DeviceNet Module Installation and Operation Manual
19
DeviceNet Object
Class Code 0x03 — The DeviceNet Object provides for the configuration and status of a DeviceNet
port.
Table 15. DeviceNet Object Class Attributes.
Table 16. DeviceNet Object Instance Attributes.
1 – The MAC ID and Baud Rate are set by a DIP Switch.
Table 17. DeviceNet Object Common Services.
Attribute
ID
Name
Data
Type
Access
Rules
Description
Default
Value
1
Revision
UINT
Get
Revision number of this object
2
2
Max Instance
UINT
Get
Maximum instance number of an object
currently created in this class level of the
device
1
Attribute
ID
Name
Data
Type
Access
Rules
Description
Default
Value
1
MAC ID
USINT
Get
Node address
1
1
2
Baud Rate
USINT
Get
Baud rate
0 = 125 kbps
1 = 250 kbps
2 = 500 kbps
0
1
3
Bus-off Interrupt
BOOL
Get/Set
Bus–Off Interrupt
0
4
Bus-off Counter
USINT
Get/Set
Number of times CAN went to the bus-off
state
0
5
Allocation Informa-
tion (Allocation
Choice Byte)
BYTE
Get
Master/Follower allocation state
-
Allocation Informa-
tion (Master’s MAC
ID)
USINT
Get
MAC ID of Master (from Allocate)
-
6
MAC ID Switch
Changed
BOOL
Get
The MAC Address switch setting has
changed since last power–up/reset
0
7
Baud Rate Switch
Changed
BOOL
Get
Baud Rate switch setting has changed since
last power–up/reset
0
8
MAC ID Switch
Value
USINT
Get
Value of Node Address switch
1
1
9
Baud Rate Switch
Value
USINT
Get
Value of Baud Rate switch
0*
Service
Code
Service Name
Supported
Class
Supported
Instance
Description of Service
0x0E
Get_attribute_single
Yes
Yes
Returns the contents of the specified attribute
0x10
Set_attribute_single
N/A
Yes
Modifies the value of the specified attribute
Summary of Contents for DEV002Z
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