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3.1. Identity Object
Class 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.