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Hengst OPM II, Руководство по эксплуатации

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22/44 Assembly

Hengst Filtration GmbH

, OPM II, RE 51460-B/04.2021

In order to be able to measure the currents of the two analog current outputs, a load 
resistance must be connected to every output - as shown below.
Depending on the supply voltage, the load resistance should lie between 250 
and 2600 Ω.
The load resistance is defined according to the "Determination of the required load 
resistance" (see below).
Using a voltmeter, you can now measure the voltage decreasing over the resistance.

Fig. 10: Measurement of the analog current outputs 4 ... 20 mA output with load resistance

The load resistance cannot be arbitrarily selected. It must be adjusted according to 
the sensor supply voltage. 
The maximum load resistance can be calculated using the following formula or deter-
mined from the table next to it:

Table 5: Determination of the load resistance

Formula

U

(supply)

 [V]

R

max

 [Ω]

9

250

12

400

18

600

24

1000

30

1300

Analog current out-

puts (4 ... 20 mA) – 

Measurement with  

load resistance

Determination of the re-

quired load resistance

 

Содержание OPM II

Страница 1: ... Fill this space with our product fig ure Operating instructions RE 51460 B 04 2021 Replaces English Online particle monitor OPM II ...

Страница 2: ...formation given does not release the user from the obligation of own judgment and veri fication Our products are subject to a natural process of wear and aging This document as well as the data specifications and other information set forth in it are the exclusive property of Hengst Filtration GmbH It may not be reproduced or given to third parties without its consent The original operating instru...

Страница 3: ...delivery 12 5 Information on this product 13 5 1 Performance description 13 5 1 1 General information 13 5 1 2 Measuring principle 13 5 1 3 Display of the measured values 13 5 1 4 Description of the functions 14 5 2 Component overview 15 5 3 Product identification 16 6 Transport and storage 17 6 1 Transporting the online particle monitor 17 6 2 Storing the online particle monitor 17 7 Assembly 18 ...

Страница 4: ...0 9 3 7 Configuring the display 30 9 3 8 Sensor parameters 30 9 3 9 Setting the language 31 9 4 Communication interfaces 31 9 4 1 Configuration of the serial interface 31 9 4 2 Communication via USB 32 9 4 3 CAN 33 10 Maintenance and repair 37 10 1 Cleaning and care 37 10 2 Maintenance 37 10 3 Repair 37 11 Disposal 38 11 1 Environmental protection 38 12 Extension and modification 39 12 1 Optional ...

Страница 5: ...t not be commissioned until you have been provided with the documentation marked with the book symbol and you have understood and observed it Table 1 Required and amending documentation Title Document number Document type Online particle monitor OPM II 51460 Data sheet 1 3 Representation of information Consistent safety instructions symbols terms and abbreviations are used in this documentation so...

Страница 6: ...ING Indicates a dangerous situation which may cause death or severe personal injuries if not avoided CAUTION Indicates a dangerous situation which may cause minor or medium personal injuries if not avoided NOTICE Damage to property The product or the environment could be damaged 1 3 2 Symbols The following symbols indicate notices which are not safety relevant but increase the comprehensibility of...

Страница 7: ...al particle monitor based on laser technology You may use the product as follows For determining the degree of contamination of the fluid For the trend analysis of the fluid cleanliness The product is only intended for professional use and not for private use Intended use includes having read and understood this documentation completely especially the chapter 2 Safety instructions 2 3 Improper use...

Страница 8: ...sembling hydraulic and mechanical parts Commissioning hydraulic systems and assemblies 2 5 General safety instructions Observe the valid regulations on accident prevention and for environmen tal protection Observe the safety regulations and provisions of the country where the product is implemented used Exclusively use Hengst products in technically perfect condition Observe all notices on the pro...

Страница 9: ...of injury Risk of burning for eye and skin Do not remove any cover or casing at the online particle monitor Have repair works at the online particle monitor only be carried out by trained service personnel Hot surfaces at the online particle monitor Risk of injury Risk of burning Only touch oil containing surfaces with protective gloves or do not work at hot surfaces During or after the operation ...

