Configuring Logic Math (/Mt Option) - YOKOGAWA GX20 User Manual

1.9 Configuring Logic Math (/MT option)
Path
Description
IM 04L51B01-01EN
Logic math is a function that outputs calculated results as 0 or 1 to relays (DOs) or internal
switches.
GX/GP: MENU key > Browse tab > Setting > Setting menu Logic math settings
Web application: Config. tab > Logic math settings
Hardware configurator: Config. tab > Logic math settings
Logic math number
Setup Item
Logic math number
Logic math number
You can set up to 20 logic math expressions on the GX10/GP10 and up to 50 expressions
on the GX20/GP20. Select the number of the logic math expression you want to set.
Output
Setup Item
Output type
Output No.
Output type
Select the output type of the calculated result.
Output No.
Select the output number of the calculated result. You can only select internal switch
numbers, relay (DO) channels, or PID control module's DO with the type set to manual.
Calculation expression
Type Computing Element
Auxiliary operation +, -
Basic arithmetic +, -, *, /
Relational operation .GT., .GE., .LT., .LE., .EQ., .NE., >, >=, <, <=, =, <>
Logical operation AND, OR, NOT, XOR
Conditional operation [expression 1 ? expression 2 : expression 3]
Bit operation BIT.Bnn()
Up to 120 characters can be entered in a calculation expression.
Data That Can Be Used in Expressions
See page 1-84 in section 1.8.2, "Setting Expressions".
Note
You cannot change the calculation expression while recording is in progress.
Selectable Range or Options
GX10/GP10: LM01 to LM20
GX20/GP20: LM01 to LM50
Selectable Range or Options
Off, Switch/Relay
DO channel or internal switch
1
2
3
4
Default Value
—
5
App
Default Value
Off
—
Index
1-107