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1. 19 6 3 2 Two thresholds 21 7 DEVICE PROGRAMMING 22 7 1 PROGRAMMING MENU 22 7 2 PARAMETERS EDITION 23 7 2 1 Numeric parameters digit change mode 23 7 2 2 Numeric parameters slide change mode 23 7 2 3 Switch parameters LIST type 23 7 3 MENU DESCRIPTION 24 7 3 1 rELAy1 menu 24 7 3 2 bEEPEr menu 2507 7 22 PET 27 COMPU 29 7 3 5 button 30 7 3 6 Pr inP parameter m Tote vo Ea m M 31 31 21 32 33 22 33 34 36 36 37 37 41 41 44 7 3 8 briGHt parameler aaa ian d wa La ehe od Ea ded dne e La eaae eed a Eon do ad 31 7 3 9 SECUr menu 7 3 10 rS 485 menu 7 3 11 Edit t parameter 422 74322 dEFS paramieloer eda oe drei d dE kita dd 7 3 13 SErv 7 4 MENU 8 CURRENT OUTPUT VALUE CALCULATION 9 SIGNALISATION OF ERRORS 10 THE MODBUS PROTOCOL HANDLING 10 1 LIST OF 5 10 2 TRANSMISSION ERRORS DESCRIPTION 10 3 EXAMPLES OF QUERY ANSWER FRAMES
2. Parameter Description Default value User s value peris Parameters of relay R1 operation rELAy1 menu SourCE of value controlled relay state GroSS 24 SEt P Relay first threshold 20 0 24 SEt P2 Relay second threshold 30 0 25 HYSt Hysteresis of relay 0 0 25 modE Operation mode of relay in 25 ton Turn on delay of relay 0 0 sec 26 toFF Turn off delay of relay 0 0 sec 26 unit Unit of t on toFF parameters of relay SEC 26 ALArmS for critical situation of relay oFF 26 Parameters of relay R2 operation rELAy2 menu SourCE of value controlled relay state GroSS 24 SEtP Relay first threshold 150 0 24 SEt P2 Relay second threshold 300 0 25 HYSt Hysteresis of relay 0 0 25 modE Operation mode of relay sin 25 ton Turn on delay of relay 0 0 sec 26 toFF Turn off delay of relay 0 0 sec 26 unit Unit of 4 on toFF parameters of relay SEC 26 ALArmS Reaction for critical situation of relay oFF 26 Activation of acoustic signal bEEPEr menu AL Activation of acoustic signal by critical situation oFF 27 r1 Activation of acoustic signal by relay R1 oFF 27 r2 Activation of acoustic signal by relay R2 oFF 27 Calibration of measurement input CALibr menu rESOL Displaying resolution 0 1 27 rAnGE Measurement range 4 mV V 27 C tYPE Calibration type dAtA 27 r LoAd Rated Load parameter 100 0 27 r out Rated Output parameter 2 0000 27 LoAd Load value of de
3. rELAy1 menu expressed in tenth of seconds or tenth of minutes depend on unit parameter 37h Yes 0 1 unit parameter in rELAy1 menu 0 seconds 1 minutes 38h Yes 022 ALArmS parameter in rELAy1 menu 0 no changes 1 on 2 off 39h Yes 99999 inti 3Ah Yes 999999 SEt P2 parameter in rELAy1 menu no decimal point included SourCE parameter rELAy1 menu kind of value controlled SER Nes 954 relay 0 GroSS 1 Parameters of relay R2 operation 40h Yes 99999 A EF 41h Yes 999999 SEt P parameter in rELAy2 menu no decimal point included gt 0 99999 parameter in ELAy2 menu no decimal point included 43h Yes modE parameter in rELAy2 menu 44h Tak 0 5 0 hoACt mode 1 mode 2 oFF mode 3 in mode 4 out mode 5 modbuS mode 45h Yes 0 999 t on parameter in rELAy2 menu expressed in tenth of seconds or tenth of minutes depend on unit parameter 46h Yes 0 999 t OFF parameter in TELAY2 menu expressed in tenth of seconds or tenth of minutes depend on unit parameter 47h Yes 021 unit parameter in rELAy2 menu 0 seconds 1 minutes 48h Yes 022 ALArmS parameter in rELAy2 menu 0 no changes 1 on 2 off 49h Yes 99999 inti 4Ah Yes 999999 SEt P2 parameter in rELAy2 menu no decimal point inclu
4. Visible only if Parameter I s 4 edition Cz C tYPE dAtA C tYPE rEAL 0___ 4 digit user password entering if it is different from 0000 rELAy1 m gt SourCE 8 l SEtP L Options similar to rELAy1 menu H SEtP2 Y m bEEPEr gt AL gt Parameter HYSt edition r i i r1 I modE t lt r2 ton fs Y t CALibr Z Parameter toFF edition unit ALArmS Visible only if C tYPE dAtA I Parameter m 5 edition MEN li i i i Y NI OUtPUt OUtmod 4 I S 1 4 SourCE 5 ED button gt bzEro JO out Lo _ btArE OUt HI 1 0 bnEtt I Lor q i See next page pep Hr AL 34 User manual WEIGHT METER SWI 94 See previous page 4 Parameter
5. 11 DEFAULT AND USER S SETTINGS 115 1 1 sensns nn atn n anat n hana irdena ranean User manual WEIGHT METER SWI 94 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 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 AY The manufacturer is not responsible for any damages caused by inappropriate installation not maintaining the proper environmental conditions and using the unit contrary to its assignment 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 GND input of device should be connected to PE wire 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 unit malfunction there is a risk of a serious
6. CALibr menu Nominal measurement range is 2 mV V or 4 mV V depend on value of parameter in CALibr menu If the result of measurement exceeds the nominal measurement range a warning Hi Lo is displayed in place of measurement value depends on exceeded value All other warnings are displayed in numerical or text form see chapter SIGNALISATION OF ERRORS If the measurement value do not exceeds nominal measurement range but a displayed value exceeds range 99999 999999 the warning OvEr is displayed rather than the calculated result In the measurement mode user can check main thresholds values After pressing ENTER button name of the threshold rELPr1 and his value will be displayed on the display in alternating mode If or v will be pressed in 5 sec again the next threshold will be displayed else the device comes back to the measurement mode If a free access is enabled see description of SECur menu user can change the value of particular threshold pressing button ENTER once again see PARAMETERS EDITION 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 a Configuration of the device via menu or RS 485 interface do not stops measures 6 2 DETECTION OF THE PEAK VALUES The SWI 94 weight meter is equipped
7. 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 nthe 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 measurement or control signals are longer than 30m or go outside of the building then additional safety circuits are required 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 Connections of power supply voltage and measurement signals are executed using the Screw connections on the back of the unit s housing Figure 4 5 Method of cable insulation replacing and cable terminals A All connections must be made while power supply is disconnected User manual WEIGHT METER SWI 94 Notes related to connection of strain
8. 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 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 User manual WEIGHT METER SWI 94 AY 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 controlling induction loads e g contactors Such cables should cross at a right angle
9. load cell transducer Rys 4 14 Example of several 4 wire load cells connection using junction box 14 SHIELD i eee SHIELD SENSE SIGN SIGN SHIELD EXC SENSE EXC SENSE SIGN SIGN SHIELD Trans 1 Trans 4 6 JUNCTION BOX FOR LOAD CELLS EXC SENSE EXC SENSE SIGN SIGN SHIELD EXC SENSE EXC SENSE SIGN SIGN GND SWI 94 User manual WEIGHT METER SWI 94 A load cell eee transducer Lc SENSE SENSE4 ER EXC EXC EXC SENSE i SENSE SENSE 5 2 SIGN i sow 5 d SIGN sien 8 SIGN F SIGN SIGN SIGN SHIELD 1 TPCHPEPPP PPIK M SHIELD SHIELD GND l LL x a EXC load cell z transducer SENSE SENSE 2 EXC x 9 2 L SENSE SENSE gt SIGN SIGN S SIGN SIGN SHIELD i eensansuusuana SHIELD Rys 4 15 Example of several 6 wire load cells connection using junction box 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 th
