SEW-Eurodrive Movitrac 31 Series Manual Download

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0922 6818 /

0498

MOVITRAC

31..

Frequency Inverter

PROFIBUS Fieldbus Interface

(FFP 31.. Option and Size 0/DP)

Manual

Edition 04/98

08/198/96

Summary of Contents for Movitrac 31 Series

Page 1: ...0922 6818 0498 MOVITRAC 31 Frequency Inverter PROFIBUS Fieldbus Interface FFP 31 Option and Size 0 DP Manual Edition 04 98 08 198 96...

Page 2: ...means Please refer to the MC_SHELL User Manual for detailed information or information on how to carry out this instruction section x x means Further information can be found in section x x of this Us...

Page 3: ...be connected simply and efficiently to the fieldbus system e g PROFIBUS User Manual Fieldbus Unit Profile MOVITRAC 31 part number 0922 7016 User Manual Communications Interfaces and Parameter List MO...

Page 4: ...2 PD 19 3 1 4 Configuring for 3 Process Data Words 3 PD 20 3 1 5 Configuring for 1 PD Parameter Channel 20 3 1 6 Configuring for 2 PD Parameter Channel 21 3 1 7 Configuring for 3 PD Parameter Channel...

Page 5: ...rameter Object 47 4 2 7 Universal Read Functionality Objects 48 4 3 Communications Relationship List CRL 51 4 3 1 CRL Definition 51 4 3 2 Communications Relationship Lists of the Inverter 53 4 4 Commu...

Page 6: ...IN E 19245 Part 3 PROFIBUS FMS and PROFIBUS DP can generally be operated on a joint transmission medium If a joint transmission medium is used however the units which are to communicate directly with...

Page 7: ...tion program as all major drive parameter data can now be recorded directly in the control program The use of a fieldbus system in drive technology requires additional monitoring functions such as fie...

Page 8: ...o that you can fit yourself or if specified when ordering an inverter with the FFP 31 option pcb already installed inside the unit 2 1 1 Scope of delivery Unless the FFP 31 option pcb is already insta...

Page 9: ...itch off the mains power and if appli cable the external 24 V supply 2 Take off the housing cover after removing the three recessed head screws 3 Remove the right upper option pcb or the system EPROM...

Page 10: ...nating resistors on the option pcb can be connected it is not necessary to use a type D connector with integrated terminating resistors 00302AEN Fig 4 Assignment of the 9 pin type D connector to EN 50...

Page 11: ...lated housings Connect the screening in the plug over as large an area as possible Connect the screening at both ends of the bus cable Do not lay signal and bus cables parallel to power cables motor l...

Page 12: ...e address range from 0 125 The address 126 is reserved for PROFIBUS DP and is for setting the address via the bus interface This feature is however not supported by the MOVITRAC 31 The address 127 is...

Page 13: ...ters depends on the protocol option used For straight PROFIBUS DP mode the DIP switch must be set to DP This will activate the default bus parame ters in particular the min TSDR in accordance with EN...

Page 14: ...pt setpoints from the fieldbus MOVITRAC 31 now responds to process data sent from the higher level control The activation of the fieldbus control mode is signalled to the higher level control by the F...

Page 15: ...the MOVITRAC 31 inverter please refer to the Fieldbus Unit Profile User Manual documentation 31 34 35 0 65 40 44 41 42 43 47 60 30 61 62 48 49 X2 X3 24 V 31 34 35 0 65 40 44 41 42 43 47 60 30 61 62 4...

Page 16: ...data via PROFIBUS DP can be seen as a straight process communications procedure To enable the DP master to communicate with the DP slaves it has to be given some important information regarding the DP...

Page 17: ...be ensured that contiguous data are also trans ferred together and not for example that the least significant part of the position is transferred one bus cycle ahead of the more significant part 00949...

Page 18: ...Word 1 PD Control of the MOVITRAC 31 inverter using only one process data word requires for example that the Cfg_Data identifier byte is coded as shown in Fig 13 This code must be sent to the inverter...

Page 19: ...ata words 01168A Fig 15 Configuration data example for setting 2 input output words 2PD Fig 16 shows the communication between the automation unit DP master and the MOVITRAC 31 frequency inverter via...

Page 20: ...ontrol of the MOVITRAC 31 inverter using one process data word and an additional parameter channel requires two identifier bytes to be defined Identifier byte 1 contains the code for the parameter cha...

