Siemens SINUMERIK 840D sl Function Manual page 575

Applies to all modes
Cross-mode synchronized actions
Modal synchronized actions can be executed per IDS in all modes for the following functions
in parallel to the channel:
• Command axis functions
• Spindle functions
• Technology cycles
Selection
The user can select the desired operating mode by means of soft keys on the operator
interface.
This selection (AUTOMATIC, MDA or JOG) is forwarded on interfaces signals:
DB11, ... DBX4.0 to DBX4.2 (strobe mode)
in the PLC, but not yet activated.
Activation and priorities
The desired mode of the mode group is activated via the interface signals:
DB11, ... DBX0.0 to DBX0.2 (mode).
If several modes are selected at the same time, the following priority is in effect:
• JOG (1st priority, high) (DB11, ... DBX0.2)
• MDA (2nd priority, medium) (DB11, ... DBX0.1)
• AUTOMATIC (3rd priority, low) (DB11, ... DBX0.0)
Display
The current mode of the mode group is displayed via the interface signals:
DB11, ... DBX6.0 to DBX6.2 (active mode)
:
• JOG (DB11, ... DBX6.2)
• MDA (DB11, ... DBX6.1)
• AUTOMATIC (DB11, ... DBX6.0)
Basic logic functions: Mode group, channel, program operation, reset response (K1)
Function Manual, 11/2006, 6FC5397-0BP10-2BA0
Detailed description
2.2 Mode groups
17