Changing A Parameter Value - Siemens sitrans LR 400 Instruction Manual

Changing a Parameter Value

Selecting a Parameter Value from a List
In many cases, you can assign a parameter a value from a list of options.
You will see a single entry of the possible choices in the second display line.
• Press UP
Press RIGHT
the new setting, closes the input and returns to the next parameter level up.
• LEFT operates like a CANCEL key: When pressed, the device closes the
parameter input but keeps the originally displayed value. It does not save a changed
setting!
For an example of assigning a value from a selection list, see
Examples
on page 22.
Functions of Hand Programmer Keys
• Changes display from RUN mode to PROGRAM mode
• Operates as a CANCEL key when programming input position is at the far left
• Moves input position to the left during PROGRAM mode
• Operates as an ENTER key when input position is at the far right. If the input
value is not within the permissible input range. Then an error message is
displayed.
• Moves input position to the right during PROGRAM mode
• Changes input variable up or down
Top or bottom of representable range
If you press UP
SITRANS LR 400 automatically places the value at the next highest position. If 0.9 is
displayed and you press UP
become 100 (depending on whether you have set the input position to the second or first
9), etc.
This input system also works in the opposite direction: For example, when 100 is
displayed and you press DOWN
to 90 or 99 and the device cancels the places in front of the decimal point.
Decimal point
You can also set the cursor to the decimal point (unless an integer value is currently
displayed). UP
necessary additional places in front of the decimal point appear. You cannot change the
number of displayed decimal places.
Page 20 SITRANS LR 400 (Solids) – INSTRUCTION MANUAL
or DOWN to cycle through the list and choose the desired entry.
to assign the current entry to the parameter. The device accepts
when the value is at the top of the representable range,
, the value becomes 1.0. So, 9 becomes 10, 90 or 99
on the first or second 0, the numeric value changes
or DOWN will then multiply or divide the displayed value by 10. The
Parameter Operating
7ML19985JC02