Siemens SINUMERIK 840C Installation Instructions Manual page 1012

12.93
Assignment between cam pairs and axes
The cam pairs are assigned via the NC/PLC interface to specific axes as follows:
Bit No. 11 10
DB32 DW123
127
131
239
Bit 11 Bit 10
Bit 9
0 0 0
0 0 0
0 0 1
0 1 0
1 0 0
The changed cam assignments are not transferred to the NC until a 0/1 signal edge change in
the ACTIVATE CAM/AXIS ASSIGNMENT signal (DB 48 DR0.6). As an acknowledgement of
transfer, the user receives the CAM/AXIS ASSIGNMENT ACTIVATED signal (DB 48 DR1.6).
He must then reset the signal DB48 DR0.6.
© Siemens AG 1992 All Rights Reserved
SINUMERIK 840C (IA)
9 8
1st axis
2nd axis
3rd axis
.
. .
30th axis
Function
Bit 8
0 "Cam pairs" function inactive
1 Cam pair 1 active
0 Cam pair 2 active
0 Cam pair 3 active
0 Cam pair 4 active
6FC5197- AA50
12 Functional Descriptions
12.22.2 Functional description
12–237