Operating instructions - Lauda
Contents
1. Cmd Value Meaning Byte 2 Byte 3 6 Cmd from output data Requested data Response to read command OxFF Error number Communication error Error numbers Errors Meaning 0x02 Error during internal communication 0x03 Wrong command 0x05 Syntax error in the value 0x06 Impermissible value 0x08 Module or value not present 0x30 Programmer all segments occupied 0x31 No setpoint input possible analog setpoint input ON 0x32 TiH lt TIL 0x33 External probe missing 0x34 Analog value not present 0x35 Automatic set 0x36 No setpoint input programmer is running or is stopped on Pause 0x37 Start from programmer not possible analog setpoint input is switched on Protocol YAAE0020 14 11 06 Profibus Module 6 2 IS Protocol Short LAUDA 32 bytes are interchanged cyclically between the master and the Profibus module The significance of the individual bytes is described in the following tables Temperatures are always transmitted in the ASCII fixed point format XXX XX or XX XX Output data data from the master to the Profibus module Byte Meaning Format 0 5 Setpoint temperature C XXX XX or XX XX ASCII 6 Controller operation 1 Run 0 Standby ASCII 7 31 Free Input data data from Profibus module to the master Byte Meaning Format 0 52. 181 Off 13 12 Control parameter TvF s 13 13 Control parameter TdF s 13 14 Set point offset K Mode 14 0 Keyboard master 0 released 1 locked corresponds to KEY 14 1 Control O internal 1 ext Pt100 2 ext analog 3 ext serial 14 2 Standby operation 0 Unit on 1 Unit off 14 3 Keyboard command 0 released 1 locked 14 4 Setpoint offset source 0 normal 1 ext Pt 2 ext analog 3 ext serial General 15 1 Device status 0 OK 1 Fault error alarm or warning 15 2 Fault diagnosis Versions 16 0 Software version control system 16 1 Software version protection system 16 2 Software version command 16 3 Software version cooling system 16 4 Software version analog module 16 5 Software version Profibus module 16 6 Software version digital module 16 7 Software version solenoid valve cooling valve 16 8 Software version solenoid valve automatic refill valve 16 9 Software version solenoid valve constant level controller 16 10 Software version solenoid valve shut off unit 1 16 11 Software version solenoid valve shut off unit 2 16 12 Software version pump 0 16 13 Software version pump 1 16 14 Software version pump 2 16 15 Software version pump 3 16 16 Software version high temperature cooler YAAE0020 14 11 06 Protocol 13 LAUDA 14 Input data data from Profibus module to the master Profibus Module
3. e g the bath cover on the Proline thermostat or the bare interface panel on the Integral XT to discharge any electrostatic charge Or use an antistatic wrist band before unpacking the module Remove the module from its packaging Switch off the thermostat and pull out the mains plug Insert a screwdriver into the lower recess of the module cavity and pries up the plastic cover The cover can then be pulled off downwards Pull out the plug of the bus connecting cable from the plastic cover Plug on the bus connecting cable red plug onto red socket Insert the module and secure with the two cross head screws Connect the mains plug again and switch on the thermostat i The plugs are protected against reverse polarity The plugs have a ridge which slides into a groove in the socket YAAE0020 14 11 06 Installing the modules 5 LAUDA Profibus Module 3 General information GSD file and ID no Name of the GSD file LPBMOA2B GSD ID no 0x0A2B The GSD file contains information for the master e g the transmission baud rate response times and is provided together with the bitmap file Baud rate The transmission rate used by the master is detected automatically by the Profibus module Transmission rates of up to 12 Mbaud are supported by the Profibus module Addressing The Profibus address can be entered on the thermostat or assigned via the Profibus As supplied each devi
