User Manual: CME420
Contents
1. When the measured value exceeds ALARM 1 resp drops below ALARM 2 the adjusted threshold value the time of the response delays ton 1 2 begins After the expiry of the response delay the alarm relays switch and the alarm LEDs light If the measured value falls below or exceeds the adjusted delay on release response val ue plus hysteresis after the alarm relays have switched the delay on release starts tg After the expiry of top the alarm relays switch back to their initial position With activated fault memory the alarm relays do not change their actual state until the reset button R is pressed TGH1400 09 2006 9 PE BENDER Function 3 2 1 Automatic self test The device automatically carries out a self test after connecting to the system to be monitored and later every 24 hours During the self test internal functional faults or connection faults will be determined and will appear in form of an error code on the display The alarm relays are not checked during this test 3 2 2 Manual self test After pressing the internal test button for gt 1 5 s a self test is performed by the device During this test internal malfunctions will be determined and appear in form of an error code on the display The alarm relays are not checked during this test While the test button T is pressed and held down all device related dis play elements appear on the display 3 2 3 Malfunction In the event of an internal malfunction all2. ee t cont Responsedelyk check TI Starting delay _toff Delay on release K1 K2 TGH1400 09 2006 17 r1 n ri 12 1 tES Device test r2 1 POBENDER Operation and setting Activati Adjustable menu parameter Setting ranges e con High window function trol Transformation ratio factor external current transformer A OFF Parameter setting via password FAC Re establish factory settings SYS o Function blocked gt Display hard software version HiS Clr History memory for the first alarm value erasa ble 18 TGH1400 09 2006 Operationandsetting Ss BENDER 5 4 Display in standard mode By default the currently measured current is displayed or if required the measured overcurrent value The current response values prewarn ing and I2 alarm can be displayed using the Up and Down key If you want to return to the measured value press the enter key In the standard mode the currently set response values 11 and I2 can be displayed using the Up and Down keys TGH1400 09 2006 19 PE BENDER Operation and setting 5 5 Display in menu mode 5 5 1 Parameter query and setting overview Adjustable parameter AL Response values query and setting Alarm 12 AL2 undercurrent overcurrent or window function can be set in the SEt I menu Prewarning I1 AL1 50 of 12 Specify the hysteresis of the response values Hys 112 Configuration of
3. 16 72 V DC9 6 94 V aN ea e o xc cece E E T E E E E E E 42 460 Hz CME420 D 2 Sa e ee ee AC DC 70 300 V PU IN lees ty ee E EE A E E tana 42 460 Hz Power COnSUMDIION ee ee ee dene lt 3VA Measuring circuit Measuring range r m s value une AC 0 05 16 A Overload Can iTity COMES sssascscasassaccansecsaatastasaessazvaniscrinactaticoivontnstiaaatcaaansbinsndsonsdinsh nenne 17 64 Overload capability lt 1 S een nenne 40A T E In 2er 42 460 Hz Response values Undercurrent lt alarm 2 aasien Direct connection AC 0 1 16 A 1 A Gest EE ater E E eects ee tacit or external current transformer Undercurrent lt U alarm N 100 200 150 TGH1400 09 2006 33 PE BENDER Technical data Overcurrent gt alarm nee Direct connection AC 0 1 16 A 10 A a ne E CIE EEEE EE EE or external current transformer Overcurrent gt U alarm 1 annnnnnnennnnennnnennnnennnennnennnnnennae 10 100 50 External curent INS TIES sez cnnsnceonscczents snstyecvorestovesnedvesipevstotedesborielnriaieidersneansieoniens x 1A X 5A x 10A Transformation ratio factor N o n 1 2000 1 Relative percentage error at 50 Hz 60 Hz 3 2 digits Relative percentage error in the range of 42 2000 Hz 5 2 digits MYSTETESIS aaar cece evince ge 10 40 15 Specified time Starting delay en EEE 0 99 s 0 5 s PS OIG een niger ar ee 0 995 13 MD U ns E OTE econ teach 0 995 05 DONE ee ee seid EE 0 995 15 OD
