Siemens SINUMERIK 840D sl Function Manual page 1785

5.3.3 Signals to axis/spindle
DB number Byte.Bit
31, ... 0
31, ... 1.7
31, ... 3.2
3.3
3.4
3.5
31, ... 4.3
31, ... 62.2
31, ... 81
31, ... 83.1
Basic logic functions: Feeds (V1)
Function Manual, 11/2006, 6FC5397-0BP10-2BA0
Description
Feed/spindle override
Override active
Activate fixed feedrate 1 for machine axis
Activate fixed feedrate 2 for machine axis
Activate fixed feedrate 3 for machine axis
Activate fixed feedrate 4 for machine axis
Feed stop/spindle stop
Revolutional feedrate active
F function for positioning axis
Programmed speed too high
Data lists
5.3 Signals
69