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
23-7
Byte Parameter Data
Type
Start Value Description
34 to
39
rem_staddr ARRAY
[1..6] of
BYTE
B#16#00 ... IP address for the remote connection transmission
point:, e.g. 192.168.002.003:
With connection_type =
B#16#1x:
rem_staddr[1] = B#16#C0 (192),
rem_staddr[2] = B#16#A8 (168),
rem_staddr[3] = B#16#02 (002),
rem_staddr[4] = B#16#03 (003),
rem_staddr[5-6]= irrelevant
B#16#01:
rem_staddr[1] = B#16#03 (003),
rem_staddr[2] = B#16#02 (002),
rem_staddr[3] = B#16#A8 (168),
rem_staddr[4] = B#16#C0 (192),
rem_staddr[5-6]= irrelevant
40 to
55
rem_tsap_id ARRAY
[1..16] of
BYTE
B#16#00 ... With connection_type =
B#16#11: remote port no. (possible values:
2000 to 5000),
rem_tsap_id[1] = high byte of port no. (in
hexadecimal representation,
rem_tsap_id[2] = low byte of port no. (in
hexadecimal representation,
rem_tsap_id[3-16] = irrelevant
B#16#12: remote TSAP ID:
rem_tsap_id[1] = B#16#E0 (connection type T-
connection),
rem_tsap_id[2] = Rack and slot for the remote
connection transmission point (CPU) (bits 0 to
4: slot, bits 5 to 7: rack number),
rem_tsap_id[3-16] = TSAP extension
B#16#01: remote port no. (possible values:
2000 to 5000),
local_tsap_id[1] = low byte of port no. (in
hexadecimal representation,
local_tsap_id[2] = high byte of port no. (in
hexadecimal representation,
local_tsap_id[3-16] = irrelevant
56 to
61
next_staddr ARRAY
[1..6] of
BYTE
B#16#00 ... With local_device_id =
B#16#00:
next_staddr[1]: Rack and slot of associated
(local) CP (bits 0 to 4: slot, bits 5 to 7: rack
number)
next_staddr[2-6]: irrelevant
B#16#02:
next_staddr[1-6]: irrelevant
62 to
63
spare WORD W#16#0000 irrelevant