4. anne aeniei 10 3 2 6 Assigning alarms to the alarm relays K 1K2 essssssssssesesssssessssssessssseeess 11 3 2 7 Time delays t ton and LOM essen 11 328 Santing day saccauwimmieanvaloaumusacukeuumnomoasaomiee 11 3 2 9 Response Delay TON 1 2 ans an in 11 3 2 10 Release delaytoff u a 11 3 2 11 Password protection ON OFF ussesessssesssssensenenenensennnnenenenennenenennenenennen 11 3 2 12 Factory selling FAC minnn r E OENE NEOVIA 11 EPA WG a sy 9 Ea ao a A I EE E TAN E A E ere ee 12 4 Installation and connection essessessesccscescesesocsocsceseesosoceosescsocecsseesosscsoseosso 13 5 Operation and setting einen 15 5 1 Used display elements ccssssssssessssessssecssscseccsesscsessssecsssecsssesseseeessessees 15 TGH1400 09 2006 3 MeBENDERR Table of Contents 5 2 Function of the operating elements usnensesessessssnennennsnneneenennenneneennene 16 53 Men SWUCTUNG taccacisonncninaannnnoinmmcanmiesinnctmnambiaanin 17 54 Display instandard mode usa ee 19 5 5 Display in menu mode cessssessssessssscsssscsesscsessssessssesscsesscsessssesscseessacensees 20 5 5 1 Parameter query and setting overview ssseessssessssessssesssesssssessssess 20 5 5 2 Switching over from overcurrent to undercurrent operation or to window operation ana 22 5 5 3 Response value setting for overcurrent sssseessssssesssssesessssesesssesesssss 23 5 5 4 Setting the fault memory and operating principle of th
5. 40 TGH1400 09 2006 BZ BENDER 41 TGH1400 09 2006 Bender Inc USA 700 Fox Chase Coatesville PA 19320 Toll Free 800 356 4266 Phone 610 383 9200 Fax 610 383 7100 E mail info bender org Canada 5810 Ambler Drive Unit 1 Mississauga ON LAW 4J5 Toll Free 800 243 2438 Phone 905 602 9990 Fax 905 602 9960 E mail info bender ca com Web http www bender org FZ BENDER
6. AN ee re ee lt 0ms Be DONSSLIDE sete ee ee b tet hio Ty C0 Me ee E A E E AN E ET lt 300 ms Displays memory DiSpla yppa i AR LC display multi functional not illuminated Measuring range measured value x transformation ratio fACtOM ceessssssssssssssssessssesesssessesseeseeesseee AC0 01 16Axn Operating error at 50 Hz 60 Hrn 3 2 digits Operating error in the range of 42 2000 Hz anne an 5 2 digits Measured value memory HiS for the first alarm value data record measured values O a TER IRRENRURESEENERERNGEN Off 0 999 OFF Fault memory M alarm relay u on off on Switching elements Num hiene aa seventh aed 2 relays with one changeover contact each K1 K2 Operating principle aaa N C operation n c N O operation n o N C operation n c Electrical service life under rated operating conditions ua 10000 switching operations Contact data acc to IEC 60947 5 1 Utilization category anne AC 13 AC 14 DC 12 DC 12 DC 12 Rated operational voltage aa 30V ste PN ses DAV aaa 110V 220 V Rated operational current nennen OA RER SA sites nass 0 2 A sss 0 1A Minimum contact load ee 1 mA at AC DC 2 10 V 34 TGH1400 09 2006 Technicaldata BENDER Environment EMC EN een ee en ee IEC61326 Operating temperature een 25 55 C Classification of climatic conditions acc to IEC 60721 Stationary use IEC60721 3 3 nn 3K5 except condensation and formation of ice Trans
7. E BENDER eration and setting 5 5 7 Changing from overcurrent operation to window operation Use this menu item to set whether the response values of the device ap ply to overcurrent HD or undercurrent operation Lo In addition win dow operation In can be selected tt LE TE cin M a o RR 5 5 8 Setting the transformation ratio for external current trans former 28 TGH1400 09 2006 Operationandsetting Ss BENDER 5 5 9 Factory setting and password protection Use this menu to activate the password protection to change the pass word or to deactivate the password protection In addition you can re set the