HEIDENHAIN TNC 620 User Manual page 494

14
Manual Operation and Setup
14.4 Optional safety concept (functional safety FS)
Explanation of terms
Safety-related operating modes
Description
SOM_1
SOM_2
SOM_3
SOM_4
Safety functions
Description
SS0, SS1, SS1F,
SS2
STO
SOS
SLS
494
Brief description
Safe operating mode 1: Automatic
operation, production mode
Safe operating mode 2: Set-up mode
Safe operating mode 3: Manual
intervention; only for qualified operators
Safe operating mode 4: Advanced manual
intervention, process monitoring
Brief description
Safe stop: Safe stopping of all drives using
different methods
Safe torque off: Energy supply to the motor
is interrupted. Provides protection against
unexpected start of the drives
Safe operating stop. Provides protection
against unexpected start of the drives
Safely-limited speed. Prevents the drives
from exceeding the specified speed limits
when the protective door is opened
HEIDENHAIN | TNC 620 | Conversational Programming User's Manual | 10/2015