Manual
Particle Monitor
LPM-II-plus
Страница 1: ...Manual Particle Monitor LPM II plus...
Страница 2: ...es and the serial numbers are preceded with 16 LPM II O M O D G W E Product Manufacturer Walter Stauffenberg GmbH Co KG Im Ehrenfeld 4 58791 Werdohl Germany The products described are in conformity wi...
Страница 3: ...d Storage 8 2 1 Transportation and Handling Conditions 8 2 2 Storage 8 3 Warranty Limitations and Disclaimers 9 4 Product Presentation 11 4 1 Benefits 11 4 2 Product features 11 4 2 1 Moisture Sensor...
Страница 4: ...2 Fault Finding 50 7 2 1 LED Flashing Fault Codes 50 7 2 2 Test Status 51 7 2 3 Other Faults 51 7 3 Test Duration 52 8 How to Order 53 8 1 Common Features 53 9 Related Products 54 9 1 LPM Remote Disp...
Страница 5: ...ce 201 031 Date of Issue 06 November 2018 11 6 SAE AS4059 REV E Cleanliness Classification for Hydraulic fluids 74 11 7 Recommendations 75 11 8 Hydraulic System Target Cleanliness Levels 76 11 9 New I...
Страница 6: ...having the following meaning WARNING It relates to important information concerning the product its use or part of this documentation to which special attention must be paid DANGER It means that failu...
Страница 7: ...ible danger situations that may arise and takes the appropriate precautions in order to eliminate the risks of accidents in the workplace ELECTRICIAN This is any individual whose task is to carry out...
Страница 8: ...il temperatures exceeding 40 45 C it is vital to be extremely careful when handling the metal lances the hoses and when moving the unit Avoid direct contact with hot oil and with the filter body ALL E...
Страница 9: ...portation and Handling Conditions The unit is shipped in a cardboard box encased in polyurethane foam The packed weight of the LPM and accessories is 2 5kg 2 2 Storage The unit should be stored in a s...
Страница 10: ...lity This warranty extends to the original purchaser only or to the end user client of a Stauff authorised affiliate How to obtain service To obtain service under the terms of this warranty the custom...
Страница 11: ...p the product to the customer in the first instance Any damage resulting from the use of inadequate packaging will nullify Stauff obligations under this warranty Should the customer s product be damag...
Страница 12: ...ht source shines through the fluid and lands on a photodiode When a particle passes through the beam it reduces the amount of light received by the diode and from this change in condition the size of...
Страница 13: ...windows based software 4 2 2 1 Data Transfer via USB Stick The U version of the LPM allows direct download via a USB memory stick With the LPM powered up plug the USB stick into the USB connector at...
Страница 14: ...rox NAS 12 Calibration Each unit individually calibrated with ISO Medium Test Dust MTD based on ISO 11171 on equipment certified by I F T S ISO 11943 Moisture Temperature Measurement saturation RH and...
Страница 15: ...01 031 Date of Issue 06 November 2018 5 3 Physical Attributes Dimensions 123mm H x 142mm W x 65mm D Mounting 2 holes 7mm 126mm apart Weight 1 6kg Connections M16x2 hydraulic connection Seal Material M...
Страница 16: ...osity 1000 cSt Fluid temperature 25 C to 80 C Operating Flow Rate20 400ml min Maximum Pressure 420barg static For high frequency pressure pulse applications contact Stauff Differential PressureTypical...
Страница 17: ...a flow of fluid is generated within the range of the unit If there is no suitable differential pressure available then a flow controller will be needed One solution is the LPM DAV pressure compensate...
Страница 18: ...rface so as to allow data download remote control or diagnostics using the LASPAC View software This is the circular connector furthest from the hydraulic connection see figure 6 1 This carries RS485...
Страница 19: ...f Issue 06 November 2018 Figure 6 1 Connector Orientation Figure 6 2 Machine Connector External Wiring Example 6 1 2 2 DC Power DC power is connected to pins 7 and 8 of either circular connector Red a...
Страница 20: ...l is Modbus RTU Modbus is a freely available open standard for industrial control Adapters are available to interface to other industrial control busses The standard LASPAC View software from Stauff i...
