INVT GD300-004G-4, Operation Manual

Page: 273 / 312

Goodrive300 inverters Appendix A
272
Bit 15~00
Parameter value (high word) or return error
code value
00
The fourth word PKW4 (16 bit)
Bit 15~00 Parameter value (low word) 0~65535
Note: If the master requests one parameter value, the value of PKW3 and PKW4 will not be
valid.
Task requests and responses
When passing data to slave machine, master machine use request label while slave
machine use response label to positive or negative confirmation. Table 5.5 and Table 5.6 list
the request/response functional.
The definition of task logo PKW1 is as follows:
Definition of task logo PKW1
Request label (From master to slave) Response label
Request Function
Positive
confirmation
Negative
confirmation
0 No task 0
－
1 Request parameter value 1,2 3
2
Modification parameter value (one word)
[only change RAM]
1 3 or 4
3
Modification parameter value (double word)
[only change RAM]
2 3 or 4
4
Modification parameter value (one word)
[RAM and EEPROM are modified]
1 3 or 4
5
Modification parameter value (double word)
[RAM and EEPROM are modified]
2 3 or 4
Request label
"2"-modification parameter value (one word) [only change RAM],
"3"-modification parameter value (double word) [only change RAM]
"5"-modification parameter value (double word) [RAM and EPROM are modified] not support
currently.
Reponses logo PKW1 defines as below: