HT 8
18.1 HT 8 overview
Turning
752 Operating Manual, 03/2013, 6FC5398-8CP40-3BA1
It also has membrane keys for traversing the axes, for numeric input, for cursor control, and
for machine control panel functions like start and stop.
It is equipped with an emergency stop button and two 3-position enabling buttons. You can
also connect an external keyboard.
References
For more information about connection and startup of the HT 8, see the following references:
Commissioning Manual SINUMERIK Operate (IM9) / SINUMERIK 840D sl
Customer keys
The four customer keys are freely assignable and can be set up customer-specifically by the
machine manufacturer.
Machine manufacturer
Please refer to the machine manufacturer's specifications.
Integrated machine control panel
The HT 8 has an integrated machine control panel consisting of keys (e.g. start, stop,
traversing keys, etc.), and keys reproduced as softkeys (see machine control panel menu).
See Section "Controls on the machine control panel" for a description of the individual keys.
Note
PLC interface signals that are triggered via the softkeys of the machine control panel menus
are edge triggered.
Enabling button
The HT 8 has two enabling buttons. Thus, you can initiate enabling functions for operations
that require enabling (e.g. displaying and operating of traversing keys) with either your right
hand or your left hand.
Enabling buttons are available for the following key positions:
● Released (no activation)
● Enabling (center position) - enabling for channel 1 and 2 is on the same switch
● Panic (completely pushed through)
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