12.93 12 Functional Descriptions
12.22.2 Functional description
7 6 5 4 3 2 1 0
Bit No.
Byte no.
Axis1
DL
121 Cam
4+ Cam
4– Cam
3+ Cam
3– Cam
2+ Cam
2– Cam
1+ Cam
1–
Axis1
DR
121
Axis2
DL
125 Cam
4+ Cam
4– Cam
3+ Cam
3– Cam
2+ Cam
2– Cam
1+ Cam
1–
Axis2
DR
125

:

:

Axis30
DL
237 Cam
4+ Cam
4– Cam
3+ Cam
3– Cam
2+ Cam
2– Cam
1+ Cam
1–
Axis30
DR
237

Signals from axis

15 14 13 12 11 10 9 8

The user can also output the cam signals in the IPO cycle via a digital output byte of the

MIXED I/O. The cam signals are assigned to a MIXED I/O output byte via NC MD 311.

7 6 5 4 3 2 1 0
Bit No.
Byte No.
1 or 2 Cam
4+
Cam
4– Cam
3+ Cam
3– Cam
2+ Cam
2– Cam
1+ Cam
1–

MIXED I/O

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12–239

SINUMERIK 840C (IA)