Siemens SIMADYN D Manual page 270

I/O
Parameter Declaration
REQTAB INPUT
REQDB INPUT
LASTDB INPUT
LADDR INPUT
RECNUM INPUT
DBNUM INPUT
TFT INPUT
TABTEL OUTPUT
CNTTEL OUTPUT
STATUS OUTPUT
ERROR OUTPUT
DONE OUTPUT
System- and communication configuring D7-SYS - SIMADYN D
Edition 12.2003
The individual connections (I/O), their data types and a connection
description are listed in the following table:
Data type Description
BOOL REQTAB = 1: Request to write a new table
BOOL REQDB = 1:
are saved in the data block
BOOL Last DB for the table
WORD Logical address of the SIMATIC FM 458 application
module
BYTE Data set number for the read and write data set
WORD Data block number of the DB in which the tabular values
are located.
DWORD TIMEOUT time in ms for receiving acknowledge telegrams
from the SIMATIC FM 458 application module.
WORD Number of data blocks required to transfer the complete
DB contents
WORD Number of data blocks already transferred to the FM
module
Indicates the current status of the processing / data
WORD
transfer:
0:
1:
2:
WORD If a fault/error occurs while processing the function, then
the return value is an error code
BOOL Status parameter DONE=1: Send operation has been
completed
Communications configuring
Request to write the tabular values which
Table transfer is inactive
Table transfer is active.
Table values have been partially transferred
from a DB
(wait for the next partial transfer)
Table values have still not been completely
transferred from a data block.
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