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Operation and configuration

28

VMR420_D00370_00_M_XXEN/07.2018

5.4

Display in standard mode

In the standard mode, the ripple voltage applied across the terminals U1/+ 
and U2/- is indicated.

Menu

Sub

menu

Menu 

item

Activati

on

Adjustable parameter

t

(timing 

check)

ton1

Response delay K1

ton2

Response delay K2

t

Start-up  delay

toff

Delay on release K1/K2

Set

(device con-

trol)

Hz

Select rated system fre-
quency (f

n

)

OFF

Set parameters via pass-
word

FAC

Restore factory settings

SYS

Function locked

InF

Display hard / software 
version

HiS

Clr

History memory for the 
first alarm value, erasable

Summary of Contents for VMR420

Page 1: ...Manual EN VMR420 Ripple detector for monitoring of ripple voltages in DC systems Software version D346 V1 0x VMR420_D00370_00_M_XXEN 07 2018...

Page 2: ...many Londorfer Strasse 65 35305 Gruenberg Germany Tel 49 6401 807 0 Fax 49 6401 807 259 E Mail info bender de www bender de Bender GmbH Co KG All rights reserved Reprinting only with permission of the...

Page 3: ...age 10 1 6 Warranty and liability 11 1 7 Disposal 12 2 Safety instructions 13 2 1 General safety instructions 13 2 2 Work activities on electrical installations 13 2 3 Intended use 14 2 4 Suppression...

Page 4: ...ntenance 23 5 Operation and configuration 25 5 1 Available display elements 25 5 2 Getting to know the user interface 26 5 3 Menu structure 27 5 4 Display in standard mode 28 5 5 Display in menu mode...

Page 5: ...Table of Contents 5 VMR420_D00370_00_M_XXEN 07 2018 6 Technical data VMR420 43 6 1 Standards approvals and certifications 46 6 2 Ordering information 46 6 3 Label for modified versions 47 INDEX 49...

Page 6: ......

Page 7: ...s intended for qualified personnel working in electrical engineering and electronics This signal word indicates that there is a high risk of danger that will result in electrocution or serious injury...

Page 8: ...roubleshooting Telephone 49 6401 807 760 Fax 49 6401 807 259 In Germany only 0700BenderHelp Tel and Fax E mail support bender service de 1 2 2 Repair service Repair calibration update and replacement...

Page 9: ...eshooting of Bender products Analysis of the electrical installation in the building power quality test EMC test thermography Training courses for customers Telephone 49 6401 807 752 762 technical iss...

Page 10: ...dard software as part of de liveries modifications and changes to general delivery conditions for prod ucts and services in the electricalindustry set out by the ZVEI Zentralverband Elektrotechnik und...

Page 11: ...ing operation and maintenance of the device Unauthorised changes to the device made by parties other than the manufacturer Non observance of technical data Repairs carried out incorrectly and the use...

Page 12: ...u nity In Germany these policies are implemented through the Electrical and Electronic Equipment Act ElektroG According to this the following applies Electrical and electronic equipment are not part o...

Page 13: ...egulations must be complied with The European stand ard EN 50110 can be used as a guide Only qualified personnel are permitted to carry out the work necessary to install commission and run a device or...

Page 14: ...the applicable standards customised pa rameter settings must be made on the equipment in order to adapt it to local equipment and operating conditions Please heed the limits of the range of applicatio...

Page 15: ...ed alarm message 3 2 Function Once the power supply is connected the start up delay t will be activated Va lues of the measured nominal voltage changing during this time do not influ ence the switchin...

Page 16: ...al malfunctions detected are shown on the display as error codes The alarm relays are not switched during this test Whilst the test button T is pressed all display elements available for this de vice...

Page 17: ...age relay requires the response time tan until the alarm is activated A preset response delay ton 0 300 s adds up to the operating time tae for this device and delays alarm indication total delay time...

Page 18: ...measuring range the measuring range will be not be op timised until the response time has elapsed tan tae ton 3 2 11 Rated system frequency Precondition for r m s value measurement is that the measur...

Page 19: ...u LEd is deactivated AL1 indicates overvoltage For details about alarm category assignment to the respective relays refer to the submenu out description on page 27 3 2 16 Starting a device using a sim...

Page 20: ...t for K1 shown in the time diagram below by way of example has star ted 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 elapsed...

Page 21: ...lectrocution due to electric shock Touching live parts of the system carries the risk of An electric shock Damage to the electrical installation Destruction of the device Before installing and connect...

Page 22: ...p at the rear of the device onto the DIN rail so that it sits securely Screw fixing Using a tool position the rear mounting clips a second mounting clip is required see the ordering information so tha...

Page 23: ...o check correct alarm indication by means of a voltage fault Also check that the terminal connections are mechanically secure Terminal Connections A1 A2 Connection to the power supply voltage Us U1 U2...

Page 24: ...Installation connection and operation 24 VMR420_D00370_00_M_XXEN 07 2018...

Page 25: ...ents Element Function U Overvoltage R1 r1 R2 r2 Alarm relay K1 Alarm relay K2 U Hys Response value hysteresis as Hz Nominal frequency in Hz ton1 ton2 t toff Response delay ton1 K1 Response delay ton2...

Page 26: ...n alarm as defined by the user Yellow alarm LED 2 lights K2 indicates an alarm as defined by the user 450 mV Display in standard mode Ripple voltage U 450 mV T Test button 1 5 s Indication of the usea...

