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Summary of Contents for SIWAREX WP241

Page 1: ...______ ___________________ ___________________ ___________________ Weighing systems Electronic weighing system SIWAREX WP241 Manual 04 2014 A5E33713528A Introduction 1 Safety guidelines 2 Description 3 Application planning 4 Installation 5 Connecting 6 Commissioning 7 Scale parameters and functions of the belt scale 8 Messages 9 Command lists 10 Communication 11 Technical specifications 12 Accesso...

Page 2: ... only by personnel qualified for the specific task in accordance with the relevant documentation in particular its warning notices and safety instructions Qualified personnel are those who based on their training and experience are capable of identifying risks and avoiding potential hazards when working with these products systems Proper use of Siemens products Note the following WARNING Siemens p...

Page 3: ...meter assignment options 18 4 2 1 Parameter assignment with the PC 18 4 2 2 Parameter assignment with a SIMATIC Panel 19 4 2 3 Parameter assignment by means of the Modbus interface 19 5 Installation 21 5 1 Installation guideline 21 5 2 EMC compliant setup 21 5 2 1 Introduction 21 5 2 2 Possible effects of interference 21 5 2 3 Coupling mechanisms 22 5 2 4 Five basic rules for securing EMC 22 5 3 M...

Page 4: ...ecification of a pulse constant 46 7 5 1 2 Pulse constant calculation 47 7 5 2 Commissioning without speed sensor 48 7 5 2 1 Specification of a known constant belt speed 48 7 5 2 2 Determination of current belt speed belt empty 49 7 5 2 3 Determination of current belt speed belt loaded 50 7 5 3 External specification of a speed 52 7 5 4 Zero calibration 53 7 5 5 Span calibration 53 7 5 5 1 Span ca...

Page 5: ...77 8 3 19 Calibration load 77 8 3 20 Calibration quantity 78 8 3 21 Span calibration digits 78 8 3 22 Simulation mode 78 8 3 23 Warm up timer 78 8 3 24 Interface for the legal trade display 78 8 3 25 Software version for HMI SecureDisplay with verification capability 79 8 3 26 Minimum display size in of the HMI SecureDisplay with verification capability 79 8 4 Calibration procedure 80 8 4 1 Genera...

Page 6: ...l outputs to faults or SIMATIC STOP 101 8 9 5 Substitute value for DQ 0 1 2 3 following fault or SIMATIC STOP 101 8 9 6 Analog output range 102 8 9 7 Analog output source 102 8 9 8 Response of analog output to faults or SIMATIC STOP 102 8 9 9 Start value for the analog output 102 8 9 10 End value for the analog output 103 8 9 11 Output value following fault or SIMATIC STOP 103 8 9 12 Trace recordi...

Page 7: ... 125 8 22 5 Current flow rate in 125 8 22 6 Current speed 125 8 22 7 Current speed in 125 8 22 8 Current master totalizer S1 125 8 22 9 Current main totalizer S2 126 8 22 10 Refresh counter for process values 126 8 23 DR 31 Process state extended 127 8 23 1 Unfiltered digit value 128 8 23 2 Filtered digit value 128 8 23 3 Current load cell signal mV 128 8 23 4 Current analog output mA 129 8 23 5 P...

Page 8: ...ges by LEDs on the module 144 10 Command lists 147 10 1 Overview 147 10 2 Command lists 148 11 Communication 153 11 1 Integration in SIMATIC S7 1200 153 11 1 1 General information 153 11 1 2 Creating the hardware configuration 154 11 1 3 Calling of function block 156 11 1 4 Working with the function block 157 11 1 5 I O interface of function block 159 11 1 6 Error codes of function block 160 11 2 ...

Page 9: ...Table of contents SIWAREX WP241 Manual 04 2014 A5E33713528A 9 A ESD guidelines 179 A 1 ESD Guidelines 179 B List of abbreviations 181 B 1 List of abbreviations 181 Index 183 ...

Page 10: ...Table of contents SIWAREX WP241 10 Manual 04 2014 A5E33713528A ...

Page 11: ...e SIMATIC S7 1200 automation system and the TIA Portal are required 1 3 Manual range of validity This manual is valid for Type designation Order No as of version SIWAREX WP241 7MH4960 4AA01 HW V 1 FW V 1 0 1 Note This manual contains a description of all electronic weighing systems available at the date of publication We reserve the right to include a Product Information with the latest informatio...

Page 12: ... downloads tips and tricks Our newsletter providing you with the latest information about your products A Knowledge Manager to find the right documents for you Our bulletin board where users and specialists share their knowledge worldwide You can find your local contact partner for Industry Automation and Drives Technologies in our partner database Information about field service repairs spare par...

Page 13: ...the component described here is to be installed fulfills the regulations specifications of Machinery Directive 89 392 EEC Note The specifications of the manual for the SIMATIC S7 1200 system apply to configuration installation and commissioning in the SIMATIC environment This chapter includes additional information on hardware configuration installation and preparation for operation of the SIWAREX...

Page 14: ...ith respect to our product updates Detailed technical information can be found at http support automation siemens com http www siemens de automation csi_en_WW To ensure the secure operation of a plant or machine it is also necessary to take suitable preventive action e g cell protection concept and to integrate the automation and drive components into a state of the art holistic industrial securit...

Page 15: ...ing system described here is the perfect solution where material flows are to be acquired and processed with the assistance of a belt scale The SIWAREX WP241 is a very accurate electronic weighing system 3 3 System integration in SIMATIC The electronic weighing system described here is a technology module for SIMATIC S7 1200 It allows the user to configure all aspects of the automation solution an...

Page 16: ... limits material flow rate speed load Flexible adaptation to varying requirements Easy adjustment of the scales using the SIWATOOL program even without Simatic know how Exact determination of speed with or without encoder Module replacement is possible without recalibrating the scales Use in Ex Zone 2 ATEX approval Intrinsically safe load cell supply for Ex Zone 1 SIWAREX IS option Diagnostics fun...

Page 17: ...ctronic weighing system or for connection to any automation system Modbus TCP IP The SIWAREX WP241 electronic weighing system can also be used in potentially explosive atmospheres Zone 2 The load cells are supplied intrinsically safe in Zone 1 applications when you use the optional Ex interface SIWAREX IS The SIWAREX WP241 can also be used in stand alone mode independent of the automation system T...

Page 18: ...nowledge of automation technology When servicing is required you can analyze and test the processes in the scale independently of the automation system or Operator Panel with the help of the PC You can read out the diagnostic buffer from the SIWAREX module to assist you in the event analysis The figure below illustrates the structure of the individual program windows Figure 4 1 SIWATOOL overview S...

Page 19: ...nterface You have the option to assign the parameters with a SIMATIC panel which is connected directly to the SIWAREX module The SIWAREX module behaves like a Modbus slave in this case Loadable HMI software for a SIMATIC Panel TP700 Comfort is provided in the scope of delivery of the configuration package All SIMATIC HMI Comfort Panels can be used for direct Modbus communication The use of SIMATIC...

Page 20: ...Application planning 4 2 Parameter assignment options SIWAREX WP241 20 Manual 04 2014 A5E33713528A ...

Page 21: ...carry out EMC planning before installing your devices in order to determine any sources of interference and include them in your considerations EMC EMC electromagnetic compatibility describes the capability of electrical equipment to operate without errors in a given electromagnetic environment without being subject to external influence and without influencing external devices in any way 5 2 2 Po...

Page 22: ... inactive metal parts to chassis ground ensuring large area and low impedance contact large cross sections When using screw connections on varnished or anodized metal parts support contact with special contact washers or remove the protective insulating finish on the points of contact Wherever possible avoid the use of aluminum parts for ground bonding Aluminum oxidizes very easily and is therefor...

Page 23: ...ence potential Create a homogeneous reference potential and ground all electrical equipment Use sufficiently dimensioned equipotential bonding conductors if potential differences exist or are expected between your system components Equipotential bonding is absolutely mandatory for applications in hazardous areas 5 3 Mounting on the SIMATIC S7 1200 The electronic weighing system described here is a...

Page 24: ...Installation 5 3 Mounting on the SIMATIC S7 1200 SIWAREX WP241 24 Manual 04 2014 A5E33713528A ...

