HEIDENHAIN TNC 151 Q Mounting Instructions page 77

8.4.3 Clhecking and correction of axis-traversing and counting directions
Mains power on
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Fault display:
POWER lNTIERRUPTED
cancel with CE
0
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Emergency Stop routine
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Display:
TRAVERSE OVER REFERENCE MARKS-
(sequence machine parameter no. 59)
Press "ext. Start"-button
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NO NO
direction. First axis correct direction. First axis correct
t t
(corresponds to directions selected (corresponds to directions selected
with MP-Nos. 16 to 19) with MP-Nos. 16 to 19)
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c
Press Ext. Stop Press Ext. Stop
--
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r +
Switch over polarity of nominal
value voltage for appropriate axis
(MP Nos. 24 to 27)
+
YES
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Axis stops after passing
over reference mark
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Axis stands position looped
in random position
! 1 Mai:,;Er;ro-o:and 1
Fault display:
POWER INTERRUPTED
cancel with CE
q
The flow chart must be worked through for each axis!
t
The axis traversing direction is correct when it corresponds to the pro-
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Emergency stop routine
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grammed values (0. + direction, 1 . - direction) of machine
parameter 16, 17, 18 or 19, as per the machine directions given in
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section 8.1.2).
Correct machine parameter
The counting direction is correct when it corresponds to the designated
20,21,22 or 23 (see section
machine (directions as per section 8.1.2.
8.1.3.1)
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7'