User manual HITACHI SJ-PB

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[. . . ] Hitachi Inverter SJ300/L300P SERIES SJ-PB(T) INSTRUCTION MANUAL Thank you for purchase of "HITACHI INVERTER". This manual explains about treatment of "SJ-PB(T) (Profibus-DP Option)". By reading this manual and an instruction manual of inverter use practically for installation, maintenance, and inspection. Make sure to reach this manual to the end user. Table of Contents Chapter1 Chapter2 Chapter3 Chapter4 Chapter5 Chapter6 Appendix INTRODUCTION INSTALLATION WIRING, CONNECTING SETTING OPERATING COUNTERMASURE FOR ABNORMALIT PARAMETER CROSS-REFERENCE LIST 1 5 6 8 10 21 22 After reading this manual, keep it at handy for future reference. NB6 22 BX - Request Thank you for purchase of "SJ-PB(T) (Profibus-DP Option)". [. . . ] - 9 CHAPTER5 OPERATING This section describes how to control the inverter via control word/status word and how to access the inverters parameters. 5. 1 PPO- description The structure of the user data is designated as parameter process data objects (PPO) in the Profidrive profile. The profile defines five PPO types, where SJ-PB supports all these PPO types. There are PPO's with a parameter area (PKW) and a process data area (PZD). There is also PPO's that consist exclusively of process data (PZD). The user can configure what shall be transferred in PZD3-10 (shaded grey below), for more instructions of how to do this configuration see chapter 5. 3. 3, 5. 4. 2, 5. 4. 3 and Appendix. PKW PKE IND PWE PZD PZD1 STW ZSW PZD2 HSW HIW PZD3 PZD4 PZD5 PZD6 PZD7 PZD8 PZD9 PZD10 Word PPO1 Word PPO2 1 2 3 4 5 6 1 2 3 4 5 6 7 8 9 10 Word PPO3 Word PPO4 Word PPO5 PKW -- Parameter ID/value. 1 2 3 4 5 6 5 6 7 8 9 10 5 6 7 8 9 10 11 12 13 14 10 CHAPTER5 OPERATING 5. 2 PKW-part The parameter part (PKW) is fixed to 4 words and can be used for reading and/or updating the parameters in the inverter one by one. Requests and responses is a handshake procedure and cannot be batched, meaning that if the master sends out a read/write request, it has to wait for the response, before it sends a new request. The PKW is further divided into three parts; PKE- Parameter ID (2 bytes), IND ­ Sub-index (2 bytes) and PWEParameter value (4 bytes). PKW PKE PZD PZD1 STW ZSW IND PWE PZD2 HSW HIW PCD3 PCD4 PCD5 PCD6 PCD7 PCD8 PCD9 PCD10 PKW: Parameter ID/value. PWE: Parameter value (4 bytes). PKE handling: b15 b14 b13 AK b12 b11 SPM b10 b9 b8 b7 b6 b5 PNU b4 b3 b2 b1 b0 Figure 5-1 PCA word AK: Request/response characteristics (Range 0-15) SPM: Toggle bit for Spontaneous Messages, not used by SJ-PB(T). Range 1- 418 for Hitachi specific parameters and 900-999 for Profidrive specific parameters. Please refer to chapter 3. 5 for which Profidrive specific parameters that are supported. 11 CHAPTER5 OPERATING Request/Response handling The AK portion of the PKE word defines the request/response that may be issued. Since parameter length of the SJ300/L300P inverter may vary, parameter values are always transferred so that the least significant byte is placed in octet 8. If the Request/Response contains array elements, the high byte (byte 3) of the IND word will carry the array sub index, low byte (byte 4) is reserved for future use. AK content (master -> slave) Request Function 0 No request 1 Request parameter value 2 Change parameter value (word) 3 Change parameter value (long word) 4 Request description element (note) 5 Change description element (note) 6 Request parameter value (array) 7 Change parameter value (array word) 8 Change parameter value (array long word) (note) 9 Request number of array elements Ackn (+) 0 1 1 2 3 3 4 4 5 6 Ackn (-) 7 7/8 7/8 7 7 7 7/8 7/8 7 AK content (Slave -> master) Response ID Function 0 No response 1 Transfer parameter value (word) 2 Transfer parameter value (long word) 3 Transfer description element (note) 4 Transfer parameter value (array word) 5 Transfer parameter value (array long word) (note) 6 Request number of array elements 7 Request rejected, followed by fault code (in PWE part). 0 = Non-admissible parameter number 1 = Parameter value cannot be changed 2 = Upper or lower limit exceeded 3 = Erroneous sub-index 4 = No array 5 = Incorrect data type 7 = Descriptive element cannot be changed 9 = Descriptive data not available 11 = No parameter change rights 17 = Task cannot be executed due to operating status 102= Task cannot be executed due to communication error. 18 = Other 8 No parameter change rights by PKW interface 9 Parameter data signal (word) (note) 10 Parameter data signal (double word) (note) If the inverter rejects a request from the master, the AK word in the PPO-read will indicate this by assuming value 7 or 8. (note) Not supported by the SJ-PB(T) option board. 12 CHAPTER5 OPERATING 5. 3 PZD-part In this chapter the process data part (PZD) of a PPO is discussed. The PZD part consists of a fixed part (PZD1-2, all PPO's) and a parameterable part (PZD 3-10, shaded grey above, PPO 2, 4 and 5). In the fixed part, control word and speed reference are transferred to the inverter while status word and actual output frequency are transferred from the inverter. In the parameterable part, PZD word 3-10, the user can configure what parameters that should be transferred to/from the inverter every bus-cycle (see chapter 5. 3. 3 and Appendix). 5. 3. 1 Control- / status word (STW/ZSW) This section describes how to operate the inverter with the control-/status word. With the control word the Profidrive state-machine (Figure 5-2) is controlled, the status word is reflecting the state of the inverter. Profidrive Control Word (STW): The control word is used to send control commands to the inverter (PLC->Inverter). Control word Bit 0 1 2 3 4 5 6 7 8 Value 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 Meaning On1 OFF1 ON2 OFF2 ON3 OFF 3 Operation enabled Operation disabled Condition for operation Ramp generator disabled Ramp generator enabled Stop ramp generator Enable set-point Inhibit set-point Acknowledge No function Inching 1 ON Inching 1 OFF Not used Data valid Data invalid REV FWD Commands invalid Commands valid Reference invalid Reference valid Not used Remark Inverter can be started if all other start conditions are fulfilled. [. . . ] 0 ­ PKW interface disabled, only parameter 927 can be read/written. 1 ­ Option board will send control word, reference and will update PZD3-10. the baudrate of the Profibus-DP network 0: 12 Mbit/s 1: 6 Mbit/s 2: 3 Mbit/s 3: 1. 5 Mbit/s 4: 500 kbit/s 5: 187. 5 kbit/s 6: 93. 75 kbit/s 7: 45. 45 kbit/s 8: 19. 2 kbit/s 9: 9. 6 kbit/s Bit 15 represents the type of inverter, 0 ­ SJxxx, 1 ­ LxxxP. SJ300 - 0x012C L300P - 0x812C Returns the Profidrive profile version used in the SJ-PB implementation Shows the latest received control word in hex format Refer to chapter 5. 3. 1 for detailed information about the control word. [. . . ]


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