HEIDENHAIN TNC 620 User Manual page 496

14
Manual Operation and Setup
14.4 Optional safety concept (functional safety FS)
Activating feed-rate limitation
When the F LIMITED soft key is set to ON, the TNC limits the
maximum permissible axis speeds to the specified, safely limited
speed.
Select the Manual operation mode
Scroll to the last soft-key row
Switch on/off feed rate limit
Additional status displays
On a control with functional safety FS, the general status display
contains additional information about the current status of safety
functions. The TNC shows this information as operating statuses of
the status displays T, S and F
Status display
STO
SLS
SOS
STO
The TNC shows the active safety-related mode of operation with an
icon in the header to the right of the operating mode text:
Button
496
Brief description
Energy supply to the spindle or a feed drive
is interrupted.
Safely-limited speed: A safely limited speed
is active.
Safe operating stop: Safe operating stop is
active.
Safe torque off: Energy supply to the motor
is interrupted.
Safety-related operating mode
SOM_1 operating mode active
SOM_2 mode active
SOM_3 mode active
SOM_4 mode active
HEIDENHAIN | TNC 620 | Conversational Programming User's Manual | 10/2015