Siemens S7-1200 System Manual page 526

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Table of Contents

Communication

10.2 PROFINET

Connection Ethernet protocols

Every CPU has an integrated PROFINET port, which supports standard PROFINET

communications. The TSEND_C and TRCV_C and TSEND and TRCV instructions all

support the TCP and ISO on TCP Ethernet protocols.

Refer to "Device Configuration: Configuring the Local/Partner connection path (Page 150)"

for more information.

When using the ISO on TCP (connection_type = B#16#12) to establish a passive

connection, condition code 80B4 alerts you that the TSAP entered did not conform to

one of the following address requirements:

For a local TSAP length of 2 and a TSAP ID value of either E0 or E1 (hexadecimal)

for the first byte, the second byte must be either 00 or 01.

For a local TSAP length of 3 or greater and a TSAP ID value of either E0 or E1

(hexadecimal) for the first byte, the second byte must be either 00 or 01 and all

other bytes must be valid ASCII characters.

For a local TSAP length of 3 or greater and the first byte of the TSAP ID does not

have a value of either E0 or E1 (hexadecimal), then all bytes of the TSAP ID must

be valid ASCII characters.

Valid ASCII characters are byte values from 20 to 7E (hexadecimal).

Data type and/or length of the transmitted data does not fit in the area in the partner

CPU in which it is to be written.

All connection resources are in use.

Temporary communications error:

The connection cannot be established at this time

The interface is receiving new parameters

The configured connection is currently being removed by a TDISCON.

CONNECT parameter: Source area invalid: area does not exist in DB.

CONNECT parameter: Access to connection description is not possible (for example,

DB not available)

CONNECT parameter: Internal error such as an invalid ANY reference

Parameter contains the number of a DB that is not loaded.

S7-1200 Programmable controller

System Manual, 03/2014, A5E02486680-AG