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Installation, connection and commissioning

18

TGH1444en/04.2011

Example: Application of a photovoltaic system encountered in practice

Fig. 4.3: Application of an VMD423-D-2 in a photovoltaic system.

VMD423

A2

4

26

A1

1

3

5

=

~

VMD423

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Содержание B 7301 0020

Страница 1: ...al safety Operating Manual VMD423 Voltage and frequency monitor for monitoring of 3 N AC systems up to 0 500 V for undervoltage and overvoltage and under and overfrequency Software version D344 V3 1x...

Страница 2: ...berg Germany Postfach 1161 35301 Gr nberg Germany Tel 49 6401 807 0 Fax 49 6401 807 259 E Mail info bender de com Web http www bender de com Dipl Ing W Bender GmbH Co KG All rights reserved Reprinting...

Страница 3: ...10 3 2 2 Automatic self test 10 3 2 3 Manual self test 10 3 2 4 Functional faults 11 3 2 5 Fault memory 11 3 2 6 Assigning alarm categories to alarm relays K1 K2 11 3 2 7 Time delays t ton and toff 11...

Страница 4: ...Clearing the fault memory 27 5 7 Calling up or leaving the menu 27 5 8 Carrying out settings in the menu 27 5 8 1 Password protection 27 5 8 2 Selecting menu items 29 5 8 3 Carrying out settings in th...

Страница 5: ...ible lo cation near to the equipment In order to make it easier for you to find specific text passages or references in this manual and for reasons of comprehensibility important information is emphas...

Страница 6: ...How to use this documentation effectively 6 TGH1444en 04 2011...

Страница 7: ...ersons are authorised to install and commission this device Electrically skilled persons are those who have the relevant education knowledge and experience as well as knowledge of the relevant safety...

Страница 8: ...l consequences All work activities on electrical installations as well as installation activities commis sioning activities and work activities with the device in operation may only be carried out by...

Страница 9: ...toring Start up delay response delay and delay on release Adjustable switching hysteresis for the voltage to be monitored r m s value measurement AC DC Digital measured value display via multi functio...

Страница 10: ...he fault memory acti vated the alarm relays do not change their actual state until the reset button R is pressed 3 2 1 Calculating the average value of overvoltage The overvoltage U2 is determined by...

Страница 11: ...t ton and toff The times t ton and toff described in the following delay the output of alarms via the LEDs and relays 3 2 8 Start up delay t Once the supply voltage Us has been switched on the alarm i...

Страница 12: ...in the alarm state When the menu item LEd is activated the alarm LED AL1 indicates that K1 is in the alarm state When AL2 lights up K2 is in the alarm state An alarm relay cannot switch to the alarm...

Страница 13: ...The fault for K1 shown in the time diagram below by way of example has started during the S AL phase The fault for K1 shown in the time diagram below by way of example started when the S AL phase has...

Страница 14: ...Function 14 TGH1444en 04 2011...

Страница 15: ...commissioning Danger of electric shock Make sure that the installation area is disconnected from any electrical source before starting installation works and that the nominal voltage and supply voltag...

Страница 16: ...rear mounting clip of the device into place in such a way that a safe and tight fit is ensured 4 1 2 Screw mounting 1 Use a tool to move the rear mounting clips a second mounting clip required see or...

Страница 17: ...vice according the wiring diagram Fig 4 2 Wiring diagram 1 2 3 Connect the conductor to the push wire ter minals according to the drawing Terminal Connections A1 A2 Connection to the sup ply voltage U...

Страница 18: ...connection and commissioning 18 TGH1444en 04 2011 Example Application of a photovoltaic system encountered in practice Fig 4 3 Application of an VMD423 D 2 in a photovoltaic system VMD423 A2 4 2 6 A1...

Страница 19: ...er generating systems must be designed in a way that they meet the requirements of DIN V VDE V 0126 1 1 2006 2 A single fault in the tripping circuit must not lead to a loss of the disconnection funct...

