SWS-457 - Sincro Systems
Contents
1. 000 0000 1 123 000 0001 0 1 12 3 000 0010 0 01 1 23 000 0011 0 001 0 123 000 1xxx 1 123 010 0000 01 123 010 0001 0 1 12 3 010 0010 0 01 1 23 010 1xxx 01 123 100 0000 0001 0123 100 0001 000 1 012 3 100 0010 00 01 01 23 100 1xxx 0001 0123 X does not matter Tab 8 1 Decimal point position and minimal number of digits User manual for digital indicator with serial input SWS 457 8 3 2 Interpretation of registers 10h 15h content Con if this bit is set 1 then sign defined by bits 7 0 is displayed in place of particular digit defined as a part of registers 01h and 02h value Asc ifthis bit is set then sign to be placed on particular decade defined by bits 7 0 is interpreted as ASCII code X these bits does not matter DP G A these bits defines if particular segments light or not only if bit Asc 0 or ASCII code of particular decade only if bit Asc 1 A gt 15 14 13 8 7 6 543 2 1 0 M Con Asc X DP G F E D C B A NN E c T D DP Tab 8 2 Interpretation of registers 10h 15h content 8 3 3 Interpretation of registers 18h 1Dh content Aon if this bit is set then the colour of decade character is determined with Co bits In the other case the colour of decade character is determined with Col parameter available in device menu X these bits does not matter BL if this b2. NE 7 3 MENU DESCRIPTION 7 3 1 bri parameter 7 3 2 col parameter 14 7 3 3 SLAv menu 14 7 3 4 mASt menu TEES 7 9 0519 MENU zch c eni o uA iMd Me e E YES castor tested 16 7 3 7 Edit parameter adf 7 3 8 dEFS parameter Lud lE Egi M 7 4 MENU STRUGTURE ttti nta a d eL dde Lag su Fe e HU ge e rodka cada aaa 8 THE MODBUS PROTOCOL HANDLING 8 1 LIST OF REGISTERS sse is 8 2 TRANSMISSION ERRORS DESCRIPTION sesenta 21 8 3 DRIVING OF DECADES it i co in Ha do rn rog o ege ug HERE e HARE e Roe npe FAR dA 22 8 3 1 Decimal point position and minimal number of digits naa 8 3 2 Interpretation of registers 10h 15h content 23 8 3 3 Interpretation of registers 18h 1Dh content 229 8 3 4 Examples of exploration of registers 02h and O3h 2d 8 3 5 Examples of exploration of registers 10h 15h 24 8 4 EXAMPLES OF QUERY ANSWER FRAMES 25 9 DEFAULT AND USER S SETTINGS LIST csscseccsececsssessccetsssesccssatenstacssrstereatsecssieactesacgesizesateastnsnscaievessessy 27 User manual for digital indicator with serial input SWS 457 Explanation of symbols used in the manual This symbol denotes especially important guidelines concerning the installation and operation of the device Not complying with the guidelines denoted by
3. SIMEX Measurement amp Control USER MANUAL for digital indicator with serial input type SWS 457 firmware version 1 12 or higher J j IP65 IP67 CE Read the user s manual carefully before starting to use the unit Producer reserves the right to implement changes without prior notice 22 10 2007 V 2 00 User manual for digital indicator with serial input SWS 457 CONTENTS 1 BASIC REQUIREMENTS AND USER SAFETVY eeeeeee inesse enean nn natn inna anas a aaa n sean aaa oz aaa n asa a aaa OZNA 3 2 GENERAL CHARACTERISTICS 4 3 TECHNICAL DATA A 4 DEVICE INSTALLATION 5 4 1 UNPACKING 6 4 2 ASSEMBEY E 6 4 3 CONNECTION METHOD aa t ai eee AR R AE YE Aa AAAA rai editia LER ERE RYKI 4 4 MAINTENANCE 5 FRONT PANEL DESCRIPTION 1 10 6 PRINCIPLE OF OPERA TION wiesza wawa nta ope atum puaka dd nan p a n2 seo nr Opad soa Esa pisii 10 6 1 DISPEAYING MODE ciiin ient e pp ie pit co nere LA aee PEE Fog e pod a Leite ee 10 6 1 1 SLAVE mode operation nd 6 1 2 MASTER mode operation Il LL PROGRAMMING MENU setis t eise Cotes culaced inlecalivda cet calessccharesdpladsdipsapadetiasessieatetindes AUT 7 2 PARAMETERS EDITION A2 7 2 1 Numeric parameters digit change mode 7 2 2 Numeric parameters slide change mode RE 7 2 3 Switch parameters LIST type
4. signed 16 bit write to register 01h is not necessary U 32 unsigned 32 bit writes to registers 01h and 02h are necessary S 32 signed 32 bit writes to registers 01h and 02h are necessary mbAc this parameter sets the access to the configuration registers of the device Possible values on configuration registers can be set via RS 485 interface oFF configuration registers can not be set via RS 485 interface aD Blockade of writing do not refers with registers no 01h 02h i 03h see LIST OF REGISTERS VALr this parameter defines reaction for writes to registers 01h 02h and 03h it can be set to on after writes device responds with standard frame oFF after writes device do not sends anything aD If parameter vALr is set to oFF then it is possible to drive many devices simultaneously at the same moments without collisions in network 14 User manual for digital indicator with serial input SWS 457 7 3 4 mASt menu This menu is accessible only if MASTER mode is selected and it contains parameters connected with this mode Addr this parameter defines the address of the device which have to be read It can be set in range from O to 199 If the value O is set then device with address 255 FFh will be read rEG this parameter defines holding register number of SLAVE device which contains displayed value If displayed value type is set as 32 bits signed or unsigned
