INVT Goodrive 310-UL Series Operation Manual page 231

GD310-UL series VFD
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)
Request
0
1
2 Modification parameter value (one word) [only change RAM]
3 Modification parameter value (double word) [only change RAM]
Modification parameter value (one word) [RAM and EEPROM
4
Modification parameter value (double word) [RAM and
5
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:
Confirmation
0 No response
1 Transmission parameter value (one word)
2 Transmission parameter value (two word)
Task cannot be executed and returns the following error number:
0: Illegal parameter number
1: Parameter values cannot be changed (read-only parameter)
3 2: Out of set value range
3: The sub-index number is not correct
4: Setting is not allowed (only reset)
5: Data type is invalid
Function
No task
Request parameter value
are modified]
EEPROM are modified]
Response label (From slave to master)
-223-
Function
Expansion card
Response label
Positive Negative
confirmation confirmation
0 /
1, 2 3
1 3 or 4
2 3 or 4
1 3 or 4
2 3 or 4