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Table of Contents
Troubleshooting
Summary of Contents for Hengst WGM-B
- Page 1 Oil humidity sensor WGM Operating instructions English RE 51550-B/04.2021...
- Page 2 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.
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Page 3: Table Of Contents
5.1.7.3 Switching output x: Lower switching limit (switch-back point) 5.1.7.4 Switching output x: Switch-on delay 5.1.7.5 Switching output x: Switch-back delay 5.1.7.6 Switching output x: Testing the switching output 5.1.7.7 Change display function of the status LED RE 51550-B/04.2021, Hengst Filtration GmbH... - Page 4 Maintenance and cleaning Service and repair Information on disassembly Troubleshooting and remedy Disposal Appendix General technical data Technical data WGM-B Technical data WGM-R / WGM-D Outputs WGM-B Outputs WGM-R / WGM-D Pin assignment WGM-B Pin assignment WGM-R / WGM-D Indication ranges Current settings 9.10...
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Page 5: Introduction
The sensor options offer the possibility of an analog output of the relative humidity. The threshold value of the switching point is pre-set and can only be configured ex works or via the digital interface. RE 51550-B/04.2021, Hengst Filtration GmbH... -
Page 6: Temperature Monitoring
Display option - Sensor with display WGM-R Remote display for basic option (connection only possible to basic option WGM-B-1X/2A1S-G34-V) Depending on the configuration, the WGM is equipped with different switching and analog outputs. The outputs are freely programmable. The sensor options are available with a digital interface. Here, the sensor uses the standardized technology IO-Link, a powerful point-to-point communication. -
Page 7: Type Key
Humidity sensor Option Basic option - Sensor only Display option - Sensor with display Remote display for basic option (connection only possible to basic option WGM-B-1X/2A1S-G34-V) Component series Data transmission Option B - sensor 4...20 mA; 2x analog output / 1x switching output 2A1S Option B - digital sensor;... -
Page 8: Scope Of Delivery
Indicates a dangerous situation which may cause minor or CAUTION medium personal injury if not avoided. NOTICE Damage to property: The product or the environment could be damaged. Hengst Filtration GmbH Hengst Filtration GmbH, RE 51550-B/04.2021 , RE 51550-B/04.2021... -
Page 9: Warning Signs And Symbols
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 RE 51550-B/04.2021, Hengst Filtration GmbH... -
Page 10: Safety Instructions
Hengst Filtration GmbH accepts no liability for unauthorized modifications to the device, ▶... -
Page 11: 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 humidity and heat. They must be kept in a covered, dry and dust-free room at room temperature. RE 51550-B/04.2021, Hengst Filtration GmbH... -
Page 12: Set-Up And Connection
(see technical data) must be observed and the required wire cross-sections and circuit breakers must be dimensioned accordingly. When selecting the connecting cables, the maximum admissible operating temperatures of the devices must also be observed. Hengst Filtration GmbH Hengst Filtration GmbH, RE 51550-B/04.2021 , RE 51550-B/04.2021... -
Page 13: Installation Recommendations
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. RE 51550-B/04.2021, Hengst Filtration GmbH... -
Page 14: Operation
LED 1 - yellow Humidity Status switching output 1 LED 2 - red Temperature Status switching output 2 The switching behavior of the LEDs (illuminated with closed or open switching contact) can be changed. Hengst Filtration GmbH Hengst Filtration GmbH, RE 51550-B/04.2021 , RE 51550-B/04.2021... -
Page 15: General Key Functions
▶ Exit the submenu by selecting the EXIT menu item and confirming with the key. The device returns to the superior menu or to the measured value display. RE 51550-B/04.2021, Hengst Filtration GmbH... -
Page 16: Active Key Lock
2 or 4 s: Number of switching outputs 0 or 2 a: Number of analog outputs i = standard assembly (tank installation) v: Assembly type of the device r = remote installation Hengst Filtration GmbH Hengst Filtration GmbH, RE 51550-B/04.2021 , RE 51550-B/04.2021... - Page 17 The structure of the main menus Humidity ( ) and Temperature ( ) is hUMi TeMp identical. The settings for the switching outputs or the analog outputs (if available) are made here. RE 51550-B/04.2021, Hengst Filtration GmbH...
