Manual
EN
VMD420-DM
Voltage and frequency monitor
for monitoring of 3(N)AC systems up to 0…500 Vfor undervoltage and overvoltage and under and overfrequencySoftware version: D238 V2.2x
VMD420-DM_D00227_01_M_XXEN/07.2015
Page 1: ...VMD420 DM 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 D238 V2 2x VMD420 DM_D00227_01_M_XX...
Page 2: ...g Germany Postfach 1161 35301 Gruenberg Germany Tel 49 6401 807 0 Fax 49 6401 807 259 Email info bender de www bender de Bender GmbH Co KG All rights reserved Reprinting only with permission of the pu...
Page 3: ...eset function 10 3 2 2 Automatic self test 11 3 2 3 Manual self test 11 3 2 4 Functional faults 11 3 2 5 Fault memory 11 3 2 6 Start up delay t 12 3 2 7 Password protection on OFF 12 3 2 8 Factory set...
Page 4: ...ng up or leaving the menu 26 5 8 Carrying out settings in the menu 26 5 8 1 Selecting menu items 26 5 8 2 Carrying out settings in the menu item AL 28 5 8 3 Carrying out settings in the menu item out...
Page 5: ...mbols The meaning of these symbols is explained below The signal word indicates that there is a high risk of danger that will result in electrocution or serious injury if not avoided This signal word...
Page 6: ...How to use this documentation effectively 6 VMD420 DM_D00227_01_M_XXEN 07 2015...
Page 7: ...sed 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 stand ards and who...
Page 8: ...shock Unprofessionalworkactivities on electrical installations may result in a threat of danger to life and limb All work activities on electrical installations as well as installation activities comm...
Page 9: ...ating value Cyclical self monitoring Internal test reset button Two separate alarm relays one changeover contact each N C or N O operation and fault memory behaviour selectable Password protection for...
Page 10: ...alue overfrequency f at 16 7 Hz 50 Hz 60 Hz fn 1 Hz Response value overfrequency f at 400 Hz fn 1 Hz Response value underfrequency f at 16 7 Hz 50 Hz 60 Hz fn 1 Hz Response value underfrequency f at 4...
Page 11: ...itored and later every hour During the self test internal functional faults are detected and will appear in form of an error code on the display 3 2 3 Manual self test Pressing the test button for 1 5...
Page 12: ...eset function allows automatic adaptation of the response values in relation to the nominal voltage Un 3 2 9 Erasable history memory The first alarm value to occur is saved in this memory Subsequent a...
Page 13: ...500 V L1 500 V voltage L1 adjustable in the range of 7 500 V L2 500 V voltage L2 adjustable in the range of 7 500 V L3 500 V voltage L3 adjustable in the range of 7 500 V ASY 50 asymmetry adjustable i...
Page 14: ...Function 14 VMD420 DM_D00227_01_M_XXEN 07 2015...
Page 15: ...ake sure that the voltage monitor is in the delivery status factory set ting has not been changed 3 When the conditions 1 and 2 are satisfied you can connect the voltage monitor to the three phase sys...
Page 16: ...2 appears on the display Use the UP and DOWN keys to query other parameters phase to phase voltage L2 L3 phase to phase voltage L1 L3 asymmetry system frequency phase sequence For detailed information...
Page 17: ...e lower part marked by an arrow 2 Snap the rear mounting clip of the device into place in such a way that a safe and tight fit is ensured 4 2 2 Screw fixing 1 Use a tool to move the rear mounting clip...
Page 18: ...ing diagram 1 2 3 M A mA V Connect the conductor to the push wire terminals according to the drawing Terminal Connections A1 A2 Connection to the supply voltage Us L1 L2 L3 N Connection to the system...
Page 19: ...standard system of Un 400 V 50 Hz the response values are automatically set by the internal preset function Overvoltage 440 V 400 V 10 50 Hz 1 Hz Undervoltage 340 V 400 V 15 50 Hz 1 Hz Otheroperatingr...
Page 20: ...Hysteresis U Underfrequency Hz Overfrequency Hz Hysteresis frequency Hys Hz Fault memory M Interface type 100 reference Asymmetry Phase sequence monitoring Start up delay Method of measurement Passwor...
Page 21: ...ceeded 3 LED ALARM 2 Lights when the response value of undervoltage is exceeded LEDs AL1and AL2 Light when the response values over frequency and underfrequency are reached 4 DISPLAY Displays informat...
Page 22: ...conductor is active 4 DISPLAY PHASE SEQUENCE R clockwise L anticlockwise 5 DISPLAY AREA FOR UNITS Displays the value of a unit per cent asymmetry and hysteresis Hz frequency in hertz s seconds k kilo...
Page 23: ...symbol Function 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...
Page 24: ...between L1 and L3 L2 and L3 as well as asymmetry system frequency and phase sequence can be queried The flashing elements in the display indications below are highlighted as grey shaded fields Query D...
Page 25: ...rnal functional faults are detected and are indicated as error codes on the display In order to start the self test manually 1 Keep the test button T UP pressed for more than 1 5 seconds 7 Query asymm...
Page 26: ...han 1 5 seconds to call up the menu Menu items for different settings are available Some menu items consist of several submenu items The UP DOWN keys can be used to navigate through the menu items Kee...
