Siemens SIMATIC S7-1200 System Manual page 888

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Communication

11.2 PROFINET

Data types for the parameters

The following table shows the parameters of the "TMAIL_C" instruction:

Control parameter REQUEST: Acti-

vates the sending of an e-mail upon a

rising edge.

Recipient addresses

STRING with a maximum length of 180

characters (bytes).

For the e-mail address format, please

see the example in the parameter

description.

CC recipient addresses (optional)

STRING with a maximum length of 180

characters (bytes).

Same e-mail address format as for the

TO_S parameter. If an empty string is

assigned here, the e-mail is not sent to

a CC recipient.

Subject of the e-mail

STRING with a maximum length of 180

characters (bytes).

Text of the e-mail (optional)

STRING with a maximum length of 180

characters (bytes). If an empty string is

assigned at this parameter, the e-mail

is sent without text.

E-mail attachment (optional)

Reference to a byte/word/double word

field (ArrayOfByte, ArrayOfWord or

ArrayOfDWord) with a maximum length

of 64 bytes. If no value is assigned, the

e-mail is sent without an attachment.

E-mail attachment name (optional)

Reference to a character string with a

maximum length of 50 characters

(bytes) to define the file name of the

attachment. If an empty string is as-

signed at this parameter, the e-mail

attachment will be sent with the file

name "attachment.bin".

Connection parameter and address of

the e-mail server

To define the connection parameters,

use the structure Tmail_v4 or

Tmail_FQDN (see parameter descrip-

S7-1200 Programmable controller

System Manual, V4.2, 09/2016, A5E02486680-AK

Siemens SIMATIC S7-1200 System Manual page 888

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