Страница 21: ...as short as possible e g below 2m Normally the pre wired 3m cable available for the LPM would be used with a junction box to connect to the RS485 trunk Either individual DC supplies can be used to po...
Страница 22: ...to ensure testing only occurs when the hydraulic system is running For example the start signal could be wired to go on and off with the main hydraulic pump or with a solenoid valve that allows fluid...
Страница 23: ...t mode 6 1 2 6 Alarm Outputs These are opto isolated switches that can be used to signal external indicators PLC inputs or other equipment e g pump on off control The exact function of these outputs i...
Страница 24: ...he right to alter the specification without prior notice 201 031 Date of Issue 06 November 2018 Figure 6 7 4 20mA Example 6 1 3 Hydraulic Connection 1 High or Low Pressure Parallel Connection Figure 6...
Страница 25: ...flow that is out of range will be indicated by a fault code see section 7 2 Note Results taken with out of range flows are not logged The flow is entirely generated by the differential pressure betwe...
Страница 26: ...e the pressure drop by modifying the hydraulic system For example insert a check valve in the circuit with a 4 bar spring The component could also be a filter a restrictor or even a piece of piping if...
Страница 27: ...PM drain outlet A suitable valve is the LPM DAV see 2 1 2 but other ones can be used too This has the effect of a flow limiter maintaining a constant flow rate even with a varying inlet pressure provi...
Страница 28: ...es seem confusing note that a given colour will only ever be seen if the corresponding limit has been specifically set by the user So for example if a maximum temperature limit has not been set the vi...
Страница 29: ...onally showing the particle counts and flow rate The particle sizes and count representation are automatically matched to the selected format Format Simple View Detailed View ISO4406 1999 NAS1638 AS40...
Страница 30: ...ns between the LPM keyboard display circuit board and the sensor itself The third screen shows diagnostics related to CAN bus communications For more details refer to the separate LPM CAN bus manual G...
Страница 31: ...o 4000 tests in the memory 6 3 1 Computer Connection The connection is made using an RS485 adaptor connected to the computer or control device The LPMUSBInterface is included as a pre wired solution f...
Страница 32: ...9 To perform a test first optionally edit the Test Reference and press Apply to register the new value This is a descriptive label which can be used to identify or group the test later along with the...
Страница 33: ...ton brings up the Remote Device Settings dialogue 6 3 3 Settings The LPM can be reconfigured using the Remote Device Settings dialogue This is normally done as part of the installation or commissionin...
Страница 34: ...point then the test numbering sequence automatically resets and begins again 6 3 3 3 Test Duration The length of the test is controlled by the Test Duration see figure 6 21 for location The factory s...
Страница 35: ...the flow due to the very low number of particles passing through the flow cell To overcome this the test has to fulfil certain conditions to create a valid result It the low flow alarm has been disab...
Страница 36: ...st every 10 minutes but only log a result hourly The log interval test interval and test duration are distinct parameters that work together to control the test and data logging So that a test duratio...
Страница 37: ...rm thresholds The alarm settings are comprehensive and flexible allowing the LPM to be used in many different scenarios 6 3 3 9 1 Alarm Levels The various alarm thresholds are set in the Contamination...
Страница 38: ...ft blank NAS1638 Alarm Levels Figure 6 25 NAS1638 can be used by selecting this as the test Format The headings and boxes for the available settings change appropriately NAS1638 represents the overall...
Страница 39: ...ode sets the precise function of the two switched alarm outputs of the LPM This allows the LPM to be used in a variety of situations Note that the conditions under which the outputs are turned on are...
Страница 40: ...ng both red and green emitters which could be mounted in a control panel This external LED will then turn green amber red according to the test result in a similar way to the built in one Output 1 Gre...
Страница 41: ...tting of the LPM as is done by the Stauff LASPAC View control software All results and counts are available in all supported formats We suggest using LASPAC View to initially configure the LPM and che...
Страница 42: ...ly change the interpretation of the result codes and set limits if used Note If the format is changed then any set alarm limits must be changed too since these will refer to the old format E g a limit...
Страница 43: ...rs shown For these standards there is a complication in that they all define an additional class 00 This is an extra cleaner than class 0 class We distinguish this from 0 using the numeric value 1 Neg...