4. LAUDA Operating instructions Profibus Modules LAUDA DR R WOBSER GMBH amp CO KG P O Box 1251 97912 Lauda K6nigshofen Germany Valid from series 1 36 Telephone 49 9343 503 0 02 06 Fax 49 9343 503 222 YAAE0020 E Mail info lauda de Internet http www lauda de Profibus Module Contents T SAFETY INFORMATION rire ioaren na tarea taasan rotorda Ea aieseus ECEE VOEE S ESEESE NETON E E EESE ESNE ESE ESED LEEA EOST ESIS NE 4 2 gt INSTALLING THE MODULES criara aiad ss iate le dosuseessbavees cacdussvdussdedeseseetsatuessdesedacssessdetstedetes tise 5 3 GENERAL INFORMATION a cates ec ctsadeetss veesss caseeces AO rE EA seuss seeds ED EDEA KEELE E SEE EErEE EA EEEF EELE a 6 4 MENU STRUCTURE OF THE PROFIBUS MODULE eeesssesssosesssooeessecesssesssooeesseceesseoesseessooecsseceesseeeesoeessoosesseceee 7 4 1 COMMAND MENU STRUCTURE riete sirni riie i s e EENE AEE AE E EEEE E EER E E 7 4 2 MAST R MANUS TRU OTU RE e a aea aa a aaa AREE 8 5 SEEECTRICAL CONNEC TION cnairt ai a adea rai dai 9 0 PROTOCOL EE E E E A E AEE E AE A 10 6 1 PROTOCOL LARGE itoi r RECE E EOE EEEE ROEE EEN EEO E E AE E E ii 10 6 1 1 Write commands data issued to the thermostat cccccccsccecesscesesseseecnseesceseeseesesseeeeesecieeeecneeesenseeseeaetenenaes 11 6 1 2 Read commands data request from the thermostat cceeeeeeeereerirsirsrisrsrerrereesrissrrrrsere 12 6 1 3 Pirot NUMDETS eth o a Ae A ae A Taaak ate de Ne d Agaa Ko ad ED taan naa
5. Setpoint temperature C XXX XX or XX XX ASCII 6 11 Internal temperature value control system C XXX XX or XX XX ASCII 12 17 Actuating signal From 00 100 to 000100 ASCII 18 23 External temperature value from Pt100 C XXX XX or XX XX ASCII 24 29 Internal temperature value protection system C XXX XX or XX XX ASCII 30 Operational status 1 Run 0 Standby ASCII 31 Status 0x00 OK OxFF Fault Hex If the master specifies a new setpoint temperature via the output data this only appears in the input data when the new value has been accepted in the thermostat The same applies to the start stop byte YAAE0020 14 11 06 Protocol 15 LAUDA 7 Profibus error processing Profibus Module The red LED on the Profibus socket indicates a possible error gt Profibus error The LED is directly driven from the Profibus ASIC and signals that the Profibus is not in the status DATA EXCHANGE If the Profibus module detects an error the error number is transferred to the master via the Profibus as an external diagnostic byte A differentiation is made between two error categories Error 1 5 corresponds to a severe error In this case the unit must be switched off and on again If the error still occurs the Profibus module must be replaced and sent in for repair Error
6. The data transmission occurs according to the RS485 standard 5 1 View of sockets on the plug side or of sockets on the solder side g G Contact Name Function 1 Reserved 2 Reserved 3 B Data line 4 CNTR P Control signal for repair 5 GND Supply termination and data reference potential 6 5V Supply termination 7 Reserved 8 A Data line 9 Reserved The terminals 1 2 7 and 9 are reserved and must not be connected Use screened bus cables the screens of which are earthed at both ends e g plug case The use of Profibus standard cables is recommended YAAE0020 14 11 06 Electrical connection 9 6 1 10 LAUDA Profibus Module Protocol The protocol is defined on the master with the project definition tool via the module selection Before useful data can be interchanged on the Profibus each slave is initialized by the master To achieve this special telegrams with parameterization and configuration data are sent from the master to the slave Based on the configuration data the Profibus module detects the chosen protocol Protocol Large eS 7 bytes are sent cyclically from the master to the Profibus module and 6 bytes are sent from the Profibus module to the master Bytes from the master to the Profibus module Byte 1 Byte 2 Byte 3 Byte 4 7 Toggle Info Command Cmd Command no Cmd No Value Bytes from the Profibus modul
7. ce is set with the default address of 126 This address is required when a new address is assigned to the module via the Profibus Before the system is put into operation an address from 1 to 125 which has not yet been issued must be assigned to each newly added device Profibus error detection The Profibus ASIC signals via the red LED when an error is present on the Profibus 6 General information YAAE0020 14 11 06 Profibus Module LAUDA 4 Menu structure of the Profibus module All existing menu points are illustrated More extensive information can be found in the respective operating manuals of the thermostats 4 1 Command menu structure Menu Modules Profibus Profibus address YAAE0020 14 11 06 Menu structure of the Profibus module 7 LAUDA 4 2 Master menu structure eSg e Actual bath temperature or actual value of external temperature Modu Configure modules r5 Configure serial module A B88 Select Profibus address Shou Display level dEF Restore default settings End Quit menu Menu structure of the Profibus module UEr Display software version of the module Uc4 Display 24V supply voltage Snr H Module serial number Places 1 5 Snr _t Module serial number Places 6 10 888 Protocol selected by master End Quit display level Profibus Module YAAE0020 14 11 06 Profibus Module LAUDA 5 Electrical connection
