Siemens SINUMERIK 840D sl Function Manual page 895

13.7.3 Signals
13.7.3.1 Signals to axis/spindle
DB number Byte.bit
31, ... 12.4
13.7.3.2 Signals from axis/spindle
DB number Byte.bit
31, ... 74.4
Extended Functions
Function Manual, 03/2009, 6FC5397-1BP10-4BA0
Description
Traversing-range limitation for modulo axis
Description
Status of software-limit-switch monitoring for modulo axis
Rotary Axes (R2)
Data lists
895