Страница 20: ...Hz Hysteresis frequency Hys Hz Fault memory M Operating principle K1 U U1 Asy f f S AL Operating principle K2 Err U U1 U2 Asy f f PHS S AL AL1 AL2 indicate the alarm state of K1 K2 LEd Alarm to K1 K2...

Страница 21: ...e U reached AL1 and AL2 Menu item LEd deactivated Both LEDs light when the frequency response values Hz or Hz are reached AL1 AL2 Menu item LEd activated LED Alarm 1 lit up yellow K1 signals an arbitr...

Страница 22: ...d refer to page 12 Device front Element Function R Reset button 1 5 s To delete the fault memory Down key 1 5 s Menu items values MENU MENU key 1 5 s To start the menu mode Enter key 1 5 s To confirm...

Страница 23: ...clockwise 5 Indication AREA FOR UNITS Shows the value of a unit percent asymmetryandhysteresis Hz frequency in hertz s seconds k kilo V volt 6 Indication TYPE OF VOLTAGE Shows the type of voltage 7 PA...

Страница 24: ...nction UP Call up the next display Move to the next menu sub menu or category Activate parameters Change the parameter value increase Keep key pressed for more than 1 5 seconds Carry out the manual se...

Страница 25: ...d L3 as well as asymmetry system frequency and phase sequence as well as the average val ue of U2 can be queried The flashing elements in the display indications below are highlighted as grey shaded f...

Страница 26: ...TGH1444en 04 2011 7 Query asymmetry 8 Change display indication 9 Query system frequency 10 Change display indication 11 Query phase sequence 12 Change display indication 13 Query average value of U2...

Страница 27: ...more than 1 5 seconds 5 7 Calling up or leaving the menu In order to call up the menu Keep the ENTER key pressed for more than 1 5 seconds For leaving the menu Keep the ENTER key pressed again for mo...

Страница 28: ...28 TGH1444en 04 2011 In this case we assume the response value for undervoltage is to be changed During the sequence of operation you need to confirm the password entry before carrying out the next s...

Страница 29: ...tes Hysteresis of the voltage response values Hys U Asymmetry Asy AL1 and AL2 Underfrequency Hz AL1 and AL2 Overfrequency Hz AL1 and AL2 Hysteresis of the frequency response values Hys Hz Phase sequen...

Страница 30: ...f measurement 3Ph or 3n Enable or disable password protection change password Re establish factory setting Service menu SyS blocked 4 Press the UP DOWN key to select the next menu item Query hard and...

Страница 31: ...ow 3 Keep the ENTER key pressed for more than 1 5 seconds to return to the menu item level after parameter change Menu item AL Select submenu item Activate deactivate pa rameters Change display parame...

Страница 32: ...nu item 7 Set the hystere sis for voltage response values 8 Select sub menu item 9 Set the asym metry response value 10 Select sub menu item 11 Set the response value for underfre quency Menu item AL...

Страница 33: ...overfre quency 14 Select sub menu item 15 Set the hystere sisforfrequency response value 16 Select sub menu item 17 Set the response value for phase sequence 18 Select sub menu item Menu item AL Selec...

Страница 34: ...Operation and setting 34 TGH1444en 04 2011 19 Return to menu item AL Menu item AL Select submenu item Activate deactivate pa rameters Change display parameter value Change save par am...

Страница 35: ...e as illustrated below 3 Keep the ENTER key pressed for more than 1 5 seconds to return to the menu item level after parameter change Menu item out Select submenu item Activate deactivate change param...

Страница 36: ...alarm relay K1 to N O opera tion n o 5 Setting the alarm relay K1 to N C opera tion n c 6 Select sub menu item 7 Setting the alarm relay K2 to N O opera tion n o Menu item out Select submenu item Act...

Страница 37: ...c 9 Select sub menu item 10 LEDs AL1 AL2 show the alarm status of K1 K2 11 Select sub menu item 12 Assign category device error to alarm relay K1 13 Change cate gory Menu item out Select submenu item...

Страница 38: ...1 to alarm relay K1 17 Change cate gory 18 Assignasym metry fault to alarm relay K1 19 Change cate gory 20 Assignunder frequency fault to alarm relay K1 21 Change cate gory 22 Assignoverfre quency fau...