Page 25: ...by means of the screw connectors terminal block 1 to 4 24 V connection Digital input connection Analog output connection Ethernet interface connection Load cell connection Calibration bridge connection RS485 interface connection Mounting terminals for the calibration protection plate Digital output connection Figure 6 1 SIWAREX WP241 connection areas ...

Page 26: ...nic weighing system which are equipped with strain gauges full bridge and meet the following requirements Characteristic value 1 to 4 mV V A supply voltage of 5 V is permitted Maximum cable length between WP241 and junction box 1 000 m The power supply for the load cells is 4 85 V The following condition must be satisfied in order to check the maximum possible number of load cells which can be con...

Page 27: ...nding conductor parallel to the load cell cable 2 Twisted wire pairs that are also shielded are required for the specified cables Sensor cable and Measuring voltage cable and Supply voltage cable and Figure 6 2 Shielding in the screw gland We recommended that you use the cables listed in chapter Accessories Page 177 3 The shield must be connected to ground directly in the vicinity of the SIWAREX W...

Page 28: ...n sequence all additional load cells are connected in parallel in the junction box as shown in the graphic All load cells must always be connected in parallel in the junction box With 4 wire load cells you must additionally set a jumper between EXC and SEN and between EXC and SEN in the junction box With 6 wire load cells the jumpers are omitted and all conductors of the same type are connected in...

Page 29: ...Connecting 6 3 Connecting the load cells SIWAREX WP241 Manual 04 2014 A5E33713528A 29 6 3 2 Connection of any scales or load cells Figure 6 4 Connection of 4 wire load cells to WP241 ...

Page 30: ...Connecting 6 3 Connecting the load cells SIWAREX WP241 30 Manual 04 2014 A5E33713528A Figure 6 5 Connection of 6 wire load cells to WP241 ...

Page 31: ... magnetic electrical and electromagnetic interference on the cable Interference currents on cable shielding are diverted to ground by conductive isolation rails To avoid interference as a result of these currents it is imperative to provide a low impedance connection to the ground Use only cables with protective braided shield see recommended cables of load cells in chapter Accessories Page 177 Sh...

Page 32: ... electronic weighing system described here has four digital outputs They are not permanently assigned to process values in the delivery state Assignment of these digital outputs to functions as well as definition of the response in the event of a fault is carried out during commissioning by parameter assignment of data record 7 The 24 V power supply for the digital outputs is provided via terminal...

Page 33: ...Assignment of the digital inputs to commands is carried out during commissioning by parameter assignment of data record 7 The external 24 V switching signal is connected electrically isolated to the desired input the associated ground to terminal 2M When using a speed sensor it is essential to connect it to digital input DI 0 In addition the input must be defined as a speed sensor input in data re...

Page 34: ...issioning in data record 7 Table 6 5 Connection of analog output Labeling Function AQ Analog output AQ Analog output 6 8 Connection of RS485 serial interface The following devices can be connected to the serial interface Operator Panels or other HMI devices with RS485 and Modbus protocol RTU Communication partner with Modbus protocol RTU Table 6 6 Connection of RS485 serial interface Labeling Func...

Page 35: ...her HMI devices with Ethernet and Modbus protocol TCP IP Communication partner with Modbus protocol TCP IP 6 10 Activation of write protection In the case of an officially verified SIWAREX WP241 write protection must be provided to prevent the changing of data relevant to the calibration Insert a wire jumper between the module terminals P and PR for this purpose Table 6 7 Activation of write prote...

Page 36: ...241 with verification capability in the future the load cell connections must be protected against manipulation To achieve this mount the calibration protection plate included in the calibration set as shown in the following picture Subsequently secure the calibration protection plate using the associated terminals see Figure 6 7 Mounting of the calibration protection plate See also Overview Page ...

Page 37: ...a pulse counter Check this setting in data record 7 during commissioning Connection of the various Siemens speed sensors is shown below A wide range of pulse sensors can be used up to a clock frequency of 5 000 Hz A level of at least 15 V DC is required for the High signal The Low signal is reached at a voltage of 5 V DC Detailed information on the various sensors can be obtained from the respecti...

Page 38: ...onnection of a speed sensor SIWAREX WP241 38 Manual 04 2014 A5E33713528A 6 12 2 TASS speed sensor on WP241 Figure 6 9 TASS speed sensor on WP241 6 12 3 WS100 speed sensor on WP241 Figure 6 10 WS100 speed sensor on WP241 ...

Page 39: ...Connecting 6 12 Connection of a speed sensor SIWAREX WP241 Manual 04 2014 A5E33713528A 39 6 12 4 WS300 speed sensor on WP241 Figure 6 11 WS300 speed sensor on WP241 ...

Page 40: ...Connecting 6 12 Connection of a speed sensor SIWAREX WP241 40 Manual 04 2014 A5E33713528A ...

Page 41: ...ncerning the correct mechanical design of a belt scale can be found in the respective manuals These manuals are available online as downloads Manuals for belt scales http support automation siemens com WW view de 18235463 133300 7 2 Factory set parameters The electronic weighing system described here is provided with factory set parameters Parameters which can be entered in or time are preset in s...

Page 42: ... alone operation without SIMATIC controller The factory setting is Operation integrated in SIMATIC Note If the switch is set to the down position while the SIWAREX module is in operation with SIMATIC the SIWAREX module will not carry out a reset upon loss of power supply to the SIMATIC CPU 7 4 Commissioning tools The following options are available for commissioning the electronic weighing system ...

Page 43: ... the start up select the item 1 0 Setup in the main menu You can conveniently set the most important parameters here for starting up the scale The remaining parameters are factory set in such a way that they can be used in most cases without any changes Figure 7 1 Main menu In the next step select the item 1 1 Basic parameters and then press the Switch on service mode button in the screen which su...

Page 44: ...ial units for commissioning of the scale This setting can only be changed again following commissioning by loading the factory settings A mixture of metric and imperial units for belt load and flow rate is not permissible Further information on the individual parameters can be found in chapter Scale parameters and functions of the belt scale Page 69 Once the parameters have been appropriately set ...

Page 45: ...mation only it has no effect on other functions It can be used for example to allow the belt to warm up before transportation of material is started Using simulation mode you can activate the Load simulation and Speed simulation functions Without this activation the scale cannot be switched to the respective simulation mode 7 5 1 Commissioning with speed sensor When using a speed sensor use the st...

Page 46: ...he pulse constant in Pulses per meter If the belt load is displayed in lbs ft you must specify the pulse constant in Pulses per foot If the sensor is mounted on the axis of a guide pulley use the following equation to calculate the pulse constant Pulse constant per meter Pulses per revolution π x d Pulses per revolution see sensor data sheet π 3 1416 d diameter of guide pulley in meters The inputs...

Page 47: ...he values using the Apply new constant button This procedure permits highly exact determination of any unknown pulse constants on the condition that the total belt length is specified exactly As an alternative to the belt marking and manual sending of commands you can connect a belt revolution sensor e g a proximity switch to digital input DI 1 When assigning the parameters for the digital inputs ...

Page 48: ...etection parameter to Preset Detect constant speed Enter the known constant belt speed in the Belt speed belt empty parameter Leave the two parameters Belt speed correction belt loaded und Belt load factor for speed correction at 100 Save all settings by clicking the diskette symbol Activate the specified speed using one of the three options by means of the external Set Belt is running command Via...

Page 49: ...lt speed is subsequently displayed in the New value column You can import the belt speed using the Apply new speed button Activate the specified speed using one of the three options by means of the external Set Belt is running command Via a correspondingly parameterized digital input Via an external controller From the operator panel menu 1 4 5 You can reset the speed to zero again using the Reset...

Page 50: ... the motor with load is recorded A percentage belt load factor and a percentage speed factor are determined These two values together with the determined nominal speed Determination of current belt speed belt empty Page 49 then form a characteristic Figure 7 8 Speed characteristic without sensor Prerequisites for determination of the characteristic are Speed calculation has been carried out with e...

Page 51: ...fined number of revolutions and the marking has passed the defined point for the last time The average belt load factor is subsequently output as a percentage and the measured speed in of the speed with the belt empty Import the parameters by clicking on Apply new speed As an alternative to the belt marking and manual sending of commands you can connect a belt revolution sensor e g a proximity swi...

