INVT Goodrive 35 Series Operation Manual page 247

Goodrive35 inverters
Confirmation
4
Example 1: Read parameter value
Read keypad set frequency value (the address of keypad set frequency is 10) which can be achieved
by setting PKW1 as 1, PKW2 as 10, return value is in P KW4.
Request (From master to inverter):
Requst
Response (From inverter to master)
Response
Example 2: Modify the parameter values (RAM and EEPROM are modified)
Modify keypad settings frequency value (the address of keypad set frequency is 10) which can be
achieved by setting PKW1 as 4; PKW2 as 10, modification value (50.00) is in PKW4.
Request (From master to inverter):
Requst
Response label (From slave to master)
5: Data type is invalid
6: The task could not be implemented due to operational state
7: Request isn't supported.
8: Request can't be completed due to communication error
9: Fault occurs when write operation to stationary store
10: Request fails due to timeout
11: Parameter cannot be assigned to PZD
12: Control word bit can't be allocated
13: Other errors
No parameter change rights
PKW1 PKW2 PKW3 PKW4
00 01 00 10 00 00 00
PKW1 PKW2 PKW3 PKW4
00 01 00 10 00 00 50
0001: Reponse (Parameter values refreshed)
PKW1 PKW2 PKW3 PKW4
00 04 00 10 00 00 50
0004: Modify parameter value
Function
CW PZD2 PZD3
00 xx xx xx xx xx xx
0010: Parameter address
0001 Request to read parameter value
CW PZD2 PZD3
00 xx xx xx xx xx xx
5000: Parameter value of address 10
CW PZD2 PZD3
00 xx xx xx xx xx xx
5000: Parameter value of address 10
240
Appendix A Extension card
···
PZD12
··· xx xx
···
PZD12
···
xx xx
···
PZD12
···
xx xx