10. 1 The analog output can be controlled depending on the current value of chosen source or the peak value see HOLd menu OUt LO this parameter determines the input value for which the output current is minimal 4 mA or 0 mA depend of current output mode Outmod OUt HI this parameter determines the input value for which the output current is equal 20mA The output current value is calculated due to formulas given below 0 X l6mA 4 mA for output range 4 20 Jom a SS 20mA for output range 0 20mA where W denotes the displayed value Out LO parameter can be greater than Out In this case the conversion characteristic is reversed it means that if input value raises the output current falls Lo r Hi r this parameters define the output current range maximum range 0 to 24 mA If calculated output value lout exceeds defined range then current output generates the current equal to upper or lower border of the defined range The parameters define the percentage extension of nominal current range 4 20 mA with 0 196 resolution 29 User manual WEIGHT METER SWI 94 AL Parameter Lo r defines lower border of the range due to formula 4 MA 4 mA x Lo r 96 This parameter can be set from 0 to 99 9 Parameter Hi defines lower border of the range due to formula Imax 20 mA 20 mA x Hi r This parameter can be set from 0 to 19 9
11. When theoretical calibration is selected then parameters r LoAd and r out are visible in place of LoAd r LoAd Rated Load calibration parameter This parameter is expressed in kg and can be changed in range from 000000 to 999999 making allowance for rESOL parameter In case of connection of two three or four transducers parameter r LoAd should be set to arithmetic sum of nominal weights of all the sensors r out Rated Output calibration parameter output value of load cell transducer at nominal load This parameter is expressed in mV V and can be set in range from 0 0000 to 1 9999 when rAnGE 2mV V or from 0 0000 to 3 9999 when rAnGE 4mV V 27 User manual WEIGHT METER SWI 94 LoAd Z oFFS FiLtEr StESC e S ZEro In case of connection of two three or four transducers parameter r out should be set as arithmetic mean of all sensors signals function allowing dead weight calibration After selection of this function it is necessary to enter some value expressed in kg and confirm entered value by pressing ENTER or press ESC when value needn t to be changed To cancel calibration press ESC after questions rEADY appear Pressing ENTER after r EADY appear causes storing current value of input signal If input signal value exceeds permissible range then calibration fails and message Err is displayed Weight is expressed in kg and can be c
12. diSAbL disable programmable input ZEro use programmable input to execute zeroing function tArE use programmable input to execute tare function User manual WEIGHT METER SWI 94 7 3 7 HOLd menu This menu contains parameters connected with peak detection function See also full description of the peak detection function in paragraph DETECTION OF THE PEAK VALUES modE the type of detected changes of the input signal can be set to values norm peaks peak and next drop of the input signal of value equal at least inv drops drop and next peak of the input signal of value equal at least PEA detected signal change classified as peak or drop see Figure 6 1 timE maximum time of displaying of the peak drop value can be set from 0 0 to 19 9 sec with 0 1 sec resolution If diSp HOLD then setting parameter timE 0 0 causes holding peak value until ESC button is pressed If diSp rEAL then value timE 0 0 means no holding H diSp type of displayed values rEAL current value is displayed HOLd peak drop value is displayed H rEL1 H rEL2 relay LED outputs R1 R2 operation mode rEAL relay LED operates depend on the current value HOLd relay LED operates depend on the peak drop value H OUtP current output operation mode rEAL current output operates depend on the current value HOLd cu
13. gt 20MQ insulation strength between power supply and input output terminal 1min 2300V insulation strength between relays terminal 1min 1350V according to PN EN 61326 1 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 User manual WEIGHT METER SWI 94 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 AY Read the basic safety requirements on page 3 prior to starting the 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 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
14. or error no describe errors see SIGNALISATION OF ERRORS 04h No 0 2 Decimal point position same as 11h register State of the relays LEDs and programmable input binary format 1 on O off 00000000 00fedcba a relay R1 b relay R2 c LED d LED gt lt e LED gt 0 lt f programmable input If written only a b bits are important others are ignored these bits allows user to control the relays via RS 485 interface 05h Yes 0 31 State of current output expressed in 1 256 mA units it means that 06h Yes Oh 1800h high byte express integer part and low byte fractional part of desired output current 1 a No 0 Peak drop value no decimal point 1 a y No po Gross measurement value no decimal point OBh Yes 99999 measurement value no decimal point Writing 0 value OCh 999999 causes the execution of the tare function Parameters of measurement input calibration 37 User manual WEIGHT METER SWI 94 Register Write Range Register description rESOL parameter in CALibr menu displaying resolution 10h Yes 0 11 0 0 01 1 0 02 2 0 05 3 0 1 4 0 2 5 0 5 6 1 7 2 8 5 9 10 10 20 11 50 11h No 0 2 Decimal point position set by rESOL parameter CALibr menu 0 0
15. 01 03 00 21 00 01 04 00 The answer ADDR FUNC DATA CRC L H 01 03 02 20 E6 20 OE DATA identification code 20E6h 3 Change of the device address from 1 to 2 write to reg 20h ADDR FUNC REGH L DATA CRC L H 01 06 00 20 00 02 09 C1 DATAH 0 DATA L new device address 2 The answer the same as the message ADDR FUNC REGH L DATA H L CRC L H 01 06 00 20 00 02 09 C1 42 User manual WEIGHT METER SWI 94 4 Change of baud rate of all devices connected to the net BROADCAST message ADDR FUNC REGH L COUNT H L CRC LH 00 06 00 22 00 04 29 D2 DATA 0 DATA L 4 new baud rate 19200 baud a Device do not reply to BROADCAST type messages 5 Try to write improper data to register register 04h ADDR FUNC REGH L DATA H L CRC LH 01 06 00 04 00 10 C9 C7 DATAH L written value 10h 16 out of allowable range 0 2 Device response with exception code 03h ADDR FUNC ERR CRC LH 01 86 03 09 C1 1 There is no full implementation of the Modbus Protocol in the device The functions presented above are available only 43 User manual WEIGHT METER SWI 94 11 DEFAULT AND USER S SETTINGS LIST
16. 1 0 0 2 0 00 2 rAnGE parameter in CALibr measurement range 12h Yes 051 jo 4 4 mV 13h Yes 0 1 tYPE parameter CALibr menu calibration type 0 theoretical calibration 1 real load calibration 14h Yes 0 999999 LoAd parameter CALibr menu expressed in kg 0 1kg or 15h 0 01 kg depending on rESOL parameter in CALibr menu _ out parameter in CALibr menu for 2 mV V range expressed in 16h Yes 0 19999 0 0001 mV V R r out parameter in CALibr menu for 4 mV V range expressed in 17h Yes 0 39999 0 0001 mV V FiLtEr parameter in CALibr menu 18h Yes 0 5 0 the shortest measurement period 5 the longest measurement period S ZEro function in CALibr menu After writing 0 value current 19h Yes 0 measurement value is stored as zero 1Ah Yes 0 99999 Z oFFS parameter in CALibr menu expressed in kg 0 1 0 or 1Bh 0 01 kg depending on rESOL parameter in CALibr menu 20h Yes 0 199 Device address 21h No 20E6h Device identification code ID bAud parameter in rS 485 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 23h5 Yes 0 1 mbAccE parameter in rS 485 menu permission to write registers RS 485 interface 0 write denied 1 write allowed rESP parameter in rS 485 menu addition