Страница 39: ...y 26 Assign overvolt age fault2 to alarm relay K1 27 Change cate gory 28 Assign simu lated alarm to alarm relay K1 when starting the device 29 Change cate gory 30 Return to sub menu item r1 31 Select...

Страница 40: ...e error to alarm relay K2 Assignment is carried out in exactly the same way as for alarm relay K1 33 Select sub menu item 34 Return to menu item out Menu item out Select submenu item Activate deactiva...

Страница 41: ...an 1 5 seconds to return to the menu item level after parameter change Menu item t Select submenu item Activate deactivate pa rameters Change display parameter value Change save par am 1 Set the respo...

Страница 42: ...ange as illustrated below 3 Keep the ENTER key pressed for more than 1 5 seconds to return to the menu item level after parameter change Menu item SEt Select submenu item Activate deactivate change pa...

Страница 43: ...4 Disable pass wordprotection 5 Enable pass word protec tion and enter password 3 digit numerical code 6 Select sub menu item Menu item SEt Select submenu item Activate deactivate change param Change...

Страница 44: ...ective information from the text indicated on the display using the UP DOWN keys 7 Re establish factory setting The text run will appear on the display and the device will automatically reset to facto...

Страница 45: ...3 Keep the ENTER key pressed for more than 1 5 seconds to return to the menu item level after parameter change Menu item HiS Fault indication Submenu item 1 Query voltage error L1 N 2 Select fault in...

Страница 46: ...y fault overfrequency 10 Select fault indication 11 Indicate average value L2 or L3 can also be indicated 12 Select fault indication 13 To clear the fault memory 14 Select fault indication 15 Return t...

Страница 47: ...MD423 D 1 Supply voltage Us AC 16 72 V DC 9 6 94 V Frequency range Us 15 460 Hz VMD423 D 2 Supply voltage Us AC DC 70 300 V Frequency range Us 15 460 Hz Power consumption 3 5 VA Measuring circuit Meas...

Страница 48: ...ton1 2 0 300 s 0 1 s Delay on release toff 0 300 s 30 s Resolution ofsetting t ton1 2 toff 0 10 s 0 1 s Resolution ofsetting t ton1 2 toff 10 99 s 1 s Resolution ofsetting t ton1 2 toff 100 300 s 10...

Страница 49: ...at AC DC 10 V Environment EMC EMC IEC 61326 Operating temperature 25 C 55 C Classification of climatic conditions acc to IEC 60721 Stationary use IEC 60721 3 3 3K5 except condensation and formation of...

Страница 50: ...ral data Operating mode continuous operation Mounting any position Degree of protection internal components IEC 60529 IP30 Degree of protection terminals IEC 60529 IP20 Enclosure material polycarbonat...

Страница 51: ...15 460 Hz B 7301 0020 VMD423 D 1 3 N AC 0 500 V 288 V 40 65 Hz AC 16 72 V DC 9 6 V 94 V DC 15 460 Hz B 9301 0020 VMD423 D 2 push wire terminals 3 N AC 0 500 V 288 V 40 65 Hz AC DC 70 300 V DC 15 460 H...

Страница 52: ...Technical data 52 TGH1444en 04 2011...

Страница 53: ...ltmemoryintheoperatingmodeon off or con 11 Function 10 Functional faults 11 G Getting 21 H How to use this manual 5 I Indication of the alarm state of K1 K2 12 Installation and connection 15 K Key fun...

Страница 54: ...t button 22 Response delay ton 11 S S AL 12 Selecting menu items 29 simulated 12 Simulated alarm S AL 12 Single fault tolerance 19 Standard display indications 23 Starting the menu mode 22 Start up de...

Страница 55: ......

Страница 56: ...Dipl Ing W Bender GmbH Co KG Londorfer Str 65 35305 Gr nberg Germany Postfach 1161 35301 Gr nberg Germany Tel 49 6401 807 0 Fax 49 6401 807 259 E Mail info bender de com Web http www bender de com...

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