device to its factory settings a Activating the password protection ED EN BERG Ft ee TGH1400 09 2006 29 POBENDER eration and setting c Deactivating the password protection GEE WR ong gt It BP 21 55 Te ge F aed 5 5 10 Re establishing the factory settings D HES GID t GED oe run hen 30 TGH1400 09 2006 Operationandsetting BENDER 5 5 11 Device information query This function is used to query the hardware d and software 1 xx versions After activating this function data will be displayed as a scroll ing text Once one pass is completed you can select individual data sec tions using the Up Down keys 5 5 12 History memory query The history memory can be selected via the menu HiS Use the Up and Down keys to view the next displ
8. H1400 09 2006 13 PO BENDER Installation and connection 1 DIN rail mounting Snap the rear mounting clip of the device into place in such a way that a safe and tight fit is ensured Screw fixing Use atool to move the rear mounting clips asecond mounting clip required see ordering information to a position that it projects over the enclosure Then fix the device using two M4 screws Wiring Connect the device according the wiring diagram N L1 ot Tr A1 A2 Connection to supply voltage U Connections Connection to the conductor to be monitored directly or by means of a current transformer 1 1 12 14 Alarm relay K1 21 22 24 Alarm relay K2 14 TGH1400 09 2006 PZ BENDER 5 Operation and setting 5 1 Used display elements A detailed description of the meaning of the display elements is given in the table below ran mn L 1 BE oe external current transformer gt l Overcurrent EEE EEE r1 1 Alarm relay K1 r2 2 Alarm relay K2 Response value hysteresis in l res t Response delay ton K1 Response delay t n gt K2 Starting delay t Delay on release tog for K1 K2 m femerore A Operating mode of the relays K1 K2 Password protection active TGH1400 09 2006 15 PE BENDER Operation and setting 5 2 Function of the operating elements Function Power On LED green LED Alarm 1 lights yellow Response value 1 reached LED Alarm 2 lights yellow Resp
9. Operating Manual CME420 Current monitor with window discriminator function for direct monitoring of AC currents up to 16 A and for monitoring with current transformers up to 32 kA Power in electrical safety TGH1400 09 2006 FZ BENDER Bender Inc USA 700 Fox Chase Coatesville PA 19320 Toll Free 800 356 4266 Phone 610 383 9200 Fax 610 383 7100 E mail info bender org Canada 5810 Ambler Drive Unit 1 Mississauga ON L4W 4J5 Toll Free 800 243 2438 Phone 905 602 9990 Fax 905 602 9960 E mail info bender ca com Web http www bender org BENDER Group Bender Inc All rights reserved Content subject to change PZ BENDER Table of Contents 1 How to use this documentation effectively uesscssssssssssssnssnsenssnesnnsnesnennnnne 5 1 1 How to use this manual sssssssssessssesssssessssesssesessseessesessssesssseessserssseesssersssersses 5 1 2 Intended USE ae A 5 1 3 Information about factory setting ssssesssssseesssssesesssseessssesessssoessssseeessesee 6 2 Safety information u 7 21 Sa Isstlan ee 7 2 2 Work activities on electrical installations useesseseseseseseeseneeennenenenenenn 7 3 FUNCIO ee ren acne eins 9 3 1 IS Te I een nn ee 9 32 FUNCION neem eee rea E een 9 321 Altamalleselfiest user 10 322 Manual self test een 10 323 Maunt ON see a 10 3 2 4 Specify the number of reload cycles uu sessessessesssssssecsecsssecsscseesseseeeeees 10 3 29 Erasable history MEMoN
