Logic Editor - ABB ScreenMaster RVG200 Operating Instructions Manual

ScreenMaster RVG200
Paperless recorder

7.12 Logic editor

Note. The logic equation editor tabs are displayed only if the Math / Logic option is enabled.
LE1 (to 24)
Operand / Operator 1
Operand (1 to 6)
Invert condition
Operator (1 to 6)
Eqtn tag & log enable
Equation tag
Log enable
OI/RVG200-EN
Select the logic equation to create or modify.
Specify the first operand – can be any digital signal.
Invert the signal, if required.
Select an operator for the next input – see Table 7.4.
All inputs high
Any (or All) input(s) low
Any (or All) input(s) high
No inputs high
Any, but not All, input(s) high
Table 7.4 Logic operators
Repeat these steps until the equation is complete.
Enter an equation tag (20 characters maximum) to be displayed in the
Alarm Event log.
Refer to Appendix F, page 180 for further information regarding character
use in tags.
Set to On to enable changes in the equation's state to be recorded in the
Alarm Event log.
A
Inputs
B
Operators
AND
NAND
OR
NOR
XOR
7 Configuration
0 0 1 1
0 1 0 0
Outputs
0 0 1 1
1 1 1 0
0 1 1 1
1 0 0 0
0 1 1 0
129