Page 27: ...activation or deactivation of the respective function Menus Sub menu Menu item Activati on Adjustable parameters AL response values U Overvoltage Alarm 1 U Hys Hysteresis U out output control M OFF F...

Page 28: ...Sub menu Menu item Activati on Adjustable parameter t timing check ton1 Response delay K1 ton2 Response delay K2 t Start up delay toff Delay on release K1 K2 Set device con trol Hz Select rated system...

Page 29: ...or N C operation n c individually for each K1 K2 Assign the alarm category overvoltage or device error to 1 K2 1 r1 2 r2 AL1 AL2 indicate that K1 K2 are in the alarm state menu LEd activated t Delay...

Page 30: ...Operation and configuration 30 VMR420_D00370_00_M_XXEN 07 2018 Menu structure t 1 5 s t 1 5 s t 1 5 s t 1 5 s t 1 5 s AL out t SEt InF HiS ESC ESC...

Page 31: ...s 3 Confirm with Enter The associated value in V appears on a flashing dis play 4 Use the Up or Down button to set the appropriate response value Con firm with Enter U flashes 5 You can exit the menu...

Page 32: ...5 5 2 Setting the response value for overvoltage and hysteresis This is where you determine the voltage value at which an alarm is to be sig nalled Setting the overvoltage response value U Setting the...

Page 33: ...00_M_XXEN 07 2018 5 5 3 Setting the fault memory and operating principle of the alarm relays Activating the fault memory Setting the alarm relay K1 to N O operation n o Setting alarm relay K2 to N C o...

Page 34: ...s to alarm relays Overvoltage faults and the voltage relay s internal errors can be assigned to the alarm relays K1 r1 1 and K2 r2 2 K1 is set at the factory to signal device errors K2 is set to signa...

Page 35: ...ating the category overvoltage Deactivating an alarm relay K1 K2 via the menu prevents an alarm being indicated by the respective changeover contact An alarm will be indicated by the respective alarm...

Page 36: ...0 300 s for K1 and ton2 0 300 s for K2 a start up delay t 0 300 s for device start as well as a com mon delay on release toff 0 300 s for K1 and K2 This setting is only relevant when the fault memory...

Page 37: ...lay 5 5 6 Setting the rated system frequency 5 5 7 Password protection and factory setting Use this menu to activate the password protection to change the password or to deactivate the password protec...

Page 38: ...Operation and configuration 38 VMR420_D00370_00_M_XXEN 07 2018 a Activating the password protection b Changing the password 2x 1 5 s 1x 2x 1 5 s 1x...

Page 39: ...Operation and configuration 39 VMR420_D00370_00_M_XXEN 07 2018 c Deactivating the password protection 5 5 8 Restoring factory settings 2x 1 5 s 1x 2x...

Page 40: ...is func tion data will be displayed as a scrolling text Once one pass is completed you can select individual data sections using the Up Down keys 5 5 10 Querying the history memory Select the history...

Page 41: ...Mode of operation K1 Err Mode of operation K2 U AL1 AL2 indicate the alarm state of K1 K2 LEd Alarm to K1 K2 S AL when the device is started Start up delay Response delay Delay on release Rated system...

Page 42: ...Operation and configuration 42 VMR420_D00370_00_M_XXEN 07 2018...

Page 43: ...gree 4 kV III Basic insulation between U1 U2 A1 A2 21 22 24 Basic insulation between 11 12 14 21 22 24 Voltage test according to IEC 61010 1 2 21 kV Supply voltage VMR420 D 1 EL Supply voltage Us AC 1...

Page 44: ...lay range measured value AC 0 10 V Operating uncertainty voltage 5 2 digits History memory HiS for the first alarm value data record measured values Password Off 0 999 OFF Fault memory M alarm relay o...

Page 45: ...tion Connection screw type terminals Connection properties rigid flexible 0 2 4 0 2 2 5 mm2 AWG 24 12 Multi conductorconnection 2 conductors with the same cross section rigid flexible 0 2 1 5 mm2 0 2...

Page 46: ...1 Standards approvals and certifications 6 2 Ordering information Device type Nominal voltage Un Supply voltage Us Art No VMR420 D 1 EL push wire terminals DC 0 300 V DC 9 6 V 94 V AC 15 460 Hz 16 72...

Page 47: ...Technical data VMR420 47 VMR420_D00370_00_M_XXEN 07 2018 6 3 Label for modified versions There will only be a label in this field if the device is different from the standard version...

Page 48: ...Technical data VMR420 48 VMR420_D00370_00_M_XXEN 07 2018...

Page 49: ...leting the fault alarms 26 Device features 15 Display in menu mode 29 Display in standard mode 28 E Enter button 26 Example of parameter setting 31 F Factory setting 18 Faultmemoryintheoperatingmodeon...

Page 50: ...setting Response value setting 32 Password protection 18 Q Query and set parameters 29 R Reset button 26 Response delay ton 17 36 Response value setting Hysteresis U 32 Overvoltage U 32 S Self 16 Self...

Page 51: ......

Page 52: ...r GmbH Co KG P O Box 1161 35301 Gruenberg Germany Londorfer Strasse 65 35305 Gruenberg Germany Tel 49 6401 807 0 Fax 49 6401 807 259 E Mail info bender de www bender de Photos Bender archives BENDER G...

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