Eaton XN-GW Series, Руководство пользователя

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5 Implementation of EtherNet/IP
5.2 Classes and instances of the EtherNet/IP-gateway
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XI/ON: XNE-GWBR-2ETH-IP 09/2011 MN05002007Z-EN www.eaton.com
5.2.3 Message Router Object (0×02)
This object provides a messaging connection point through which a Client may address a
service to any object class or instance residing in the physical device.
The following description of the Message Router Object is taken from the CIP specification,
Vol. 1, Rev. 2.1 by ODVA & ControlNet International Ltd. and adapted to XI/ON.
Class attributes
Instance attributes
Common services
Table 13:
Class attributes Attr.
no. Attribute name G et/
S et
Type Value
1 (0×01) REVISION G UINT 1
4 (0×04) OPTIONAL ATTRIBUTE NUMBER G UINT 0
5 (0×05) OPTIONAL SERVICE NUMBER G UINT 0
6 (0×06) MAX CLASS IDENTIFIER G UINT 7
7 (0×07) MAX INSTANCE ATTRIBUTE G UINT 2
Table 14:
Instance attri-
butes Attr.
no. Attribute name G et/
S et
Type Description
1 (0×01) OBJECT LIST G STRUC
T OF Structure with an array of object class-
codes supported by the device.
NUMBER G UINT Depending
CLASSES G ARRAY
of UINT Number of the classes supported by the
gateway.
2 (0×02) MAX NUMBER OF
CONNECTIONS
G UINT Count of the maximum number of connec-
tions supported.
Table 15:
Common
services Service
code Class Instance Service name
01 (0x01) yes yes Get_Attribute_All
14 (0x0E) yes yes Get_Attribute_Single