Страница 44: ...diagnostics NOTE the fault conditions are also indicated on the front panel LED while No Result in the case of a fault is indicated using special result values as previously described 6 4 1 3 3 Test...
Страница 45: ...culate contamination are provided These are two groups of 8 registers representing the Upper Limit and Lower Limit for particulate contamination These are 64 71 and 72 79 respectively These are expres...
Страница 46: ...be done externally to the LPM The CAN bus signals CANL and CANH are referred to the system 0V supply These should stay within the common mode range allowed by the ISO 11898 4 CAN bus standard relative...
Страница 47: ...dialogue shows the default CAN bus settings The LPM transmits all data using a range of message identifiers starting at that selected If the Use Defaults button is pressed the program constructs an id...
Страница 48: ...messages supported are in 11 2 See appendix 11 2 for more an example walk through and messages 6 4 3 Analogue 4 20mA Modes The LPM provides two analog 4 20mA current loop outputs A and B In order to...
Страница 49: ...t available The sequence is then repeated RH Coding The RH value is encoded according to the formula mA 6 RH 10 or RH mA 6 10 So 0 RH 6mA 100 RH 16mA max legal measurement value unavailable 24mA Tempe...
Страница 50: ...ers as currents using values designed for viewing directly on a programmable process meter There is no sync value but the final parameter stays on for 2 seconds instead of 1 To avoid confusion the RH...
Страница 51: ...te that test result 7 2 Fault Finding 7 2 1 LED Flashing Fault Codes The LPM front panel led indicates a fault by a number of white flashes with a red background The number of flashes indicates the fa...
Страница 52: ...ts to occur automatically D User has set a non zero test interval E Or fluid is totally clean no particle counts Flow alarm can be turned off by user if this is a problem for example cleaning rigs 7 2...
Страница 53: ...o reduce the product test time in a production line situation A longer test time enables the unit to average out variations in cleanliness and produce a more stable result This is especially true for...
Страница 54: ...atus LED to indicate fault conditions RS485 CANBUS 4 20mA communications Measurement in multiple international standard formats All units include 3m pre wired control cable and LASPAC View test analys...
Страница 55: ...or more details The RDU wiring details are shown in figure 6 4 Please note that the RDU cable provided must be plugged into the right hand remote connector of the LPM for it to work Please note that t...
Страница 56: ...lter the specification without prior notice 201 031 Date of Issue 06 November 2018 9 3 LPM DAV A pressure compensated flow control valve suitable for the LPM This may be needed if the application prod...
Страница 57: ...18 10 Service and Recalibration Warranty The LPM is guaranteed for 12 months from date of receipt See section 3 for further details Recalibration The LPM is recommended to be recalibrated every 12 mon...
Страница 58: ...is numbered the LPM has 125 registers Each register holds a number representing some quantity For example register number 2 holds a number indicating the LPM software revision 11 1 1 1 Register Numbe...
Страница 59: ...ture Upper C x100 signed integer 83 Limit Temperature Lower C x100 signed integer 84 85 Log Interval Seconds Unsigned 32 bit integer 86 87 Last Download Date Unsigned 32 bit integer 88 Language Unsign...
Страница 60: ...new result over temperature alarm etc In this document bits are numbered starting with bit 0 least significant bit A user programming environment such as a PLC programming system or a high level comp...
Страница 61: ...inal test to confirm target level achieved 5 RESERVED 6 RESERVED 7 SIMULATE Produces simulated test results 8 LOW_FLOW_CLEAN_DISABLED Prevents spurious low flow alarms on clean systems Table 11B Test...
Страница 62: ...gram and used to drive indicators for example Bit 11 is used internally to detect that the LPM is being controlled by Modbus from a PLC or by LASPAC View Finally bits 12 14 reflect the state of the LP...
Страница 63: ...periodically reading data from the LPM it is not intended as a general purpose Modbus implementation For a background to this section the implementer can review the Modbus source documents http www mo...
Страница 64: ...ges will hopefully be able to translate using the information provided here The LPM product ID is 0xD3DD hexadecimal or 54237 decimal This fact can be used as a check when attempting the above impleme...
