Siemens S7-Ethernet

The part supplementary data of error messages of S7-Ethernet driver may contain following data:

•	data_address is the name of the S7-Ethernet variable accessed by the request

•	direction (from the point of view of the terminal) is:

- "rcv" for transmitting data from the server to the client

- "snd" for transmitting data from the client to the server

•	access_result is the AccessResult filed value of the response PDU’s data part. The value is in decimal format

•	error_code is the decimal error code value returned by an RTIP API function

•	station is the decimal station number of the accessed server