Mitsubishi Electric MELSEC iQ-R Series User Manual page 81

■Message communication result (Un\G288 to Un\G303)
The processing result of the message communication is stored.
• Reading the attribute data of the slave node
Buffer memory address Item
Un\G288 Command number
Un\G289 Execution error code for message communication
Un\G290 Node address of slave node (Slave MAC ID), class ID
Un\G291 Instance ID
Un\G292 Attribute ID, data length
• Writing the attribute data to the slave node
Buffer memory address Item
Un\G288 Command number
Un\G289 Execution error code for message communication
Un\G290 Node address of slave node (Slave MAC ID), class ID
Un\G291 Instance ID
Un\G292 Attribute ID
• Reading the communication error information of the slave node
Buffer memory address Item
Un\G288 Command number
Un\G289 Execution error code for message communication
• Reset
Buffer memory address Item
Un\G288 Command number
Un\G289 Execution error code for message communication
Un\G290 Node address of slave node (Slave MAC ID), class ID
Un\G291 Instance ID
• Performing other message communications
Buffer memory address Item
Un\G288 Command number
Un\G289 Execution error code for message communication
Un\G290 Node address of slave node (Slave MAC ID), class ID
Un\G291 Instance ID
Un\G292 Attribute ID, data length
Description
0101H = Reading attribute (Get Attribute)
At normal completion: 0000H
At error completion: Execution error code for message
communication
Lower byte: Node address of slave node (MAC ID)
Upper byte: Object class ID
Object instance ID
Lower byte: Object attribute ID
Upper byte: Byte length of the read attribute data 1 to 240 (1H to
F0H)
Description
0102H = Getting attribute (Set Attribute)
At normal completion: 0000H
At error completion: Execution error code for message
communication
Lower byte: Node address of slave node (MAC ID)
Upper byte: Object class ID
Object instance ID
Lower byte: Object attribute ID
Upper byte: Byte length of the attribute data (1 to 240)
Description
0001H = Communication error information read
At normal completion: 0000H
At error completion: Execution error code for message
communication
Description
0201H = Reset
At normal completion: 0000H
At error completion: Execution error code for message
communication
Lower byte: Node address of slave node (MAC ID)
Upper byte: Object class ID
Object instance ID
Description
For FE**H**, refer to DeviceNet common service.
At normal completion: 0000H
At error completion: Execution error code for message
communication
Lower byte: Node address of slave node (MAC ID)
Upper byte: Object class ID
Object instance ID
Lower byte: Object attribute ID
Upper byte: Byte length of the read attribute data 1 to 240 (1H to
F0H)
Appendix 3 Buffer Memory
A
APPX
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