Page 21: ...can exchange two process data words as well as the parameter channel 01172AEN Fig 21 Configuration example for parameter channel and 2 process data words Fig 22 shows the communication between the au...

Page 22: ...lue resp and parameterize it via the parameter channel see SEW documentation Fieldbus Unit Profile User Manual 01175AEN Fig 24 Communication with 3 process data words and parameter channel 3 2 Ident N...

Page 23: ...timeout period defined when the DP master is configured to parameter 571 Fieldbus Timeout Fig 27 This parameter consequently reflects the currently configured timeout period If the watchdog timer is n...

Page 24: ...ormed using the DP service DDLM_Slave_Diag The inverter also supports unit related diagnosis Fig 27 shows the structure of the diagnostic data 01181AEN Fig 29 Structure of the diagnostic data for the...

Page 25: ...dicates that the MOVITRAC 31 frequency inverter has parame ters set by a different master with the DDLM Set_Prm service Bit 6 Diag Prm_Fault This bit is set by the MOVITRAC 31 frequency inverter as DP...

Page 26: ...t be accessed via the bus If this bit is set the diagnostic bits in the master contain the status of the last diagnosis message of the frequency inverter or the initial value resp 3 4 2 Data in Octet...

Page 27: ...y set to one by the MOVITRAC 31 frequency inverter Bit 1 Diag Stat_Diag If the MOVITRAC 31 frequency inverter sets this bit the DP master must pick up diagnostic data until this bit is cleared again B...

Page 28: ...ting bit 3 Diag Ext_Diag in octet 1 Station Status 1 the inverter indicates to the master that unit related diag nostic information is available The unit related diagnostic information is stored in oc...

Page 29: ...new Sync command has been received The inverters quit Sync mode when the Unsync control command is issued 01186AEN Fig 34 Simultaneous activation of the new setpoints with the Sync command 1500 min 1...

Page 30: ...the frozen actual values The MOVITRAC 31 inverter supports both Sync Mode and Freeze Mode This makes it possible to group together a number of inverters and synchronize them using the Sync and Freeze...

Page 31: ...tput data of the MOVITRAC 31 inverter The factory setting for the process data channel is shown as a comment Example 1 Inverter control via the process data L IW 50 Load PD1 status word 1 L IW 52 Load...

Page 32: ...or PROFIBUS DP Fig 39 shows the structure of the parameter channel It generally consists of a management byte an index word a reserved byte and four data bytes 00951AEN Fig 39 Structure of the paramet...

Page 33: ...system The parameters of an inverter are addressed using a standard index irre spective of the type of fieldbus system Byte 1 should be considered reserved and must generally be set to 0x00 Data Area...

Page 34: ...ice in the management byte byte 0 3 Transfer the Read service to the inverter by toggling the handshake bit As this is a read service the transferred data bytes bytes 4 7 and the data length in the ma...

Page 35: ...e to SEW inverters therefore generally has the management byte code 32hex or 72hex 3 7 4 Sequence of Parameter Adjustment via PROFIBUS DP Using the WRITE service as an example Fig 45 shows the paramet...

Page 36: ...ke bit is toggled and service transferred to frequency inverter Service acknowledge received as send and receive handshake bits the same again Parameter channel is received but not evaluated WRITE ser...

Page 37: ...tab lished various conventions regarding the communications link are checked e g FMS services supported user data length etc If the link is successfully established the inverter answers with a positiv...

Page 38: ...are 4 1 5 Get OV With the FMS service Get OV the FMS master can retrieve the object description of the MOVITRAC 31 inverter In general all drive parameters are described as communications objects More...

Page 39: ...d from the SEW manual MOVITRAC 31 Parameter List Indi ces below 1000dec are handled directly by the PROFIBUS option pcb and should not be regarded as drive parameters of the inverter 4 2 1 Object Desc...

Page 40: ...ty 988 1 process output data word 1 PO 1 Only FMS mode Transmission of a process output data word from the master to the inverter with the FMS service Write 2 In the mixed mode DP FMS Reading a proces...

Page 41: ...data can be exchanged using the objects 3 PI and 3 PO Fig 45 shows the various ways of accessing communications objects in mixed mode DP FMS 01195AEN Fig 47 Process data access of DP master and FMS m...

Page 42: ...f the object 3 process output data words 3 PO Index 989 Object code 7 Simple variable Data type index 10 Octet string Length 4 Byte Local address Password Access groups Access rights Read all Write al...

