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3. Apply the Master's Explicit Request Messages to set the User-defined
Modbus command object instance attribute 0x03.
Set the response Modbus message length = 0x07 bytes
Master (MAC ID =0x0A)
_ Group 2 Message
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_ Destination MAC ID=0x09
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_ Message ID =4
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ID=10 001001 100. Data= 0A 10 65 01 03
_ Group 2 Message
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_ Source MAC ID=0x09
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_ Message ID =3
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ID=10 000011 011. Data= 0A 90
I-7242D DeviceNet/Modbus RTU Gateway User's Manual, July 2006, Version 1.1
_ Frag=0. Transaction ID=0. Destination MAC ID= 0x0A
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_ Service=Set Attribute Request
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| _ Class ID=0x65
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| | _ Instance ID=0x01
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| | | _ Attribute ID=0x03
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Attribute Data= 0x07 – Response Modbus Command
07
_ Frag=0. Transaction ID=0. Destination MAC ID= 0x0A
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_ Service= Set Attribute Response
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I-7242D user manual
Slave (MAC ID =0x09)
length
102/124
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