HEIDENHAIN ND 231 B v.1 - Manual (Page 7)

7
Switch-on, Traversing the Reference Marks REF Mode
Crossing over the reference marks automatically switches the
display to REF mode: The last assignment of display values to
length gauge positions is stored in nonvolatile memory.
1) Press the CL key if you choose not to cross over the
reference marks. Note that, in this case, the relationship
between length gauge position and display value will be lost if
the power is interrupted or if the unit is switched off.
Turn on the power.
(Switch is located on rear panel).
• Units displays ND 231 B
for 2 seconds.
• Unit displays ENT...CL 1) .
• REF indicator is blinking.
Switch on the reference mark evaluation
function.
• The position value that was last
assigned to the reference mark
position is displayed.
• REF indicator lights up.
• Decimal points are blinking.
⇔
Traverse the reference marks.
Move the plunger until the display starts
counting and the decimal points stop blink-
ing. The display is now ready for operation.
5 , 6 9 7
ENT...CL
0 ➤ ➤ ➤ ➤ ➤ 1
For automation purposes, crossing over the reference marks
and the display ENT ... CL can be disabled with parameter P82.
Switch-on, Traversing the Reference Marks