Page 43: ...ture of the object 2 process input data words 2 PI 01200AEN Fig 52 Structure of the object 2 process input data words 2 PI Index 991 Object code 7 Simple variable Data type index 10 Octet string Lengt...

Page 44: ...e for straight DP appli cations and the min TSDR default value for mixed FMS DP applications Depending on the baud rate set the default values for the minimum response delay time defined in EN 50170 V...

Page 45: ...ets is conform with EN 50170 V2 DIN 19245 Part 3 and is not discussed in detail here 01202AEN Fig 54 Structure of the DP Station Diagnosis object 4 2 5 Download Parameter Block Object The Download Par...

Page 46: ...ith a positive Write Response In the event of an error a negative Write Response is returned In this event the return code will contain more precise details about the type of error and in addition the...

Page 47: ...data area of the Universal Write object The parameter values can be four or eight bytes long depending on the drive parameter The length can be obtained from the current parameter list for the respec...

Page 48: ...rsal Read also has an auto increment function where the read pointer Universal Read Pointer object is incremented by a specified amount each time the Universal Read Data object is read This number is...

Page 49: ...OFF The auto increment value is generally treated as having no sign i e the value is generally added The Universal Read Pointer object is only handled locally on the fieldbus option pcb and is defined...

Page 50: ...t 1 The Universal Read Data object is only handled locally on the fieldbus option pcb and is defined as shown in the following table Index 998 Object code 7 Simple variable Data type index 10 Octet st...

Page 51: ...ships from the point of view of the inverter The FMS master defines its communications relationships in its own CRL Link Type TYPE The TYPE field in the CRL defines the type of link between two PROFIB...

Page 52: ...able shows the meaning of the individual CRL entries Control Interval Times ACI CCI These CRL entries specify the time intervals used in the monitoring of a communications link i e the inverter checks...

Page 53: ...slave initiative Read CREF Type ATTR LSAP RSAP RADR SCC RCC SAC RAC ACI CCI 2 MSZY O 20 All All 0 0 0 0 3000 max PDU Size Features supported Supported FMS services Send HiPrio 0 00 00 00 00 20 00 Rea...

Page 54: ...vices Send HiPrio 0 00 00 10 80 33 06 Read indication Write indication Phys Read ind Phys Write ind Get OV long indication Event Notification request Send LoPrio 241 Rec HiPrio 0 Rec LoPrio 241 Acknow...

Page 55: ...of the Receive PDU Rec HiPrio Rec LoPrio of the master must be at least be that of the Send PDU Send HiPrio Send LoPrio of the slave 3 The corresponding flow control counters must agree SCCMaster RCC...

Page 56: ...the inverter parameters via the parameter channel Only the READ and WRITE services are supported The following table shows the return code for this special case Error rectification Check bits 0 2 in t...

Page 57: ...performed and should be repeated If this error recurs the frequency inverter must be switched off and then on again to reinitialize the unit Error rectification Repeat the READ or WRITE service If the...

Page 58: ...d out with the input 4 0 The read data can be displayed via control variables in the marker words MW 184 MW 190 The contents are as follows MW 184 received administration byte reserve byte MW 186 rece...

Page 59: ...ed otherwise the data read Data high or Error class error code Data low or Additional code high low Enable service execution and repeated execution of the FB UN WRITE BEB L PW 184 T MW 184 U BUSY SPB...

Page 60: ...DIN 19245 Part 2 Mixed operation PROFIBUS DP FMS Combislave Supported baud rates Automatic baud rate recognition of 9 6 kBaud 187 5 kBaud 19 2 kBaud 500 kBaud 93 75 kBaud 1500 kBaud Connection system...

Page 61: ...ctable for cable type A up to 1 5 MBaud in accordance with EN 50170 V2 DIN E 19245 Part 3 Station address 0 125 settable via DIP switch GSD file SEW_3100 GSD Part numbers UN 3 x 230 V UN 3 x 380 500 V...

Page 62: ...set forth in EN 50170 V2 DIN E 19245 Part 3 as follows Parameter Cable type A PROFIBUS DP Surge impedance 135 165 Ohm 3 20 MHz Capacitance per unit length 30 pF m Loop resistance 110 Ohm km Core diame...

Page 63: ...6 F FMS Interface 37 I Ident Number 22 Installation of the MOVITRAC 31 size 0 DP 10 Installing the FFP 31 Option pcb 8 L LEDs 14 M Min Tsdr 44 More detailed documentation 3 P Parameter List 3 Paramete...

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