10. ay If Clr is flashing the history mem ory can be cleared by pressing the Enter key TGH1400 09 2006 31 POBENDER Operation and setting 5 6 Commissioning Prior to commissioning check proper connection of the current relay Please note that the maximum permissible measuring current continuously applied is 16 A in case of direct measurement 5 7 Factory setting Response value overcurrent 11 prewarning 5A 50 of 12 L Response value overcurrent I2 alarm 10A Hysteresis 15 Fault memory M activated on Operating mode K1 K2 N C operation n c Starting delay t 0 55 Response delay ton 15 ton2 05 Release delay top 1s Password 0 deactivated Off 32 TGH1400 09 2006 PZ BENDER 6 Technical data 6 1 Data iin tabular form factory setting Insulation coordination acc to IEC 60664 1 IEC 60664 3 Rated insulation voltage ocala avaiable cnaniusadedsbpetSactsauta eicbesdagunaats td vas ecnenn rtra nsaat 250 V Rated impulse voltage pollution degree 2 5 KV III Protective separation reinforced insulation between A1 A2 k I 11 12 14 21 22 24 Maximum nominal voltage of the system being monitored when the conductor being monitored is directly connected With protective separation ee nenne AC 230 V Withoutpratectiveseparali un na a eegwtaaashadeosdasoasialaste AC 400 V Voltage test acc to IEC 61010 1 neuen 2 21 kV Supply voltage CME420 D 1 UU E Ve AA A E aeerteos AC
11. e alarm FAS e A ANET A E E eueano 24 5 5 5 Assigning alarm categories to the alarm relays ccsssssesessesesseees 25 5 56 Setting the time delays een 27 5 5 7 Changing from overcurrent operation to window operation 28 5 5 8 Setting the transformation ratio for external current transformer sans 28 5 5 9 Factory setting and password protection sssssesessssesssssessssseersssseeessss 29 5 5 10 Re establishing the factory settings ssessssesssssssssesrsssssseeressssseeerssssss 30 5 5 11 Device information query sssssesesssesesssssesessseeeosssecessssseossssesessseerossseeesssss 31 5 5 12 History memory Query an 31 5 6 Lommis SUC MMI Ys casa eects ee 32 5 7 Factory SUD Cl nen ee nee ae 32 6 Technical data un 33 6 1 Data in tabular fo au esse reas dct nn a aii 33 6 2 Ordering information u 36 6 3 TIMING diagram Current Monitoring ssss sssseessserssseessserssssessssessssesssseess 37 4 TGH1400 09 2006 PZ BENDER 1 How to use this documentation effectively 1 1 How to use this manual This manual is intended for experts in electrical engineering and elec tronics In order to make it easier for you to find specific text passages or refer ences in this manual and for reasons of comprehensibility important in formation is emphasized by symbols The meaning of these symbols is explained below Information calling attention to hazards are marked with this warning symbol Information intended t
12. gulation Unprofessional work activities on electrical installations may result in a threat of danger to the life and health of human beings If the equipment is used outside the Federal Republic of Germany the respective national standards and regulations are to be observed The European standard EN 50110 is recommended to be used as a direc tive TGH1400 09 2006 BZ BENDER Safety information TGH1400 09 2006 PZ BENDER 3 Function 3 1 Device features e Undercurrent or overcurrent monitoring in AC systems lt l or gt and current monitoring with window discriminator function e Direct current monitoring up to AC 16 A e Indirect current monitoring by means of a current transformer suitable for standard current transformers x 1A x 5A x 10A e Adjustable switching hysteresis e r m s value measurement AC e Starting delay response delay and delay on release e Measured value display via multi functional LC display e Alarm indication via LEDs AL1 AL2 and changeover contacts K1 K2 e N C operation or N O operation selectable e Password protection against unauthorized parameter changing e Fault memory behaviour selectable 3 2 Function Once the supply voltage is applied the starting delay t is activated Measured values changing during this time do not influence the switch ing state of the alarm relays The devices provide two separately adjustable measuring channels overcurrent undercurrent
