Communication Protocol VD520 Series Inverter User Manual
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9.6.4 Communication Data Address Definition
This part is the content of the communication, used to control the operation of the inverter, inverter
status and related parameters setting.
Read and write functional code parameter (some function code which can not be changed, only for
the use of manufacturers or monitoring) :
Function code parameter address label rules:
By function block number and the label for the parameter address said rules:
High byte: F0 ~ FF (group F), A0 - AF (group A), 70-7 F (U) low byte: 00 to FF
Such as: F3-12, address represented as F30C;
Note:
FP groups: neither read the parameters, and do not change the parameters;
U group: only can read, do not change the parameters.
When some parameters in converter is in operation, do not change;Some parameters of the
frequency converter in any state, cannot be changed;Change function code parameters, but also pay
attention to the range of parameters, units, and related instructions.
In addition, frequent block because the EEPROM is stored, the service life of the block can reduce
the EEPROM, so some function code under the mode of communication, do not need to store, just
change the value of RAM.
If to F group of parameters, in order to realize the function, as long as this function code address high
F into 0 can be achieved.
If for A group of parameters, in order to realize the function, the function code as long as the address
of A high into 4 can be achieved.
Corresponding function code shown by the following address:
High byte: 00 ~ 0 F (group F), 40 ~ 4 F (group A), 50 ~ 5 F (group b)
Low byte: 00 to FF
Such as:
Function code F3-12 in the block is not stored in the EEPROM, address for 030 c;
Function code block A0-05 is not stored in the EEPROM, address represented by 4005;
The address said can only do write RAM, do read, read, as invalid address.
For all the parameters, can also use the command code 7 h to implement this feature.
Stop/part operation parameters:
Parameter Address
Parmaeter Description
1000H
Communiccation set value(-10000~10000) (decimal)
1001H
Running frequency
1002H
Bus voltage
1003H
Output voltage
1004H
Output current
1005H
Output power
1006H
Output torque
1007H
Running speed
1008H
DI input sign
1009H
DO output sign
100AH
AI1voltage
100BH
AI2voltage
100CH
Reserved
100DH
Count value input
100EH
length value input
100FH
Load speed
1010H
PID setting
1011H
PID feedback
1012H
PLC step
1013H
PULSE input pulse frequency, unit 0.01kHz
1014H
Feedback speed, unit 0.1Hz
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