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9.5.4 Data transfer NC > NC program (FN18: SYSREAD)
Group
Group
name
number
ID....
Program information
10
Machine status
20
July 2013
The FN18: SYSREAD function is particularly useful for OEM cycles if you wish
to have access from the part program to certain NC data, such as active tool
compensation. A group number, a system data number and an index specify
the particular item of system data that you read:
FN18: SYSREAD Qxxx = IDxxxx NRxxxx IDXxxxx (xxxx: Q parameter or
numerical value); comment
System data
System data
number
index
NR....
IDX....
1
–
2
–
3
–
4
–
1
–
2
–
3
–
4
–
5
–
8
–
9
–
11
–
13
–
15
Number of
logical axis
17
–
9.5 Data Transfer NC > PLC, PLC > NC
System datum
mm = 0, inch = 1
Overlap factor for pocket milling
Number of the active fixed cycle
Number of the last DEF-active OEM
cycle
Active tool number
Prepared tool number
Active tool axis
0 = X 6 = U
1 = Y 7 = V
2 = Z 8 = W
Programmed spindle speed
Active spindle status
–1 = Spindle status undefined
0 = M3 active
1 = M4 active
2 = M5 active after M3
3 = M5 active after M4
Active coolant status
0 = Off, 1 = On
Active feed rate
Index of active tool
Number of the active spindle (0 or 1)
Assignment of the logical axes and
geometrical axes (0 = X, 1 = Y, 2 = Z,
3 = A, 4 = B, 5 = C, 6 = U, 7 = V, 8 =
W)
Current range of traverse
1725
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