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Page 18: Changing The Basic Settings
Before using this option, check the hazard potential within your process. Hengst Filtration GmbH is not liable for any health or material damage that may occur as a result of this setting. - Page 19 Version with 2 switching outputs: Switching outputs Basic settings h.UNI 55 c T.UNI .OUi hUMi .OU2 TeMp fasT Version with analog outputs: Analog outputs ai.hI ai.lO a.OUi a2.hI a2.lO a.OU2 Diagnostic settings: Diagnosis sj.OU OUTi Dh.MM DT.MM RE 51550-B/04.2021, Hengst Filtration GmbH...
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Page 20: Switching Off The Normal Troubleshooting
The following options are available: Degrees Degrees Celsius Fahrenheit Notice: The measured value conversion and the adjustment of the measurement range take place automatically. Nevertheless, the corresponding switching and switch-back points must be checked. Hengst Filtration GmbH Hengst Filtration GmbH, RE 51550-B/04.2021 , RE 51550-B/04.2021... -
Page 21: Defining The Switching Outputs
The display can also be switched off completely. The function of the LED remains unchanged. The following options are available: quick medium slow display off Notice: Error messages are displayed even if the display is switched off. RE 51550-B/04.2021, Hengst Filtration GmbH... -
Page 22: Activate / Deactivate Key Lock
In the submenu Advanced functions, further settings can be made for each individual switching output that e.g. influence the switching behavior of the output. Testing the output is also possible here. Hengst Filtration GmbH Hengst Filtration GmbH, RE 51550-B/04.2021 , RE 51550-B/04.2021... -
Page 23: Switching Output X: Definition Of The Switching Characteristic
T and frequency f: 1 Hz and 100 Hz is output proportional to the measured value. Notice: To increase the edge steepness of the rectangular signal, it is recommended to fit the switching output with a 10 kΩ resistor. RE 51550-B/04.2021, Hengst Filtration GmbH... -
Page 24: Switching Output X: Upper Switching Limit (Switching Point)
The set value corresponds to the lower window limit. If the switching output OUT x has been assigned the frequency ▶ output function, is displayed. The set value corresponds to the frequency 1 Hz. Hengst Filtration GmbH Hengst Filtration GmbH, RE 51550-B/04.2021 , RE 51550-B/04.2021... -
Page 25: Switching Output X: Switch-On Delay
If the switching output OUT x has been assigned the window function, the set value corresponds to the switch-on delay which detects a valid leaving of the measuring window. If the switching output OUT x has been assigned the frequency ▶ output function, this value has no effect. RE 51550-B/04.2021, Hengst Filtration GmbH... -
Page 26: Switching Output X: Testing The Switching Output
It is possible that the logic function of the display shall be different from the physical signal on the switching output. You can therefore also reverse this display in this menu item (switching output open - LED illuminated). Hengst Filtration GmbH Hengst Filtration GmbH, RE 51550-B/04.2021 , RE 51550-B/04.2021... -
Page 27: Analog Outputs
Notice: ▶ The set output range must not be smaller than 10% of the measurement range: > = 10% * ( ai.hI ai.lO ▶ If the selected range is too small, the analog value output may have increments. RE 51550-B/04.2021, Hengst Filtration GmbH... -
Page 28: Analog Output X: Assignment Of The Lower Limit
The set output range must not be smaller than 10% of the measurement range: > = 10% ai.hI ai.lO ▶ If the selected range is too small, the analog value output may have increments. Hengst Filtration GmbH Hengst Filtration GmbH, RE 51550-B/04.2021 , RE 51550-B/04.2021... -
Page 29: Analog Output X: Determining The Signal Type
Open the menu with the u key. Now you can change or call up the diagnosis settings. Important notice: Only one switching output can be logged. The switching output to be logged is selected in the menu item Set Journal Out ( sj.OU RE 51550-B/04.2021, Hengst Filtration GmbH... -
