Aalborg DFM Digital User Manual
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Note: Address 00 is reserved for global addressing. Do not assign
global address for any device. When command with global address is
sent, all devices on the RS-485 bus execute the command, but do not
reply with acknowledge message.
The global address can be used to change RS-485 address for a particular
device with unknown address:
1.
Make sure only one device (which address has to be changed) is
connected to the RS-485 network.
2.
Type the memory write command with global address:
!00,MW,7,XX[CR]
where XX, the new hexadecimal address can be [01 - FF].
After assigning the new address a device will accept commands with
the new address.
Note: Do not assign the same RS-485 address for two or more
devices on the same RS-485 bus. If two or more devices with the
same address are connected to the one RS-485 network, the bus will
be corrupted and communication errors will occur.
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