Technical data

Table Of Contents
Open Communication via Industrial Ethernet
System Software for S7-300/400 System and Standard Functions - Volume 2/2
A5E00739858-01
23-25
Parameters
Parameter Declaration Data
Type
Memory Area Description
REQ INPUT BOOL I, Q, M, D, L Control parameter REQUEST, initiates
terminating the connection specified by the ID.
Initiation occurs at rising edge.
ID INPUT WORD M, D, constant 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.
Range of values: W#16#0001 to W#16#0FFF
DONE OUTPUT BOOL I, Q, M, D, L DONE status parameter:
0: Job not yet started or still running.
1: Job executed without error.
BUSY OUTPUT BOOL I, Q, M, D, L
BUSY = 1: Job is not yet completed.
BUSY = 0: Job is completed.
ERROR OUTPUT BOOL I, Q, M, D, L ERROR status parameter:
ERROR=1: Error occurred during
processing. STATUS provides detailed
information on the type of error
STATUS OUTPUT WORD M, D STATUS status parameter: Error information
Error Information
ERROR STATUS
(W#16#...)
Explanation
0 0000 Connection was able to be terminated
0 7000 First call with REQ=0, termination of connection not initiated
0 7001 First call with REQ=1, connection being terminated
0 7002 Follow-on call (REQ irrelevant ), connection being terminated
1 8086 The ID parameter is not in the permitted address range
1 80A3 Attempt being made to terminate a non-existent connection
1 80C4 Temporary communications error: The interface is receiving new parameters.
See also:
Assigning Parameters for Communications Connections with TCP native and ISO
on TCP
Assigning Parameters for the Local Communications Access Point with UDP
Establishing a Connection with FB 65 "TCON"
Sending Data via TCP native and ISO on TCP with FB 63 "TSEND"
Receiving Data via TCP native and ISO on TCP with FB 64 "TRCV"
Sending Data via UDP with FB 67 "TUSEND"
Receiving Data via UDP with FB 68 "TURCV"