minutes:seconds