5. given parameter Options of switching parameter are selected using v keys Short pressing of ENTER causes in displaying of the acknowledge question SEt If key ENTER is pressed again the changes are accepted stored in EEPROM end the edition process finished Pressing the key ESC after SEt causes in cancelling of made changes and returning to menu Functions of buttons when editing numeric and switching parameters While editing numeric parameter change of current flashing digit Slide change of value acceleration deceleration direction change While editing switch parameter selection of switch parameter If numerical parameter is being edited a short press of ENTER button change edited position A long press of ENTER button at lest 2 sec causes of display a SEt ask which allow user to make sure if change of the parameter value is correct If switch parameter is being edited a short press of ENTER button causes of display a SEt ask When ENTER button is pressed again while SEt is displayed the new value of the parameter is stored in EEPROM memory ENTER Pressing this button operator can cancel the changes done up to now if they MENU were not approved by ENTER button after the SEt ask and come back to menu 7 3 MENU DESCRIPTION Tl password checking If some password different from 0000 is set then every enter to main menu follows the entering of password If entere
6. see parameter tyPE parameter rEG defines higher word register address Its value can be changed from 0 to 9999 tyPE type of value written to displayed value registers it can be set to U 16 unsigned 16 bit single register S 16 signed 16 bit single register U 32 unsigned 32 bit two following registers S 32 signed 32 bit two following registers Pnt decimal point position following values are possible for this parameter k 0 bk 0 0 73 0 00 EG If value rEG is selected then decimal point position will be read from holding register defined by parameter PrEG of SLAVE device defined by parameter Addr PrEG this parameter defines holding register number of SLAVE device which contains decimal point position Value of this parameter matters only if parameter Pnt is set to value rEG In other case value of PrEG does not matter PEr this parameter defines time period between successive reads of displayed value and decimal point position if Pnt rEG registers 7 3 5 rS menu This menu is connected with RS 485 interface and sets his properties modE this parameter defines device operation mode There are available two modes mASt MASTER mode operation SWS 457 unit reads necessary data from defined registers of SLAVE device All parameters referred with this operation mode are available in mASt submenu SLAv SLAVE mode operation SWS 457 unit wai
7. this symbol may cause an accident damage or equipment destruction IF THE DEVICE IS NOT USED ACCORDING TO THE MANUAL THE USER IS RESPONSIBLE FOR POSSIBLE DAMAGES This symbol denotes especially important characteristics of the unit Read any information regarding this symbol carefully 1 BASIC REQUIREMENTS AND USER SAFETY AN The manufacturer is not responsible for any damages caused by inappropriate installation not maintaining the proper technical condition and using the unit against its destination Installation should be conducted by qualified personnel During installation all available safety requirements should be considered The fitter is responsible for executing the installation according to this manual local safety and EMC regulations The unit must be properly set up according to the application Incorrect configuration can cause defective operation which can lead to unit damage or an accident If in the case of a defect of unit operation there is a risk of a serious threat to the safety of people or property additional independent systems and solutions to prevent such a threat must be used The unit uses dangerous voltage that can cause a lethal accident The unit must be switched off and disconnected from the power supply prior to starting installation of troubleshooting in the case of malfunction Neighbouring and mating equipment must meet the requirements of appropriate standards and regulati
8. 5 Us 198 mm a 69 mm Figure 4 1 Device and assembly dimensions of F type case User manual for digital indicator with serial input SWS 457 P 230 mm gt 96 5 mm 212 mm A O e E E E E e N wt O O c ug dj dj Figure 4 2 Device and assembly dimensions of T type case 4 3 CONNECTION METHOD Caution AN Installation should be conducted by qualified personnel During installation all available safety requirements should be considered The fitter is responsible for executing the installation according to this manual local safety and EMC regulations The unit is not equipped with an internal fuse or power supply circuit breaker Because of this an external time delay cut out fuse with minimal possible nominal current value must be used recommended bipolar max 2A and a power supply circuit breaker located near the unit In the case of using a monopolar fuse it must be mounted on the phase cable L The power supply network cable diameter must be selected in such a way that in the case of a short circuit of the cable from the side of the unit the cable shall be protected against destruction with an electrical installation fuse Wiring must meet appropriate standards and local regulations and laws In order to secure against accidental short circuit the connection cables must be terminated with appropriate insulated cable tips Ti
