Address Of Slave; Response Of Slave To Master's Command - Emerson EV2000 Series User Manual

5.2 Address of Slave

Definition of Data: the slave's address. two bytes, ASCII format.
Configuration range: "00"~"7F". "7F" is broadcast address. The default of the drive is "01".

5.3 Response of Slave to Master's Command

Definition of Data: The response of slave to the command from the Master. Two Bytes. ASCII Format.
Classification of Parameters:
Command Code = "00": Master drive asks Slave drive to feed back the current status(ready or not ready) and control
status.
Response
Ready or not ready status of
Code ASCII
10
11
12
13
14
20
Command Code ＝ "01" ～ "08"
Response Code ＝ "00" means:
Communication and control of slave are normal. The changes of parameters are valid. The password is correct.
Response Code ＝ "20" means:
The frame is verified to be incorrect. The data of "Command Section" and "Index Section overflow.
Incorrect Frame length/there are non-ASCII code except frame head and frame tail.
Note: Whether the response code reported is related with 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.
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.
Note: Whether the response code is reported is related with 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.
Table A-6 Meaning of response code given command code "00"
slave drive
Not Ready
Ready
Ready
Ready
Ready
EV2000 Series Universal Variable Speed Drive User Manual
Meaning
Master drive control enabled
Enabled
Enabled
Disabled
Disabled
Frame wrong
Appendix 3 Communication Protocol
Setting frequency enabled
No meaning
Enabled
Disabled
Enabled
Disabled
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