17. WEIGHT METER SWI 94 10 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 03 function and wrote by 06 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 GD The device interprets the broadcast messages but then do not sends the answers 10 1 LIST OF REGISTERS Some parameters are located on two registers higher word in first register and lower word in next one After writing of one of them device controls result of their 32 bit value and if it is necessary corrects value of second register automatically If appropriate modification is impossible both registers stay unaffected and device responds with error code 03h see TRANSMISSION ERRORS DESCRIPTION Register Write Range Register description 01h 99999 02h No 999999 Measurement value no decimal point 03h No 0h The status of the current measurement Oh data valid other values
18. all parameters connected to operation of measurement input control modes critical situations behaviour communication via RS 485 and access settings The meaning of the particular parameters is described in paragraph MENU DESCRIPTION Some of the parameters can be accessed without menu entering quick view mode After pressing ENTER button name of the threshold rELPr1 and his value will be displayed on the display in alternating mode If or v will be pressed in 5 sec the next threshold will be displayed else the device comes back to the measurement mode If a free access is enabled see description of SECUr menu user can change the value of particular threshold pressing button ENTER see PARAMETERS EDITION new value is displayed in alternating mode with parameter name by few seconds Confirmed changes may be checked or user can switch viewed parameter pressing or v button If particular parameter has been changed and confirmed quick view mode its 7 1 PROGRAMMING MENU To enter main menu being in the measurement mode operator must to press and hold at least 2 sec ESC MENU button If the user password is defined see parameter SEtCod menu SECUr 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 digi
19. bAud this parameter determines RS 485 interface baud rate It can be set to one of 8 possible values 1200 2400 4800 9600 19200 38400 57600 7115200 mbAccE 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 The access to registers no 04h i 05h cant be denied by mbAccE parameter see aD LIST OF REGISTERS mbtimE this parameter defines maximal time sec between following frames received by the device If the delay will be greater than the value of mbtimE parameter the relays and the current output which are controlled via RS 485 interface will set to alert state see OUtPUt menu rELAy1 menu description Parameter mbtimE can be set to values from 0 to 99 seconds The value 0 means that the time will be not controlled rESP 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 1 0 5 20 5 5 50c 5 100c 200c answer delayed of 10 20 50 100 of 200 chars respectively wher
20. edition Y PrinP 1 25 x Es 5 n modE 4 8 PEA briGHt a ao Eg timE Parameter lt HdisP II SECUr gt SEtCod edition ry i 1 zm I Accr2 HrEL2 H OUtP _ m I 15 485 Add L x 1 r Soa bAud II E t S ran Parameter T mbtimE I t le rESP 4 digit special password entering Y a dEFS z gt SEt settings restoring AN Y SErv 35 User manual WEIGHT METER SWI 94 8 CURRENT OUTPUT VALUE CALCULATION Lets assume that we have active current output and its parameters are modE OUt LO 100 OUt HI 200 Lor 5 0 Hir 5 0 Parameters Lo r and Hi r define working range of current output to 3 8 21 mA Output current will be calculated for three displayed values D a D 17 5 According to formula from page 29 lout 17 5 10 0 20 0 10 0 x 16 mA 4 0 75 16 4 16 mA Calculated lo do not exceeds the output working range 3 21 mA b D 20 5 According to formula from page 29 lout 20 5 10 0 20 0 10 0 x 16 mA 4 mA 1 05 16 4 20 08 mA Calculated lo do not exceeds the output working range 3 21 mA c D 30 0 Accord
21. of two values min minutes SEC seconds ALArmS this parameter defines the relay reaction when some critical situations occurs noCHAn relay do not change his state on relay will be turned on OFF relay will be turned off If parameter modE is set to oFF or Out the critical situation means that nominal input range is exceeded If parameter modE is set to modbuS the critical situation means communication delay when no data is received longer than mbtimE parameter see description rS 485 menu If option noCHAn is selected for ALArmS parameter behaviour of the relay aD may depend on FiLtEr parameter in some cases If FiLtEr is set to big value and the input signal drops result value of the measure will change slow causes of turning on or off relay due to thresholds values The critical situation is slowly detected so it is impossible to predict the relay state in that situations e f parameter AL on the relay will be turned on in the critical situations even if his parameter modE noAC 26 User manual WEIGHT METER SWI 94 7 3 2 bEEPEr menu This menu contains options connected with acoustic signal AL if this parameter is set to any critical situation causes by acoustic signal r1 if this parameter is set to activation of relay R1 causes b
22. relay output Modes of the control can be changed depend on the values of parameters SourCE SEt P SEt P2 HYSt modE ton t oFF unit and ALArmS Depend on modE parameter relays can be not used or controlled over one or two thresholds values If one threshold is used Figure 6 2 the relay can be turned on modE on or off modE oFF when the input signal value is contained in zone A If two thresholds are used Figure 6 3 the relay will be turned on when value of input signal is contained in zone A modE in or zone B modE out and turned off if the signal is contained in the second one state of relay LED SEt P parameter measure _ HYSt parameter Figure 6 2 One threshold control of the relay LED outputs 18 User manual WEIGHT METER SWI 94 state of relay LED SEt P or SEt P2 parameter a measure HYSt parameter Figure 6 3 Two threshold control of the relay LED outputs 6 3 1 One threshold mode Figure 6 4 presents the principle of relay outputs operation for one threshold mode and an example values of other parameters measured displayed value 4 t t t signal ty SEt P parameter gt lt gt expected signal value a T nasz iA b HYSt parameter sone B ER allowed signal Dod EE i i deviation H H an x b rel
23. with peaks detection function It can detect a peaks of the input signal and display their values Presets connected with this function are placed in HOLd menu see description of HOLd menu The detection of the peak can be done if the measured signal raises and drops of value at least equal to parameter PEA Detected peaks are displayed during the time defined by parameter timE If a new peak will be detected while one is displayed this new peak will be displayed and display time counter will be cleared Figure 6 1 If no peaks are detected while time timE elapses device starts to show the current value of input signal again If diSP HOLD then setting parameter timE 0 0 causes holding peak value until ESC button is pressed If H diSP rEAL then value timE 0 0 means no holding Displaying peak value is signalized by flashing most right decimal point 17 User manual WEIGHT METER SWI 94 The relays LEDs and the current output can be controlled depending on the current value of input signal or the peak value see HOLd menu a measure timE timE time real measurement result display value Figure 6 1 Process of peaks detection 6 3 CONTROL OF THE RELAY OUTPUTS The control of the object measured signal is done due to gross or nett value depending on SourCE parameter and is realized via relay outputs Front panel LEDs named R indicates the state of particular
