Siemens SIMATIC CP 440 Manual page 104

Communication Using Function Blocks
Parameters of the RES_RECV FB
The following table lists the parameters of the RES_RECV FB.
Table 6-4 Parameters of the RES_RECV FB
Name Type
REQ INPUT
R INPUT
LADDR INPUT
1
DONE OUTPUT
1
ERROR OUTPUT
1
STATUS OUTPUT
1
The parameter is available until the next call of the FB.
6-16
Data Type Comment
BOOL Initiates job with positive
edge
BOOL Aborts job
INT Basic address of the
CP 440
BOOL Job completed without
errors
BOOL Job completed with errors
WORD Specification of the error
Point-to-point connection CP 440 Installation and Parameter Assignment
Permitted Values,
Comment
Current job is aborted. Sending
is disabled.
The basic address is taken from
STEP 7.
STATUS parameter == 16#00;
STATUS parameter contains
error information
If ERROR == 1, STATUS
parameter contains error
information
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