Page 52: ...om CPU DS19 in the Basic parameters 2 of 2 in menu item 1 1 2 The Nominal belt speed is then only used as a reference for the speed limits As soon as data record 19 is sent with a content not equal to 0 to the electronics from SIMATIC CPU or with Modbus TCP RTU this value is used as the current speed The Set Belt is running and Reset Belt is running commands are not required In order to stop the b...

Page 53: ...field Zero calibration running appears The procedure is stopped automatically following the defined number of belt revolutions and the new zero digits are displayed 3 Import these using the Apply new zero digits button Following importing of the new zero point the actual belt load is displayed as 0 0 kg m or 0 0 lbs ft Subsequently move on in the calibration menu to item 1 2 3 Span calibration Spa...

Page 54: ... percentage deviation from the previously used calibration digits if applicable 4 Import these values using the Apply new span digits button Commissioning has then been completed Additional parameter settings can also be made for example Setting of limits for belt load speed and material flow rate Filter settings Parameterization of the inputs outputs of your weighing module Further information on...

Page 55: ... Start the calibration procedure using Start calibration The procedure is automatically terminated following the set number of belt revolutions The new span digits are then displayed in the right hand column as well as the percentage deviation from the previously used calibration digits if applicable 4 Import the newly determined digits using the Apply new span digits button The belt load shown at...

Page 56: ...l calibration of the speed and a zero calibration Navigate in the span calibration menu to item 1 2 3 3 Span by material batch Figure 7 13 Span by material batch 1 If you wish to convey a known amount of material enter this in the Conveyed amount of material field Alternatively you can also enter the amount of material following conveyance 2 Make sure that the belt is running and empty 3 Start the...

Page 57: ...ion on these and all other parameters can be found in chapter Scale parameters and functions of the belt scale Page 69 You can return to the main screen using the Home button house symbol You can improve the results for your system even further following completion of the calibration or also during subsequent operation by means of a flow correction by material test Determination of a correction fa...

Page 58: ...mediately and need not be imported separately 5 If the belt of the scale has not been installed exactly horizontally you must additionally enter the inclination angle of the belt in menu item 1 4 3 Commissioning has then been completed Additional parameter settings can also be made for example Setting of limits for belt load speed and material flow rate Filter settings Parameterization of the inpu...

Page 59: ... on the left of the screen remains constant Determine the correction factor divide the actually conveyed amount of material either already known or determined by subsequent weighing on a separate scale by the value of Totalizer 6 determined during the test You can also use the integrated calculator for the calculation by selecting the next input form using the Calculator button First enter the two...

Page 60: ... Start up with the operator panel and the Ready for Use software SIWAREX WP241 60 Manual 04 2014 A5E33713528A factor for a further higher belt load A correction characteristic is then produced depending on the belt load ...

Page 61: ...your PC for commissioning A document for commissioning of the belt scale using SIWATOOL is also available in the Siemens Customer Support 7 6 1 Windows and functions of SIWATOOL Control elements for SIWATOOL and operation of the scale Offline values of the SIWAREX module Parameter list of the SIWATOOL module Online values of the connected SIWAREX module Figure 7 16 Layout of the SIWATOOL user inte...

Page 62: ...for every change to parameters within it The desired parameter can then be edited and the data record returned If the data record is not received the danger exists that different offline parameters will be sent to the scale and overwrite previously active and intentionally defined parameters Figure 7 17 Sending receiving a data record with SIWATOOL V7 7 6 2 Offline parameter assignment All scale p...

Page 63: ...s To establish a connection to a SIWAREX module enter the IP address in SIWATOOL Under the menu item Communication select Set Ethernet Configuration Enter the IP address of the SIWAREX module in the following window To activate the IP address and establish a connection to the SIWAREX module subsequently click on Online 7 6 3 2 Determining an unknown IP address If the IP address of a connected SIWA...

Page 64: ...te You can edit all data in the SIWAREX module in online mode The changes are not automatically imported to the corresponding scale data block To download the data to the SIWAREX module select the data record with a right mouse click and send it explicitly to the SIWAREX module Online parameter trends can be recorded and played back using the recorder function located at the top right hand edge of...

Page 65: ...IWAREX modules using the right mouse button Send data record Parameters are always changed as a complete data record rather than individually 7 6 7 Recording scale traces Scale traces can be recorded and exported using SIWATOOL The recording is started and stopped using commands and recorded traces can also be deleted The trace recording cycle is set in data record DR7 A dialog window is called wi...

Page 66: ...d save the original parameter values prior to the firmware update Following the firmware update the saved data can be converted by SIWATOOL to the new firmware version Saving existing parameters Export the current parameters Select the Receive all data records function from the menu under Communication The current parameter set is then transferred to SIWATOOL Save the current data record in a file...

Page 67: ...Commissioning 7 6 Service with SIWATOOL software SIWAREX WP241 Manual 04 2014 A5E33713528A 67 Figure 7 19 Downloading the firmware with SIWATOOL ...

Page 68: ...Commissioning 7 6 Service with SIWATOOL software SIWAREX WP241 68 Manual 04 2014 A5E33713528A ...

Page 69: ...e divided into data records DR The data records are organized in steps tasks which constitute a functional unit during commissioning or during the process Data records can only be read or written as complete packages Reading or writing of a single parameter within a data record is therefore not possible It is therefore recommendable to proceed as follows before editing a parameter 1 Read in the co...

Page 70: ...cale to SIWATOOL A special feature distinguishes the WP241 module from other SIWAREX modules Every calibration command which results in a change in a parameter e g during calibration of the zero point or with calibration weights initially leads to output of the result in DR 4 You can check the result and subsequently import it into the DR 3 using an apply command The parameter becomes effective fo...

Page 71: ...xternal specification of speed via DR19 USHORT 2 rw 1 1027 Design speed Page 76 Maximum speed with empty belt FLOAT 4 Rw 1 1028 Speed correction if belt loaded Page 76 Only relevant if no sensor present Percentage deviation in speed when belt is loaded see next parameter FLOAT 4 rw 0 98 1030 Belt load factor for speed correction Page 76 Belt load in of nominal load Only relevant if no sensor is pr...

Page 72: ...mode is enabled USHORT 2 rw 0 1048 Warm up timer Page 78 Status bit in DR30 Warm up time running remains TRUE for the specified time minutes USHORT 2 rw 30 1049 Interface for the legal trade display Page 78 available soon 0 HMI SecureDisplay at ETHERNET 1 HMI SecureDisplay via S7 interface USHORT 0 rw 0 1050 HMI SecureDisplay string header version UBYTE 2 2 1051 Software version for HMI SecureDisp...

Page 73: ... in accordance with OIML R50 2 verification in accordance with NTEP Book 44 approvals available soon Note If the jumper is closed to protect data with verification capability the parameter can no longer be changed 8 3 3 Unit for belt load When setting parameters for the first time you must select between metric and imperial systems The following units can be selected for the belt load 0 kg m metri...

Page 74: ...f weight and belt load The resolution for the weight measurement and the belt load per length unit can be defined in accordance with the standard EN 45501 1 10 k 2 10 k 5 10 k k 3 2 from 0 0001 to 50 Note If the jumper is closed to protect data with verification capability the parameter can no longer be changed 8 3 6 Resolution of flow rate The resolution for the material flow rate and totalizers ...

Page 75: ...terial flow rate limits refer to the rated flow rate 8 3 9 Weigh length In the case of a scale with a roller station the weigh length corresponds to half the distance from the roller station to the adjacent rollers on the left and right which are located upstream and downstream of the roller station With two or more roller stations the distance between the roller stations is added to this Note If ...

Page 76: ...elt revolutions is measured and the speed determined from this 8 3 14 Speed correction if belt loaded If a speed sensor is not used speed detection 0 see Speed detection Page 76 a speed correction can be determined at a certain belt load factor preferably the nominal load in addition to the design speed A load dependent characteristic for the speed then results together with the design speed This ...

Page 77: ...nitial zero calibration digits Following calibration of the scale s zero point the digit value from the A D converter is stored as the average value for the set number of belt revolutions When zeroing the scale during subsequent operation a check is made to establish whether the deviation from this original zero point does not exceed the defined limit Note If the jumper is closed to protect data w...