24. Assisting the automation rz simex industry since 1986 User manual WEIGHT METER SWI 94 Firmware v 2 11 or higher Inputtype load cells Calibration using theoretical characteristic or real load gt 0 lt nu Ri R20 Read the user s manual carefully before starting to use the unit or software Producer reserves the right to implement changes without prior notice 2014 01 27 SWI 94 INSSXEN v 2 09 002 User manual WEIGHT METER SWI 94 CONTENTS 1 BASIC REQUIREMENTS AND USER 3 2 GENERAL GHARACTERISTICS er EZ po s teu EIE 4 3 TECHNICAL 4 4 DEVICE INSTALLATION 6 4 1 UNPACKING ipin 6 4 20 6 4 3 CONNECTION METIOD rite PPKS A 8 4 4 MAINTENANCE 5 FRONT PANEL DESCRIPTION A 6 PRINCIPLE OF OPERATION eraranta d Naan An 16 6 1 MEASUREMENT MYOBDE 5 eric didt ede era Hg Rar siya CH UR AT 6 2 DETECTION OF THE PEAK VALUES et 6 3 CONTROL OF THE RELAY OUTPUTS it 6 3 1 One threshold MOJE wasze
25. B Figure 6 5 Principle of LED relay output operation for two thresholds mode Figure 6 5 presents the principle of relay outputs operation for two thresholds mode and an example values of other parameters In this mode parameter SEt P2 is accessible in common with SEt P2 this parameter describes a second threshold of the relay output The parameters HYSt modE t t oFF unit and ALArmS are connected with both SEt P and SEt P2 thresholds While the controlling process the relay output changes his state depends of both SEt P and SEt P2 thresholds in similar way as it was described in one threshold mode for more details see Tab 7 1 Time parameters like t on t OFF and unit also affects both thresholds If two threshold mode is used modE parameter defines state of the relay output when the input value occurs in a particular zone defined by border values of both thresholds The relay can be turned on if the input value is contained in zone modE in or zone B modE out and turned off if contained in the second one Figure 6 5 21 User manual WEIGHT METER SWI 94 Control of relay outputs depends on difference between thresholds values zone A and outside of threshold values zone B But the order of the thresholds is important if HYSt parameter is equal zero see Tab 7 1 7 DEVICE PROGRAMMING The device menu allow user to set
26. In example on page 36 of the DISPLAY VALUES CALCULATION paragraph the procedure of the current outputs determining is presented in details this parameter determines the behaviour of current output if any critical situation occurs The parameter can be set to one of the values noCHAn current will not change 22 1 current will be set to 22 1 mA 3 4 current will be set to 3 4 mA 0 0 current will be set to 0 mA When the critical situation goes the current will be set to value calculated due to formulas given above If parameter OUtmod is set to oFF 4 20 or 0 20 the critical situation means that nominal measurement range is exceeded If parameter OUtmod is set to modbuS the critical situation means communication delay when no data is received longer than mbtimE parameter see description rS 485 menu 7 3 5 button menu This menu allows enabling of functions realised gt 0 lt T and B N buttons b ZEro enable of zeroing function button gt 0 lt OFF disabled on enabled b tArE enable of tare function button OFF disabled on enabled b nett enable of presentation mode switching gross net button B N J oFF disabled on enabled 7 3 6 Pr inP parameter 30 This parameter allows enabling of function realised by programmable input
27. ad weight calibration 100 0 28 ZoFFS Zero Offset parameter 0 0 28 44 User manual WEIGHT METER SWI 94 Parameter Description Default value User s value phas FiLtEr Measurements filtration rate 4 28 Active current output configuration OUtPUt menu OUtmod Current output mode 4 20 mA 29 SourCE Kind of value controlled active current output GroSS 29 OUt LO AS i 0 mA or 4 mA depend Omod 00 29 OUtHI Display value for 20 mA current output 200 0 29 Loir Bc of the bottom of the nominal output 5 0 29 Hir Extension of the top of the nominal output range 5 0 29 AL Current output value on critical exception 22 1 mA 30 Front panel buttons configuration button menu b ZEro Zeroing button oFF 30 b tArE Tare button oFF 30 b nEtt Gross nett display mode switching button oFF 30 Configuration of programmable input Pr inP Function of programmable input diSAbL 30 Configuration of peaks detection function HOLd menu modE Kind of detected changes norm 31 PEA Minimum detected change 0 0 31 timE Maximum time of peak displaying 0 0 sec 31 H diSP The type of displayed value 31 rEL1 Source of relay R1 and LED R1 control 31 rEL2 Source of relay R2 and LED R2 control 31 Source of current output control 31 Display parameters briGHt Disp
28. al response delay 25h Yes 0 5 0 no additional delay 1 10 option 2 20c option 3 50c option 4 100c option 5 200c option mbtimE parameter in rS 485 menu maximum delay between 27h Yes 0 99 received frames 0 no delay checking 1 99 maximum delay expressed in seconds 28h Yes 0 1 AL parameter in bEEP menu 0 off 1 29h Yes 0 1 r1 parameter in bEEP menu 0 off 1 on 2Ah Yes 0 1 r2 parameter bEEP menu 0 off 1 on 2Dh Yes 1 8 briGHt parameter display brightness 1 the lowest brightness 8 the highest brightness 38 User manual WEIGHT METER SWI 94 Register Write Range Register description Edit parameter numerical parameters edit mode SEE 0 1 0 dig mode 1 SLid mode Parameters of relay R1 operation 30h Yes 99999 j inti 31h Yes 999999 SEt P parameter rELAy1 menu no decimal point included 1 Yes 0 99999 HySt parameter in rELAy1 menu no decimal point included 33h Yes modE parameter rELAy1 menu 34h Yes 0 5 0 noACt mode 1 mode 2 oFF mode 3 mode 4 out mode 5 modbuS mode 35h Yes 0 999 ton parameter in rELAy1 menu expressed in tenth of seconds or tenth of minutes depend on unit parameter 36h was 0 999 t oF F parameter
29. 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 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 23 User manual WEIGHT METER SWI 94 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 butt
30. are range 100 of selected measurement range Display range 99999 999999 plus decimal point Programmable input separated low level OV 1V high level 10V 30V about 5 5mA 24V User manual WEIGHT METER SWI 94 Outputs relay or OC type optional sensor power supply active current Communication interface Baud rate Display Data memory Protection level Housing type Housing material Housing dimensions Mounting hole Assembly depth Panel thickness Operating temperature depending on version Storage temperature depending on version Humidity Altitude Screws tightening max torque Max connection leads diameter Safety requirements EMC 2 x NO 1A 250V AC cos 1 2 Imax 30MA Umax 30VDC Pmax 100MW 24V 5 10 max 100 mA stabilized range max 0 4 20 mA load resistance max 700 Q 13 bit resolution RS 485 8N1 and 8N2 Modbus RTU not separated 1200 bit s 115200 bit s LED 6 digit 13mm height red non volatile memory EEPROM type IP 65 from front IP 20 housing and connection clips panel NORYL GFN2S E1 96 x 48 x 100 mm 90 5 x 43 mm 102 mm max 5 mm 0 to 50 or 20 C to 50 10 C to 70 C or 20 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
