User`s manual

Western Reserve Controls, Inc. 1782-JDC User’s Manual
29
A.3 Identity Object, Class 1
Instances 0 and 1 exist in the 1782-JDC.
Table A-4 Identity Object Class Attributes (Instance 0)
Attribute
ID
Access
Rule
Name
DeviceNet
Data Type
Description of Attribute Value
1 Get Revision UINT Revision of this object 1
2 Get
Max. Object
Instance
UINT
Maximum instance number of an
object currently
1
6 Get
Max. Class
Attribute ID UINT
Attribute ID number of the last class
attribute of the class definition
implemented in the device
7
7 Get
Max. Instance
Attributes ID UINT
Attribute ID number of the last
instance attribute of the class
definition implemented in the device
1
Table A-5 Identity Object Instance Attributes (Instance 1)
Attribute
ID
Access
Rule
Name
DeviceNet
Data Type
Description of Attribute Value
1 Get Vendor UINT
ODVA Vendor Number for this
product
9 = WRC
2 Get
Device
Type
UINT ODVA Communications Device Type
12 = Comm.
Adapter
3 Set
Product
Code
UINT WRC Unique Product Code Number
701 = 2bd
hex
4 Get Revision STRUCT of: Revision of this device
Major
Revision
USINT >=5
Minor
Revision
USINT >=1
5 Get Status WORD Summary status of device
6 Get
Serial
Number
UDINT WRC Unique Device Serial Number
7 Get
Product
Name
SHORT_STRI
NG
ASCII Name of product 1782-JDC
10 Get/Set
Heartbeat
Interval
USINT
The interval in second that the
device generates a heartbeat
message. A value of 0 disables
heartbeat generation.
0
Table A-6 Identity Object Common Services
Service
Code
Class Instance Service Name Description of Service
O5
hex
Yes Yes Reset
Invokes the Reset Service for the
device.
OE
hex
Yes Yes Get_Attribute_Single
Returns the contents of the
specified attribute.
10
hex
No Yes Set_Attribute_Single Modifies an attribute value.