Siemens SIMATIC FM 353, Manual

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Description of Functions
9-56
FM 353 Stepper Drive Positioning Module
6ES7 353-1AH01-8BG0
9.3.12 Active NC block (Read request in the user DB, DBX42.1), next
NC block (Read request in the user DB, DBX42.2)
Active NC block
... are display data in “Automatic” mode
/ Skipped block
L Subprogram callup (fills in UP number)
P Number of runs for subprogram (fills in UP number of runs)
X/t Position/dwell time programmed (fills in value 1)
G1-G3 G function group 1-3
D Tool offset value number
M1-M3 M function group 1-3
F Speed programmed (fills in value 2)
Byte
Data for-
Bit
Byte
Data for
mat
7 6 5 4 3 2 1 0
0 Byte NC program number
1 Byte NC block number
2 8-bit / L P X/t 0 G3 G2 G1
3 8-bit 0 0 0 D M3 M2 M1 F
4 Byte G function 1
5 Byte G function 2
6 Byte G function 3
7 Byte 0
8 DINT 32-bit value 1 (UP number, bytes)
12 DINT 32-bit value 2 (UP number of runs, bytes)
16 Byte M function 1
17 Byte M function 2
18 Byte M function 2
19 Byte D function
Next NC block
as described in “active NC block”