Страница 10: ... dispose of the contaminated oil binding agent see chapter 11 Disposal Wear the protective equipment prescribed for your activity like e g gloves safety shoes 2 7 Warning and information signs at the product On the back side of the device there is an information sign specifying the laser class according to DIN EN 60825 1 Fig 1 Laser class information sign At the device side at the circumference th...

Страница 11: ...fety data sheet of the hydraulic fluid and the system manufacturer s specifications Dispose of the hydraulic fluid in accordance with the currently applicable national regulations in your country Contamination by fluids and foreign particles Early wear malfunctions Risk of damage Damage to property During assembly and disassembly of the online particle monitor provide for cleanliness in order to p...

Страница 12: ... of delivery includes 1 x online particle monitor OPM II Accessories can be optionally ordered depending on the application 1 x operating instructions More information on the accessories for the online particle monitor is contained in data sheet 51460 see chapter 1 2 Required and amending documentation ...

Страница 13: ...principle of a particle monitor 1 Laser 2 Measuring cell 3 Photo diode The laser 1 radiates through the measuring cell 2 and hits the photo diode 3 If a particle foreign particle passes through the laser beam the intensity detected by the photo diode is reduced The larger the particle foreign particle the more is the intensity reduced 5 1 3 Display of the measured values The measured values are co...

Страница 14: ...f the purity changes in the machine can be detected very quickly Due to the fast warning measures can be taken without any further serious contamination and thus possible damaging of the entire system Depending on the application conditions Hengst recommends calibration every two years The online particle monitor also measures the temperature It is not measured in the oil but on the electronic cir...

Страница 15: ...x2 Two hose lines are usually connected here by means of which the online particle monitor is connected to the fluid containing system The front side of the online particle monitor can be rotated by approx 190 so that irrespective of the assembly the display can always be positioned horizontally The SW display shows the last determined cleanliness classes as well as the time until the next measure...

Страница 16: ...460 see chapter 1 2 Required and amending documentation The following keys are used for the entire operation and programming within the menus shown in the display Using this key you can select menu entries open submenus confirm entries and go to the next figure in an entry field Using this key you can call the main menu from the measured value display move the marking downwards and reduce a figure...

Страница 17: ...ransporting the online particle monitor Ensure during transportation that the online particle monitor does not fall down Do not use the online particle monitor after it has been dropped or if the housing is damaged 6 2 Storing the online particle monitor Store the online particle monitor in a frost free room in a dry and dust free environment Drain the hydraulic fluid before storage and dispose of...

Страница 18: ...nting points M5 x 5 5 2 Bleeding opening with pressure compensation element fastened from the inside 3 2 x threaded coupling for screw connection M16 x 2 7 2 2 Installation position Please observe this information when determining the place of installation Connect the online particle monitor to a pressure line using the T branch in the bypass The flow direction is irrelevant Make sure that at the ...

Страница 19: ... Do not disconnect lines connections or components as long as the online par ticle monitor is pressurized Ensure during assembly that afterwards the display will be easily readable For simplification the display can be rotated by approx 190 Keep the connection lines as short as possible With the length of the line the risk of settlement of larger particles increases Ensure particularly with higher...

Страница 20: ...tor using the mounting points see fig 6 Dimensions on the device back side 7 3 2 Electrically connecting the online particle monitor WARNING Faulty energy supply Danger to life Risk of injury Always observe country specific regulations Design the voltage supply according to EN50178 SELV PELV VDE0100 410 A1 Use the Y distributor if a plug in power supply unit and an USB CAN adapter are to be connec...

Страница 21: ...eve protection class IP 67 only suitable connectors and cables may be used The maximum tightening torque for the connector is 0 1 Nm Carry out the current measurement using a suitable measuring device Fig 9 Measurement of the analog current outputs 4 20 mA output without load resistance The ordinal number is calculated from the current I1 and the formula in chapter 7 5 Calibration Pin assignment o...