31. ay state 4 bd Ne BE MEE modE EE NENA N EP dg ton 0 _ closed toFF 0 fog og open Loa d zi E EEE time relay state E Eod bg E modE oFF d ARE Li m ton 0 I toFF 0 NES i Lo Pom a time relay state 4 sk E PON d modE st TE bg i cl 527 Eug closed ton gt 0 bd Dd toFF 0 Open I ii i bog gt I rd lt gt bog time relay state 4 E EN 4 ton i toFF 46 od e modE oFF E dureiosad gt parameter Parameter 2 ton gt 0 1 Lob h E toFF 0 ot m time St OFF t on parameter parameter Description A B C D points where measured signal exceeds border values expected value allowed deviation Bon Borr Don Dorr relays state changes moments for t on gt 0 t oFF gt 0 9 ta te tc to time periods while input signal is in zone A or zone B Figure 6 4 Principle of LED relay output operation for one threshold mode 19 User manual WEIGHT METER SWI 94 SEt P parameter sets a threshold of the relay and parameter HYSt sets hysteresis of the relay graph a The relay can change his state when input value is equal to or greater than over or under border value means values equal to threshold hysteresis and threshold hysteresis respectively and ta ts tc to times are big
32. bridges AY Installation should be made according to local safety and electromagnetic compatibility regulations While installation pay special attention to use of shielded wires shield of wires should be connected with metal housing using a conductive glands or metal clamp to ensure proper electrical contact shielded wires should be mounted as close metal case of the device e g connection box as possible and as far from disturbing wires e g powering motors as possible Ay Power 24V 5 10 485 supply optional ACTIVE 100 GND pATA depending on version current output bi DATA gt LT 30 31 32 33 34 35 NN Ls input polarity SIGN R2 doesn t matter SENSE SIGN EXC Figure 4 6 Terminals description relay outputs device with current output A Power 24V 5 10 RS 485 Supply optional ACTIVE 100 GND depending on version 2 T a DATA BIS Gere LC CENE EEG C os programmable input polarity opcja opcja doesnt matter EXC SIGN OC2 Umax 30v DO SENSE SIGN EXC mo 30mA Pmax 100mW Figure 4 7 Terminals description OC type outputs device with current output 10 User manual WEIGHT METER SWI 94 Depending on version 85 230 260V AC DC or L 19 24 50 DC 16 24 35V AC Figure 4 8 Connection of power sup
33. damage to the manufacturer Attached with the unit please find user s manual warranty assembly brackets 2 pieces 4 2 ASSEMBLY AY The unit is designed for mounting inside housings control panel switchboard insuring appropriate protection against surges and interference Metal housings must be connected to ground in a way that complies with the governing regulations Disconnect the power supply prior to starting assembly Check the connections are wired correctly prior to switching the unit on prepared The thickness of the material of which the panel is made must not exceed 5mm When preparing the mounting hole take the grooves for catches located on both sides of the housing into consideration Figure 4 1 4 2 Place the unit in the mounting hole inserting it from the front side of the panel and then fix it using the brackets Figure 4 3 The minimum distances between the centre points of multiple units due to the thermal and mechanical conditions of operation are 115 mm x 67mm Figure 4 4 i In order to install the unit a 90 5 x 43 mm mounting hole Figure 4 1 4 2 must be User manual WEIGHT METER SWI 94 90 5 mm 2 Nr 43 8 mm mm max 5 mm 1mm gt 7 Figure 4 1 Recommended mounting hole dimensions 92 mm 2 max 5 mm gt lt 43 mm Figure 4 2 Allowable mounting hol
34. ded 4Bh Ves 0 1 SourCE parameter rELAy1 menu kind of value controlled relay 0 GroSS 1 39 User manual WEIGHT METER SWI 94 Register Write Range Register description Configuration of peaks detection function 70h Yes 0 1 modE parameter in HOLd menu type of detected changes 0 peaks 1 drops 71h Yes 0 999999 parameter in HOLd menu minimum detectable change no 72h decimal point included 73h Yes 0 199 timE parameter in HOLd menu maximum peaks or drops display time expressed in seconds diSP parameter in HOLd menu the type of values displayed on 74h Yes 0 1 the display 0 current measurement value 1 peaks or drops values H rEL1 parameter in HOLd menu the control mode of relay R1 75h Yes 0 1 and LED R1 0 control depends on current measurement values 1 control depends on peaks or drops values rEL2 parameter in HOLd menu the control mode of relay R2 76h V s 0 1 and LED R2 0 control depends on current measurement values 1 control depends on peaks or drops values H OUtP parameter in HOLd menu the control mode of current 79h Yes 0 1 90000 0 control depends on current measurement values 1 control depends on peaks or drops values Functions of buttons and programmable input 80h Yes 0 1 b ZEro para
35. ded to read these registers simultaneously in 2 registers frames If single registers are read data errors are possible because of changes of read value between successive registers readings these registers are active only if device is equipped with active current output after writing to register no 20h the device responds witch an old address in the message after writing to register no 22h the device responds with the new baud rate the value of the mbAccE parameter is also connected to write 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 C14 0 N N 10 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 mbAccE parameter While reading of displayed value registers 01h 04h using function O3h read single register other error codes can occur Meaning of such codes is given in chapter SIGNALISATION OF ERRORS in details 10 3 EXAMPLES OF QUERY ANSWER FRAMES Examples apply for device with address 1 All values are represent hexadecimal Field description ADDR Device address on modbu
36. e one character time depends on selected baud rate In the most cases parameter rESP should be set to Std no additional delay a Unfortunately for some third party RS converters rESP should be adjusted experimentally Tab 7 2 contains most frequently used values 32 User manual WEIGHT METER SWI 94 bAud parameter 38 4 57 6 115 2 rESP parameter 10 20 50c Tab 7 2 Settings of ESP parameter 7 3 11 Edit t 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 12 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 displays acknowledge question SEt Press ENTER to acknowledge the restoring of factory settings or ESC to cancel 7 3 13 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 33 User manual WEIGHT METER SWI 94 7 4 MENU STRUCTURE Measurement mode Press and hold at least 2 seconds Visible only if
37. e dimensions 5mm ar 7 Figure 4 3 Installing of brackets and dimensions of connectors User manual WEIGHT METER SWI 94 115 mm EE 67 mm Figure 4 4 Minimum distances when assembly of a number of units 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 Tighten the clamping screws The recommended tightening torque is 0 5 Nm
38. e 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 AY 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 f X check local regulations for disposal and electronic products 15 User manual WEIGHT METER SWI 94 5 FRONT PANEL DESCRIPTION stable measurement LED indicator gt lt nett value LED indicator NET Thresholds exceeding LED indicators R zero value e De NETO me me LED indicator gt 0 lt display EEEEEE programming ES ES B pushbuttons Symbols and functions of push buttons Symbol used in the manual ESC MENU Functions Enterto main menu press and hold by at least 2 sec Exit the current level and Enter to previous menu or measure mode Cancelthe changes made in parameter being edited ESC 2 Symbol used the manual ENTER Functions Startto edit the parameter Enter to the sub menu Confirmation of changes made in parameter being edited Symbol used in the manual or T Functions Tare Change of the prese
