Emerson EV1000-2S0004G User Manual page 141

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Table 2 Response Code of Command Code "00"
Response
Slave
ASCII
staus
10 Not
ready
11 Ready
12 Ready
13 Ready
14 Ready
20
Command Code 01～07
Response Code "00" means:
Communication and control of slave computer is
normal. The changes of parameters are valid.
The password is correct.
Response Code "20" means:
The frame verified to be incorrect. The data of
"Command Section" and "Index Section overflow.
Incorrect Frame length/there are characters
which are not ASCII besides frame head and
frame tail.
Note: Report whether the response code is
related to the current configuration status of the
slave. Refer to the notes of "command code = 5.
When reporting the response code, data in
"command section", "index section" and
"operation data section" will not be reported.
Frame length: 10 bytes
Response Code＝30 means:
The control command to the slave is inactive. The
changes of parameters are invalid. The data in
"configuration/operation data" section overflow.
The password is incorrect.
Meaning
Host contol Frequency
allowed setting allowed
/
YES YES
YES NO
NO YES
NO NO
Frame error
EV1000 Series General Purpose Variable Speed Drive User Manual
Appendix 2 Communication Protocol
Note: Report whether the response code is
related to the current configuration status of the
slave. Refer to the notes of "command code = 5".
When reporting the response code, data in
"command section", "index section" and
"operation data section" will be reported
according to the requirements of the protocol.
4）Index Section
Data: Auxiliary index bytes and command index
bytes are included.
For master drive, auxiliary index and command
index are used to cooperate with the master
computers to accomplish operating functions.
For slave computers, auxiliary index is used to
report malfunction status code. The command
code will not be changed but reported directly.
Data type: Hex, four bytes. ASCII format.
Command code uses the lower two bytes, data
range: "00"~"FF".
Auxiliary code uses the higher two bytes, data
range: 00~FF.
The malfunction status of the slave will take up
"auxiliary index" byte, to see table 2.
Table 3 Fault Type
Fault
Description
Index
Overcurrent
01 when
accelerating
Overcurrent at
03
constant speed
Overvoltage
05 when
decelerating
Fault
Description
Index
Overcurrent when
02
decelerating
Overvoltage when
04
accelerating
Overvoltage at
06
constant speed
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