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Power in electrical safety

Operating Manual

VMD423H

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: D345 V3.1x

TGH1445en/04.2011

Содержание B 7301 0022

Страница 1: ...l safety Operating Manual VMD423H 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 D345 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: ...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 the menu item AL 31...

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 TGH1445en 04 2011...

Страница 7: ...lly skilled persons 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 rel...

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: ...sponse 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 functional LC display LEDs Powe...

Страница 10: ...i vated the alarm relays do not change their actual state until the reset button R is pressed Also in the event of complete power failure of the system being monitored the delay times are effective du...

Страница 11: ...gned to the alarm relays K1 K2 via the menu out For details about alarm category assignment to the respective re lays refer to the submenu out description on page 37 3 2 7 Time delays t ton and toff T...

Страница 12: ...istory memory The first alarm value to occur is saved in this memory Subsequent alarms do not overwrite this old value The memory can be cleared using the Clr key in the menu HiS This function is not...

Страница 13: ...simulated alarm Faults at the measuring input and the resulting condition of the alarm relay K1 K2 are shown as a hatched area The fault for K1 shown in the time diagram below by way of example has st...

Страница 14: ...Function 14 TGH1445en 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: ...unting 1 Snap the 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 cli...

Страница 17: ...device Connect the device 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 L1 L2 L3 N Connectio...

Страница 18: ...hotovoltaic system encountered in practice Fig 4 3 Application of an VMD423 D 2 in a photovoltaic system Connect the terminals L1 L2 L3 of the VMD423H always to the supply side of the system to be mon...

Страница 19: ...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 20: ...Installation connection and commissioning 20 TGH1445en 04 2011...

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: ...TGH1445en 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 TGH1445en 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: ...Overvoltage U2 AL1 10 minutes 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...

Страница 30: ...ice control Select method of 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 nex...

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 TGH1445en 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: ...Measuring circuit Measuring range r m s value L N AC 0 288 V Measuring range r m s value L L AC 0 500 V Rated frequency fn 40 65 Hz Frequency range 25 100 Hz Response values Type of distribution syst...

Страница 48: ...ms Response time tan tan tae ton1 2 Discharging time energy backup on power failure 2 5 s Charging time energy storage 60 s Recovery time tb 300 ms Displays memory Display LC display multi functional...

Страница 49: ...formation of ice Transportation IEC 60721 3 2 2K3 except condensation and formation of ice Long time storage IEC 60721 3 1 1K4 except condensation and formation of ice Classification of mechanicalcond...

Страница 50: ...Degree of protection internal components IEC 60529 IP30 Degree of protection terminals IEC 60529 IP20 Enclosure material polycarbonate Flammability class UL94 V 0 DIN rail mounting acc to IEC 60715 Sc...

Страница 51: ...if the device is different from the standard version Device type Nominal voltage Un Art No VMD423H D 3 push wire terminals 3 N AC 70 500 V 288 V 40 65 Hz B 7301 0022 VMD423H D 3 3 N AC 70 500 V 288 V...

Страница 52: ...Technical data 52 TGH1445en 04 2011...

Страница 53: ...ower failure 48 E Enter key 22 F Factory setting 12 19 Faultmemoryintheoperatingmodeon off or con 11 Function 10 Functional faults 11 G Getting 21 H How to use this manual 5 I Indication of the alarm...

Страница 54: ...Preset function 10 Q Querying values 25 R Reset button 22 Response delay ton 11 S S AL 12 Selecting menu items 29 simulated 12 Simulated alarm S AL 12 Standard display indications 23 Starting the menu...

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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