Siemens SIMATIC S7 System Manual page 161
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Parameter
BUSY
ERROR
STATUS
TDISCON
Parameter
REQ
ID
DONE
BUSY
ERROR
STATUS
S7-1200 Programmable controller
System Manual, 11/2009, A5E02486680-02
Parameter
Data type
type
OUT
Bool
OUT
Bool
OUT
Word
TCP and ISO on TCP: TDISCON terminates a communications connection
from the CPU to a communication partner.
Parameter
Data type
type
IN
Bool
IN
CONN_OUC
(Word)
OUT
Bool
OUT
Bool
OUT
Bool
OUT
Word
Description
BUSY = 1: Job is not yet complete
BUSY = 0: Job is complete
Status parameter ERROR:
ERROR = 1: An error occurred in job processing.
STATUS provides detailed information on the type of
error.
Status parameter STATUS: Error information
Description
Control parameter REQUEST starts the job for
establishing the connection specified by ID. The job
starts at rising edge.
Reference to the connection to be terminated to the
remote partner or between the user program and the
communications level of the operating system. ID must
be identical to the associated parameter ID in the local
connection description.
Value range: W#16#0001 to W#16#0FFF
Status parameter DONE:
0: Job not yet started or still running
1: Job executed without error
BUSY = 1: Job is not yet complete
BUSY = 0: Job is complete
ERROR = 1: Error occurred during processing.
Error code
Programming instructions
6.2 Extended instructions
161
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