I-7242D user manual
I-7242D DeviceNet/Modbus RTU Gateway User’s Manual, July 2006, Version 1.1 85/124
2. Apply the Master’s Explicit Request Messages to change the Slave’s
MAC ID.
Master
(MAC
ID
=0x0A)
Slave
(MAC
ID
=0x09)
3. After changing the MAC ID, slave (I-7242D) will send out the shutdown
message and reset.
Master
(MAC
ID
=0x0A)
Slave
(MAC
ID
=0x09)
_ Group 2 Message
| _ Destination MAC ID=0x09
| | _ Message ID =4
| | | _ Frag=0. Transaction ID=0. Souce MAC ID= 0x0A
| | | | _ Service=Set Attribute Request
| | | | | _ Class ID=3
| | | | | | _ Instance ID=1
| | | | | | | _ Attribute ID=1
| | | | | | | | _
Attribute Data= 0x09 -- New MAC ID
ID=10 000011 100. Data= 0A 10 03 01 01
09
_ Group 2 Message
| _ Source MAC ID=0x09
| | _ Message ID =3
| | | _ Frag=0. Transaction ID=0. Destination MAC ID= 0x0A
| | | | _ Service= Set Attribute Response
| | | | |
| | | | |
ID=10 000011 011. Data= 0A 90
_ Group 2 Message
| _ Source MAC ID=0x09
| | _ Message ID =3
| | | _ Frag=0. Transaction ID=0. Destination MAC ID=0x0A
| | | | _ Service code= 0x4E, Device Shutdwon message
| | | | | __ Class ID=3
| | | | | | _ Instance ID=1
| | | | | | | _ Shutdown Code=4
ID=10 000011 011. Data= 0A CE 03 00 01 00 04 00