A p p e n d i x B M O D B U S T C P M a p
C - 3 5
C_
Single Collisions
UDINT
Successfully transmitted frames
which experienced exactly one
collision
Multiple Collisions
UDINT
Successfully transmitted frames
which experienced more than one
collision
SQE Test Errors
UDINT
Number of times SQE test error
message is generated
Deferred
Transmissions
UDINT
Frames for which first transmission
attempt is delayed because the
medium is busy
Late Collisions
UDINT
Number of times a collision is
detected later than 512 bit-times
into the transmission of a packet
Excessive
Collisions
UDINT
Frames for which transmission fails
due to excessive collisions
MAC Transmit
Errors
UDINT
Frames for which transmission fails
due to an internal MAC sublayer
transmit error
Carrier Sense
Errors
UDINT
Times that the carrier sense
condition was lost or never
asserted 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
SHORT_STRING
Human readable representation of
Содержание DVS-G928 series
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Страница 15: ...Chapter 2 User Interface Introduction 2 3 2_ You can use to list the commands...
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Страница 142: ...A 1 A Appendix A Private MIB Group Table of Contents A 1 Private MIB Group A 2...
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Страница 145: ...B 1 B Appendix B MODBUS TCP Map Table of Contents B 1 MODBUS TCP Map B 2...
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