July 2010 25 – 419
Touch probe with cable:
Two red LEDs (offset by 180°) on the TS 220 indicate that the stylus is deflected:
Checking the
"Ready" bridge
In touch probes with cable (not in those with infrared interface) the Ready signal is bridged.
This means that the Ready signal must always be present if a touch probe with cable is
connected.
Proceed as follows to check the Ready bridge:
8 Shut down the control and switch off the machine.
8 Disconnect the keypad cable on connector X12 from the MC.
8 Use a multimeter which you set to "beep" mode or to ohm measurement.
8 Apply the needle tips to the pins 3 and 5 of the touch probe cable. --> A beep must be heard
or a low ohmic value displayed.
Assignment at the interface X12 (D-SUB, 15-pin, 2-row):
MC 42x(B)
Female Assignment X12 (TS)
1 0 V (internal shield)
2 Do not assign
3 Readiness
4 Start
5 +15 V ±10% (U
P
), max. 100 mA
6 +5 V ± 5% (U
P
), max. 100 mA
7 Battery warning
8 0 V (U
N
)
9 Trigger signal
10 Trigger signal
11 to 15 Do not assign
Hsg. External shield
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