8. e interface C Setpoint 2 0 Setpoint temperature C 2 1 Pump output step 2 4 TiH outflow temperature high limit C 2 5 TiL outflow temperature low limit C Parameter 3 0 Control parameter Xp K 3 1 Control parameter Tn 5 180s 181 Off 3 2 Control parameter Tv s 3 3 Control parameter Td s 3 4 Control parameter KpE Factor 3 5 Control parameter TnE 0 998s 999 Off 3 6 Control parameter TvE s 3 7 Control parameter TdE s 3 9 Max outflow temperature limit K 3 10 Control parameter XpF K 3 11 Control parameter TnF 5 180s 181 Off 3 12 Control parameter TvF s 3 13 Control parameter TdF s 3 14 Setpoint offset K Modus 4 0 Keyboard master 0 released 1 locked corresponds to KEY 4 1 Control O internal 1 ext Pt100 2 ext analog 3 ext serial 4 2 Standby operation 0 Unit on 1 Unit off 4 3 Keyboard command 0 released 1 locked 4 4 Setpoint offset source O normal 1 ext Pt 2 ext analog 3 ext serial YAAE0020 14 11 06 Protocol 11 LAUDA 12 Profibus Module Input data data from Profibus module to the master Cmd Value Meaning Byte 2 Byte 3 6 0 0 Communication was successful OxFF Error number Communication error Read commands data request from the thermostat IS With read commands bytes 3 6 from the Profibus module always contain a numerical value This is always transmitted in a resolu
9. e to the master Byte 1 Byte 2 Byte 3 6 Toggle Info Command Cmd Value An integrated toggle byte is used to detect whether an interrogation has been sent many times consecutively or when the Profibus module has reacted to the command sent by the master If the master sends a new command it must change the toggle byte In its response the Profibus module takes over the toggle byte sent by the master The command from the master is identified in the following tables by the command and the command number The reaction of the Profibus module is similarly identified via the command Some commands from the master and responses from the Profibus module include a numerical value This is always transmitted in a resolution of one thousandth Protocol YAAE0020 14 11 06 Profibus Module LAUDA 6 1 1 Write commands data issued to the thermostat IS With write commands bytes 4 7 always contain a numerical value This is always transmitted in a resolution of one thousandth Output data data from the master to the Profibus module The column Relevance states whether the command is limited to a certain line of devices P gt only Proline XT gt only Integral XT blank gt generally valid Cmd Cmd No Meaning Rele Byte 2 Byte 3 vance Process value 1 0 External temperature to be set through th
10. en AS aa 14 6 2 PROTOCOL SHORT oieee taii ERER E REA ER AEE E A E EO E E E A E T 15 7 PROFIBUS ERROR PROCESSING eseessoeesseoesssesssooeesseoeesseeessoeessooeesseceeseecescoeessooeesseceeeeeeessoeessooeesseeeeseeessssesssooeeseee 16 8 ERROR CHECK DS aa a ae AE ea araa EE E eE AE ootbascsdeseshossessadocteleasoscessessecusecessessdesevccteseasessesee 17 Explanation of signs Danger Note Reference YAAE0020 14 11 06 This sign is used where there may be injury to personnel if a recommendation is not followed accurately or is disregarded Here special attention is drawn to some aspect May include reference to danger Refers to other information in different sections Contents LAUDA Profibus Module 1 Safety information Follow the operating instructions for the thermostat Withdraw the mains plug before installing the modules Touch an earthed component or use an antistatic wrist band before unpacking the module lt a The Profibus module cannot be used in combination with an RS 232 RS 485 module If necessary use the RS 232 RS 485 interface on the command control panel 4 Safety information YAAE0020 14 11 06 Profibus Module LAUDA 2 Installing the modules The installation in a module slot is shown here using a Proline unit as an example The same procedure applies to other thermostats In case of doubt refer to the operating manual for the respective thermostat Touch an earthed component
