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
23-27
Parameters
Parameter Declaration Data Type Memory Area Description
REQ INPUT BOOL I, Q, M, D, L Control parameter REQUEST, initiates the
transmission at rising edge.
At the first call with REQ=1, data are
transmitted from the area specified by the
DATA parameter.
ID INPUT WORD M, D, constant Reference to the connection to be
terminated. ID must be identical to the
associated parameter ID in the local
connection description.
Range of values: W#16#0001 to
W#16#0FFF
LEN INPUT INT I, Q, M, D, L Number of bytes to be sent with the job
Range of values:
1 to 1460, if connection type is =
B#16#01
1 to 8192, if connection type is =
B#16#11
1 to 1452, if connection type is =
B#16#12 and a CP is being used
1 to 8192, if connection type is =
B#16#12 and no CP is being used
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. A
new job cannot be triggered.
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
DATA IN_OUT ANY I, M, D Send area, contains address and length
The address refers to:
The process image input table
The process image output table
A bit memory
A data block