Страница 22: ...g a voltmeter you can now measure the voltage decreasing over the resistance Fig 10 Measurement of the analog current outputs 4 20 mA output with load resistance The load resistance cannot be arbitrarily selected It must be adjusted according to the sensor supply voltage The maximum load resistance can be calculated using the following formula or deter mined from the table next to it Table 5 Deter...

Страница 23: ...ue of 4 mA corresponds to an ordinal number Zero 20 mA to the ordinal number 26 The step from one ordinal number to the next corresponds to a step of approx 0 62 mA Using the following formula you can calculate the ordinal number of the cleanliness class from the measured current Table 6 Formula Formula IOut in mA Ordinal number 4 0 12 13 20 23 7 6 Sequential data output After a start sequence S t...

Страница 24: ...GmbH OPM II RE 51460 B 04 2021 8 Commissioning After the electric and hydraulic connection the online particle monitor will immedi ately start with the measurements and indicate the first measurement results on the display after one minute ...

Страница 25: ...ltration GmbH OPM II RE 51460 B 04 2021 9 Operation 9 1 Operating concept Operate the online particle monitor using the and keys Information on the function of the individual keys is contained in chapter 5 2 Component overview ...

Страница 26: ...26 44 Operation Hengst Filtration GmbH OPM II RE 51460 B 04 2021 9 2 Menu structure Fig 13 Menu structure ...

Страница 27: ...ated and marked Time control option press once again in order to set measurement duration and waiting time Proceed as follows to set the measurement duration Press to start the entry Arrows appear at the first figure Press in order to set the first figure Press to change to the next figure Set all figures of the measurement duration in this way Confirm your entry with and press Proceed as follows ...

Страница 28: ... classes in this way If one of the alarm thresh olds is not to be considered set its value to Zero With alarm threshold 0 0 0 0 no alarm will be issued The function is deactivat ed With the measured value 0 0 0 0 the current alarm condition is maintained The switching of the alarm is signaled by the red LED and an exclamation mark on the LCD The alarm thresholds set for the standard alarm also app...

Страница 29: ...play according to ISO 4406 99 or SAE AS4059E Observe with the display according to SAE that the size classes 38 and 70 µm are not analyzed in separate channels but together with size class 21 9 3 5 Configuring the flow In addition to particle size and quantity the online particle monitor also detects the flow in order to calculate the concentration therefrom This is done if the Auto op tion is set...

Страница 30: ...ct the data transmission speed of the RS 232 interface The selected speed must comply with that of your system otherwise no commu nication will be possible Here you can select the data which is to be transmitted via the digital interface You can transmit the current measured and voltage values as well as the time You can transmit one two or all three values For the Communication Autom transm Spec ...

Страница 31: ... is no longer reached The online particle monitor will however continue measuring correctly down to a minimum flow of 50 ml min 9 3 9 Setting the language Select one of the available languages for the display of the operating menu 9 4 Communication interfaces 9 4 1 Configuration of the serial interface The online particle monitor can be read out and configured via a serial interface For this purpo...

Страница 32: ...xxxx x xxxx CR LF RID 8 Reading of the identification with subsequent check sum CRC Hydro technology Patrick SNxxxxxx xxx SW xx xx xx CRCx 1 RCon 8 Reading of the cur rent configuration Smode i Fmode i Analog i Amode i Alarm4 i Alarm 6 i Alarm14 i Alarm21 i Mtime i s Htime i s 9 4 2 Communication via USB The online particle monitor can be read out via a USB interface For this purpose you need a PC...

Страница 33: ...sion of PD01 parameters record 0 Number of entries unsigned 8 ro 05h Largest sub index 1 COB ID unsigned 32 rw 180h NodeID COB IO of PDO used range 181h 1FFh can be changed when switched off bit 30 must al ways be set means no TPDO triggered to RTR 2 Transmission type unsigned 8 rw FFh Cyclic synchronous asynchronous Values 1 240 254 255 5 Event time measurement unsigned 16 rw 1F4h Event time in m...