Page 78: ...sed to protect data with verification capability the parameter can no longer be changed 8 3 22 Simulation mode The material on the scale and or the speed of the belt can be simulated for test purposes You must enable this functionality using the Enable simulation parameter You specify the simulated input values via DR16 You can enable test mode at any time using the commands Load simulation ON 3 o...

Page 79: ...sed for representation of the display with verification capability The software version must be entered when commissioning a trade scale requiring verification The following notation is envisaged VX XX XX e g V1 05 02 8 3 26 Minimum display size in of the HMI SecureDisplay with verification capability This parameter is not yet effective since the function is in preparation The smallest display siz...

Page 80: ...easurement The gravimetric weight measurement or measurement of the belt load All results of the calibration are initially presented by the SIWAREX module in DR4 You can apply the results into the parameter set or reject them This guarantees that the individual calibration steps do not change the existing parameter set and become effective immediately When calibrating the scale you can switch off ...

Page 81: ...nt of the belt revolution using the command Start speed pulse detection 70 Terminate the measurement when the point is passed again if only one belt revolution is parameterized for the measurement using the command Stop speed pulse detection 71 The following parameters are calculated by SIWAREX as a result of the measurement and output in DR4 as a recommendation for acceptance When using a speed s...

Page 82: ...ation of known speed parameters Calibration of the speed as described above is always recommended This guarantees maximum accuracy for the speed calculation and thus maximum accuracy of the complete system If it is not possible to calculate the speed or pulse constant you can also enter the data manually When using a speed sensor at DI 0 you must enter the following parameters manually DR3 design ...

Page 83: ...al conversion of the signal the zero point displayed weight 0 is assigned to the digital value calibration digits for the zero point The measurement is carried out with an empty running and warmed up belt At least one complete belt revolution is required The zero point of the scale is determined more accurately if several belt revolutions are used The command Start initial zero calibration 60 is t...

Page 84: ...cale construction and the entered parameters The best scale accuracy can be achieved by calibrating with test weights or a test chain Following a certain period of operation you can define further correction factors for the material flow rate by means of a material test Requirements The following requirements must be fulfilled in order to achieve successful automatic calibration Proper installatio...

Page 85: ...ter a test chain corresponding to the measuring range in DR3 e g 50 of the nominal load 3 Place the test chain onto the scale Step 2 1 Switched the belt on The test chain is positioned on the scale 2 Start recording of the weight for the parameterized number of belt revolutions using the command Start span calibration with test chain 65 The status display in DR30 indicates that the calibration is ...

Page 86: ...he belt Before the material reaches the scale activate the command Start span calibration with material batch 67 2 The material flow is recorded The status display indicates that the calibration is running When the belt is empty terminate the calibration using the command Stop span calibration with material batch 68 3 Enter the complete quantity of conveyed material before or after the calibration...

Page 87: ...35 1203 Vmax Speed belt empty Determination using the Start Stop belt revolution detection commands with empty belt Command for importing Apply nominal speed 85 FLOAT 4 r 0 1204 Speed correction if belt loaded Only relevant if a sensor is not present determination using the Start Stop belt revolution detection commands with empty belt Command for importing Apply speed parameters belt loaded 86 FLO...

Page 88: ...ation weight calculated Determine from the automatic calibration or from the weight calibration or from the load calibration or from the amount of material Command for importing Apply span calibration digits 89 FLOAT 4 r 0 1226 Calibration load calculated Measure mean value FLOAT 4 r 0 1228 Span calibration digits Measure mean value following calibration commands LONG 4 r 0 1230 Deviation from old...

Page 89: ...op watch is started and the current time is displayed The current time is also displayed during execution of a calibration command or when zeroing the scale The display is in milliseconds 8 6 2 Result calculator Data record DR 21 is used to enter digits for multiplication or division of two numbers The result is displayed here following the calculation commands 81 and 83 ...

Page 90: ...tor 1 parameter to e g 40 With this setting correction factor 1 applies to the complete working range of the scale The influence of the belt speed is not taken into consideration for the correction factors Set the correction factors to a value of 1 prior to the test If this is not possible you must correct multiply the existing correction factor with the newly calculated factor Table 8 3 Assignmen...

Page 91: ...he value to be entered must be larger than belt load factor 1 Observe the belt load during the test in SIWATOOL on the touch panel or in the SIMATIC and enter the value 8 7 3 Correction factors 1 and 2 The correction factors have an effect on the material flow rate display and thus also on the totalizer They are calculated and entered following the material test The amount recorded in totalizer 4 ...

Page 92: ...ximum belt load FLOAT 4 rw 1 0 100 1268 Positive range of zero adjuster referred to the originally calibrated zero point Specification in of maximum belt load FLOAT 4 rw 3 0 100 1270 Smallest totalized value Page 94 Smallest totalized value which may be recorded with verification capability FLOAT 4 rw 0 0 1272 Minimum flow rate Page 94 Min flow rate in of design flow rate for status display FLOAT ...

Page 93: ...d FLOAT Reserve 4 rw 0 0 Frequency low pass filter weight belt load belt speed Page 96 Low pass filter filtering of weight limit frequency 0 filter switched off Range fg 0 05 50 Hz FLOAT 4 rw 0 5 0 50 1298 Order no low pass filter Page 96 Filter number 2 1 5 USHORT 2 rw 4 1 5 1300 Reserve 2 Reserve FLOAT 4 rw 0 0 1301 Frequency low pass filter weight belt load belt speed Page 96 Low pass filter fi...

Page 94: ...status area of the scale The specification is made in of the design flow rate 8 8 4 Maximum flow rate Exceeding the maximum flow rate is displayed in the status area of the scale The specification is made in of the design flow rate 8 8 5 Delay for flow rate limits Reaching the maximum flow rate is displayed in the status area of the scale only following expiry of the delay The specification is mad...

Page 95: ...e in of the nominal belt load which was determined during commissioning 8 8 10 Maximum belt load Exceeding the maximum belt load is displayed in the status area of the belt scale The specification is made in of the nominal belt load which was determined during commissioning 8 8 11 Delay for belt load limits Violation of the limits for the belt load is delayed by the specified time The specificatio...

Page 96: ...quency defines the speed of the scale s response to changes in the measured value A value of 5 Hz for example results in a relatively rapid response to a change in weight a value of 0 5 Hz makes the scale slower 8 8 14 Order no low pass filter The number of the filter defines the effect of damping The values 2 4 6 8 and 10 can be set The higher the selected order number the higher the damping effe...

Page 97: ...1 1 65635 1312 Assignment digital input DI 0 1 2 3 Page 100 Assignment of digital input 0 Code 0 No command assigned 1 n command number is triggered at a rising edge 0 1 transition 1304 pulse sensor USHORT 2 rw 0 0 1999 1313 Assignment of digital input 1 Code 0 No command assigned 1 n command number is triggered at a rising edge 0 1 transition USHORT 2 rw 0 0 1999 1314 Assignment of digital input ...

Page 98: ...r SIMATIC CPU STOP BIT 0 rw 0 0 1 1323 16 Substitute value for DQ 1 following fault or SIMATIC CPU STOP BIT 0 rw 0 0 1 1323 15 Substitute value for DQ 2 following fault or SIMATIC CPU STOP BIT 0 rw 0 0 1 1323 14 Substitute value for DQ 3 following fault or SIMATIC CPU STOP BIT 0 rw 0 0 1 1323 13 Bit 4 Reserve BIT 0 rw 0 0 1 1323 12 Bit 5 Reserve BIT 0 rw 0 0 1 1323 11 Bit 6 Reserve BIT 0 rw 0 0 1 ...

Page 99: ...0 ms 10 100 ms 100 1 s 1 000 10 s USHORT 2 rw 1 1 1000 1333 Trace storage method Page 103 0 Trace recording runs as a circular buffer 1 Trace is stopped when the trace memory is full BIT 0 rw 0 0 1 1334 16 Bit 1 Reserve BIT 0 rw 0 0 1 1334 15 Bit 2 Reserve BIT 0 rw 0 0 1 1334 14 Bit 3 Reserve BIT 0 rw 0 0 1 1334 13 Bit 4 Reserve BIT 0 rw 0 0 1 1334 12 Bit 5 Reserve BIT 0 rw 0 0 1 1334 11 Bit 6 Res...

