SHENZHEN ENCOM ELECTRIC TECHNOLOGIES CO. EDS1000 series Service Manual page 144

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Auxiliary device communication and
control is normal；function code
00
modification is effective；
password is correct.
(1) frame checkout error；
(2)"command area"data overrun；
(3)"index area"data overrun；
20
(4) frame length error/non ASCII byte
exist in area except frame head, frame
end.
(1) control to auxiliary device is
ineffective；
(2) ineffective function code parameter
30
modification；
(3)"setting/running data"area data
overrun.
(4) password error.
(4) auxiliary index/command index/failure index
Data meanings: include auxiliary index byte and command index byte.
For mainframe, auxiliary index, command index are used for cooperating
mainframe command in realizing specific function.
For auxiliary device, auxiliary index, command index are used for reporting
failure state code, command index are reported without modification.
Data type: hex，4 byte, ASCII format.
Command index occupy 2 low byte, data range: "00"~"FF".
Auxiliary index occupy 2 high byte, data range: "00"~"FF".
Auxiliary device failure state occupy"auxiliary index"byte，see table 11-3.
failure code description
Accelerating
1
current
decelerating
2
current
Constant speed run over
3
current
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Table 11-3 failure type description
failure code
run over
run over
11 Serial port RS485 communication protocol
When this response code is reported,
data of "command area", "index
area" and "running data area" are
not reported.
Whether report this response code
relate to current set state of auxiliary
device. When report data of area",
"index area" and "run data area"
are reported according to protocol
requirement.
description
13 Converting module protection
14 External device failure
15 current detecting circuit failure
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