Page 27: ...u AnA 2 Press the UP DOWN key to select the next menu item Setting the start up delay t 3 Press the UP DOWN key to select the next menu item Setting the parameters for device control Select method of...
Page 28: ...5 seconds to return to the menu item level after parameter change Query stored alarm values 6 Press the UP DOWN key to select the next menu item Move to the next higher menu level return Menu item AL...
Page 29: ...or overvoltage 4 Select sub menu item 5 Set the hys teresis for voltage response val ues 6 Select sub menu item 7 Set the asym metry response value 8 Select sub menu item Menu item AL Select submenu i...
Page 30: ...re quency 10 Select sub menu item 11 Set the response value for overfre quency 12 Select sub menu item 13 Set the hys teresis for fre quency response value 14 Select sub menu item Menu item AL Select...
Page 31: ...D00227_01_M_XXEN 07 2015 15 Set the response value for phase sequence 16 Select sub menu item 17 Return to menu item AL Menu item AL Select submenu item Activate deacti vate parameters Change dis play...
Page 32: ...ange as illustrated below 2 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 deacti vate change p...
Page 33: ...0 20 mA 5 Change parameter 6 Select cur rent output 0 400 A 7 Change parameter 8 Select volt age output 0 10 V 9 Change parameter 10 Select cur rent output 4 20 mA 11 Select sub menu item Menu item OU...
Page 34: ...to voltage at L1 15 Activate parameter L1 The activation of L1 will result in deactivation of all other pa rameters in the AnA submenu 16 Set the value of parameter AL1 Select and activate the parame...
Page 35: ...e value over voltage of all 3 phases 19 Activate parameterAL L1 L2 L3 The activation of AL L1 L2 L3 will result in deactivation of all other parameters in the AnA submenu Select and activate the param...
Page 36: ...meter change 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 t Select submenu item Activate deacti vate pa...
Page 37: ...d 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 deacti vate change par am Change dis p...
Page 38: ...20 DM_D00227_01_M_XXEN 07 2015 4 Changingthe password 5 Disable pass word protec tion 6 Select sub menu item Menu item SET Select submenu item Activate deacti vate change par am Change dis play parame...
Page 39: ...to factory setting 8 Select sub menu item 9 Activate pre set function for 3Ph and 3n manually The texts run and PrE will alternately appear on the display If the text rdY appears on the display the p...
Page 40: ...hardware version will alternately ap pear on the display Select the respective information from the text indicated on the display using the UP DOWN keys 10 Select sub menu item 11 Systemmenu locked 12...
Page 41: ...table 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 faults L1 L2 2 Select...
Page 42: ..._M_XXEN 07 2015 9 Query frequency faults 10 Select fault indication 11 Query phase faults 12 Select fault indication 13 To clear the fault memory 14 Select fault indication 15 Return to menu item HiS...
Page 43: ...V A1 A2 M A mA V 2 21 kV Supply voltage VMD420 DM 1 Supply voltage Us AC 16 72 V DC 9 6 94 V Frequency range Us 15 460 Hz VMD420 DM 2 Supply voltage Us AC DC 70 300 V Frequency range Us 15 460 Hz Powe...
Page 44: ...erfrequency Hz 10 500 Hz Resolution of setting f 10 0 99 9 Hz 0 1 Hz Resolution of setting f 100 500 Hz 1 Hz By preset function Underfrequency for fn 16 7 Hz 50 Hz 60 Hz 400 Hz 15 7 Hz 49 Hz 59 Hz 399...
Page 45: ...Burden 1 k Current outputs Short circuit current 30 mA short circuit proof Current output DC 0 4 20 mA Burden 500 Current output DC 0 400 A Burden 12 5k Environment EMC EMC EN 61326 1 Ambient tempera...
Page 46: ...without ferrules 0 2 2 5 mm2 AWG 24 14 Flexible with ferrules 0 2 1 5 mm2 AWG 24 16 Stripping length 10 mm Opening force 50 N Test opening diameter 2 1 mm General data Operating mode continuous operat...
Page 47: ...Technical data 47 VMD420 DM_D00227_01_M_XXEN 07 2015 6 2 Current and voltage curves of the analogue interface Current output 0 4 20 mA Current output 0 400 A Current output 0 10 V...
Page 48: ...AC 16 72 V DC 9 6 V 94 V DC 15 460 Hz B 7301 0017 VMD420 DM 1 3 N AC 0 500 V 288 V 15 460 Hz AC 16 72 V DC 9 6 V 94 V DC 15 460 Hz B 9301 0017 VMD420 DM 2 push wire terminals 3 N AC 0 500 V 288 V 15 4...
Page 49: ...Getting 21 I Installation and connection 15 K Key functions 23 Keys 23 M Manual self test 11 25 Menu item AL 28 Menu item HIS 41 Menu item INF 40 Menu item OUT 32 Menu item SET 37 Menu item t 36 Menu...
Page 50: ...50 VMD420 DM_D00227_01_M_XXEN 07 2015 T Technical data 43 To clear the fault memory 26 U User interface 21 W Wiring diagram 18 Work activities on electrical installations 8...
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Page 52: ...der GmbH Co KG Londorfer Str 65 35305 Gruenberg Germany Postfach 1161 35301 Gruenberg Germany Tel 49 6401 807 0 Fax 49 6401 807 259 Email info bender de www bender de Photos Bender archives BENDER Gro...
