Siemens SINUMERIK 840Di sl Commissioning Manual page 80

Hardware Descriptions
2.8 Handheld units
Order Number
Description
HT8 without handwheel
HT8 with handwheel
Features
The SINUMERIK HT8 is a handheld operating and programming device that combines the
functions of an operator panel front and a machine control panel. The HT8 has a 7.5" TFT
color display and is operated via a touch screen and membrane keys. It is equipped with an
emergency stop button and two 3-position acknowledgement buttons for left and right-
handed operators.
The HT 8 is hot-plug capable. This allows trouble-free connecting and disconnecting of the
connector during operation, without triggering an Emergency Stop.
The HT 8 is available in two variants:
● with acknowledgement button, Emergency Stop button, override rotary switch
● with acknowledgement button, Emergency Stop button, rotary override switch, and
The module has the following essential features:
● LC display as a Touch Screen
● 52-key membrane keyboard
● Emergency stop button
● Rotary override switch (19 positions)
● Handwheel (optional)
● 2 acknowledgement buttons (2-channel, 3-stage)
● Serial interfaces:
● CF Card interface
● Power supply (+24 V)
80
handwheel
– 640 x 480 (VGA) Color TFT
– Inverter on board
– 24 machine control keys
– 28 control keys (number block keys, cursor pad, function keys)
– HT 8 connecting cable to terminal box / connection module
– USB interface (with dummy plugs)
Order number (MLFB)
6FC5 403 - 0AA20 - 0AA0
6FC5 403-0AA20-1AA0
Commissioning Manual, 05/2008, 6FC5397–4CP10–4BA0
Manual