HEIDENHAIN iTNC 530 Service Manual page 406

On the SE 540, there is a LED with the following meaning:
Color
Red (blinking)
Green
Orange
Off
Short
functional test
The probe to be investigated must be located inside the spindle.
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Logic diagram
25 – 406
Note
A detailed description for optical status control, for direction of beam, for battery change, for
stylus change, for centering, technical data, etc. can be found in the corresponding
mounting instructions of the touch probe!
DANGER
Ask the machine operator and regard the machine manufacturers's safety instructions
(setup mode, etc.)!
Call the logic diagram and enter the operands M4050 and M4051. Set the trigger to M4051.
--> see "The LOGIC Diagram" on page 10 – 82.
Begin recording.
Check marker 4050. If the probe is ready, this marker has the status zero!
Deflect the stylus manually.
Check marker 4051. If the stylus is deflected, this marker changes to one!
Note
You can also connect the test adapter between MC (X12) and probe cable and measure the
corresponding voltages and signals.
--> see "Test Adapter, ID 375830-01" on page 29 – 456!
Ready signal
Trigger signal negates
Trigger signal negates
0 V (UN) are on pin 8 --> see "X12: Connection of the touch probe for workpiece
measurement" on page 13 – 145
Meaning
Touch probe ready, but no infrared connection
available
Infrared connection available
Stylus already in contact
Touch probe not ready
(X12/pin3) +15 V --> Probe ready
(X12/pin10) +5 V --> Probe ready, stylus at rest
(X12/pin10) 0 V --> Probe ready, stylus at rest
HEIDENHAIN Service Manual iTNC 530