Delta DVS-G928 series, Руководство пользователя

Страница: 171 / 206

A p p e n d i x B M O D B U S T C P M a p
C - 2 3
C_
when attempting to
transmit a frame
Frame Too Long UDINT
Frames received that
exceed the maximum
permitted frame size
MAC Receive Errors UDINT
Frames for which
reception on an
interface fails due to an
internal MAC sublayer
receive error
10 Get Interface Label SHORT_STRING
Human readable
identification
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.

Base Switch Object (0x51)
Class Attributes
Attr ID Access Rule Name Data Type Description of Attribute
1 Get Revision UINT
Revision of this object.
The current value
assigned to this values is
1
Instance Attributes
Attr ID Access Rule Name Data Type Description of Attribute
1 Get Device Up Time UDINT
Time since device was
powered up (s)
( Note: the value is
32-bit )
2 Get Total port count UDINT
Number of physical
ports
3 Get
System Firmware
Version
SHORT_STRING
Human readable
representation of
System Firmware
Version ( Note: ASCII
characters, max length
is 32 bytes )
4 Get Power Source WORD
Status of switch power
source
Bit 0-1: Power Source
1
Bit 2-3: Power Source
2….
Bit 14-15: Power
Source 8
00 = Not Present
( power source not
present in switch )
01 = Not Powered