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Set-up and connection 13/46

RE 51550-B/04.2021,

Hengst Filtration GmbH

The display units mounted on a flange can be rotated about 270° around the vertical
axis for better readability of the display.
Please observe the integrated twisting stop. When the stop is reached, you will feel
an increased resistance. Turning beyond this stop can damage the display unit.

4.1.1 Installation recommendations

For the humidity sensor to function properly, ensure that the sensor element is fully
and permanently immersed in the medium.
The sensor is suitable for lateral tank installation if installed below the minimum
filling level. In the event of return line installation ensure that the maximum flow
velocity is not exceeded.
With the

WGM-R

option, the remote display is mounted onto a profile rail.

4.2 Electrical connections

Voltage supply is provided via plug-in connectors. For installation dimensions,
nominal voltage and pin assignment, please refer to the attachment.
The switching outputs are designed as PNP transistors (see figure):

Fig. 1: Circuitry of switching outputs

Notice

: When measuring the switching output with high-impedance measuring

device inputs or using it as a frequency output, a 10 kΩ resistor must be connected
between the output and the ground (GND) to prevent incorrect measurements.

Supply voltage

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Содержание WGM-B

Страница 1: ...Operating instructions RE 51550 B 04 2021 English Oil humidity sensor WGM ...

Страница 2: ...r from the obligation of own judgment and verification Our products are subject to a natural process of wear and aging All rights with Hengst Filtration GmbH also in case of applications for industrial property protection It may not be reproduced or given to third parties without consent of Hengst Filtration GmbH The cover shows an example configuration The product supplied may therefore differ fr...

Страница 3: ... 3 General key functions 15 5 1 4 Active key lock 16 5 1 5 Menu overview 16 5 1 6 Changing the basic settings 18 5 1 6 1 Restore factory settings reset 18 5 1 6 2 Switching off the normal troubleshooting 20 5 1 6 3 Defining the unit for humidity 20 5 1 6 4 Defining the unit for temperature 20 5 1 6 5 Defining the switching outputs 21 5 1 6 6 Setting the update rate of the display 21 5 1 6 7 Activa...

Страница 4: ...efining the switching output to be logged 32 5 1 9 6 Delay to min max storage of humidity 32 5 1 9 7 Delay to min max storage of the temperature 32 5 2 WGM B 33 5 2 1 Switch on procedure 33 5 2 2 Parameter settings 33 5 2 3 Factory setting 33 5 2 4 Switching outputs 33 5 2 5 Analog outputs 33 6 Maintenance and cleaning 34 7 Service and repair 34 7 1 Information on disassembly 34 7 2 Troubleshootin...

Страница 5: ...f the oil saturation Furthermore the temperature is recorded to be able to correct the values Water activity is given as a factor between 0 and 1 Multiplied by 100 we get the relative humidity or the saturation in percent The critical limit of saturation depends on several plant specific parameters The main advantage however is the permanent monitoring of humidity and temperature This enables the ...

Страница 6: ...he corresponding configuration tools When replacing the sensor all parameters already set can be transferred to the new sensor The sensor includes an electronic device description the so called IODD file The IODD file contains all the information required for system integration The file can be downloaded from the download area at https ioddfinder io link com Further information can be found at www...

Страница 7: ...splay IO Link 1x switching output 2A2S 1D1S Connection 05 Thread G 3 4 G34 Option R Remote display without connection 0 Seal 06 FKM V Option R Remote display without seal 0 Accessories Designation Connecting cable for remote display M12x1 8 pin length 3 0 m angle coupling and straight connector ZWGM connecting cable for remote R928058029 Connecting cable IO Link M12x1 4 pin Length 5 0 m angled cou...

Страница 8: ... avoidance must be observed Safety instructions are set out as follows SIGNAL WORD Type and source of danger Consequences in case of non compliance Hazard avoidance measures Enumeration Warning sign draws attention to the danger Signal word identifies the degree of danger Type and source of danger specifies the type and source of danger Consequences describes the consequences in case of non compli...

