User manual

Chapter 5 Communication| CME-PD01
Revision October 2006, 2006PDD23000013 5-5
NOTE
Table above is for reference only, please check VFD-E series user manual for details.
CME-PD01 will get the status word from VFD-E series, so the bit assignments in the user
manual of VFD-E series is valid.
5.3.5 Accessing Parameters via PKW Area
In cyclical data, CME-PD01 can provide request and response (read / write) message to
access the VFD-E parameters. Due to the request and response mechanism, the master
must send the request until receives a corresponding response.
Following 4 words are for PKW area:
Word 1 Parameter ID (PKE)
15 12
AK
11
SPM
10
Parameter number (PNU)
Word 2 Parameter sub-index (IND)
15 8 7
Word 3 PWE1 Reserved
Word 4 PWE2 Read/Write parameters
5.3.5.1 PKE
Bits 0 to 10 (PNU) contain the number of the relevant parameter.
Bit 11 is reserved.
Bits 12 to 15 (AK) contain the request or the response identifier.
Request identifier (master CME-PD01)
Request Identifier Description
0
No request
1
Request parameter
value
2
Modify parameter value
(word)
Response identifier (CME-PD01 master)
Request Identifier Description
0 No response
1
Send parameter value
(word)
7
Cannot process request
(with error number)