Страница 65: ...ow the LPM can be connected to a PC using a USB CAN adaptor The adaptor used in this example is the PCAN USB available from Peak System Technik GmbH or a distributor We also need to make up a special...
Страница 66: ...from 50 150 ohms will work 11 2 1 2 Initial Configuration Initially we connect using the LPM USBInterface so that the LPM can be comfortably configured using LASPAC View Detailed information is provi...
Страница 67: ...Stop Testing When Clean Off Simulate Test On NOTE Simulate Test will cause fictitious test results to be generated in order to test communications and demonstrate the unit Do not forget to turn this o...
Страница 68: ...see a test result that starts high and decreases with each further test Close the Remote Control dialogue and quit the program Unplug the LPM at the circular connector 11 2 1 3 PCAN USB Software The P...
Страница 69: ...ar connector It should power up and start performing a test If everything is working after about 20 seconds you should see CAN messages similar to that shown below This shows the 2nd result received T...
Страница 70: ...on little endian byte order Table 11F CAN bus Parameters for J1939 Interoperation 11 2 2 2 Non J1939 CAN2 0B Users Taken together these imply a generic CAN base address of 0x18FFB53F Command and contr...
Страница 71: ...ple numbers The NAS1638 standard defines classes 00 and 000 these are classes cleaner than class 0 We represent these using signed integers of value 1 and 2 respectively these will appear as 255 and 2...
Страница 72: ...detect that the LPM is being controlled by Modbus from a PLC or by LASPAC View Finally bits 12 14 reflect the state of the LPM start signal input and alarm output relays 11 2 2 4 3 Message Water Senso...
Страница 73: ...e water accumulating in the system in areas of low flow This can lead to corrosion and accelerated wear Similarly fire resistant fluids have a natural water content which may be different to mineral o...
Страница 74: ...0 04 2 0 01 0 02 1 0 0 0 01 0 Figure 11 2 Figure 11 3 The International Standards Organization standard ISO 4406 1999 is the preferred method of quoting the number of solid contaminant particles in a...
Страница 75: ...253 506 1012 2025 4050 8100 16200 32400 50 100 1 2 3 6 11 22 45 90 180 360 720 1440 2880 5760 Over 100 0 0 1 1 2 4 8 16 32 64 128 256 512 1024 Table 11 1 Contamination Level Classes according to NAS1...
Страница 76: ...6 14 Motor Axial Piston Radial Piston Gear Vane 18 16 13 19 17 13 20 18 15 19 17 14 Valve Directional solenoid Pressure Control modulating Flow Control Check Valve Cartridge Valve Proportional Servo v...
Страница 77: ...s can be verified Thus if no failures have occurred the average level measured may well be one which could be made a bench mark However such a level may have to be modified if the conditions change or...
Страница 78: ...so not traceable to any national standard of measurement a critical requirement for today s quality management systems There was also an absence of formal controls over the distribution of the test du...
Страница 79: ...sely to the previous 5 and 15 m measurements This will ensure consistency in data reporting As the counts derived by microscope counting methods are not affected the particle sizes used for microscopy...
Страница 80: ...8 ACFTD ISO 4402 1991 m ISO NIST MTD ISO 11171 m c 1 4 2 2 4 6 3 5 1 4 5 8 5 6 4 6 7 1 7 7 7 8 8 4 9 9 1 10 9 8 11 10 6 12 11 3 13 12 1 14 12 9 15 13 6 16 14 4 17 15 2 18 15 9 19 16 7 20 17 5 21 18 2...
Страница 81: ...following table gives a very general comparison but often no direct comparison is possible due to the different classes and sizes involved ISO4409 1999 DEF STD 05 42 Table A Table B NAS 1638 ISO 1121...
Страница 82: ...sample was taken from Do use suitable glass bottles ideally certified clean to take samples along with a hand pump to reduce contamination ingress Do filter your system thoroughly before using it in...
Страница 83: ...Co KG Im Ehrenfeld 4 58791 Werdohl Tel 49 23 92 916 0 Fax 49 23 92 916 103 sales stauff com Globally available through wholly owned branches and distributors in all industrial countries Full contact d...
