Siemens MOBY FC 56, Technical Description

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Sample Applications
5-8
FC 56
J31069-D0155-U001-A0-7618
2nd example
Two commands are directly assigned to each MOBY channel. The MOBY
parameters and the MOBY commands of all SLGs are stored in a “MOBY DB.”
A nested structure is used for the declaration.
STRUCT
Channel: ARRAY [1...3]
UDT 10
STRUCT
Command: ARRAY [1...2]
UDT 50
END_STRUCT
END_STRUCT
Declaration view Data view
DB 56:
MOBY_DB:
Chan. [1]
Chan. [2]
Chan. [3]
... command_start
... init_run
... command_DB_number
... command_DB_address
... ready
... error
Chan. [3] cmd [1]
Chan. [3] cmd [2]
... UID
... command
... filename
... DAT_DB_number
... DAT_DB_address
The MOBY control
parameters and the
commands for each
channel are all located in a
data block for all MOBY
channels.
Figure 5-2 Example of several MOBY commands assigned to one channel