6F8C0878 73
7.1 Socket Information
7
The station bus addresses to which dual Ethernet socket information is supplied are
shown in word addresses.
The station bus base addresses vary depending on the slot where an EN7 module is
installed. The top word addresses of dual Ethernet socket information in cases where an
EN7 module is installed in each slot are shown below.
7.1.3 Socket information reference method
As described in item 7.1.1, the station bus of an EN7 module carries information on each
of the sockets used by each user application. There are some points requiring attention
in accessing socket information.
In socket communication using instructions with the S/L module, a socket number is
acquired from Instruction USEND_T. Since this socket number is managed by the S/L
module, it must be converted into the socket ID managed by the EN7 module.
Information on each socket provided by the EN module through the station bus is
referred to on the basis of the converted socket ID.
For a detailed description of communication FB, refer to the Instruction Manual for the S
and L Controllers (6F8C0865, second and newer editions).
Word offset
Socket 0 130784
Socket 1 130785
Socket 2 130786
.
.
Socket 22 130806
Socket 23 130807
Base Address
Top of Dual Ethernet
Socket Information
Symbol name on
Engineering Tool
Slot 0 0 %MW13.130784 EN_SOCKET2_0
Slot 1 524288 %MW13.655072 EN_SOCKET2_1
Slot 2 1048576 %MW13.1179360 EN_SOCKET2_2
Slot 3 1572864 %MW13.1703648 EN_SOCKET2_3
Slot 4 2097152 %MW13.2227936 EN_SOCKET2_4
Slot 5 2621440 %MW13.2752224 EN_SOCKET2_5
Slot 6 3145728 %MW13.3276512 EN_SOCKET2_6
Slot 7 3670016 %MW13.3800800 EN_SOCKET2_7
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