Delta DVS-G928 series, Руководство пользователя

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A p p e n d i x B M O D B U S T C P M a p
C - 2 1
C_
characters (pad not
included in length).
Common Services
Service Code
Need in Implementation
Service Name Description of Service
Class Instance
0x0E V V Get_Attribute_Single
Returns the contents of
the specified attribute.
0x10 V Set_Attribute_Single
Modifies an attribute
value.

Ethernet Link Object (0xF6)
Class Attributes
Attr ID Access Rule Name Data Type Description of Attribute
1 Get Revision UINT Revision of this object
2 Get Max Instance UINT
Maximum instance
number of an object
currently created in this
class level of the
device.
3 Get
Number of
Instances
UINT
Number of object
instances currently
created at this class
level of the device.
(The value is mapping
the number of ports in
Switch device)
Instance Attributes
Attr ID Access Rule Name Data Type Description of Attribute
1 Get Interface Speed UDINT
Interface speed
currently in use
Speed in Mbps (e.g., 0,
10, 100, 1000, etc.)
2 Get Interface Flags DWORD Interface status flags
3 Get Physical Address ARRAY of 6 USINTs MAC layer address
4 Get
Interface Counters STRUCT of:
In Octets UDINT
Octets received on the
interface
In Ucast Packets UDINT
Unicast packets
received on the
interface
In Nucast Packets UDINT
Non-unicast packets
received on the
interface
In Discards UDINT
Inbound packets
received on the
interface but discarded
In Errors UDINT
Inbound packets that
contain errors (does
not include In