Delta PD-01 User Manual

Delta PD-01 User Manual Manual pdf 18 page image

PD-01 PROFIBUS-DP ModuleDELTA ELECTRONICS, INC. ALL RIGHTS RESERVED 15NOTE:Table above is for reference only, please check VFD series Drives user manual fordetails. PD-01 will get the status word from VFD series Drives, so the bit assignments inthe user manual of VFD series Drives is valid.Accessing parameters via PKW areaIn cyclical data, PD-01 can provide request and response (read / write) message toaccess the parameters of VFD series Drives. Due to the request and responsemechanism, the master must send the request until it receives a correspondingresponse.PKW have at least 4 words:Word 1 Parameter ID (PKE)15 12AK11SPM10 0Parameter number (PNU)Word 2 Parameter sub-index (IND)15 8 7 0Word 3 PWE1 reserved in PD-01Word 4 PWE2 parameter value of read/writePKEBits 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 Æ PD-01)Request Identifier Meaning0 No request1 Request parameter value2 Modify parameter value (word)Response identifier (PD-01 Æ master)Response Identifier Meaning0 No response1 Transfer parameter value (word)7 Cannot process request (with error number)