Страница 9: ...ols are used Symbol Meaning Warning General danger Warning High voltage Warning Inhalation hazard toxic gas Warning Corrosive liquids General information Disconnect mains plug Wear respiratory protection Wear face shield Wear gloves If this information is not observed the product cannot be used and or operated optimally Individual independent action ...

Страница 10: ...the right to change the performance specification or design data without prior notice Keep the instructions for future use 2 2 General hazard notes The device may only be installed by specialists who are familiar with the safety requirements and the risks It is imperative that you observe the safety regulations relevant to the place of installation and the generally applicable rules of technology ...

Страница 11: ...devices Do not use cleaning agents that can damage the materials used DANGER Toxic corrosive gases liquids Protect yourself from toxic corrosive gases liquids during all work Wear appropriate protective equipment 3 Transport and storage The products should only be transported in their original packaging or a suitable replacement When not in use the operating equipment must be protected against hum...

Страница 12: ...essures Provide suitable measures for prevention 4 1 Assembly Before installing the device make sure that the plant is depressurized otherwise liquid may escape If necessary use a collecting container The WGM is delivered completely assembled and can be screwed into the pipeline with the thread Make sure that the sensor part is always completely surrounded by the medium in order to display correct...

Страница 13: ...al tank installation if installed below the minimum filling level In the event of return line installation ensure that the maximum flow velocity is not exceeded With the WGM R option the remote display is mounted onto a profile rail 4 2 Electrical connections Voltage supply is provided via plug in connectors For installation dimensions nominal voltage and pin assignment please refer to the attachm...

Страница 14: ...nit is described below Fig 2 Switch on procedure If an error message appears in the display during operation please refer to the table Troubleshooting in chapter Service and Repair 5 1 2 LED status displays LEDs above the measured value display indicate the status of the switching outputs The LEDs are permanently assigned to the switching outputs The following table shows the factory settings for ...

Страница 15: ... menu Scroll menu item numerical value or function selection downwards When holding down the key this is done continuously q u In the menu Exit the main menu submenu optional menu and return to the measured value display without saving the changed parameters p u In the menu Change to the next higher menu level 60 s no action In the menu Exit the main menu submenu optional menu Proceed as follows t...

Страница 16: ...e key lock by resetting the code in the menu item lOC in the submenu Basic settings Advanced functions B ef by entering 000 5 1 5 Menu overview The structure of the menu is based on the VDMA standard sheet 24574 1 The menu has a hierarchical structure The top menu level contains the main menu items e g hUMi TeMp B ef DIa e Each main menu contains further submenu items The menu items can vary depen...

Страница 17: ... is not available Example If a 0 the menu items for setting the analog output are not available You can then skip the description of these items The structure of the main menus Humidity hUMi and Temperature TeMp is identical The settings for the switching outputs or the analog outputs if available are made here ...

Страница 18: ...e display as well as the adjustment options in the various main menus The assignment of the switching outputs can also be changed here Press the q key to enter the main menu Select the menu item B ef with the q and p keys and open the menu with the u key NOTICE Switching off the normal troubleshooting Switching off the normal troubleshooting and error assessment is the factory setting and under ce...

Страница 19: ...monitoring DIs Update rate of the display lOC Key lock sj OU logged switching output Dh MM Delay for recording the minimum maximum humidity DT MM Delay for recording the minimum maximum temperature Notice In the case of customer specific requirements the default settings made at the factory may deviate from the values listed here Version with 2 switching outputs Switching outputs Basic settings sp...

Страница 20: ...the normal troubleshooting Important notice If the measuring range is exceeded or sensor errors occur the measured value is frozen and all six LEDs in the status bar flash When the measured value is within the valid range again the LEDs stop flashing and the display is updated normally 5 1 6 3 Defining the unit for humidity Here the displayed unit symbol for the humidity is defined The following o...

Страница 21: ...s a normally closed contact which opens when the range is exceeded or another error state However the LED assigned to the output is generally not activated as all 6 LEDs in the status bar flash when an error occurs If a switching output is defined as an error indicator it is no longer available in the normal switching output settings 5 1 6 6 Setting the update rate of the display The update rate o...