39. ger than the time defined by parameters ton t oFF and unit If t on and t oFF parameters are set to 0 then the relay state will be changed as soon as input value exceeds any of the border values see points A and C graphs a b c If values of t on or and t oFF are positive then relay state will be turned on if the input value is equal to or greater than the border values and stays like that during at least t on see points Bon Don graph d e Similarly the relay will be turned off if time t oFF elapse since the input signal value is equal to or greater than the border values see points Borr Dorr graph d e If tA tC or tD when input signal stay in zone A or zone B are lower than parameters t on or t oFF the relay will not change his state see points C graph a d e The state of relay output while the input value exceeds the border values points A B C D is described by parameter modE The relay can be turned on modE on or turned off modE oFF when input signal value is contained in zone A graph The parameter ALArmS allow user to set the relay output behaviour in critical situations e g Input values exceeds permissible measurement range User can select that the relays will be turned on turned off or not changed in critical situations All parameters connected with relay outputs are described in paragraph rELAy1 me
40. hanged in range from 000000 to 999999 making allowance for rESOL parameter Due to measurement precision it is recommended to use weight not less than 2 3 of full scale weight while dead weight calibration Best results can be obtained after calibration with dead weight equal to maximum expected weight put of the scale this function allows to storing momentary value as zero of recalculation characteristic Storing is done directly after pressing of ENTER button Zero Offset calibration parameter This parameter is expressed in kg and can be changed in range from 000000 to 999999 making allowance for rESOL parameter this parameter defines input signal filtration rate It can be changed in range from 0 lowest filtration to 5 highest filtration which corresponds to 26Hz 17Hz 8Hz 4Hz 1Hz 0 5Hz Bigger filtration level causes slower changes of measurement results because measurements are realised with longer time interval While fast changes of input signal weight high value of FiLtEr can cause degradation of measurement precision this function allows to view transducer signal value expressed in mV V Procedure of theoretical calibration Set parameter dAtA Set required measurement displaying resolution rESOL parameter Set proper working range of measurement input rAnGE parameter Set required values of parameters r LoAd and r out Unload scale get weigh
41. ilator The unit is designed for operation in an industrial environment and must not be used in a household environment or similar 2 GENERAL CHARACTERISTICS Weight meter SWI 94 is designed for cooperation with load cells strain gages in application not required to be approved Device is equipped with push buttons allow easy setting of tare and zero and also switching between nett and gross indications Measured weight is displayed on 6 digit readable LED display Two relay outputs allow to use the SWI as controller for simple systems with batching function Build in analogue output and RS 485 interface enable remote controlling of the device by a host system if required The device software allows to use two calibration methods data sheet calibration or dead weight calibration All critical states of the device are signalised by proper error messages 3 TECHNICAL DATA Power supply voltage 85 230 260V AC DC 50 60 Hz separated depending on version or 19 24 50V DC 16 24 35V AC separated External fuse required type max 2 Power consumption max 4 5 85 260V AC DC max 4 5 VA 16V 35V AC max 4 5 W 19V 50V DC Measurement input tensometer programmable sensitivity selectable up to 2 mVN or 4 mV V Load cells power supply 4 6 V 10 Imax 60 mA Load cells connections 6 wire technique min resultant impedance of 80 Q e g 4 load cells 320 Q Max display divisions 10 000 d T
42. ing 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 buttons 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 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
43. ing to formula from page 29 lout 30 0 10 0 20 0 10 0 x 16 mA 4 mA 2 16 36 mA Calculated lou exceeds the output working range 3 21 mA so current output will generate current equal to the upper border of range defined by parameter Lo r and Hi r it means 21 mA 9 SIGNALISATION OF ERRORS Some critical situations are signalised in texts or numbers format like NN where NN denotes error number and can be one of values presented below NN Description Meaning 16 ErrC Dead weight calibration error 68 Short Shortcut on input or resultant impedance of input load cell s tensometer sensor is to low 70 OPEn Break of input circuit or incorrect input voltage level 72 OvEr V Exceeding of input voltage permissible range or connectors 30 35 of the tensometer sensor are not connected Exceeding of current source maximum load tensometer sensor SOVET G overloads measurement input 74 tr Err transducer error contact with manufacturer s 75 no rEF No reference voltage or incorrect input voltage level 96 Exceeding of measurement range lower border 160 Hi Exceeding of measurement range upper border mZ Err Manual Zeroing error function cannot be done mt Err Manual Tare error function cannot be done OvEr measured value exceeds the display range 99999 999999 36 User manual
44. lay brightness bri 6 31 Settings of access to the configuration parameters SECUr menu Acc r1 Permission to changes of relay R1 threshold n 32 without of the user password knowledge Acc r2 Permission to changes of relay R2 threshold on 32 without of the user password knowledge RS 485 interface configuration menu rS 485 Addr Device address 0 32 bAud Baud rate 9600 b sec 32 45 User manual WEIGHT METER SWI 94 Parameter Description Default value User s value ama mbAccE Permission to changes of configuration registers on 32 mbtimE Maximum delay between received messages 0 32 rESP Additional delay of answer transmission Std 32 Configuration of numerical parameters edition Edit t Numerical parameters edit mode dig 33 46 User manual WEIGHT METER SWI 94 47 fj simex SIMEX Sp z 0 0 ul Wielopole 7 80 556 Gda sk Poland tel 48 58 762 07 77 fax 48 58 762 07 70 http www simex pl e mail info simex pl
45. meter in button menu function of zeroing button 0 disabled 1 enabled 81h Yes 0 1 b tArE parameter in button menu function of tare button 0 disabled 1 enabled nEtt parameter in button menu function of gross nett ae Yes 0 1 button 0 disabled 4 enabled Pr inP parameter function of programmable input um TER Uus 0 input disabled 1 zeroing function 2 tare function Parameters of current output operation OUtmod parameter in OUtPUt menu current output mode AOh Vas 0 2 0 current output disabled 1 current output enabled with 4 20mA mode 2 current output enabled with 0 20 mode 3 current output controlled via RS 485 interface Ath Yes 99999 OUt LO parameter in OUtPUt menu no decimal point included A2h 999999 A3h Yes 99999 OUt HI parameter in OUtPUt menu no decimal point included A4h 999999 A5h Yes 0 499 parameter in DUtPUt menu expressed 0 1 A6h Yes 0 99 Hi parameter DUtPUt menu expressed 0 1 40 User manual WEIGHT METER SWI 94 Register Write Range Register description ATh Yes 0 3 AL parameter in DUtPUt menu current output value on critical exception 0 no change 1 22 1 mA 2 3 4 mA 3 0 mA SourCE parameter in OUtPUt menu kind of value controlled 2 ne ves me active current output 0 GroSS 1 nEtt 1 itis recommen
