Vacon optea - Page 172

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9.2.2.1.2. SERVICES
Instance Service “Get_Attribute_Single”
When invoked in an instance, the parameter ID to be fetched from the drive is calculated, then the
read operation is started and once available, a response is provided to the master.
The format of the message is as follows:
The old format of the message is as follows (OPTCQ option board):
Instance Service “Set_Attribute_Single”
When invoked in an instance, the parameter ID to be modified in the drive is calculated. The data
type, write permission etc. are verified before the write operation is started. When the operation
finishes, or if an error occurs, an appropriate response is provided to the master.
The format of the message is as follows:
Table 138.
Field Data
Service Code
0E
h
Class Code
A0
h
Instance Number
01
h
Attribute ID
XXXX
h
Table 139.
Field Data
Service Code
0E
h
Class Code
A0
h
Instance Number
YY
h
Attribute ID
XX
h
Table 140.
Field Data
Service Code
10
h
Class Code
A0
h
Instance Number
01
h
Attribute ID
XXXX
h
Attribute Data Parameter-specific