70
ASC
Ⅱ
M ode:
STX
‘:’
ADR1
‘0’
ADR0
‘1’
CMD 1
‘8’
CMD0
‘6’
Abnormal code
‘0’
‘2’
LRC CHK 1
‘7’
LRC CHK 0
‘7’
END 1
CR
END 0
LF
RTU Mode
ADR
01H
CMD
86H
Abnormal code
02H
CRC CHK Low
C3H
CRC CHK High
A1H
Meaning of abnormal code is shown below:
Abnormal
code
Meaning
1
Unavailable command
code
In command signals, command code received is unavailable to
drive the Ac motor drive.
2
Unavailable data
address
In command signals, data address received is unavailable to
drive the Ac motor drive.
3
Unavailable data
value
In command signals, data value is not within allowable range.
4
Command unavailable Required action can not be performed by AC motor drive.
No signals are received by AC motor drive, but a communication fault was detected, thus no signals
feedback, but a fault signal “CE xx” shall be displayed on control panel. It shall be finally treated with
timeout status by the master device. ‘xx” is a decimal fault code, which is explained in detail below:
Fault
code
Meaning
5
Reserved
6
Intervals between commands too short. At least 10ms interval must be provided between two
available commands. If no command feedback, this interval shall also be kept.
7
Reserved
8
Reserved
9
Check sum fault: to check that check sum is correct.
10
Time-out(Only for ASC
Ⅱ
M ode )
Apart from no check on time out limit, time intervals between characters shall not exceed
500ms.
11
Format fault
Check that communication Baud rate complies with data format.
12
Command information too short
13
Command information length is not within specified range.
14
Apart from characters of START and END, command information also includes ASC
Ⅱ
data
which is non “0” to “9” or “A” to ”F”.(Only for Modbus ASC
Ⅱ
m ode)