9. Device s answer ADDR FUNC REG H L COUNT H L CRC L H 01 10 00 01 00 03 D1 C8 4 Try to write improper value to register 22h baud rate ADDR FUNC REG H L DATA H L CRC LH 01 06 00 22 00 09 E9 C6 DATA L DATA L value exceeds allowable range from O to 7 The answer if an error occur ADDR FUNC ERR CRC LH 01 86 03 02 61 Gi There is no full implementation of the Modbus Protocol in the device The functions presented above are available only 26 User manual for digital indicator with serial input SWS 457 9 DEFAULT AND USER S SETTINGS LIST Parameter Description Default value User s value aa bri Display brightness bri6 14 col Display colour colO 14 Configuration of SLAVE mode menu SLAv Addr SWS 457 device address 0 14 tyPE Display value type S 16 14 mbAC Permission to changes of configuration registers on 14 vALr Blockade of answer after writes to reg 01H 02h or 14 03h xL Configuration of MASTER mode mASt menu Addr SLAVE device address 0 15 rEG Number of displayed value register 1 15 tyPE Displayed value data type S 16 15 Pnt Decimal point position 0 15 PrEG Decimal point register number of SLAVE device 5 15 PEr Time period of data reading from SLAVE device 0 15 RS 485 interface configuration rS menu modE
10. Operation mode SLAv 15 bAud Baud rate 9600 16 mbtO Maximum delay between received messages 0 16 rESP Additional delay of answer transmission Std 16 Configuration of numerical parameters edition Edit Numerical parameters edit mode dig 17 27 SIMEX SIMEX Sp z o o ul Wielopole 7 PL 80 556 Gdansk Poland tel 48 58 762 07 77 fax 48 58 762 07 70 http www simex com pl e mail info simex com pl
11. address 1 All values are represent hexadecimal Field description ADDR FUNC REGH L Device address on modbus network Function code Starting address address of first register to read write Hi and Lo byte COUNTH L No of registers to read write Hi and Lo byte BYTE C DATA H L CRC LH Data byte count in answer frame Data byte Hi and Lo byte CRC error check Hi and Lo byte 1 Read of device ID code ADDR FUNC REG H L COUNT H L CRC L H 01 03 00 21 00 01 D4 00 The answer ADDR FUNC BYTEC DATA H L CRC L H 01 03 02 21 EA 21 9B DATA identification code 21EAh 2 Change of the device address from 1 to 2 write to reg 20h ADDR FUNC REG H L DATA H L CRC LH 01 06 00 20 00 02 09 C1 25 User manual for digital indicator with serial input SWS 457 DATAH 0 DATA L new device address 2 The answer the same as the message ADDR FUNC REGH L DATA H L CRC LH 01 06 00 20 00 02 09 C1 3 Writing of value to be displayed and decimal point position multi register write using modbus function 10h ADDR FUNC REG H L COUNT H L BYTE C 01 10 00 01 00 03 06 And next bytes of frame DATA H1 L1 DATA H2 L2 DATA H3 L3 CRC LH 00 00 04 D2 00 02 97 8D This write causes by displaying message 12 34
12. c option vALr parameter in SLAv menu blockade of modbus answer 26h Yes 0 1 after writes to registers 01h 02h or 03h 0 answer blocked 1 standard modbus answer mbtO parameter in rS menu maximum delay between 27h Yes 0 99 received frames 0 no delay checking 1 99 maximum delay expressed in seconds 4 R bri parameter display brightness DN NER dd 1 the lowest brightness 8 the highest brightness 20 User manual for digital indicator with serial input SWS 457 Register Write Range Register description 2Eh Yes 0 8 col parameter display colour Edit parameter numerical parameters edit mode SLM 0 1 0 dig mode 1 SLid mode tyPE parameter in SLAv menu displayed value type 0 unsigned 16 bit write to register 01h is not necessary 30h Yes 0 3 1 signed 16 bit write to register 01h is not necessary 2 unsigned 32 bit writes to registers 01h and 02h are necessary 3 signed 32 bit writes to registers 01h and 02h are necessary 31h Yes 1 8 Dynamically driving of display brightness via serial interface 32h Yes 0 8 Dynamically driving of display colour via serial interface 1 after writing to register no 20h the device responds witch an old address in the message 2 after writing to register no 22h the device responds with the new baud rate 3 the value of the mbAc parameter is also connected to wri
13. d password is correct then first menu position will be displayed else warning Err and unit returns to displaying mode d Due to problem with direct displaying of m letter it is exchanged with special sign n Independently in user manual letter m is used to make it more readable example modE 13 User manual for digital indicator with serial input SWS 457 7 3 1 bri parameter This parameter allows user to set bright of the LED display bright can be set to conventional values from bri1 to bri8 7 3 2 col parameter This option allows changes colour of displayed signs Possible values from col0 to col8 through light green yellow and through green a Regardless of col parameter value user can change the colour of each sign decade individually 7 3 3 SLAv menu This menu is accessible only if SLAVE mode is selected and it contains parameters connected with this mode Addr this parameter defines the address of the device accordingly to Modbus protocol It can be set in range from 0 to 199 If the value 0 is set then device responds to frames with address 255 FFh In SLAVE mode every SWS 457 connected to the same serial network should have its own address different from other devices addressed tyPE type of value written to displayed value registers it can be set to U 16 unsigned 16 bit write to register 01h is not necessary S 16
