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6.5 Exception response:
The AC motor drive is expected to return a normal response after receiving command messages fr om
the master device.
In the exception response, the most significant bit of the original command code iss et to "06",
and an exception code which explains the condition t hat caused the exception is returned.
For example:
the data
adress is 0x5001,
- 9 5 -
- 9 6 -
Communication
setting address
Inverter fault
address
2000H
5000H
Run/stop
parameter
address
3000H
3001H
3002H
3003H
3004H
3005H
3006H
3007H
3008H
3009H
300AH
300BH
300CH
300DH
300EH
300FH
3010H
3011H
3012H
Reserved
Fault message codes should be consistent
with fault types in the functional code menu.
The difference is that here hexadecimal
data is returned to the upper computer,
instead of fault characters.
W/R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
Communication setting range (-10000~10000)
Note: the communication setting is the
percentage of the relative value (-100.00%~
100.00%), which can conduct communication
wiring operation. If it is set as frequency
source, it corresponds to the percentage of the
maximum frequency (P0.04); If it is set or fed
back as PID, it corresponds to the percentage
of PID. Where, PID setting value and PID
feedback value go through PID calculation in
form of p ercentage.
Setting frequency
Running frequency
Output current
Output voltage
Running speed
Output power
Output torque
DC bus voltage
PID setpoint
PID feedback
Input terminal status
Output terminal status
VI value
CI value
Current segment of multi-speed control
Reserved
Reserved
Reserved
ModBus
communication
fault address
5001H
0000H Not fault
：
0001H Password error
：
0002H Command code error
：
0003H CRC error
：
0004H Illegal address
：
0005H Illegal data
：
0006H Parameter change invalid
：
0007H System locked
：
0008H Inverter busy
(EEPROM is storing)
：
R
RTU
Fault Response Message of the Slave
START
ADDR
CMD
C R C C H K l o w e r b i t s
C R C C H K h i g h e r b i t s
END
01H
06H
50H
01H
00H
05H
09H
09H
higher bits of the fault response
lower bits of the fault response
higher bits of the fault code
lower bits of the fault code
T1-T2-T3-T4 (transmission time of 3.5 bytes)
T1-T2-T3-T4 (transmission time of 3.5 bytes)
ASCII
Fault Response Message of the Slave
START
‘:'
A p p e n d i x C D i m e n s i o ns
：
Appendix B Serial Communications
DZB Series
Appendix C Dimensions
DZB Series