11. er rate The wrong cable was selected Whereas cables of Type B are only suitable for transfer rates up to 1 5 Mbaud and only short bus lengths can be achieved cables of Type A can be used up to 12 Mbaud and longer maximum bus lengths can be achieved than for Type B with transfer rates up to and including 1 5 Mbaud Too many devices are connected to the Profibus segment With the RS485 transmission technology a maximum of 32 devices can be connected The Profibus has not been terminated at both ends by active bus terminations The termination resistances on the active bus terminations have not been switched in These must be activated on the first and last devices on a Profibus segment The active bus terminations are not being supplied with voltage A bus termination in the middle of the Profibus segment is switched in The bust termination in a Profibus device is set incorrectly Some devices already have a bus termination integrated Too long spur lines have been used Reflections which can corrupt signals arise due to spur lines Avoid using spur lines if possible No screened bus cable has been used The mesh screen and where applicable the foil screen located below it have not been connected to the protective earth e g plug case at both ends The transmission is briefly or permanently subject to EMC interference due to defective screening of the bus cable Due to potential differences a circulating current can flow b
12. etween the earthing points via the screen which is connected at both ends In this case an additional potential equalization line between the connected devices is recommended The bus cable has been routed in the vicinity of cables carrying heavy current A device with a different transmission technology has been connected to the Profibus segment e g current modulated transmission technology according to IEC 61158 2 H1 Profibus PA YAAE0020 14 11 06 Error check list 17
13. s 6 15 are warnings These are only displayed for one minute to provide information and are then reset automatically Error number Error description Reserved Hardware error EEPROM error Internal memory error Fieldbus hardware error or wrong fieldbus ID Script error Reserved RS transmit buffer overflow RS receive buffer overflow O MINI OD oa AJOIN RS timeout O General fieldbus error _ Parity error N Reserved ow Configuration error by the Profibus Master _ P Fieldbus buffer overflow oa Reserved 16 Profibus error processing YAAE0020 14 11 06 Profibus Module LAUDA 8 Error check list The address set on the Profibus module does not match the address assigned in the master There are too many masters on the bus e g parameterizing tools The single master has too little time available on the bus to control the system correctly There are large gaps between the allocated addresses With large gaps the passing of the token between two masters takes longer The bus cable has not been connected to the Profibus module The data lines A and B or and have been interchanged A bus cable is bad high contact resistances or it is defective The use of Profibus standard cable is recommended The bus cable is too long The maximum length depends on the selected transf
14. tion of one thousandth Output data data from the master to the Profibus module The column Relevance states whether the command is limited to a certain line of devices P gt only Proline XT gt only Integral XT blank gt generally valid Cmd Cmd No Meaning Rele Byte 2 Byte 3 vance Process value 11 0 Bath resp outflow temperature C 11 1 Controlled temperature internal external Pt100 external analog external serial C 11 2 Pump pressure bar XT 11 3 External temperature Pt100 C 11 4 External temperature analog input C 11 5 Level Setpoint 12 0 Temperature setpoint C 12 1 Pump output step 12 3 Overtemperature switch off point C 12 4 TiH outflow temperature high limit C 12 5 TiL outflow temperature low limit C Parameter 13 0 Control parameter Xp K 13 1 Control parameter Tn 5 180s 181 Off 13 2 Control parameter Tv s 13 3 Control parameter Td s 13 4 Control parameter KpE Factor 13 5 Control parameter TnE 0 998s 999 Off 13 6 Control parameter TvE s Protocol YAAE0020 14 11 06 Profibus Module LAUDA 13 7 Control parameter TdE s 13 9 Max outflow temperature limit K 13 10 Control parameter XpF K 13 11 Control parameter TnF 5 180s
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