Страница 34: ... object to be mapped unsigned 32 co 20020208h SAE 6 μm 1 byte in 2002h sub 02 4 PDO mapping for fourth applica tion object to be mapped unsigned 33 co 20020308h SAE 14 μm 1 byte in 2002h sub 03 5 PDO mapping for fifth application object to be mapped unsigned 32 co 20020408h SAE 21 μm 1 byte in 2002h sub 04 1A02h TPD03 mapping parameters record 0 Number of entries unsigned 8 ro 05h Largest sub inde...

Страница 35: ...ed unsigned 8 ro 7 Measurement information1 unsigned 8 ro 0 Measurement in progress 1 Measurement mode auto 2 Measurement mode 1 0 3 Measurement mode manual 4 Alarm mode filter standard 8 Sensor alarm1 unsigned 8 ro 0 High laser current I 2 8 mA 1 Low laser current I 1 mA 2 High photo voltage U 4 V 3 Low photo voltage U 4 V 4 High temperature T 80 C 5 Low temperature T 20 C 2004h 0 Sensor temperat...

Страница 36: ... memory internally corresponds to the write pointer 3 Read pointer data set unsigned 32 rw Auto incremental read pointer to a data set for reading the history memory between 0 and the current write pointer 2101h 0 Memory reading starts segmented SDO data upload unsigned 16 ro Before reading a suitable pointer must be set using 2100sub3 data set size will be sent back after reading thus a standardi...

Страница 37: ...cleaning agents for the external cleaning Clean the product using a suitable cleaning liquid Use exclusively residue free industrial wipes to clean the online par ticle monitor Do not use a high pressure washer Do not use compressed air for the cleaning at functional interfaces like e g in sealing areas Use clean oil or solvents such as isopropanol to clean the cell 10 2 Maintenance If used as int...

Страница 38: ...s hydraulic fluid residues 11 1 Environmental protection Careless disposal of the online particle monitor and the hydraulic fluid could lead to environmental pollution Thus dispose of the online particle monitor and the hydraulic fluid in accordance with the national regulations of your country and or your company internal speci fications procedures Dispose of hydraulic fluid residues according to...

Страница 39: ... the product marketed by Hengst this means you are changing the condition of the product as supplied Any statements made by Hengst regarding this product will then become invalid If you have any questions please contact with hydraulicfilter hengst de directly 12 1 Optional accessories You can order optional accessories for the online particle monitor More information on the accessories is containe...

Страница 40: ... out whether the product has worked properly in conjunction with the overall system before the error occurred first Try to determine any changes of the overall system in which the product is integrated Were there any changes to the product s operating conditions or area of application Were there any changes e g refittings or have repairs been carried out at the overall system machine system electr...

Страница 41: ... of the sensor commands the com mands are case sensitive NumLock key deactivated Activate the NumLock key Incorrect or defective cable Ensure that the cable used is suitable for this application Check whether the cable is defective Identical measured values in all size classes Cause Measure Air in the oil Connect the OPM II on the pressure side Increase the distance to the pump Incorrect measureme...

Страница 42: ...d ester fluids poly alpha olefins Temperature fluid 20 80 C Fluid connections 2 x threaded coupling for screw connection M16 x 2 Admissible flow 50 400 ml min Wetted materials Stainless steel sapphire NBR Sealing material NBR Voltage supply 9 36 V DC Current consumption Max 300 mA Current outputs 4 20 mA Interfaces RS 232 CANopen Alarm contact Open collector output Electrical connection 8 pin conn...

Страница 43: ...43 44 Technical data Hengst Filtration GmbH OPM II RE 51460 B 04 2021 ...

Страница 44: ...ice Printed in Germany RE 51460 B 04 2021 For your local contact please refer to www hengst com hydraulic Hengst Filtration GmbH Hardtwaldstr 43 68775 Ketsch Germany Phone 49 0 62 02 6 03 0 hydraulicfilter hengst de www hengst com ...

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