Message Communication Area For Master Function - Mitsubishi Electric QJ71DN91 User Manual

3 SPECIFICATIONS

3.4.2 Message communication area for master function

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This area is used for the message communication of the master function.
For the execution timing, refer to Section 3.3.2 (3).
(1) Message Communication Command (address: 0110
to 287)
Set a command for message communication.
(a) Getting attribute data of a slave node
Buffer memory address
(Hex.)
0110
H
0111
H
0112
H
0113
H
(b) Setting attribute data into a slave node
Buffer memory address
(Hex.)
0110
H
0111
H
0112
H
0113
H
(c) Reading communication error information of a slave node
Buffer memory address
(Hex.)
0110
H
0111
H
(d) Resetting
Buffer memory address
(Hex.)
0110
H
0111
H
0112
H
Table 3.7 Get Attribute
Item
Command No.
Slave node No. (slave
MAC ID), class ID
Instance ID
Attribute ID
Table 3.8 Set Attribute
Item
Command No.
Slave node No. (slave
MAC ID), class ID
Instance ID
Attribute ID
Table 3.9 Reading communication error information
Item
Command No.
Slave node No. (slave
MAC ID)
Table 3.10 Reset
Item
Command No.
Slave node No. (slave
MAC ID), class ID
Instance ID
MELSEC-Q
to 011F
H
Description
0101 =Get Attribute
H
Low byte: Node No. of the slave node (MAC ID)
High byte: Class ID of the object
Instance ID of the object
Low byte: Attribute ID of the object
High byte: Always sets to 0.
Description
0102 =Set Attribute
H
Low byte: Node No. of the slave node (MAC ID)
High byte: Class ID of the object
Instance ID of the object
Low byte: Attribute ID of the object
High byte: Byte length of the attribute data to be set
1 to 240 (1 to F0 )
H H
Description
0001 =Reads Communication Error Information
H
Low byte: Node No. of the slave node (MAC ID)
High byte: Always sets to 0.
Description
0201 =Reset
H
Low byte: Node No. of the slave node (MAC ID)
High byte: Class ID of the object
Instance ID of the object
/272
H
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