46. n input signal is greater than or equal to the threshold detailed mode of action depends on SEt P and HYSt parameters settings and is shown in Tab 7 1 two thresholds mode relays turns on when measured signal is between thresholds detailed mode of action depends on SEt P SEt P2 HYSt parameters settings and is shown in Tab 7 1 two thresholds mode relays turns on when measured signal is outside the thresholds range detailed mode of action depends SEt P SEt P2 HYSt parameters settings and is shown in Tab 7 1 modbuS the relay is controlled RS 485 interface independently on the input signal Mode Relay switches on when Relay switches off when T w gt Pr forh 0 w lt Pr for h 0 jen wz gt Pr h for h 0 w lt Pr h for h40 FF lt Pr forh 0 w gt Pr for h 0 o ws Pr h forh 0 w Pr h for hz0 Pri lt w Pra for h 0 lt Pr vw Pro for h 0 nin for SEt P lt SEt P2 op he wa Pech for h 0 w lt Pr h vw gt th for h 0 5 w lt Pr gt Prs for h 0 Pr lt w lt Pro for h 0 Out for SEt P lt SEt P2 w lt Pr hvw lt Pr th for h 0 Pr h lt w lt Pr h for lt 0 gt w gt Pra for h 0 w gt Pr vw lt Pro for h 0 for SEt P gt SEt P2 Pr h w2Pr h forh 0 gt Pr hvw lt Pr h for 0 w gt PM vw lt Pro for h 0 Pri gt w gt Pro for h 0 Out for SEtP g
47. nt menu Modification of the parameter value Change of the display mode of Symbol used in the manual v or B N Functions Switch between gross nett value Change of the present menu Modification of the parameter value Change of the display mode Hj Symbol used in the manual gt 0 lt gt 04 Functions Zzeroing displayed value 6 PRINCIPLE OF OPERATION After turning the power supply on device ID and software version are showed on the display next the controller goes to the measurement mode 16 User manual WEIGHT METER SWI 94 6 1 MEASUREMENT MODE While device is in measurement mode LED display shows gross or net weight Net weight presentation mode is signalized by LED marked If the weight is constant while 10 successive measurements then it is signalized by LED marked gt lt stable measurement LED diode marked gt 0 lt signalizes that result of measurement is zero Zeroing of the scale is possible by pressing gt 0 lt button but only when current weight do not exceeds 2 of full range and measurement is stable LED gt lt is lighted Pressing of button causes storing of current value as tare weight after that device goes to displaying net weight Pressing of button causes alternative change of presentation mode gross net weight Device recalculates measurement results according to calibration factors entered by a user using
48. nu 20 User manual WEIGHT METER SWI 94 6 3 2 Two thresholds mode displayed value t t t t 4 x c e gt measure gt zone B i d signal SEPIUS up SPENDEN ME pH N RN AEEA Y a ORG SEt P or SEt P2 parameter zone B i i RARE 5 relay state ma bd modE in 6d ton 0 1 closed i i toFF 0 7 55 s a td Eo d Pu Ep time relay state 4 rt a a E E mode NEN closed B EZ ton 0 t SAW toFF 0 ES NN MEN see Edu E P KB time relay state E bd E Fd 9 mod in MED NE E MEN ton gt 0 i closed i i i i pod toFF gt 0 NI jj tw 1 tw me e relay state4 t on parameter t oFF parameter parameter modE out b d Lo ba MERE og ME closed i tod ton gt 0 7 T I t oFF gt 0 gt peo gt bg we time N 7 t oFF parameter t on parameter t oFF parameter Description points where measured signal exceeds border values expected value allowed deviation Bon Borr Corr Eon Eorr relays state changes moments for t on gt 0 t oFF gt 0 ta ta tc to te time periods while input signal is in zone A or zone
49. on 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 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 password checking If some password different from 0000 set then every enter to main menu follows the entering of password If entered password is correct then first menu position will be displayed else warning Error and unit returns to measurement mode a n Independently in user manual letter m is used to make it more readable 1 Due to problem with direct displaying of m letter it is exchanged with special sign example modE 7 3 1 rELAy1 menu This menu allows to configure the operation mode of relays and LEDs marked R e g R1 If there are few relay outputs available then every output has its own configuration menu e g menu rELAy2 for relay LED R2 Principle of the relays operation is described in paragraph CONTROL OF THE RELAY OUTPUTS SourCE parameter defining kind of result using to control state of this relay It can be set to one of two values GroSS relay is controlled due to gross value of weight nEtt relay is controlled due to nett value of weight 1 relays LEDs be con
50. ply and relays Contacts of relay outputs are not equipped with spark suppressors While use the relay outputs for switching of inductive loads coils contactors power relays electromagnets motors etc it is required to use additional suppression circuit typically capacitor 47nF min 250VAC in series with 100R 5W resistor connected in parallel to relay terminals or better directly on the load In consequence of using the suppression circuit the level of generated electromagnetic disturbances is lower and the life of relay contacts rises a N Figure 4 9 Examples of suppression circuit connection a to relay terminals b to the inductive load 11 User manual WEIGHT METER SWI 94 12 Logic controller voltage input 24 V Figure 4 10 Example of OC type outputs connection ACTIVE current output Logic controller current input 4 20 mA Figure 4 11 Example of current outputs connection User manual WEIGHT METER SWI 94 METAL HOUSING NOTE Shield and terminal No 7 must be connected to PE wire EXC load cell sense transducer SENSE SHIELD Rys 4 12 Example of 6 wire load cell connection METAL HOUSING NOTE Shield and terminal No 7 must be connected to PE wire load cell transducer SHIELD Rys 4 13 Example of 4 wire load cell connection 13 User manual WEIGHT METER SWI 94 load cell transducer
51. rrent output operates depend on the peak drop value 7 3 8 briGHt parameter This parameter allows user to set bright of the LED display bright can be set to conventional values from 1 to 8 7 3 9 SECUr menu This menu contains presets connected with availability of other parameters SEtCod user password 4 digits number If this parameter is set at value 0000 user password is turned off by the 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 a If the user do not remember his password the access to the menu is possible 31 User manual WEIGHT METER SWI 94 The password be used ONE TIME ONLY it is impossible to use it again The password can be restored by Service Division only r1 Acc r2 this option permits user on or prohibits oFF to modify the thresholds of the relays LEDs R1 R2 without knowledge about user password 7 3 10 rS 485 menu This menu is connected with RS 485 interface and sets his properties 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