Page 100: ...on time 8 9 2 Input filtering hardware setting To ensure that the inputs do not respond too quickly to the signal change a minimum signal pending time can be specified The pending signal is not processed further until this time has elapsed The following values can be set Value Signal pending period Value Signal pending period 0 0 2 ms 4 1 6 ms 1 0 2 ms 5 3 2 ms 2 0 4 ms 6 6 4 ms 3 0 8 ms 7 12 8 ms...

Page 101: ...e outputs are usually reset following a module fault operating error or SIMATIC CPU STOP This response is the default setting If an output is to be set following a fault this response is defined using this parameter The Response of digital outputs to fault or SIMATIC STOP parameter must also be set to Output substitute value The substitute value definition is then valid Examples Table 8 6 Bit 0 de...

Page 102: ...s for the analog output 0 Belt speed 1 Belt load 2 Material flow rate 3 External specification DR 17 Specified in mA 4 Via SIMATIC S7 interface 8 9 8 Response of analog output to faults or SIMATIC STOP This parameter defines the response of the analog output following a fault of the SIWAREX module or SIMATIC STOP Value Response 0 Switch off 1 Retain function 2 Output configured output value e g 3 ...

Page 103: ...a fault this is defined with this parameter The current value to be output is entered NOTICE System can be switched to unsafe state If the analog output is to be set to a given value following a fault operating error you must ensure that this poses no danger 8 9 12 Trace recording cycle The trace function is used for the continuous recording of measured values The recording rate is defined with th...

Page 104: ... a pulse sensor quantity see Assignment digital output DQ 0 1 2 3 Page 100 In addition you must specify a load per pulse and a pulse duration for the signal If the material flow rate is displayed e g in t h you must specify the quantity per pulse in t or with kg h in kg The pulse duration is defined in ms Make sure when setting the parameters that you only enter plausible combinations pulse durati...

Page 105: ...g the Modbus protocol data record DR 48 must be used for the date and time Procedure Set the date and time Transfer the data record to the scale Table 8 8 Assignment of data record 8 Variable Note Type L Rw Default Min Max Register Data record number Contains no of data record USHORT 2 r 8 1341 Length Data record length information USHORT 2 r 20 1342 Application Information about which application...

Page 106: ...n USHORT 2 r 1 1 65635 1354 Order No header Maximum and current string length for the order number UBYTE 2 2 r 16 16 1355 Order No Order number of the module 7MH CHAR 16 16 r 7MH 1356 Serial number header String header UBYTE 2 2 r 12 12 1364 Serial number Serial number XXX00001 CHAR 12 12 r 1365 Firmware type header String header UBYTE 2 2 r 2 2 1371 Firmware type Character V Release B Test etc CH...

Page 107: ...01 Application Information about which application the DR belongs to USHORT 2 r 104 1402 Version identifier Information about current data record version USHORT 2 r 1 1 65635 1403 Number of load cells Page 108 1 Number of analog load cells USHORT 2 rw 1 1 6 1404 50 60 Hz toggling Page 108 50 60 Hz toggling USHORT 2 rw 0 0 1 1405 Reserve 1 Reserve USHORT 2 rw 0 0 0 1406 Load cell characteristic val...

Page 108: ...tering 8 12 3 Load cell characteristic value The characteristic value of the load cell s is required to correctly interpret the output voltage from the load cell The exact value can be entered if the measurement log for the load cell is available The mean value of all characteristic values is used if there is more than one load cell Example Characteristic value 2 018 mV V 8 12 4 Rated load of a lo...

Page 109: ...5 USHORT 2 r 0 FF 1508 Device MAC address 6 USHORT 2 r 0 FF 1509 Port MAC address Page 110 Port MAC address 1 USHORT 2 r 0 FF 1510 Port MAC address 2 USHORT 2 r 0 FF 1511 Port MAC address 3 USHORT 2 r 0 FF 1512 Port MAC address 4 USHORT 2 r 0 FF 1513 Port MAC address 5 USHORT 2 r 0 FF 1514 Port MAC address 6 USHORT 2 r 0 FF 1515 IP address Page 110 IP address x n n n USHORT 2 r 0 255 1516 IP addre...

Page 110: ... address Assign the IP address using the Primary Setup Tool SIWATOOL or via the SIMATIC see chapter IP address for SIWAREX Page 63 8 13 4 Subnet mask Assign the subnet mask of your network 8 13 5 Gateway If a gateway is used between the SIWAREX WP241 and the communication partner enter the gateway address here If a gateway is not present enter the IP address of the SIWAREX module 8 13 6 Device nam...

Page 111: ... current data record version USHORT 2 r 1 1 65635 1561 RS485 protocol Page 112 0 No protocol 1 MODBUS RTU USHORT 2 rw 1 0 2 1562 RS485 baud rate Page 112 2 9 600 bps 3 19 200 bps 4 38 400 bps 5 57 600 bps 6 115 000 bps USHORT 2 rw 3 0 6 1563 RS485 character parity Page 112 Character parity 0 Even 1 Odd BIT 0 rw 0 0 1 1564 16 RS485 number of data bits Page 113 Number of data bits per character 0 7 ...

Page 112: ... Page 113 Delay time for response with MODBUS RTU in ms RS485 USHORT 2 rw 0 1567 Reserve Reserve FLOAT 4 rw 0 1568 8 14 1 RS485 protocol This parameter defines the protocol for communication via the RS485 interface Value Protocol 0 No communication protocol 1 Modbus RTU 8 14 2 RS485 baud rate This parameter defines the baud rate for the RS485 interface Value Baud rate 2 9 600 bps 3 19 200 bps 4 38...

Page 113: ... Value Data bits 0 7 1 8 8 14 5 RS485 number of stop bits This parameter defines the number of stop bits for the RS485 interface Value Stop bits 0 1 1 2 8 14 6 RS485 Modbus address This parameter defines the Modbus address 1 to 230 for communication via the RS485 interface with the Modbus protocol 8 14 7 Modbus RTU response delay This parameter defines the delay of a response to a data request by ...

Page 114: ...ormation about current data record version USHORT 2 r 1 1 65635 1573 Current belt angle Page 114 Angle of inclination FLOAT 4 rw 0 0 60 1574 Reserve 1 Reserve SHORT 2 rw 0 0 1576 8 15 1 Current belt angle Input of the angle is provided for belt scales where the inclination of the belt can be changed during operation Calculation of the current belt load is corrected by entering the current angle Th...

Page 115: ...er Contains no of data record USHORT 2 r 16 1578 Length Data record length information USHORT 2 r 20 1579 Application Information about which application the data record belongs to USHORT 2 r 104 1580 Version identifier Information about current data record version USHORT 2 r 1 1 65635 1581 Value for belt load simulation Page 115 FLOAT 4 rw 0 1582 Value for belt speed simulation Page 115 SHORT 2 r...

Page 116: ...ata record to the scale Table 8 15 Assignment of data record 17 Variable Note Type L Rw Default Min Max Register Data record number Contains no of data record USHORT 2 r 17 1588 Length Data record length information USHORT 2 r 16 1589 Application Information about which application the data record belongs to USHORT 2 r 104 1590 Version identifier Information about current data record version USHOR...

Page 117: ...rmation USHORT 2 r 12 1597 Application Information about which application the DR belongs to USHORT 2 r 104 1598 Version identifier Information about current data record version USHORT 2 r 1 1 65635 1599 Definition for digital output DQ 0 1 2 3 Page 118 Definition for digital output 0 1 DQ0 output enabled only applies if output is assigned code 21 see DR 7 BIT 0 rw 0 0 1 1600 16 Definition for dig...

Page 118: ...e Type L Rw Default Min Max Register Bit 14 Reserve BIT 0 rw 0 0 1 1600 2 Bit 15 Reserve BIT 2 rw 0 0 1 1600 1 Reserve 1 Reserve USHORT 2 rw 0 1601 8 18 1 Definition for digital output DQ 0 1 2 3 Digital outputs 0 to 3 can be controlled using data record 18 with this parameter This function can be used for commissioning purposes for example ...

