76 SUNFAR Self-Defined Communication Protocol
E500 Series Universal Low-Power Inverter
(6) Status feedback
The basic running status of slave machine responded from slave machine to
main machine exists in all types of data frame (Slave machine responds the 4
th
and 5
th
bit).
Data Operation Data Operation
00H
The direct voltage of slave
machine is not ready
10H Reserve
01H
In FWD running of slave
machine
11H In FWD acceleration process
02H
In REV running of slave
machine
12H In REV acceleration process
03H Slave machine stop 13H Instant stop and restart
04H
In FWD inching running of
slave machine
14H FWD deceleration
05H
In REV inching running of
slave machine
15H REV deceleration
06H Reserve 16H
The slave machine is in DC
braking status
20H
The slave machine is in
fault status
21H Instant stop of slave machine
(7) Checksum
The sum of ASC II code value (ASC II code format)/hexadecimal value from
slave address to setting data/running data.
(8) Frame end
Hexadecimal “0DH” is ASC II code of “CR”.
When the slave machine is in fault status, namely status
feedback data is "20H", the 7
th
and 8
th
data (data address) of
feedback data frame represents fault code.
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