Subfield Parameter
ID Type Length
(byte)
Description Special features Use
22 SUB_CON_ESTABL 4 + 1 Type of connection establishment
With this option, you specify whether
the connection is established by this
station.
Possible values: 0 = passive; 1 = active
mandatory
52 SUB_TIME_CON_RETRAN 4 + 2 Time interval
after which a
failed connec-
tion is estab-
lished again.
(1...60s, default:
5s)
irrelevant with pas-
sive connection
establishment
optional
53 SUB_TIME_DAT_RETRAN 4 + 2 Time interval after which a failed send is
triggered again.
(100...30000ms, default: 1000ms)
optional
54 4 + 2 Number of send attempts, incl 1.
attempt(1...100, Default: 5)
optional
55 4 + 2 Time interval after which a connection is
released, if there is no responds of the
partner station.(6...160s, default: 30s)
optional
1) option using passive connection
2) the coding may be combined with OR operation
Subfield Parameter
ID Type Length (byte) Description Special features Use
56 SUB_S/_C_DETAIL 4 + 14 Connection specific parameter mandatory
18 SUB_CONNECT_NAME LengthName
+ 4
Name of the connection optional
1 SUB_IP_V4 4 + 4 IP address
according to IPv4
IP address of the
remote partner
mandatory
1
51 SUB_MAC 4 + 6 MAC address of the remote station mandatory
Siemens S7 connection
VIPA SPEED7
Network Communication
Ethernet Communication > FB 55 - IP_CONF - Progr. Communication Connections
HB00 | OPL_SP7 | Operation list | en | 18-30 176