Page 119: ...DR 19 Transfer the data record to the scale Table 8 17 Assignment of data record 19 Variable Note Type L Rw Default Min Max Register Data record number Contains no of data record USHORT 2 r 19 1602 Length Data record length information USHORT 2 r 16 1603 Application Information about which application the data record belongs to USHORT 2 r 104 1604 Version identifier Information about current data ...

Page 120: ...lt Min Max Register Data record number Contains no of data record USHORT 2 r 20 3000 Length Data record length information USHORT 2 r 12 3001 Application Information about which application the data record belongs to USHORT 2 r 104 3002 Version identifier Information about current data record version USHORT 2 r 1 1 255 3003 2000 Technology error BIT 2 rw 1 3004 16 Reserve BIT 0 rw 1 3004 15 2002 T...

Page 121: ...he scale Trigger the desired activation function using a command 81 for multiplication A x B 83 for division A B The result is displayed in DR 4 Table 8 19 Assignment of data record 21 Variable Note Type L Rw Default Min Max Register Data record number Contains no of data record USHORT 2 r 21 Length Data record length information USHORT 2 r 20 Application Information about which application the da...

Page 122: ...h application the data record belongs to USHORT 2 r 104 3002 Version identifier Information about current data record version USHORT 2 r 1 1 255 3003 In zero offset range Set if belt load within offset range BIT 2 r 0 3004 16 Zero offset procedure active Set if automatic zeroing is switched on BIT 0 r 0 3004 15 Zero tracking active Set if automatic zero tracking is switched on BIT 0 r 0 3004 14 Mi...

Page 123: ... error resulting from command at digital input BIT 0 r 0 3005 9 Calibrated Module is calibrated calibration of weight measurement and speed BIT 0 r 0 3005 8 Service mode Service mode active BIT 0 r 0 3005 7 Calibration command is running Set if calibration procedure has been triggered BIT 0 r 0 3005 6 Write protection Write protect switch is enabled BIT 0 r 0 3005 5 Analog output disrupted Analog ...

Page 124: ...r length unit FLOAT 4 r 0 3010 Current belt load in Page 125 Current belt load in of nominal belt load FLOAT 4 r 0 3012 Current flow rate Page 125 Current material flow rate per hour FLOAT 4 r 0 3014 Current flow rate in Page 125 Current material flow rate in of nominal flow rate FLOAT 4 r 0 3016 Current speed Page 125 Current speed per second FLOAT 4 r 0 3018 Current speed in Page 125 Current spe...

Page 125: ...nominal belt load 8 22 4 Current flow rate The current material flow rate belt load x speed 8 22 5 Current flow rate in The current material flow rate belt load x speed in of the nominal flow rate 8 22 6 Current speed The current speed used to calculate the material flow rate The output is made as length per second 8 22 7 Current speed in The current speed used to calculate the material flow rate ...

Page 126: ...low is saved in a powerfail proof memory It can be deleted using the Log and delete command 8 22 10 Refresh counter for process values Measured values are calculated every 10 ms in the SIWAREX module A counter is incremented by 1 each time Once the counter reaches the value 65536 it starts again from zero The counter can be used as a time stamp for data record DR 30 ...

Page 127: ...entifier Information about current data record version USHORT 2 r 1 1 65635 3303 Unfiltered digit value Page 128 Unfiltered digit value from A D converter LONG 4 r 0 3304 Filtered digit value Page 128 Filtered digit value from A D converter LONG 4 r 0 3306 Current load cell signal mV Page 128 Actual input voltage in mV calculated from the input digits LONG 4 r 0 3308 Current analog output mA Page ...

Page 128: ...t 2 Current status of output 2 BIT 0 r 0 0 1 3322 6 Current status of output 3 Current status of output 3 BIT 0 r 0 0 1 3322 5 Reserve BIT 0 r 0 0 1 3322 4 Reserve BIT 0 r 0 0 1 3322 3 Reserve BIT 0 r 0 0 1 3322 2 Reserve BIT 2 r 0 0 1 3322 1 Nominal boat load Page 129 Is imported from DR 4 if the parameters have been imported from DR 4 into DR 3 FLOAT 4 r 0 0 3323 Refresh counter for process valu...

Page 129: ...indicates how many impulses are output per second by the pulse sensor at the design speed 8 23 7 Pulses per second Current integer value of impulses per second 8 23 8 Nominal boat load The nominal belt load is entered during initial commissioning It is the basis for generating limits DR 6 and is calculated from design flow rate design speed 8 23 9 Refresh counter for process values Measured values...

Page 130: ...Data or operating error exists BIT r 0 0 1 3504 16 5001 Command code or data record unknown BIT r 0 0 1 3504 15 5002 Command or data change not possible because write protection is active BIT r 0 0 1 3504 14 5003 Leaving calibration mode not possible BIT r 0 0 1 3504 13 5004 Command or data transmission only available in service mode BIT r 0 0 1 3504 12 5005 Command or data transmission not possib...

Page 131: ...l rounding not plausible BIT r 0 0 1 3506 6 7011 Filter parameter not plausible BIT r 0 0 1 3506 5 Reserve BIT r 0 0 1 3506 4 Reserve BIT r 0 0 1 3506 3 Reserve BIT r 0 0 1 3506 2 7016 Parameter assignment of analog output not plausible BIT r 0 0 1 3506 1 7017 MAC address cannot be changed BIT r 0 0 1 3607 16 7018 Error in IP mask BIT r 0 0 1 3607 15 7019 RS485 parameter error BIT r 0 0 1 3607 14 ...

Page 132: ...l message system 8 24 2 Modbus RTU error code The error code is displayed here of the error which was triggered last as a result of a command at the Modbus RTU interface 8 24 3 Modbus Ethernet error code The error code is displayed here of the error which was triggered last as a result of a command at the Modbus Ethernet interface 8 24 4 SIWATOOL error code The error code is displayed here of the ...

Page 133: ...ntains no of data record USHORT 2 r 33 3514 Length Data record length information USHORT 2 r 44 3515 Application Information about which application the data record belongs to USHORT 2 r 104 3516 Version identifier Information about current data record version USHORT 2 r 1 3517 Current master totalizer S1 Page 134 Master totalizer S1 since commissioning of the scale DOUBLE 8 r 0 3518 Current main ...

Page 134: ...set the total using command 670 8 25 3 Totalizer 3 S3 totalizer 4 S4 totalizer 5 S5 The totalizers respond like the main totalizer S2 In the case of trade scales requiring verification these totals can be reset without logging You can reset the totals individually to 0 using the following commands S3 using command 671 S4 using command 672 S5 using command 673 8 25 4 Totalizer 6 S6 A special proper...

Page 135: ...o USHORT 2 r 104 4002 Version identifier Information about current data record version USHORT 2 r 1 1 65635 4003 ASCII display string header Maximum length and actual length of string UBYTE 2 2 r 16 2 4004 Content of main display as ASCII string Page 135 For display of the material flow rate belt load speed totals CHAR 16 16 r 4005 8 26 1 Content of main display as ASCII string Commands are used t...

Page 136: ...g Number of implemented zeroing procedures recording of manual and automatic zeroing procedures is reset when loading the factory settings ULONG 4 r 0 4504 Counter initial zero calibration Number of implemented initial zero calibration procedures is reset when loading the factory settings ULONG 4 r 0 4506 Counter span calibration Number of implemented span calibration procedures is reset when load...

Page 137: ...IWAREX module Table 8 26 Assignment of data record 48 Variable Note Type L Rw Default Min Max Register Data record number Contains no of data record USHORT 2 r 48 6960 Length Data record length information USHORT 2 r 24 6961 Application Information about which application the data record belongs to USHORT 2 r 104 6962 Version identifier Information about current data record version USHORT 2 r 1 1 ...

Page 138: ......

Page 139: ...e sent command in its current operating state Technology errors Technology errors occur spontaneously due to the process flow of a weighing Status bits on the other hand are not messages The status displays describe the status of the scale during normal operation and can be monitored or evaluated at any time 9 2 Message paths You can read out the messages using different paths You define the path ...

Page 140: ...help of SIWATOOL menu item Read out all data records and saved together with the scale parameters This facilitates the detection analysis and correction of errors in the system 9 4 Detecting messages with the help of FB SIWA All messages of the SIWAREX module can be completely detected and processed in the controller with the help of the SIWAREX WP241 function block The messages can be evaluated d...

