Hitachi S10mini LQS070 Hardware Manual page 89

Further, this information can be collected from the Get_Attribute_Single service of explicit
service communication stipulated in the DeviceNet standard.
D.Station returns the information to the master by issuing the Get_Attribute_sigle service
addressed to the following class, instance, and attribute numbers.
• Class number =
• Instance number = 1
• Attribute number = 100 (0x64): I/O status information (D.Station original attribute)
Examples of data formats seen on the DeviceNet lines are shown below:
Transmission from master (Get_Attribute_Single request)
Byte offset bit7 bit6
0 Flag [0] XID[0]
1 R/R[0]
2 Class ID= 105 [0x69] (Configuration_Agent_Object)
3
4 Attribute ID= 100 [0x64] (I/O status information)
Response from D.Station (Get_Attribute_Single response)
Byte offset bit7 bit6
0 Flag [0] XID[0]
1 R/R[1]
2 Slot 0 Slot 1
3 Slot 0 Slot 1
4 Slot 0 Slot 1
5 0 0
105 (0x69): Configuration Agent Object (D.Station original class)
bit5 bit4 bit3
Master MAC ID
Service code [0x0E] (Get_Attribute_Single)
Instance ID= 1 [0x01]
bit5 bit4 bit3
Master MAC ID
Service code [0x0E] (Get_Attribute_Single)
Slot 2 Slot 3 Slot 4
Slot 2 Slot 3 Slot 4
Slot 2 Slot 3 Slot 4
0 0 0
− 77 −
7 COMMUNICATION FUNCTION
bit2 bit1 bit0
bit2 bit1 bit0
Slot 5 Slot 6 Slot 7 Fuse blowout information (8-bit)
Slot 5 Slot 6 Slot 7 Implementation information (8-bit)
Slot 5 Slot 6 Slot 7 I/O type information (8-bit)
0 0 0 For future use; fixed at 0 (8-bit)