52. s network FUNC Function code REGH L 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 byte count in answer frame DATA H L Data byte Hi and Lo byte CRC LH CRC error check Hi and Lo byte 1 Read of the displayed value measurement and status the device address 01h ADDR FUNC REG H L COUNT H L CRC LH 01 03 00 01 00 03 54 0B 41 User manual WEIGHT METER SWI 94 8 The answer we assume that the measure result is not out of range ADDR FUNC BYTEC DATA H1 L1 DATA H2 L2 DATA H3 L3 CRC LH 01 03 06 00 01 86 AO 00 00 2A B4 DATA H1 L1 reg 01 1 high word of measurement value DATA H2 L2 reg 02h 86A0h low word of measurement value DATA H3 L3 reg 03h 0 measurement status In this example measurement value is equal 186A0h 100 000 in decimal format d Decimal point position is not included in measurement value reg 01h and 02h Decimal point position can be read from reg 04h b The answer if an error occur ADDR FUNC ERROR CRC LH 01 83 40 40 CO ERROR error code 40h bottom border of the measurement range is exceeded 2 Read of device ID code ADDR FUNC REGH L COUNT H L CRC L H
53. t SEtP2 ahyw lt Prz h forhz0 Prr h gt w gt Pr h for hs 25 User manual WEIGHT METER SWI 94 Where Pr value in parameter SEt P Pra value in parameter SEt P2 h value in HYSt parameter w measured value Tab 7 1 Relay mode of action depending on modes and values in parameters SEt P SEt P2 and HYSt When power supply fail unit do not store relays state selected by RS 485 LEDs light when relays are closed independently of relays mode interface t on turn on delay time the relay is turned on with delay equal t on if the input value is equal to or greater than appropriate border value defined with threshold and hysteresis at least ton time ton range 0 99 9 defined with 0 1 sec resolution Unit of this parameter is set by unit parameter t oFF turn off delay time the relay is turned off with delay equal t oFF if the input value is equal to or greater than appropriate border value defined with threshold and hysteresis at least t OFF time t oFF range 0 99 9 defined with 0 1 sec resolution Unit of this parameter is set by unit parameter If time when the input signal is equal to or greater than some border value is shorter than t on or t oFF time the relay do not change his state see paragraph CONTROL OF THE RELAY OUTPUTS unit unit of time for t on and t oFF parameters Can be set on one
54. t off from a scale if it was loaded Make zeroing using S Zero function After this procedure device is ready to work If it is impossible to get weight off from a scale if it was loaded then points 5 and 6 can be skipped Instead it is required to enter known value of the empty scale as an Z oFFS parameter Procedure of dead weight calibration 28 1 Set parameter tYPE rEAL User manual WEIGHT METER SWI 94 Set required measurement displaying resolution rESOL parameter Set proper working range of measurement input rAnGE parameter Unload scale get weight off from a scale if it was loaded Make zeroing using S Zero function Load scale with known weight Enter the value of known calibration weight using LoAd function After this procedure device is ready to work 7 3 4 OutPUt menu This menu contains parameters of current output control OUtmod current output mode can be set to values OFF current output disabled 4 20 current output enabled with 4 20 mA mode 0 20 current output enabled with 0 20 mA mode modbusS current output controlled via RS 485 interface SourCE this parameter defines source of signal controlling the analog output and can be set to one of two values GroSS output is controlled due to gross value of weight nEtt output is controlled due to nett value of weight
55. 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 connected equipment must meet the appropriate standards and regulations concerning safety and be equipped with adequate overvoltage and interference filters Do not attempt to disassemble repair or modify the unit yourself The unit has no user serviceable parts Defective units must be disconnected and submitted for repairs at an authorized service centre AY In order to minimize fire or electric shock hazard the unit must be protected against atmospheric precipitation and excessive humidity Do not use the unit in areas threatened with excessive shocks vibrations dust humidity corrosive gasses and oils User manual WEIGHT METER SWI 94 AM Do not use the unit in areas where there is risk of explosions Do not use the unit in areas with significant temperature variations exposure to condensation or ice 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 vent
56. trolled depending on the current value of input signal or the peak value see HOLd menu SEt P first threshold of the relay range 99999 999999 Threshold is the medium value of relay hysteresis 24 User manual WEIGHT METER SWI 94 SEt P2 HYSt second threshold of the relay range 99999 999999 This threshold is accessible when modE parameter is set to or out value Threshold is the medium value of relay hysteresis hysteresis of relay range 0 99999 Full hysteresis of the relay is equal to 2x HYSt parameter The relay state can change when an input signal is out of threshold hysteresis to threshold hysteresis zone Presented parameters should be set to ensure that SEt P HYSt SEt P2 HYSt SEt P HYSt or SEt P2 HYSt do not exceeds the measure range Additionally in two threshold mode modE in or out the hysteresis for both thresholds must not cover each other in other case relay can t change his state modE relay operation mode There are six options noACt 77 Out the relay is not active permanent turned off one threshold mode the relay is turned ON when input signal is greater than or equal to the threshold detailed mode of action depends on SEt P and HYSt parameters settings and is shown in Tab 7 1 one threshold mode the relay is turned OFF whe
57. ts 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 Error in other case Pay attention when device parameters are being changed If it is possible turn off controlled installation machine 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 or next level sub menu is displayed if the 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 measurement mode 22 User manual WEIGHT METER SWI 94 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 press
58. y acoustic signal r2 if this parameter is set to activation of relay R2 causes by acoustic signal 1 Acoustic signal turned by e g relay be turned off by pressing of button 7 3 3 CALibr menu This menu contains options for measurement input calibration rESOL display resolution of measurements relays thresholds and calibration values Available values 0 01 0 02 0 05 0 1 0 2 0 5 1 2 5 10 20 50 According to practical application circumstances to get stable measurements it is 1 recommended to set rESOL parameter value according to selected measurement range Set such value of rESOL to ensure that whole number of measurement divisions do not exceed permissible value for theoretical calibration ratio of LoAd rESOL lt 10000 similarly while dead weight calibration ratio of LoAd rESOL 10000 TANGE measurement input range 2 mV V or 4 mV V Set this range according to parameter Rated Output R O of strain bridge C calibration type Possible values theoretical calibration Data Sheet type calibration according to data sheet of load cell transducers strain bridges rEAL dead weight calibration entry of values for certain known loads 1 CALibr menu shows option related to selected calibration method only When dead weight calibration is selected then LoAd parameter is visible

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