STX Signal Transmitter Installation and Operation ... - Kistler-Morse

Chapter 9. MVS-STX Math Channels
8. Press the F1 Key to select C. Press 1
on the keypad. Press the F2 Key to
select +. The display shows:
C9=(C1+
‘C’ ‘+’ ‘*’
F1 F2 F3
9. Press the F1 Key to select C. Press 2 on
the keypad. Press the F2 Key to
select +. The display shows:
C9=(C1+C2+
‘C’ ‘+’ ‘*’
F1 F2 F3
10. Press the F1 Key to select C. Press 3 on
the keypad. Press the F2 Key to
select +. The display shows:
C9=(C1+C2+C3+
‘C’ ‘+’ ‘*’
F1 F2 F3
11. Press the F1 Key to select C. Press 4 on
the keypad. The display shows:
C9=(C1+C2+C3+C4
‘C’ ‘+’ ‘*’
F1 F2 F3
12. Press the Menu Key two times to
access the menu’s third page.
The display shows:
C9=(C1+C2+C3+C4
‘(’ ‘)’ CLR
F1 F2 F3
13. Press the F2 Key to select ).
The display shows:
9=(C1+C2+C3+C4)
‘(’ ‘)’ CLR
F1 F2 F3
Notice the display has started to scroll —
the C on the far left is not visible because
of space limitations.
14. Press the Menu Key three times to
access the menu’s second page.
The display shows:
9=(C1+C2+C3+C4)
16. The entire equation is now input. Use the
Arrow Keys to scroll through the equation
to ensure it is entered correctly. Use the
Key to back up the cursor to correct
entries. After you have checked the
equation, press the Enter Key to save it
in memory. If the equation does not have
any compile errors, the display flashes a
message acknowledging Script Compile
Successful and returns to:
MAIN MENU
Disp I/O Math
F1 F2 F3
17. Press the Esc Key to scroll up the menu
tree or press the Auto/Man Key to return
to channel monitoring.
Channel 9 will now display the average of the
weights in vessels 1 through 4. You can
assign setpoints and current outputs for
Channel 9 in the same manner as for a
vessel monitoring channel.
Error Messages
If you make an error inputting an equation in a
math channel, the MVS responds in one of
two ways:
• After you input the equation and press
the Enter Key, the MVS is not able to
compile the equation and responds with a
compile error code.
• After you input the equation and press
the Enter Key, the MVS responds with
Script Compile Successful. However,
when you switch to channel monitoring
for the math channel, the MVS is not
able to perform the calculation and
responds with a run time error code.
Listed below are the compile error codes and
the run time error codes.
‘-’ ‘÷’ ‘=’
F1 F2 F3
15. Press the F2 Key to select ÷. Press 4.0
on the keypad. The display shows:
1+C2+C3+C4)÷4.0
‘(’ ‘)’ CLR
F1 F2 F3
9-5