Страница 22: ...ition to the right At the end confirm the code with the u key The device returns to the submenu Notice Release the keyboard lock by entering 000 5 1 7 Switching outputs All switching outputs are set in the same way The number of the switching output is therefore represented by x Call up the switching output to be set via the menu of the corresponding measurement The assignment of the switching out...

Страница 23: ...hen the value falls below the switch back point rPx See also the explanations in the drawing below Window function Normally open or normally closed contact function that defines a signal window When the measuring window is reached the output signal is set when leaving the measuring window it is deleted again Window function as normally open contact Here normally open contact fNO means that the PNP...

Страница 24: ... Basic settings advanced functions If the switching output OUT x has been assigned the window function is displayed The set value corresponds to the upper window limit If the switching output OUT x has been assigned the frequency output function is displayed The set value corresponds to the frequency 100 Hz 5 1 7 3 Switching output x Lower switching limit switch back point The lower switching limi...

Страница 25: ...signed the window function the set value corresponds to the switch on delay which detects a valid reaching of the measuring window If the switching output OUT x has been assigned the frequency output function this value has no effect 5 1 7 5 Switching output x Switch back delay The switch back delay is set in the following menu The following options are available Setting range 0 100 seconds Delay ...

Страница 26: ...mportant notice When the test is complete set the function to normal operation N Op 5 1 7 7 Change display function of the status LED The switching status of the output is indicated by the LEDs in the display The assignment of the LEDs to the switching output is shown in the following table Numbering LED Switching output x Assignment with 2 switching outputs 1 Reserved for IO Link 2 LED 2 red 3 Re...

Страница 27: ...s LED affects the recording of events Please refer to the chapter Diagnosis options 5 1 8 Analog outputs 5 1 8 1 Models with analog output In the factory setting the analog output signal increases with increasing humidity Range adjustment and signal type are adjustable via the menu 5 1 8 2 Analog output x Assignment of the upper limit Humidity Assignment of the humidity level where the maximum ana...

Страница 28: ...ity Assignment of the humidity level where the minimum analog signal will be output The setting is made in the menu The following options are available Setting range 0 to 100 Notice The set output range must not be smaller than 10 of the measurement range ai hI ai lO 10 0 100 If the selected range is too small the analog value output may have increments Temperature Assignment of the temperature le...

Страница 29: ...ue Output smallest analog value Important notice When the test is complete set the function to normal operation N Op 5 1 9 Diagnosis options The device is able to log the events for a switching output Whenever the LED is illuminated this is considered an event Thus the recording of the switching processes depends on the setting of the switching function of the LED The settings and the evaluation c...

Страница 30: ...x of the entry x is displayed alternating with the time e g jORi 1 4 for the most recent event 1 4 hours ago Press the u key to return to the submenu or use q p to select the next log entry Pressing the u key to confirm the display clears the event list and returns to the submenu Notice If no events have been recorded the display changes between jORx and NON 5 1 9 2 Calling the error log book Erro...

Страница 31: ...to select the next log entry Pressing the u key to confirm the display clears the event list and returns to the submenu 5 1 9 4 Maximum and minimum temperature Here the stored maximum and minimum temperature is displayed or deleted The log entries are displayed in the following manner Maximum value of the temperature max value reached x hours days ago time Minimum value of the temperature min valu...

Страница 32: ...seconds in which the signal must be permanently present before the humidity is logged is specified here The following options are available Setting range 0 100 seconds Open the value list with the u key Set the value with the q and p keys and confirm with the ukey e g 5 seconds The device returns to the submenu 5 1 9 7 Delay to min max storage of the temperature In order to record reliable values ...

Страница 33: ... back point 0 0 Temperature unit C Characteristic Hysteresis as normally closed contact Hnc Assignment switching output Humidity 5 2 4 Switching outputs The sensor is equipped with a switching output which is assigned to the humidity The threshold value is pre set to 80 The switching function is designed as a normally open contact This switching output can be configured ex works or via the digital...

