7
The screen content includes two operating
modes, the program, graphics and the machine
status
PLC function keys (soft keys) for machine
functions
Keys for screen management (screen layout),
mode of operation and for shifting between soft-
key rows
Self-explanatory function keys (soft keys) for NC
programming
Alphanumeric keyboard for comments or DIN/
ISO programs and a set of PC keys for
controlling the operating system functions.
USB port for additional data storage or pointing
devices
Axis-selection keys and numeric keypad
Function keys for programming modes,
machine modes, TNC functions, management
and navigation
Override potentiometers for feed rate, rapid
traverse and spindle speed
Machine operating panel with snap-on keys
and LEDs
Ergonomic and elegant, state-of-the-art
and fi eld-proven—HEIDENHAIN controls
in a new design. Judge for yourself:
Durable
The high-quality stainless steel design of
the TNC 640 features a special protection
coating and is therefore highly resistant to
soiling and wear.
Smooth
The rectangular, slightly rounded keys are
pleasant to the touch and reliable in
operation. Their inscriptions do not wear
off, even under extreme workshop
conditions.
Flexible
The integrated machine operating panel
features easily exchangeable snap-on keys.
Reliable
The elevated key bed of the machine
operating panel prevents accidental
actuation. LEDs serve for status display of
each key by clearly indicating the active
machine functions.
Versatile
Soft keys both for the programming and
the machine functions always show only
the currently available selections.
Sensitive
With the handy control knobs you can
individually adjust the feed-rate, rapid
traverse and spindle speed.
Communicative
The fast USB 2.0 interface lets you connect
storage media or pointing devices to the
keyboard simply and directly.
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