Siemens SINUMERIK 840C Installation Instructions Manual page 1013

12 Functional Descriptions
12.22.2 Functional description
ACTIVATE CAM/AXIS
ASSIGNMENT DB48 DR0.6
CAM/AXIS ASSIGNMENT ACTIVATED
= DB48 DR1.6
A -> as a function of PLC program
S -> as a function of system
Notes:
• A cam pair can be only ever be assigned to one NC axis at a time.
• Several pairs of cams can be activated for one axis.
• Cam signals are not output until the axes have been referenced.
• Cams must not be activated until axes have been referenced.
Output of cam signals
The cam signals are transferred in the IPO cycle to the axis-specific interface DB32
DW121+m, bits 8 to 15.
12–238
A
A
S
© Siemens AG 1992 All Rights Reserved
07.97
1
0
S
1
0
6FC5197- AA50
SINUMERIK 840C (IA)