Siemens SIMATIC S7 System Manual page 122

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98BDevice configuration

5.6 Configuring the CPU for communication

Parameter and data type

Array [1..6] of

TCP and ISO-on-TCP only: IP address of the partner end point.

(Not relevant for passive connections.) For example, IP address

192.168.002.003 is stored in the following elements of the array:

rem_staddr[1] = 192

rem_staddr[2] = 168

rem_staddr[3] = 002

rem_staddr[4] = 003

rem_staddr[5-6]= irrelevant

Array [1..16] of

Partner address component of connection

TCP: partner port number. Range: 1 to 49151; Recommended

values: 2000 to 5000):

ISO-on-TCP: partner TSAP-ID:

UDP: This parameter is not used.

Array [1..6] of

This parameter is not used.

Reserved: W#16#0000

rem_tsap_id[1] = high byte of the port number in

hexadecimal notation

rem_tsap_id[2] = low byte of the port number in

hexadecimal notation;

rem_tsap_id[3-16] = irrelevant

rem_tsap_id[1] = B#16#E0

rem_tsap_id[2] = rack and slot of partner end point (bits 0 to

4: Slot number, bits 5 to 7: rack number)

rem_tsap_id[3-16] = TSAP extension, optional

System Manual, 11/2011, A5E02486680-05

S7-1200 Programmable controller

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