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Manual

EN

VME421H

Voltage and frequency monitor

 for monitoring AC/DC systems

for undervoltage, overvoltage, underfrequency and overfrequency
Software version VME421H-D-1: D236 V2.2x
Software version VME421H-D-2: D237 V2.2x

VME421H_D00141_01_M_XXEN/06.2016

Summary of Contents for B 7301 0003

Page 1: ...and frequency monitor for monitoring AC DC systems for undervoltage overvoltage underfrequency and overfrequency Software version VME421H D 1 D236 V2 2x Software version VME421H D 2 D237 V2 2x VME421H...

Page 2: ...any 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: ...e 8 1 6 Warranty and liability 9 1 7 Disposal 10 2 Safety instructions 11 2 1 General safety instructions 11 2 2 Work activities on electrical installations 11 2 3 Intended use 12 3 Function 13 3 1 De...

Page 4: ...27 5 6 2 Setting the response values for undervoltage overvoltage and hysteresis 30 5 6 3 Setting the response values for underfrequency overfrequency and hysteresis 31 5 6 4 Setting the fault memory...

Page 5: ...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 6: ...Troubleshooting 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 7: ...leshooting 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 is...

Page 8: ...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 9: ...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 10: ...mu 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...

Page 11: ...regulations 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 o...

Page 12: ...ltage range Un 9 6 150 V device variant 2 for Un 70 300 V The supply voltage is taken from the nominal voltage being monitored Un In order to meet the requirements of the applicable standards customis...

Page 13: ...and release delay Adjustable switching hysteresis for U and f r m s value measurement AC DC Measured value display via multi functional LC display Alarm indication via LEDs AL1 AL2 and changeover con...

Page 14: ...state until the reset but ton R is pressed Also in the event of complete power failure of the system be ing monitored the delay times are effective during the energy backup discharging time 3 2 1 Pres...

Page 15: ...of an error code on the display The alarm relays are not checked during this test 3 2 3 Manual self test After pressing the internal test button for 1 5 s a self test is performed by the device During...

Page 16: ...ponse delayton 0 300s adds up to the device related operating time tae and delays alarm signalling total delay time tan tae ton If the fault doesnot continue to exist before the time of the response d...

Page 17: ...old value The memory can be cleared using the Clr key in the menu HiS 3 2 11 Alarm LEDs show which relay is in the alarm state When the menu item LEd is activated the alarm LED AL1 indicates that K1 i...

Page 18: ...hes back to the initial position provided that no fault is detected at the measuring input The following diagrams show the effect of a fault during a simulated alarm Faults at the measuring input and...

Page 19: ...ut the work necessary to install commission and run a device or system Risk of electrocution due to electric shock Touching live parts of the system carries the risk of An electric shock Damage to the...

Page 20: ...w fixing Use a tool to move the rear mounting clips a second mounting clip is required see ordering information to a position that it projects bey ond the enclosure Then fix the device using two M4 sc...

Page 21: ...is in the delivery status factory set ting has not been changed In case of doubt restore the factory set ting page 38 4 When the conditions 1 2 and 3 are satisfied you can connect the vol tage monito...

Page 22: ...ements in use Elemen t Function U U Undervoltage Alarm 2 overvoltage Alarm 1 R1 r1 R2 r2 Alarm relay K1 Alarm relay K2 U Hys Response value hysteresis U as Hz Hz Underfrequency AL1 and AL2 Overfrequen...

Page 23: ...LEd deactivated Both LEDs light when the frequency response values Hz or Hz are reached AL1 AL2 Menu item LEd activated LED Alarm 1 lights yellow K1 signals that there is an alarm LED Alarm 2 lights y...

Page 24: ...m relays K1 K2 via the submenus r1 r2 This is done by activation or deac tivation of the respective function Device front Elemen t Function MENU MENU key 1 5 s Starting the menu mode Enter key 1 5 s C...

Page 25: ...ry 1 Err OFF Device error at K1 r1 U OFF Undervoltage K1 r1 U ON Overvoltage K1 r1 Hz ON Underfrequency K1 r1 Hz ON Overfrequency K1 1 S AL OFF Start with alarm during t ton1 r2 K2 assign ment alarm c...

Page 26: ...irm your choice with Enter Menu Sub Menu Menu item Activati on Adjustable parameter Set device con trol OFF Parameter setting via pass word FAC Re establish factory set tings PrE Manual preset SYS Fun...

Page 27: ...ult memory or to set to con mode Select N O operation n o or N C operation n c individually for each K1 K2 Assign the alarm categories undercurrent overcur rent underfrequency overfrequency or device...

