Yokogawa Removable Chassis DX1000N - Manual (Page 246)

9-2
IM 04L41B01-01E
• Conditions of TLOG Computation and Rolling Average
Press MENU (to switch to setting mode), and select the Menu tab > Math channel >
TLOG, Rolling average.
• Display for Computation Errors and Handling of Overflow Data in
Statistical Computation
Press MENU (to switch to setting mode), hold down FUNC for 3 s (to switch to basic
setting mode), and select the Environment tab > Math.
Setup Items
• First-CH/Last-CH
Set the target channels.
• Expression/Span
• Math On/Off
Select On for channels to be used.
• Calculation expression
Enter the expression using up to 120 characters.
Pressing the Input soft key displays a window used to enter the expression.
Press the M1/M2 soft key to switch between a screen used to enter values
and characters and a screen used to enter operators and functions. Use
soft keys, arrow keys, and DISP/ENTER to enter an expression.
For details on how to write expressions, see section 9.2.
Note
You cannot use both the USB keyboard (/USB1 option) and the DX keys to enter the equation.
If you press a DX soft key, for example, while you are entering an equation from the USB
keyboard, the entered equation is cleared.
9.1 Setting the Expression, Measurement Range, Alarm, Tag, and Data Storage on Computation Channels