INVT Goodrive 35 Series User Manual

Goodrive35 inverters Appendix A
302
Structure of PKW area:
Parameter identification zone
In the process of periodic PROFIBUS/CANOPEN-DP communication, PKW area is
composed of four words (16 bit), each word is defined as follows:
The first word PKW1 (16 bit)
Bit 15~00
Task or response identification marks
0~7
The second word PKW2 (16 bit)
Bit 15~00
Basic parameters address
0~247
The third word PKW3 (16 bit)
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
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INVT Goodrive 35 Series Specifications

General

Brand	INVT
Model	Goodrive 35 Series
Category	Inverter
Language	English