Page 28: ...Operation and setting 28 VME421H_D00141_01_M_XXEN 06 2016 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 29: ...icates that the response value U is being activated 5 Confirm the activation of the response value with Enter The associated value in V appears on a flashing display 6 Use the Up or Down key to set th...

Page 30: ...ing the response values for undervoltage overvoltage and hysteresis Set the response value at which an alarm is to be issued Setting the undervoltage response value U Setting the overvoltage response...

Page 31: ...ME421H_D00141_01_M_XXEN 06 2016 5 6 3 Setting the response values for underfrequency overfrequency and hysteresis Setting the underfrequency response value Hz Setting the overfrequency response value...

Page 32: ...1_M_XXEN 06 2016 Setting the hysteresis of the frequency response values 5 6 4 Setting the fault memory and operating principle of the alarm relays Deactivating the fault memory Setting the alarm rela...

Page 33: ...Operation and setting 33 VME421H_D00141_01_M_XXEN 06 2016 Setting the alarm relay K2 to N O operation n o LEDs AL1 AL2 are intended to indicate the alarm state of K1 K2 2x 2x 1 5 s 3x...

Page 34: ...the voltage relay can be assigned to the alarm relays K1 r1 1 and K2 r2 2 K1 is set at the factory to signal an alarm in the event of overvoltage and K2 is set to signal an alarm in the event of unde...

Page 35: ...category overvoltage When an alarm relay K1 K2 has been deactivated via the menu an alarm will not be signalled by the respective changeover contact An alarm will only be indicated by the respective a...

Page 36: ...up delay t 0 300 s when starting the device as well as a common release delay toff 0 300 s for K1 K2 This setting is only relevant when the fault memory M is deactivated The operating steps for the s...

Page 37: ...g and password protection Use this menu to activate the password protection to change the password or to deactivate the password protection In addition you can reset the device to its factory settings...

Page 38: ...Operation and setting 38 VME421H_D00141_01_M_XXEN 06 2016 c Deactivating the password protection 5 6 8 Restoring factory settings 2x 1 5 s...

Page 39: ...re 1 xx versions After activating this function 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 6 11 History memo...

Page 40: ...rating principle K1 U Operating principle K2 U AL1 AL2 indicate the alarm state of K1 K2 LEd Alarm to an K1 K2 S AL when the device is started Start up delay Response delay Release delay Password 5 OF...

Page 41: ...kV Supply voltage VME421H D 1 Supply voltage Us none internally supplied byUn 9 6 150 V VME421H D 2 Supply voltage Us none internally supplied by Un 70 300 V Power consumption 6 VA Measuring circuit...

Page 42: ...fn 16 7 Hz 50 Hz 60 Hz 400 Hz 15 7 Hz 49 Hz 59 Hz 399 Hz Overfrequency for fn 16 7 Hz 50 Hz 60 Hz 400 Hz 17 7 Hz 51 Hz 61 Hz 401 Hz Hysteresis frequency Hys Hz 0 1 2 Hz 0 2 Hz Relative uncertainty fre...

Page 43: ...on off con on Switching elements Number of changeover contacts 2 x 1 K1 K2 Operating principle N C operation N O operation K2 Err U U Hz Hz S AL undervoltage U N C operation n c K1 Err U U Hz Hz S AL...

Page 44: ...tion properties rigid 0 2 2 5 mm2 AWG 24 14 Flexible without ferrules 0 75 2 5 mm2 AWG 19 14 Flexible with ferrules 0 2 1 5 mm2 AWG 24 16 Stripping length 10 mm Opening force 50 N Test opening diamete...

Page 45: ...e Un Art No VME421H D 1 push wire terminals AC DC 9 6 150 V 15 460 Hz B 7301 0003 VME421H D 1 AC DC 9 6 150 V 15 460 Hz B 9301 0003 VME421H D 2 push wire terminals AC DC 70 300 V 15 460 Hz B 7301 0004...

Page 46: ...Technical data VME421H 46 VME421H_D00141_01_M_XXEN 06 2016...

Page 47: ...factory 40 factory setting 17 40 Fast commissioning for Un 230 V 12 Faultmemoryintheoperatingmodeon off or con 13 15 Function 13 H How to use this manual 5 I Indication of the alarm state of K1 K2 17...

Page 48: ...incipleofthe alarm relays 32 Setting the time delay 36 Password protection 16 Preset function 14 R Release delay toff 16 Reset button 23 Response delay ton 16 36 Response value setting Hysteresis freq...

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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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