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holthausen elektronik ESW-small-Compact Скачать руководство пользователя страница 16

holthausen

elektronik GmbH

Electronic Vibration monitoring Unit
ESW

®

-small-Compact

19. Cable connection draft

ESW

®

-small-Compact

Version without external reset

Version include external reset

ESW

®

is a registered trademark of holthausen elektronik GmbH, Wevelinghoven 38, 41334 Nettetal

16

The outlined contacts of the alarm-relays are in position: without supply voltage.
Under normal working conditions are the closer- and middle-contacts connected.

: see page 6 ´Grounding Concept

The analog signal is measured between analog output (grey) and earth (blue).

: external reset (activ by
connection to ground)

closer contact K2

middle contact K2

opener contact K2

external reset

middle contact K1

closer contact K1

+24V supply volt.

analog output

opener contact K1

ground

: middle contact K2

white

shield

brown

: middle contact K1

: closer contact K2

: ground

: +24V supply voltage

: analog output
: closer contact K1

green
pink

grey

blue

yellow

red

black

violet

: opener contact K1

: opener contact K2

wire color

case

analog ground

The outlined contacts of the alarm-relays are in position: without supply voltage.
Under normal working conditions are the closer- and middle-contacts connected.

: see page 6 ´Grounding Concept

The analog signal is measured between analog output (grey) and earth (blue).

: not connected

closer contact K2

middle contact K2

opener contact K2

middle contact K1

closer contact K1

+24V supply volt.

analog output

opener contact K1

ground

: middle contact K2

white

shield

brown

: middle contact K1

: closer contact K2

: ground

: +24V supply voltage

: analog output
: closer contact K1

green
pink

grey

blue

yellow

red

black

violet

: opener contact K1

: opener contact K2

wire color

case

analog ground

«
...
14
15
16

Содержание ESW-small-Compact

Страница 1: ...tronic Vibration Monitoring Unit ESW small Compact hol601 date 12 January 2018 technical modification possible holthausen elektronik GmbH is certified according to DIN EN ISO 9001 2015 holthausen elektronik GmbH phone 49 0 21 53 40 08 info holthausen elektronik de Wevelinghoven 38 fax 49 0 21 53 89 99 4 www holthausen elektronik de 41334 Nettetal ...

Страница 2: ...intenance page 8 9 Display and operation elements page 9 10 Measurement range switching page 10 11 Analog output page 10 12 Possible ground configurations page 10 13 Analog output settings page 11 14 Adjustment of the limiting values page 11 15 Example to adjust the limit value page 12 16 Optional alarm memory page 12 17 Self test page 12 17 1 Automatic self test in the background page 13 17 2 Sel...

Страница 3: ...ption of proper procedures and those described in these operation instructions lead to forfeit of guarantee and exclusion from liability The device is solely intended for the usage as described below It is particularly not intended for the direct or indirect protection of persons holthausen elektronik GmbH assumes no liability whatsoever as regards suitability for some specific purpose If any ques...

Страница 4: ...oo small value Powerful noise sources for instance inverters in direct closeness of the sensor electronics or cabling can result in faulty behaving of the apparatus Potential differences and balance currents in the mass guidance can result in faulty behaving too The connection cable is resistant against many but not every type of chemical and mechanical stress Through a damaged cable chemicals cou...

Страница 5: ...can be used as an aid for adjustment when setting the threshold values G1 and G2 If the measured value crosses a threshold value the corresponding alarm relay is switched after the expiry of a permanently set response delay period If the measured value falls below the threshold value the alarm is cancelled after the expiry of the release delay period The response delay and the release delay depend...

Страница 6: ...ifferences could also arise on machines with small distances not clear crossing of ground potential for example painted color or movable parts like suspension mounting Energetic high frequency interference energy could be added to the measurement signal wire by inductivity or trough capacity that could change the real existing measurement value In this way for example parallel going elements could...

Страница 7: ...l Compact will be mounted via one threaded pin AM10 25 per DIN 913 on the machine to be monitored Important 1 Measuring axis has to be coinciding with vibration excitation axis see case drawing page 17 2 Take note of the label with instruction notes 3 The surface has to be plain clean and free of paint and rust 4 The tap hole has to be perpendicular to the surface and free of metal cuttings or oth...

Страница 8: ...is brittle deformed damaged or already a few month in use Please pay attention that the thread and the interior room is oil and dirt free Cleaning around and inside the unit should be done only with clean and dry cloth The closing and the sealing of the unit is done after app seven pitches of cover nut thread and ensured via the M2 screw Advises for dismantling Before dismantling the measurement u...

Страница 9: ...s switched LED3 green on Operating voltage on green flashes Self test active or error code signal Operating elements P1 Potentiometer for setting Limit value G1 10 bis 100 P2 Potentiometer for setting Limit value G2 10 bis 100 S1 Self test inactive OFF Self test activated ON S2 Analog output corresponds to measured value OFF Set Mode Analog output corresponds to limit value ON S3 switcher for the ...

Страница 10: ... non specified measuring range would then be set Meaduring range Switch Position S5 S6 10mm s OFF OFF 20mm s OFF ON 50mm s ON OFF 11 Analog output As the output value will be submitted constant current by voting 0 to 20mA or 4 to 20mA The selection occurs by switching over of switch S4 An output current of 20mA meets the 100 value of the selected measurement range In the setting of 0 to 20mA is th...

Страница 11: ...e rise time delay for G2 exceeded then K2 is switched Rest the measured value just from time to time over the limit value so counts the activation delay time after each overstepping of the limit value once more A short overstepping of the limit values is shown by flashing of the yellow LED for G1 and the red LED for G2 If threshold value 1 is set in the SET mode the green LED lights up and the yel...

Страница 12: ...of the alarm relay K1 and or K2 the unit will remain in the alarm status until an external and manually reset will be activated This feature is used in such cases where the vibration control unit is mounted on unreviewable and difficult accessible places Through this advanced memory function every alarm is registered Because of variable mounting of one or more parallel connected reset buttons it i...

Страница 13: ... contact are outputted The self test is activated by means of switch S1 in the device ON and is visually indicated by the flashing green LED The entire test takes a few seconds Next a current of exactly 4 mA must be measurable for 2 s at the analog output Later the sensor is disconnected internally and the following analog levels are checked using a test signal The values measured by the processor...

Страница 14: ...not go back to their idle state and the self test can no more be terminated by resetting S1 In addition the green LED flashes four times briefly and a fault current of 22mA can be measured at the analog output The test continues further when the cause of the error is remedied Function Switch position S1 Self test ON ON Self test OFF OFF 17 3 Self test on starting optional The tests running automat...

Страница 15: ...Electronic Vibration monitoring Unit ESW small Compact 18 Housing size in mm with optional ground on earth terminal Case material Aluminium V2A or V4A The unit will be mounted via one threaded pin AM10 25 per DIN 913 15 picture 1 ...

Страница 16: ...pener contact K1 ground middle contact K2 white shield brown middle contact K1 closer contact K2 ground 24V supply voltage analog output closer contact K1 green pink grey blue yellow red black violet opener contact K1 opener contact K2 wire color case analog ground The outlined contacts of the alarm relays are in position without supply voltage Under normal working conditions are the closer and mi...

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