Delta PD-01 User Manual

Delta PD-01 User Manual Manual pdf 34 page image

PD-01 PROFIBUS-DP ModuleDELTA ELECTRONICS, INC. ALL RIGHTS RESERVED 3100 – Normal01 – CRC check failure02 – VFD series Drive returns error code03 – Communication is time out and disconnectedByte 9 indicates the error code when byte 8 is 02 (VFD series Drive returns error code). Referto the Section 6.3 for the meanings of invalid code.Other word, user can get the diagnostic data via PZD area any time. PD-01 provides somespecial MODBUS addresses to indicate the diagnostic status, the address assignments areas following:0x7500 0x7501 0x7502 0x7503 0x7504Address HighbyteLowbyteHighbyteLowbyteHighbyteLowbyteHighbyteLowbyteHighbyteLowbyteMeaningSPcommstatusErrorcode Reserved, read to 0User can get these data through “Data Output 1”, or 2, or 3, or 4 in user parameters. Forexample, if set the “Data Output 1” to 0x7500 means get the diagnostic data from 0x7500,and get the return data from address 0x7500 in 1st word of PZD area.NOTE:These special addresses are read-only, it will fail if user tries to write data to it.Troubleshooting via error codesIf there is a communication error detected between PD-01 and VFD series Drives, the errorcode will be displayed on the digital keypad of VFD series Drives.VFD series Drives can process the message from PD-01 if the communication setting is valid.But if the command of message is invalid, the VFD series Drives will respond a reportmessage that has error codes listed in table below, to PD-01.Code Meaning Corrective actives01 Illegal command codeThe command code received in thecommand message is not availablefor the drives.1. Check the Request Identifier in PKW area.PD-01 just supports ID 0, 1, 2.2. Re-supply power to PD-01.02 Illegal data addressThe data address received in thecommand message is not availablefor the drives.1. Check the Parameter number in PKW area,and refer the user manual of VFD Drives.2. Check the settings of user parameters “DataInput 1” to “Data Input 4” and “Data Output1” to “Data Output 4”, and refer to the usermanual of VFD series Drives.3. Re-supply power to PD-01.

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