Page 141: ...AM error An error has occurred in the memory the memory content is no longer correct The module must be switched off If the error occurs again SIWAREX is defective 1003 Checksum incorrect parameter 1003 Checksum error at parameter Critical error because the parameters are no longer safe 1004 Checksum incorrect program 1004 Checksum error program code Critical error because the program is no longer...

Page 142: ... The data record was rejected 5003 Cannot exit service mode 5003 Cannot exit calibration mode calibration incomplete 5004 Command or data transmission only available in service mode 5004 Activation of service mode is required to execute command or transmit data 5006 Command or data transmission not possible because of BUSY 5006 Command can currently not be executed because module is BUSY data reco...

Page 143: ... in data record DR 3 are incorrect minimum distance reversal of incline 7008 Zeroing parameters are not plausible 7008 The specifications for zeroing data record DR 3 are not plausible 7010 Scale interval rounding 7010 Scale interval or selection for rounding to decimal places is not plausible 7011 Filter parameters 7011 Specification of filter parameters is not plausible 7013 Interface assignment...

Page 144: ...rvice mode is switched on LED 1 Material flow rate Max material flow rate LED 2 Belt load Max belt load LED 3 Speed Max speed LED 4 Belt is running LED 5 MIN Minimum belt load for totalizing exceeded LED 6 S Totalizing fault LED 7 Parameter input blocked write protection LED 8 Not used LED 19 LC Load cell s OK Load cell s faulty LED 10 Not used LED 11 Not used LED 12 Not used LED 13 Not used LED 1...

Page 145: ...t used LED 4 Not used LED 5 DI 0 Digital input 0 active LED 6 DI 1 Digital input 1 active LED 7 DI 2 Digital input 2 active LED 8 DI 3 Digital input 3 active LED 9 Not used LED 10 Not used LED 11 Rx Tx RS485 communication active LED 12 Not used LED 13 DQ 0 Digital output 0 active LED 14 DQ 1 Digital output 1 active LED 15 DQ 2 Digital output 2 active LED 16 DQ 3 Digital output 3 active ...

Page 146: ...Messages 9 5 Message list SIWAREX WP241 146 Manual 04 2014 A5E33713528A ...

Page 147: ... record DR 7 A data or command error is signaled if a command cannot be executed or if the sent data record is rejected Detailed descriptions of the commands can be found in the following command lists Table 10 1 Commands 1 99 Service commands Page 148 Table 10 2 Commands 450 499 Trace commands Page 150 Table 10 3 Commands 700 899 HMI display switchover DR34 ASCII display Page 150 Table 10 4 Comma...

Page 148: ... All parameters and saved data including protocol memory all totalizers including master totalizer and logbook as well as the restore point are loaded with the default values All message buffers diagnostics buffer trace memory etc are reset 12 Load standard parameters Like Load factory settings command code 11 but interface settings for Ethernet and Modbus RTU are not reset to the factory setting ...

Page 149: ...ntered in DR4 and can then be imported into DR3 using command 85 The defined number of belt revolutions in DR3 must be observed 72 Start speed measurement belt loaded The command can be used in the case of belt scales without speed sensor in order to start the speed measurement with the belt loaded preferably with nominal belt load The command should be sent at the moment when a belt marking passe...

Page 150: ...e 454 Reset trace memory Delete trace recording memory Table 10 3 Commands 700 899 HMI display switchover DR34 ASCII display Command code Command Description 701 Increased resolution Enable increased resolution on the main display and the SecureDisplay x 10 for duration of 5 s 715 Display weight Displays the weight currently present on the scale 735 Flow rate in Displays the current flow rate in o...

Page 151: ... for this If the speed is sent to the module via DR19 this command is not necessary either 1302 Reset Belt is running Informs the module that the belt is stationary The speed is set to 0 Only relevant for systems without speed sensor A digital input can also be used or parameterized for this If the speed is sent to the module via DR19 this command is not necessary either Table 10 5 Data record com...

Page 152: ...ivated by the user command 652 652 Stop totalizing Stops all totalizers except totalizer S6 Can be used for material tests which should not be included in the total balance 670 Reset main totalizer S2 Resets the main totalizer to 0 671 Reset totalizer S3 Resets totalizer 3 to 0 672 Reset totalizer S4 Resets totalizer 4 to 0 673 Reset totalizer S5 Resets totalizer S5 to 0 674 Reset totalizer S6 Res...

Page 153: ...les Additionally observe the memory requirements for the respective function block calls Table 11 1 Memory requirements of the function block FB with DS communication FB241 WP241PR Read weight and status YES Send commands YES Send parameters YES Main memory requirements in CPU 16 000 byte n x 2 020 byte Load memory requirements in CPU 202 000 byte n x 53 000 byte n number of WP241 modules The func...

Page 154: ... the SIWAREX WP241 is integrated as standard in the hardware profile as an S7 1200 technology module For TIA Portal V12 SP1 an HSP is available as download from the Siemens Customer Support Figure 11 1 Configuration in the TIA Portal HW catalog The module can be positioned directly next to the S7 1200 CPU using drag and drop Figure 11 2 Configuration with S7 1212 CPU ...

Page 155: ...nd a HW ID for every SIWAREX present in the project These two parameters are relevant for calling the function block and can be obtained from the properties of the respective module Figure 11 3 Start address of module in TIA Portal Figure 11 4 HW ID of module in TIA Portal Diagnostic interrupts can be optionally enabled or deactivated in the module properties ...

Page 156: ...ly in the control program Figure 11 5 Calling of WP241PR block in user program Function block parameter Description ADDR Start address WP241 see Creating the hardware configuration Page 154 HW_ID HW ID WP241 see Creating the hardware configuration Page 154 DB_NO Number of FB internal instance DB LIFEBIT Optional status bit can be used to monitor communication The generated instance DB DB241 in thi...

Page 157: ...boxes As shown in the graphics a command mailbox always consists of a command code Int and four bits Bool A command is set by entering the desired command code in the i_CMD_CODE parameter and setting the respective command trigger bo_CMD_TRIGGER The status bits bo_CMD_InProgress command being processed bo_CMD_FinishedOk command finished without errors and bo_CMD_FinishedError command rejected or f...

Page 158: ...using command code 1 see chapter Command lists Page 147 The variable i_CMD_CODE must therefore be assigned the value 1 and the associated bo_CMD_TRIGGER set to TRUE Subsequently the module is directly in service mode DIAG LED flashes green i_CMD_CODE 1 bo_CMD_TRIGGER TRUE Since only complete data records can be read or written it is recommendable to now read data record 3 into the CPU This is carr...

Page 159: ...Current flow rate MAIN_TOTALIZER_S2 REAL Current main totalizer S2 OPERATION_ERRORS Operating error according to Message list Page 141 TECHNOLOGICAL_ERRORS Technological errors according to Message list Page 141 DATA_CMD_ERROR_1 Data command error according to Message list Page 141 DATA_CMD_ERROR_2 Data command error according to Message list Page 141 DATA_CMD_ERROR_3 Data command error according ...

Page 160: ..._SFBError Runtime error during transmission of data record bo_RdPerError Reading of I O data failed bo_LifeBitError SIWAREX no longer responds bo_StartUpError Command was sent although StartUp is still TRUE bo_WrongFW Data record version does not match the firmware bo_InvalidCMD An invalid command code was sent bo_DataOperationError Synchronous data operation error has occurred bo_StartUp Startup ...

Page 161: ...is description is valid for communication via Modbus RTU and Modbus TCP IP The standardized MODBUS protocol is used for communication The master function is always in the connected communication partner while the SIWAREX module is always the slave Data transfer is bidirectional The master function is always in the connected module which controls the communication with corresponding requests to the...

Page 162: ...is answered by the SIWAREX module slave the SIWAREX module sends a response frame with or without errors In the case of a response without error message the response frame contains the received function code in the case of errors the highest bit of the function code is set This corresponds to the Modbus standard Afterwards the master requests the data record DR 32 to check which process related da...

