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3.1. Identity ObjectClass code 0x01. This object provides identification of and general information about the device.
3.1.1. Identity Object Class Attributes
Attribute
ID Name Data
Type
Access
Rules Description Default
Value
1 Revision UINT Get Revision of this object 1
2 Max instance UINT Get
Maximum instance number of an object
currently created in this class level of
the device
1
3.1.2. Identity Object Instance Attributes
Attribute
ID Name Data
Type
Access
Rules Description Default
Value
1 Vendor ID UINT Get Identification of vendor by number 377
2 Device type UINT Get Indication of general type of product 2
(AC Drive)
3 Product code UINT Get Identification of a particular product of
an individual vendor (2134) *
Revision
(Major)
USINT
(ARRAY) Get (1) **
4Revision
(Minor)
USINT
(ARRAY) Get
Revision of the item the Identity Object
represents (34) **
5 Status (bits supported) WORD Get Summary status of device -
6 Serial number UDINT Get Serial number of device -
7 Product name SHORT_
STRING Get Human-readable identification “DEV002Z”
8 State USINT Get
Present state of the device
0 = Non-existent
1 = Device Self Testing
2 = Standby
3 = Operational
4 = Major Recoverable Fault
5 = Major Unrecoverable Fault
-
10 Heartbeat Interval USINT Get/Set The nominal interval between heartbeat
messages in seconds. 0
* Triple figures are the same value as VF-AS1/PS1 software version under Product code.
** Revision (Major) is the same value as the single figure on the VF-AS1/PS1 software version.
Revision (Major) is the same value as double figures under the VF-AS1/PS1 software version.
3.1.3. Identity Object Common Services
Supported
Service
Code Service Name Class Instance Description of Service
0x05 Reset N/A Yes Invokes the Reset service for the device
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.
3.1.4. Identity Object Specific Services
The Identity Object provides no object specific services.