Ebyte M31 Series User Manual page 38

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Address negotiation
write register 0X7584
protection
address negotiation
0X7585
register
Current negotiation
0X7586
status register
Device exception
0X758 7
code
Extension module
0X758 8
exception label
Note: According to the usage requirements, some software (such as KingView) requires the register address +1 to
operate the register.
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This write-protected register
needs to be opened before
sending the address negotiation
Zone 4 1
Writing 1: means turning on the
Write 1: On behalf of starting
Zone 4 1
Check whether the current
0: The representative has not
Zone 4
1
yet completed the negotiation.
1: Representative negotiation
Check the exception code of the
current device. If it is 0, it
means there is no exception, 1
means the slave does not reply,
Zone 4 1
and 2 means the expansion
module sequence is wrong (this
error will directly cause the
device to not work properly )
Check which expansion module
There are two 32-bit registers in
Zone 4 2
corresponding serial number is
1, it means that there is an
exception in this expansion
Distributed IO Host (M31 Series) User Manual
command.
write-protected register
address negotiation
negotiation is completed,
completed
is currently unresponsive.
total, which represent the
expansion modules in
sequence. If the bit on the
module.
R:0x03
W: 0x06,0x10
R:0x03
W: 0x06,0x10
R:0x03
R:0x03
R:0x03
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