Cyclic Control Word Between Master And Moby-Asm - Siemens SIMATIC FC 45 Function Manual

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B.2

Cyclic Control Word between Master and MOBY-ASM

B.2
The cyclic control word is used to synchronize telegram communication between master (FB
/ FC) and slave (MOBY-ASM). The actual non-cyclic command and acknowledgment frames
via DP-V1 may not be started until this is indicated by the cyclic byte of the MOBY-ASM in
the command or acknowledgment counter.
Figure B-2
FC 45
Function manual, Release 03/2006 , J31069-D0167-U001-A2-7618
B.2 Cyclic Control Word between Master and MOBY-ASM
Structure of the cyclic control word
Programming the MOBY-ASM on PROFIBUS
B-5

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