HEIDENHAIN iTNC 530 Service Manual page 424

By means of logic diagram:
By means of test adapter:
Signal
Ready signal
Negated trigger signal Pin 9
Negated trigger signal Pin 9
The 0 V reference potential (U
measurement" on page 27 – 462
25 – 424
Switch on the machine.
Turn the feed-rate potentiometer to a low value.
Call the logic diagram. --> See "The LOGIC diagram" on page 11 – 125
Enter the operands M4050 and M4051 and place the trigger on M4051.
Start the recording.
Start the probing cycle with the TT (tool touch probe).
Check the marker 4050.
If the probe is ready, this marker has the status zero!
Deflect the tool touch probe by hand.
Check marker 4051.
If the touch probe is deflected, this marker changes to one!
In the machine display appears the message Stylus deflected.
Switch off the machine.
Connect the test adapter between MC (connector X13) and touch probe cable.
--> See "Test Adapter" on page 29 – 562.
Switch on the machine.
Turn the feed-rate potentiometer to zero.
Start the probing cycle with the TT (tool touch probe).
Deflect the tool touch probe by hand.
Measure the respective voltage:
Connector
X13
Pin 4
Pin 7
Pin 1
Note
If available, you can also connect an identical TT probe to test the functionality!
Voltage Meaning
+15 V Power supply
+ 5 V Power supply
+15 V Probe is ready
+ 5 V Probe is ready, at rest
0 V Probe already deflected.
) is on pin 2. --> See "X13: Connection of the touch probe for tool
N
HEIDENHAIN Service Manual iTNC 530