Страница 34: ...is chapter contains information on troubleshooting and remedy Repair works on the operating equipment may only be carried out by personnel authorized by Hengst Filtration GmbH If you have any questions please contact our service department Phone 49 0 62 02 6 03 0 or your responsible representation If the device does not function correctly after remedy of any faults and after switching on the mains...

Страница 35: ... Possible errors Problem fault Possible cause Remedy Switching output does not switch when limit values are exceeded Incorrect configuration of the switching output In the submenu cOUx Testing the switching output ensure normal operation Defect on the switching output In the submenu cOUx Testing the switching output test the desired switching status Switching output permanently switches through In...

Страница 36: ...of electronic components and devices observe the legal regulations in the country of use 9 Appendix 9 1 General technical data Technical data Operating pressure max 50 bar Medium 20 C to 80 C Threaded connection G 3 4 pipe thread Eolastic seal Max tightening torque 20 Nm Sensor length from sealing surface 36 mm Max flow velocity at sensor 5 m s Media resistance Fluids based on mineral oil other fl...

Страница 37: ...ith fitted plug in connector IO Link IO Link Revision 1 1 Baud rate COM2 38 4 k SIO mode Yes Min cycle time 20 ms Humidity measurement Measurement range 0 100 rel humidity Accuracy 3 FS Analog output 4 20 mA 0 100 relative humidity Tolerance 0 5 FS Load Ω UB 8 V 0 02 A Switching output for humidity PNP switching output 1 Permanently set to 80 relative humidity Switching current max 0 2 A 1 Others ...

Страница 38: ...oltage UB 18 30 V DC nominal voltage 24 V DC Ambient temperature 20 C to 70 C Display resolution 0 5 0 5 C F Version WGM R Remote display for sensor Dimensions Fastening 35 mm profile rail mounting 90 39 40 53 105 Weight approx 130 g without sensor Display housing PA Protection class IP65 display with fitted plug in connector Version WGM D with built on sensor Dimensions Fastening G 3 4 141 Ø16 G ...

Страница 39: ...1 5 FS Analog output Selectable current or voltage output 4 20 mA 2 10 V 0 10 V or 0 5 V Tolerance 0 5 FS Load Ω UB 8 V 0 02 A 9 4 Outputs WGM B Version 2A1S 1D0S Connector base 1 x M12 8 pin 1 x M12 4 pin Switching output fixedly set X IO Link X Analog output for humidity X Analog output for temperature X 9 5 Outputs WGM R WGM D Version 2A2S 1D1S Connector base Display remote 1 x M12 8 pin 1 x M1...

Страница 40: ... pin 4 pin Standard IO Link Pin 1 L L 2 L 3 S1 humidity L 4 C Q 5 6 I1 humidity 7 I2 temp 8 9 7 Pin assignment WGM R WGM D Connector A Sensor connection socket WGM D WGM R 2A2S WGM D WGM R 1D1S WGM R Male female connector 8 pin 4 pin 8 pin Standard IO Link Pin 1 L L L 2 L DO S2 L 3 S1 humidity L 4 C Q 5 I2 temp 6 I1 humidity I1 humidity 7 I2 temp I2 temp 8 ...

Страница 41: ...nit Humidity Percent i 100 999 Temperature C c c 100 C 999 C F f f 100 F 999 F 9 9 Current settings Switching outputs Basic settings Diagnosis spi Rpi eRR sj OU Dsi DRi OUi h UNI Dh MM sp2 Rp2 T UNI DT MM Ds2 DR2 OU2 R OUi sp3 Rp3 R OU2 Ds3 DR3 OU3 R OU3 sp4 Rp4 R OU4 Ds4 DR4 OU4 DIs Analog outputs lOC ai hI ai lO a OUi a2 hI a2 lO a OU2 ...

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Страница 44: ...Hengst Filtration GmbH Hengst Filtration GmbH RE 51550 B 04 2021 RE 51550 B 04 2021 ...

Страница 45: ... 45 46 RE 51550 B 04 2021 Hengst Filtration GmbH ...

Страница 46: ...Subject to change without notice Printed in Germany RE 51550 B 04 2021 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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