Output Of Auxiliary Functions And Block Information; General - Siemens SINUMERIK 880 SW 6 Planning Manual

6 NC Channel/PLC Interface (DB 10 ... DB 25)

6.6 Output of auxiliary functions and block information

6.6 Output of auxiliary functions and block information
6.6.1

General

The M, S, T and H auxiliary functions and D and F block information are output to the interface
together with the respective modification signals. The modification signals indicate that the
value in the relevant word is valid.
The M, S, T and H auxiliary functions can be written with an extended address. If an auxiliary
function has been programmed with an extended address, this is output as well.
The output sequence is:
M WORD 1, M WORD 2, M WORD 3, S, T, H, D, F.
Example:
M1=5 Stop for spindle 1
M2=5 Stop for spindle 2
Example of output of several items of information programmed in one NC block:
1
2
3
4
5
6
7
Signal chart
1: NC block with information in intermediate memory
2: Data transfer to main memory
3: M modification signal
4: S modification signal
5: T modification signal
6: H modification signal
7: LAST INFORMATION signal
–
6 38
N 10 M03 S T H L
F
M03
S
T
H
t
c
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Siemens AG 1991 All Rights Reserved
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6ZB5 410-0HE02
SINUMERIK 880 (PJ)