Page 163: ...GGER Trigger for starting the command USHORT 911 CMD1_STATUS 0 job running 1 job finished 1 cycle USHORT 912 CMD1_QUIT 0 no error 0 error code USHORT 913 Table 11 5 Command mailbox 2 Average priority Variable Note Type Modbus registers CMD2_CODE Code of command to be executed USHORT 920 CMD2_TRIGGER Trigger for starting the command USHORT 921 CMD2_STATUS 0 job running 1 job finished 1 cycle USHORT...

Page 164: ...the belt scale Page 69 Example A parameter is to be read from data record 3 DR 3 First write register CMD3_CODE with 2003 2000 plus the number of the data record read data record Then write CMD3_TRIGGER with 1 The DR3 is then updated in the Modbus buffer memory It is now possible to read one or more registers with the corresponding variable s The data consistency of the registers read at this time...

Page 165: ...e registers with the corresponding variable If you wish to transfer the written changed registers to the scale it is necessary to write the complete data record First write register CMD3_CODE with 4003 4000 plus the number of the data record write data record Then write CMD3_TRIGGER with 1 The data record is then transferred to the process memory in the SIWAREX module All registers of the data rec...

Page 166: ...Communication 11 2 Communication via Modbus SIWAREX WP241 166 Manual 04 2014 A5E33713528A ...

Page 167: ...um current consumption 200 mA with 24 V DC Typical power loss of the module 4 5 W Power supply from SIMATIC S7 backplane bus Table 12 2 Technical specifications Power supply from SIMATIC S7 backplane bus Current consumption from S7 1200 backplane bus Typically 3 mA Analog load cell interface connection Table 12 3 Technical specifications Analog load cell interface connection Error limit to DIN1319...

Page 168: ...Hz noise suppression CMRR 80 dB Input resistance Signal cable typ 5 106 Ω Sensor cable typ 5 106 Ω 1 Relative accuracy Absolute accuracy is only reached by calibration on site with calibration standard 2 Accuracy for module replacement or theoretical calibration decisive 3 Value valid at sensor voltage drops on cables are compensated up to 5 V Analog output The set replacement value is output in c...

Page 169: ...itch Supply voltage range 19 2 V DC to 28 8 V DC Max output current per output 0 5 A ohmic load Max total current for all outputs 2 0 A Refresh rate FW 100 Switching delay typ 25 µs turn On typ 150 µs turn off RDSON 0 25 Ω Short circuit proof yes Electrical isolation 500 V AC Cable length meter Max 500 m shielded 150 m unshielded Digital inputs DI Table 12 6 Technical specifications Digital inputs...

Page 170: ...ctivated 390 Ω 220 Ω 390 Ω Electrical isolation 500 V AC Transfer protocol ASCII for remote display from Siebert and Modbus RTU Cable length 115 kbps max 1 000 m fieldbus cable 2 wire shielded e g 6XV1830 0EH10 Ethernet Table 12 9 Technical specifications Ethernet Standard IEEE 802 3 Transmission rate 10 100 Mbps determined automatically Electrical isolation 1 500 V AC Transfer protocol TCP IP Mod...

Page 171: ...operation IEC 61131 2 IEC 60068 2 27 Test Ea 150 m s2 approx 15 g half sine Duration 11 ms Quantity 3 each per axis in negative and positive direction Vibration load during transport IEC 60068 2 6 Test Fc 5 to 8 4 Hz 3 5 mm out 8 4 Hz 500 Hz 9 8 m s2 10 cycles per axis 1 octave min Shock load during transport IEC 60068 2 27 Test Ea 250 m s2 25G half sine Duration 6ms Quantity 1 000 each per axis i...

Page 172: ...uctor connection serves only a functional earth to dissipate interference currents IP degree of protection IP 20 to IEC 60529 Protection against contact with standard probe Protection against solid bodies with diameters in excess of 12 5mm No special protection against water Air gaps and creepage distances IEC 60664 IEC 61131 2 IEC 61010 1 UL 508 CSA C22 2 No 145 EN 50156 1 Overvoltage category II...

Page 173: ... Q 0 15 0 5 MHz 66 dB μV M 0 5 30 MHz 73 dB μV Q 0 5 30 MHz 60 dB μV M Emission conducted Ethernet EN 61000 6 4 0 15 0 5 MHz 53 dB μA to 43 dB μA Q 40 dB μA to 30 dB μA M 0 5 30 MHz 43 dB μA to 30 dB μA M Table 12 14 Requirements Interference immunity in industrial area in accordance with EN 61000 6 2 Comments Standard Severity class Burst pulses on power supply cables EN45501 OIML R 76 1 kV Per p...

Page 174: ...C61000 4 3 NAMUR NE21 OIML R76 EN 45501 3 80 to 2 000 MHz 12 V m Mod 80 AM with 1 kHz Note In the range of 87 to 108 MHz 174 to 230 MHz and 470 to 790 MHz 3 V m HF irradiation cell phone frequencies IEC 61000 4 3 900 MHz 5 MHz 1 89 Ghz 10 MHz 10 V m Test duration 1 minute Pulse mod 50 sampl beh with 200 Hz HF voltage on data signal and power supply cables 0 15 to 80 MHz IEC 61000 4 6 NAMUR NE21 EN...

Page 175: ... precipitation Table 12 16 Climatic requirements Comments Ambient conditions Application areas Operating temperature vertical installation in S7 1200 10 60 C horizontal installation in S7 1200 10 40 C Operation with verification capability 10 40 C Storage and transport temperature 40 70 C Relative humidity 5 95 No condensation corresponds to relative humidity RH stress level 2 to DIN IEC 61131 2 C...

Page 176: ...i dll aktprim 100 lang en referer 2f WW 2f func cslib cssearch nodeid0 4000024 viewreg WW siteid csius extranet sta ndard groupid 4000002 objaction cssearch content adsearch 2Fadsearch 2Easpx Note The currently valid approvals for SIWAREX WP241 are to be found on the module rating plate CE approval http support automation siemens com WW view de 65692972 cULus approval http support automation sieme...

Page 177: ...mens com WW view de 64722267 133300 SIWAREX WP241 Ready for use Free download from the Internet Ready for use http support automation siemens com WW view de 64722267 133100 Ethernet patch cable CAT5 To connect the SIWAREX to a PC SIWATOOL SIMATIC CPU panel etc SIWAREX JB junction box For parallel connection of load cells 7MH4 710 1BA SIWAREX EB extension box For extending load cell cables 7MH4 710...

Page 178: ...JBs for fixed laying Occasional bending is possible 10 8 mm outer diameter For ambient temperature 20 to 70 C 7MH4 702 8AG Cable Li2Y 1 x 2 x 0 75 ST 2 x 2 x 0 34 ST CY blue sheath To connect junction box JB or extension box EB in hazardous area and Ex interface Ex I for fixed laying Occasional bending is possible blue PVC insulating sheath approx 10 8 mm outer diameter For ambient temperature 20 ...

Page 179: ...nly referred to as ESD devices This is also the international abbreviation for such devices ESD modules are identified by the following symbol NOTICE ESD devices can be destroyed by voltages well below the threshold of human perception These static voltages develop when you touch a component or electrical connection of a device without having drained the static charges present on your body The ele...

Page 180: ...ted to Basic protective measures against electrostatic discharge Ensure good equipotential bonding When handling electrostatic sensitive devices ensure that your body the workplace and packaging are grounded This prevents electrostatic charge Avoid direct contact As a general rule only touch electrostatic sensitive devices when this is unavoidable e g during maintenance work Handle the modules wit...

Page 181: ... Operator Panel HW Hardware NAWI Non automatic weighing instrument NAW Non automatic scales OIML Organisation Internationale de Metrologie Legale OP Operator Panel SIMATIC PC Personal computer pT Preset tare predefined tare weight with manual taring RAM Random access memory PLC Programmable logic controller STEP 7 Programming device software for SIMATIC S7 T Tare weight TM Technology module TP Tou...

Page 182: ...List of abbreviations B 1 List of abbreviations SIWAREX WP241 182 Manual 04 2014 A5E33713528A ...

Page 183: ...Manual 04 2014 A5E33713528A 183 Index A Additional Support 12 C Customer Support Hotline 11 E ESD guidelines 179 G Guidelines ESD guidelines 179 H Hotline 11 I Internet 12 S Scope of delivery 16 Service 12 Support 12 ...

Page 184: ...Index SIWAREX WP241 184 Manual 04 2014 A5E33713528A ...

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