Technical data

Table Of Contents
Open Communication via Industrial Ethernet
System Software for S7-300/400 System and Standard Functions - Volume 2/2
23-22
A5E00739858-01
Parameters
Parameter Declaration Data Type Memory Area Description
REQ INPUT BOOL I, Q, M, D, L Control parameter REQUEST, initiates
establishing the connection at rising edge.
ID INPUT WORD M, D, constant Reference to the connection to be
established 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
CONNECT IN_OUT ANY D Pointer to the associated connection
description (UDT 65), see Assigning
Parameters for Communications
Connections with TCP native and ISO on
TCP and Assigning Parameters for the Local
Communications Access Point with UDP