14. dited Symbol used in the manual ENTER Functions Startto edit the parameter Enterto the sub menu Confirmation of changes made in parameter being edited Symbol used in the manual v Functions Change of the present menu Modification of the parameter value Change of the display mode ENTER 6 PRINCIPLE OF OPERATION After turning the power supply on device ID and software version are showed on the display next the digital indicator goes to the display mode 6 1 DISPLAYING MODE Directly after enter to displaying mode device displays info as long as first actualization of displayed value via RS 485 interface comes Depend on value of modE parameter of rS menu device can works as MASTER or SLAVE In SLAVE mode displayed value and it s parameters are determined by values written to internal registers by other MASTER In MASTER mode device reads values to displaying and it s decimal point position from selected SLAVE device If content of displayed value register exceeds permissible displaying range following message is showed 10 User manual for digital indicator with serial input SWS 457 ovH if content displayed value register exceeds upper border of of permissible displaying range ovL if content displayed value register is smaller than lower border of permissible displaying range Permissible displaying range depends on number of available decad
15. e installation Ensure that the power supply network voltage corresponds to the nominal voltage stated on the unit s identification label The load must correspond to the requirements listed in the technical data All installation works must be conducted with a disconnected power supply Protecting the power supply clamps against unauthorized persons must be taken into consideration User manual for digital indicator with serial input SWS 457 4 1 UNPACKING After removing the unit from the protective packaging check for transportation damage Any transportation damage must be immediately reported to the carrier Also write down the unit serial number on the housing and report the damage to the manufacturer Attached with the unit please find user s manual warranty 4 2 ASSEMBLY A Disconnect the power supply prior to starting assembly Check the correctness of the performed connections prior to switching the unit on To install device on the wall a pinholes should be made Figure 4 1 presents dimensions of the device and distances between holes The back side of the device has four mounting holes This part of the case should be mounted to a wall by screws P 213 mm a pe 118 2 mm A E E zt amp E Eg E E EMI m nm Lo y Y
16. e of registers 01h i 02h as a digits with control of range If allowable range from 999 to 9999 is exceeded then proper warning is displayed ovH or ovL 80h display Hi rather than value of registers 01h i 02h 40h display Lo rather than value of registers 01h i 02h Lower byte bit 7 reserved bits 6 4 minimal number of displayed digits 0 one digit 1 two digits etc see Tab 8 1 If content of registers 01h and 02h is shorter than minimal number of digits then additional 0 s are displayed bit 3 display decimal point on most right position regardless of bits 2 0 value bits 2 0 decimal point position 0 no decimal point 1 0 0 2 0 00 etc 03h Yes see descr Lower byte shift of displayed value to the left of the display bits oan TES SER descr 3 0 defines shift size 0 no shift 1 one position etc 19 User manual for digital indicator with serial input SWS 457 Register Write Range Register description Higher byte activation of LED s blinking about 1 Hz 05h Yes ses dascr bit 7 first LED from the left bit 6 second LED from the left etc Lower byte activation of LED s light bit 7 first LED from the left bit 6 second LED from the left etc Lower byte Sign defined for decade no 1 most right see Tab 8 2 in ASCII mode its val
17. ed with 4 buttons for main presets programming To get high protection level the keyboard is mounted under transparent waterproof cover This feature allows to use SWS 457 in hazardous environments To allow user to change presets without opening of cover an IR sensor is mounted Remote controller keyboard is equivalent to the device keyboard Note that remote controller is not a part of the SWS 457 set It is an option Modbus RTU protocol is used to communication with device Baud rate is user defined in 1200 115200 baud range It is possible to order device with other communication protocol using RS 485 interface special order required Two waterproof high IP protection ratings wall mounted types of housing are available T type and F type predispose the device to work in hard environment conditions 3 TECHNICAL DATA Power supply voltage 85 230 260V AC DC 50 60 Hz depending on version 19 24 50V DC 16 24 35V AC External fuse required T type max 2A Power consumption max 11 VA 85 260V AC DC max 11 VA 16V 35V AC max 8W 19V 50V DC Power supply output 24V x 5 max 100 mA stabilized Display range numerical and alphanumerical messages possible to show on 7 segment display Communication interface RS 485 8N1 and 8N2 Modbus RTU not separated Baud rate 1200 bit s 115200 bit s Display LED 4 digit 57mm height 9 steps colour range and 8 steps brightness range User manual for di
18. es and equals 999 9999 for devices equipped with 4 decades 99999 999999 for devices equipped with 6 decades All accessible parameters can be changed by entering the menu see DEVICE PROGRAMMING Use the local keyboard or the remote controller to do it Note all parameters can be remote changed via RS 485 interface aD Configuration of the device via menu or RS 485 interface do not stops device 6 1 1 SLAVE mode operation In SLAVE mode device displays info as long as first write to displayed value registers by MASTER device comes over RS 485 interface If new value will not be written in this register in time defined by mbtO parameter since last writing currently displayed value starts blinking It stops blinking after next proper write SLAVE mode allows display user defined signs on selected positions see DRIVING OF DECADES page 22 Parameters connected with SLAVE mode are accessible in menu SLAv which is displayed only if SLAVE mode is selected see modE parameter in rS menu 6 1 2 MASTER mode operation In MASTER mode device displays info as long as first read of selected registers of SLAVE device occurs If SLAVE device do not responds during time defined by mbtO parameter since MASTER sent last frame currently displayed value starts to blinking Blinking Stops after next proper read of selected register of SLAVE device Registers of SLAVE device are read every time de
19. fined by parameter PEr Parameters connected with MASTER are accessible in menu mASt which is displayed only if MASTER mode is selected see modE parameter in rS menu 7 DEVICE PROGRAMMING The device menu allow user to set all parameters connected to operation of the display control modes communication via RS 485 and access settings The meaning of the particular parameters is described in paragraph MENU DESCRIPTION 7 1 PROGRAMMING MENU To enter main menu being in the displaying mode operator must to press and hold at least 2 sec ESC MENU button 11 User manual for digital indicator with serial input SWS 457 If the user password is defined see parameter Scod operator have to enter correct one before proceeding to menu options Entering of the passwords is similar to the edition of numeric parameters see PARAMETERS EDITION however presently editing digit is showed only on the display other digits are replaced by sign After entering of last digit of the password first menu position will be displayed if the password is correct or warning Err in other case Functions of the buttons while sub menu and parameters choice Selection of sub menu or parameter for editing Name of selected item sub menu or parameter is displayed Operation of ENTER button depend on present menu position ifthe name of some sub menu is displayed enter this sub menu name of the first parameter o
20. ghten the clamping screws The recommended tightening torque is 0 5 Nm Loose screws can cause fire or defective operation Over tightening can lead to damaging the connections inside the units and breaking the thread In the case of the unit being fitted with separable clamps they should be inserted into appropriate connectors in the unit even if they are not used for any connections User manual for digital indicator with serial input SWS 457 A Unused clamps marked as n c must not be used for connecting any connecting cables e g as bridges because this can cause damage to the equipment or electric shock If the unit is equipped with housing covers and sealing packing protecting against water intrusion pay special attention to their correct tightening or clamping In the case of any doubt consider using additional preventive measures covers roofing seals etc Carelessly executed assembly can increase the risk of electric shock After the installation is completed do not touch the unit s connections when it is switched on because it carries the risk of electrical shock Due to possible significant interference in industrial installations appropriate measures assuring correct operation of the unit must be applied To avoid the unit of improper indications keep recommendations listed below Avoid common parallel leading of signal cables and transmission cables together with power supply cables and cables c
21. gital indicator with serial input SWS 457 Data memory Protection level Housing type Housing material Housing dimensions Operating temperature Storage temperature Humidity Altitude Screws tightening max torque Max connection leads diameter Safety requirements non volatile memory EEPROM type F type casing IP 65 T type casing IP 67 Wall mounted T type or F type ABS fibreglass F type casing 213 x 185 x 118 2 mm T type casing 230 x 140 x 96 5 mm 0 C to 50 C 10 C to 70 C 5 to 90 no condensation up to 2000 meters above sea level 0 5 Nm 2 5 mm according to PN EN 61010 1 installation category II pollution degree 2 voltage in relation to ground 300V AC insulation resistance gt 20MQ insulation strength between power supply and input output terminal 1min 2300V EMC according to PN EN 61326 This is a class A unit In housing or a similar area it can cause radio frequency interference In such cases the user can be requested to use appropriate preventive measures 4 DEVICE INSTALLATION The unit has been designed and manufactured in a way assuring a high level of user safety and resistance to interference occurring in a typical industrial environment In order to take full advantage of these characteristics installation of the unit must be conducted correctly and according to the local regulations AN Read the basic safety requirements on page 3 prior to starting th
22. iption A All connections must be made while power supply is disconnected L N N Depending on version 85 230 260V AC DC or L 19 24 50V DC 16 24 35V AC Figure 4 5 Connection of power supply FUSE 4 4 MAINTENANCE The unit does not have any internal replaceable or adjustable components available to the user Pay attention to the ambient temperature in the room where the unit is operating Excessively high temperatures cause faster ageing of the internal components and shorten the fault free time of unit operation In cases where the unit gets dirty do not clean with solvents For cleaning use warm water with small amount of detergent or in the case of more significant contamination ethyl or isopropyl alcohol A Using any other agents can cause permanent damage to the housing S Product marked with this symbol should not be placed in municipal waste Please X check local regulations for disposal and electronic products User manual for digital indicator with serial input SWS 457 FRONT PANEL DESCRIPTION R16 R26 R36 R46 LEDs an a NEUES Li Li NI Li display infrared receiver programming pushbuttons Symbols and functions of push buttons Symbol used in the manual ESC MENU MENU Functions Enter to main menu press and hold by at least 2 sec Exit the current level and Enter to previous menu or displaying mode e Cancel the changes made in parameter being e
23. it is set then particular decade blinks about time per second Co decade colour range from 0 to 8 Ifi Co gt 8 then decade colour is determined with Col parameter available in device menu Gi Aon and Co bits are important only for devices equipped with multicoloured display 15 14 13 12 11 4 3 0 Aon X BL X Co Tab 8 3 Interpretation of registers 18h 1Dh content 8 3 4 Examples of exploration of registers 02h and 03h To display 16 bit signet numbers with 2 digits after decimal point Parameter tyPE of menu SLAv should be set to S 16 16 bit signed values To set decimal point position the value of register O3h must to be written with value 2 see Tab 8 1 Decimal point position can be done once and it is valid for all further values of reg 01h and 02h 23 User manual for digital indicator with serial input SWS 457 To set displayed value its value must to be written to register 01h and 02h e g by writing of 0010h 16 decimal to register 02h reg 01H 0000h causes by displaying bywriting values higher than permissible displaying range causes by displaying bywriting values lower than permissible displaying range causes by displaying Displaying of negative numbers is possible only if proper displaying value data type is selected S 32 or S 16 Negative values should be written in U2 code 8 3 5 Examples of e
24. ons concerning safety and be equipped with adequate anti overvoltage and anti interference filters Do not attempt to disassemble repair or modify the unit yourself The unit has no user serviceable parts Units in which a defect was stated must be disconnected and submitted for repairs at an authorized service centre AN Do not use the unit in areas threatened with excessive shocks vibrations dust humidity corrosive gasses and oils Do not use the unit in explosion hazard areas User manual for digital indicator with serial input SWS 457 A Do not use the unit in areas with significant temperature variations exposed to condensation or icing Do not use the unit in areas exposed to direct sunlight Make sure that the ambient temperature e g inside the control box does not exceed the recommended values In such cases forced cooling of the unit must be considered e g by using a ventilator The unit is designed for operation in an industrial environment and must not be used in a household environment or similar 2 GENERAL CHARACTERISTICS The SWS 457 is a simple digital panel indicator intended for displaying any numerical values and characters defined by user in SLAVE mode only sent from the master device over the RS 485 serial interface link User can change display colour in 9 steps range through light green yellow and through green and display brightness in 8 steps range The device is equipp
25. ontrolling induction loads e g contactors Such cables should cross at a right angle Contactor coils and induction loads should be equipped with anti interference protection Systems e g RC type Use of screened signal cables is recommended Signal cable screens should be connected to the earthing only at one of the ends of the screened cable n the case of magnetically induced interference the use of twisted couples of signal cables so called spirals is recommended The spiral best if shielded must be used with RS 485 serial transmission connections nthe case of interference from the power supply side the use of appropriate anti interference filters is recommended Bear in mind that the connection between the filter and the unit should be as short as possible and the metal housing of the filter must be connected to the earthing with largest possible surface The cables connected to the filter output must not run in parallel with cables with interference e g circuits controlling relays or contactors Connection of the power supply and controlling signals should be made by screw connectors mounted inside the housing Figure 4 3 Method of cable insulation replacing and cable terminals User manual for digital indicator with serial input SWS 457 RS 485 Power 4o No 24 596 supply DATA GND max 100mA depending on version DATA Uo A LI Figure 4 4 Terminals descr
26. r next level sub menu is displayed ifthe name of some parameter is displayed enter the edition of this parameter present value of the parameter is displayed ENTER ESC MENU button allow user to exit present menu level and goes to upper MENU level menu or displaying mode After about 1 min since last use of the buttons device exits the menu mode and Gi returns to the displaying mode only if no parameters are in editing mode 7 2 PARAMETERS EDITION To start edition of any parameter user should select name of desired one using v buttons and then press ENTER 7 2 1 Numeric parameters digit change mode Numerical parameters are displayed as decimal numbers The mode of its new value entering depends on chosen edit method see parameter Edit In mode by digit Edit dig pressing one of the keys or v causes change of current position flashing digit or the sign Short pressing of the ENTER button causes change of the position digit Press ENTER at least 2 seconds to accept the changes after that question SEt is displayed and user must to confirm or cancel the changes To conform changes and story it in EEPROM press ENTER button shortly after SEt is displayed To cancel the changes press ESC button shortly after SEt is displayed After that device returns to the menu 7 2 2 Numeric parameters slide change mode In slide change mode Edit Slid but
27. storing User manual for digital indicator with serial input SWS 457 8 THE MODBUS PROTOCOL HANDLING Transmission parameters 1 start bit 8 data bits 1 or 2 stop bit 2 bits are send 1 and 2 bits are accepted when receive no parity control Baud rate selectable from 1200 to 115200 bits second Transmission protocol MODBUS RTU compatible The device parameters and display value are available via RS 485 interface as HOLDING type registers numeric values are given in U2 code of Modbus RTU protocol The registers or groups of the registers can be read by 03h function and wrote by 06h single registers or 10h group of the registers accordingly to Modbus RTU specification Maximum group size for 03h and 10h functions can not exceeds 16 registers for single frame a The device interprets the broadcast messages but then do not sends the answers 8 1 LIST OF REGISTERS Register Write Range Register description 01h Yes Displayed value higher word Warning To change displayed value it is required to write data in following manner first higher word and next lower word of data Sei daspe Writing of higher word only do not causes changes in displayed 02h Yes data Displayed value lower word Total value of registers 01h and 02h from 999 to 9999 data type depends on parameter tyPE of SLAv submenu Higher byte displaying mode of registers 01h i 02h content 00h display valu
28. te to this register so it is possible to block a writes but impossible to unblock writes via RS 485 interface The unblocking of the writes is possible from menu level only 4 if often changing of display colour or brightness is required writing to registers 31h and 32h is recommended Contents of those registers are not stored while power off and after power on parameters set via MENU are used for display colour and brightness registers 2Dh and 2Eh 8 2 TRANSMISSION ERRORS DESCRIPTION If an error occurs while write or read of single register then the device sends an error code according to Modbus RTU specifications Error codes 01h illegal function only functions 03h 06h and 10h are available 02h illegal register address 03h illegal data value 08h no write permission see mbAc parameter 21 User manual for digital indicator with serial input SWS 457 8 3 DRIVING OF DECADES d Driving of decades described below is possible in SLAVE mode only Number of available decades depends on device type decade decade decade decade decade decade no 6 no 5 no 4 no 3 no 2 no 1 D umm E qu qe qu LI Figure 8 1 Decades positions for 6 decade version 8 3 1 Decimal point position and minimal number of digits 22 Bits 6 0 of register 03h example value Displayed message if displayed value equals 1 Displayed message if displayed value equals 123
29. ter rESP should be set to Std no additional delay Unfortunately for some third party RS converters rESP should be adjusted experimentally Table 7 1 contains most frequently used values bAud parameter 38 4 57 6 415 2 rESP parameter 10c 20c 50c Tab 7 1 Settings of rESP parameter 7 3 6 Scod parameter This parameter defines user password 4 digits number If this parameter is set at value 0000 16 user password is turned off If the user do not remember his password the access to the menu is possible by the one use password To get this password please contact with Marketing Division Single use password can be used only one time after that it is destroyed Entering this password causes in clearing of user password it means sets the user password to 0000 The one use password can be used ONE TIME ONLY it is impossible to use it again The one use password can be restored by Service Division only User manual for digital indicator with serial input SWS 457 7 3 7 Edit parameter This parameter allows to change the edition mode of numerical parameters dig the change to by digit mode Slid slide change mode 7 3 8 dEFS parameter This setting allows to restore the factory settings of the device To get the access to this option special password is required 5465 next the device displa
30. tons and v has different functions To increase edited value press or press and hold button only the increasing became quickest as long as button is pressed To slow down the increasing button v can be used If v is pressed shortly and button is still pressed increasing slow down for a moment only if v is pressed and held while button is still pressed the increasing slow down and will be kept on lower speed 12 User manual for digital indicator with serial input SWS 457 To decrease edited value press or press and hold v button only The decreasing became quickest as long as button v is pressed To slow down the decreasing button can be used If is pressed shortly and button v is still pressed decreasing slow down for a moment only if is pressed and held while button v is still pressed the decreasing slow down and will be kept on lower speed Press ENTER at least 2 seconds to accept the changes after that question SEt is displayed and user must to confirm or cancel the changes To conform changes and story it in EEPROM press ENTER button shortly after SEt is displayed To cancel the changes press ESC button shortly after SEt is displayed After that device returns to the menu 7 2 3 Switch parameters LIST type Switch parameters can be described as a sets of values a lists out of which only one of the options available on the list can be selected for the
