26 – 424 HEIDENHAIN Service Manual iTNC 530 HSCI
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 touch probe cable from the connector X112 of the UEC 11x controller unit or the
PL 62xx system module.
8 Use a multimeter which you set to "beep" mode or to ohm measurement.
8 Apply the needle tips to the pins 3 and 10 of the touch probe cable. --> A beep must be heard or
a low ohmic value displayed.
Assignment at the X112 interface (15-pin D-sub, triple-row)
Female Assignment of X112 (TS)
1 Trigger signal
2 Trigger signal
3 TS ready
4 Battery warning
5 + 5 V-NC (+/- 5%)
6 TS start
7 Do not assign
80V-NC
90V-NC
10 + 24 V-NC
11 Do not assign
12 Do not assign
13 Do not assign
14 Do not assign
15 Do not assign
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