6-46
FM 453 Servo Drive / Step Drive Positioning Module
C79000-G7076-C453-01
6.8
Technical Specifications
The following table gives you an overview of the memory allocated to FCs.
Table 6-9
Memory Allocated to FCs
No.
FC
Block in Bytes
MC7 Code in
Bytes
Local Data in
Bytes
1
INIT_DB
224
120
4
2
MODE_WR
1226
970
26
3
RD_COM
774
584
24
4
DIAG_RD
302
180
34
5
MSRMENT
288
172
26
6
DIAG_INF
282
166
26
The following average processing times for FCs were measured with a CPU
413. The specified times are rounded:
Table 6-10
Processing Times of FCs
FC
Transfer
Cycle 1
Cycle 2
Cycle 3
INIT_DB
–
–
–
–
MODE_WR
Write control/checkback sig-
nals without data (job = 0)
0.8 ms
–
–
Write control/checkback sig-
nals with data (job > 1)
0.9 ms
2.5 ms
0.9 ms
RD_COM
Read data
2.4 ms
–
–
DIAG_RD
MSRMENT
DIAG_INF
Read process and diagnostic
interrupt data
2.2 ms
–
–
Memory Allocation
Processing Times
Programming the FM 453
Содержание SIMATIC FM 453
Страница 6: ...vi FM 453 Servo Drive Step Drive Positioning Module C79000 G7076 C453 01 Preface ...
Страница 14: ...xiv FM 453 Servo Drive Step Drive Positioning Module C79000 G7076 C453 01 Table of Contents ...
Страница 28: ...2 4 FM 453 Servo Drive Step Drive Positioning Module C79000 G7076 C453 01 Basic Principles of Positioning ...
Страница 96: ...5 34 FM 453 Servo Drive Step Drive Positioning Module C79000 G7076 C453 01 Defining Parameters of the FM 453 ...
Страница 316: ...10 20 FM 453 Servo Drive Step Drive Positioning Module C79000 G7076 C453 01 Writing Traversing Programs ...
Страница 358: ...A 6 FM 453 Servo Drive Step Drive Positioning Module C79000 G7076 C453 01 Technical Specifications ...
Страница 372: ...C 4 FM 453 Servo Drive Step Drive Positioning Module C79000 G7076 C453 01 List of Abbreviations ...
Страница 378: ...Index 6 FM 453 Servo Drive Step Drive Positioning Module C79000 G7076 C453 01 Index ...