31. ts for data from MASTER device All parameters referred with this operation mode are available in SLAv submenu 13 User manual for digital indicator with serial input SWS 457 bAud mbtO d rESP this parameter determines RS 485 interface baud rate It can be set to one of 8 possible values 1 2 2 4 4 8 9 6 19 2 38 4 57 6 115 2 which respond to the baud rates of 1200 2400 4800 9600 19200 38400 57600 and 115200 bit s respectively this parameter defines maximal time sec between following frames received by the device If the delay will be greater than the value of mbtO parameter displayed value starts blinking Parameter mbtO can be set to values from 0 to 99 seconds The value 0 means that the time will be not controlled In MASTER mode time period defined by parameter mbtO is prolonged of value defined by parameter PEr this parameter defines minimal additional delay between the Modbus message and the answer of the device received and sent via RS 485 interface This additional delay allows the device to work with poor RS converters which do not works properly on baud rates higher than 19200 This parameter can be set to one of values Std answer as quick as possible no additional delay 5 10c j pu answer delayed of 10 20 50 100 of 200 chars respectively where 400c one character time depends on selected baud rate 200c In the most cases parame
32. ue select sign of ASCII table in bit mode bit 0 segment A bit 6 segment G bit 7 DP 10h Yes see descr Higher byte bit 7 enable displaying of defined sign in place of digit of decade 1 bit6 ASCII coding enable other bits reserved 11h Yes see descr Like above but refers to decade 2 12h Yes see descr Like above but refers to decade 3 13h Yes see descr Like above but refers to decade 4 Attributes of decade 1 most right see Tab 8 3 bit 15 if this bit is set then global col parameter will be used instead of bits 3 0 to determine decade colour 18h Yes seedescr bit 12 blinking enable about 1Hz bit 3 0 decade colour other bits reserved 19h Yes see descr Like above but refers to decade 2 1Ah Yes see descr Like above but refers to decade 3 1Bh Yes see descr Like above but refers to decade 4 20h Yes O1h FFh Device address in SLAVE mode 21h No 21EAh Device identification code bAud parameter in rS menu baud rate 22h Yes 0 7 0 1200 baud 1 2400 baud 2 4800 baud 3 9600 baud 4 19200 baud 5 38400 baud 6 57600 baud 7 115200 baud 23h Y s 0 1 mbAc parameter in SLAv menu permission to write registers via RS 485 interface 0 write denied 1 write allowed rESP parameter in rS menu additional response delay 25h Yes 0 5 0 no additional delay 1 10c option 2 20c option 3 50c option 4 100c option 5 200
33. xploration of registers 10h 15h To display message like showed hereafter with assumption that number value 6 5 may be changed e g depend on measurement value User should set 1 register 02h to value 0021h 65 decimal 2 register O3h decimal point position to value 0001h see Tab 8 1 3 register 10h sign in place of decade 1 to value CO43h ASCII code of C sign in lower byte and bits Con i Asc in higher byte see Tab 8 2 4 register 11h sign in place of decade 2 to value 8063h byte code of sign in lower byte and bit Con in higher byte no ASCII coding see Tab 8 2 5 register 04h left shift of displayed value to value 02h shift of 2 positions to the left Writes presented above can be done at once and it is valid for all further values of reg 01h and 02h 24 User manual for digital indicator with serial input SWS 457 To change displayed number 6 5 itis change of register 02h only is necessary if data type is set e to 16 bits e g By writing of value 12 to reg 02h causes by displaying message MN E ES 2 User must to remember that signs defined by registers 10h 13h will be displayed in place of particular digits of displayed values e g If in example above user writes value C041h sign A in ASCII code to register 12h then device shows message 8 4 EXAMPLES OF QUERY ANSWER FRAMES Examples apply for device with
34. ys acknowledge question SEt Press ENTER to acknowledge the restoring of factory settings or ESC to cancel 7 3 9 SErv menu This menu contains the parameters for authorized service only To enter this menu proper service password must be entered Improper settings can causes of damage of the device 17 User manual for digital indicator with serial input SWS 457 7 4 MENU STRUCTURE r Displaying mode ESC Y U E bri SS edition Y NI col I Parameter G3 Press and hold at least 2 seconds 4 digit user password entering if it is different from 0000 Parameter 25 edition SR esc 18 SErv gg M MON only one submenu is active SLAv or nASt depending on modE parameter E H Suv gt Addr D oF i ESC i 5 2 tyl NS mASt m Addr Go 2 4 ee i edition 1 t ZE mbAC rEG II H t vALr tyPE I t E T EG I PrEG l PEr I 5 gt modE _ S Parameter edition Sea r bAud II E Parameter i 8 edition lt mbto 4 t rESP II Y E Parameter ZEE ma edition 4 digit special password entering Y m dEFS gt 0 SEt D Defaut settings F eg re
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