Page 30: Calling The Log Book
Troubleshooting and remedy [> page 35]). Press the u key to return to the submenu or use q to select the display Confirm the display with the u key to reset the error messages. Hengst Filtration GmbH Hengst Filtration GmbH, RE 51550-B/04.2021 , RE 51550-B/04.2021... -
Page 31: Maximum And Minimum Humidity
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. RE 51550-B/04.2021, Hengst Filtration GmbH... -
Page 32: Defining The Switching Output To Be Logged
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. Hengst Filtration GmbH Hengst Filtration GmbH, RE 51550-B/04.2021 , RE 51550-B/04.2021... -
Page 33: Wgm-B
By default, the relative humidity is represented at the analog output from 0% to 100%. The temperature is represented at the analog output from -20 °C to 120 °C. RE 51550-B/04.2021, Hengst Filtration GmbH... -
Page 34: Maintenance And Cleaning
In case an error occurs during operation, this 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:... -
Page 35: Troubleshooting And Remedy
Reduce load to admissible value (current output) Analog output does not Incorrect configuration In the submenu caNx change the output of the analog output "Testing the analog output", signal with changed input ensure normal operation signal RE 51550-B/04.2021, Hengst Filtration GmbH... -
Page 36: Disposal
G 3/4" pipe thread, Eolastic seal Max. tightening torque 20 Nm Sensor length from sealing 36 mm surface Max. flow velocity at sensor 5 m/s Media resistance Fluids based on mineral oil (other fluids on request) Hengst Filtration GmbH Hengst Filtration GmbH, RE 51550-B/04.2021 , RE 51550-B/04.2021... -
Page 37: Technical Data Wgm-B
Appendix 37/46 9.2 Technical data WGM-B Sensor option WGM-B Dimensions Ambient temperature -20 °C to + 70 °C Supply voltage (U 18 – 30 V (nominal voltage 24 V DC) Material / version Housing Stainless steel/aluminum Material in contact with 1.4301, 1.4571, 2.4478, FR4, glass... -
Page 38: Technical Data Wgm-R / Wgm-D
Ø 16 G 3/4 IO-Link IO-Link Revision 1.1 Baud rate COM3 (230.4 k) SIO mode Min. cycle time 10 ms Humidity measurement Measurement range 0 - 100% rel. humidity Accuracy ± 3 % FS Hengst Filtration GmbH Hengst Filtration GmbH, RE 51550-B/04.2021 , RE 51550-B/04.2021... -
Page 39: Outputs Wgm-B
Selectable current or voltage output (4 - 20 mA, 2 - 10 V, 0 - 10 V or 0 - 5 V) Tolerance ± 0.5% FS Load Ω = (U - 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... -
Page 40: Pin Assignment Wgm-B
40/46 Appendix 9.6 Pin assignment WGM-B 2A1S 1D0S Male/female connector 8-pin 4-pin Standard IO-Link S1 humidity I1 humidity I2 temp. 9.7 Pin assignment WGM-R / WGM-D Connector A Sensor connection socket WGM-D/ WGM-R WGM-D/ WGM-R WGM-R 2A2S 1D1S Male/female connector... -
Page 41: Indication Ranges
Percent – -100% 999% Temperature °C -100 °C 999 °C °F -100 °F 999 °F 9.9 Current settings Switching outputs Basic settings Diagnosis sj.OU h.UNI Dh.MM T.UNI DT.MM .OUi .OU2 .OU3 .OU4 Analog outputs ai.hI ai.lO a.OUi a2.hI a2.lO a.OU2 RE 51550-B/04.2021, Hengst Filtration GmbH... -
Page 42: Overview Menu Sequence
-999 - 9999 HuMi- tEMP - Err HuMi- tEMP - Err HuMi- tEMP FASt - off FASt Medi 0 - 999 Hengst Filtration GmbH Hengst Filtration GmbH, RE 51550-B/04.2021 , RE 51550-B/04.2021 Jor I - --- JorX E___ _ ; _ _ ; _... - Page 43 _ _ _ _ _ _ 0 - 100 _ _ _ _ _ _ _ _ d d t t . . M M M M _ _ _ _ _ _ 0 - 100 RE 51550-B/04.2021, Hengst Filtration GmbH...
- Page 44 Hengst Filtration GmbH Hengst Filtration GmbH, RE 51550-B/04.2021 , RE 51550-B/04.2021...
- Page 45 45/46 RE 51550-B/04.2021, Hengst Filtration GmbH...
- Page 46 Hengst Filtration GmbH Hardtwaldstr. 43 68775 Ketsch, Germany Phone +49 (0) 62 02 / 6 03-0 hydraulicfilter@hengst.de www.hengst.com Subject to change without notice Printed in Germany RE 51550-B/04.2021...
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