13. ime t and delays alarm signalling total delay time t tae toy If the fault does not continue to exist before the time of the response delay has elapsed an alarm will not be indicated 3 2 10 Release delay tor When no alarm exists after deactivating the fault memory the alarm LEDs will go out and the alarm relays switch back to their initial posi tion After activating the release delay 0 99 s the alarm state is con tinuously maintained for the selected period 3 2 11 Password protection on OFF With activated password protection on settings can only be carried out when the correct password 0 999 has been entered 3 2 12 Factory setting FAC After activating the factory setting all settings previously changed are reset to delivery status TGH1400 09 2006 11 PE BENDER Function 3 2 13 Display accuracy The display accuracy of the measured current values depends on the set response values When an alarm response value I2 of 10 A has been se lected currents smaller than 350 mA are displayed as lt 0 3 A 12 TGH1400 09 2006 PZ BENDER 4 Installation and connection Ensure safe isolation from supply in the installation area Ob serve the installation rules for live working Dimension diagram and drawing for screw fixing Zubeh r Accessory 90 mm The front plate cover is easy to open at the lower part identified by an arrow TG
14. ing 11 32 Function 9 H How to use this manual 5 Installation and connection 13 K K1 assignment alarm category 17 K2 assignment alarm category 17 L LED Alarm 1 lights 16 PZ BENDER LED Alarm 2 lights 16 M Malfunction 10 Manual self test 10 Manual target group 5 Menu AL response values 17 HiS history memory for the first alarm value 18 InF hard and software ver sion 18 out output control 17 Set device control 18 t timing check 17 Menu structure overview 17 Mounting clip for screw fixing 36 O Operating elements function 16 Operation and setting 15 Ordering information 36 P Parameter query and setting over view 20 Parameter setting Activating or deactivating the TGH1400 09 2006 39 BZ BENDER password protection 29 Assigning alarm categories to the alarm relays 25 Changing from overcurrent operation to window opera tion 28 Deactivating the fault memo ry 24 Response value setting 23 Setting the time delay 27 Password protection 11 R Release delay toff 11 Reset button 16 Response delay ton 11 Response value setting Hysteresis 23 Overcurrent gt I 23 S Setting the number of reload cycles 24 Starting delay t 11 Starting the menu mode 16 T Technical data 33 Test button 16 Timing diagram Current monitoring 37 U Used display elements 15 W Wiring diagram 14 Work activities on electrical instal lations 7
15. nd setting 5 5 4 Setting the fault memory and operating principle of the alarm relays Deactivating the fault memory 24 TGH1400 09 2006 Operationandsetting BENDER 5 5 5 Assigning alarm categories to the alarm relays Overcurrent undercurrent and device related errors of the current mon itor can be assigned to the alarm relays K1 r1 1 and K2 12 2 By de fault the alarm relays K1 and K2 signal prewarning and alarm in case of overcurrent Alarm relay K1 Deactivating the category device error TGH1400 09 2006 25 PE BENDER eration and setting Alarm relay K1 Activating the category response value I2 et OY Oe rt op OO sr GD When analarm relay K1 K2 has been deactivated in the menu an alarm will not be signalled by the respective changeover contact An alarm will only be indicated by the respective alarm LED AL1 AL2 26 TGH1400 09 2006 Operationandsetting ss BENDER 5 5 6 Setting the time delays The following delays can be specified e Response delay t 0 99 s for K1 and ton2 0 99 s for K2 e Starting delay t 0 10 s when the device is being started e Common delay on release tog 0 99 s for K1 K2 The setting tog is only relevant when the fault memory M is deactivated The operating steps for the setting of the response delay t and the starting delay t are illustrated by way of example Setting the response delay ton TGH1400 09 2006 7 P
16. o assist the user to make optimum use of the product are marked with the Info symbol 1 2 Intended use The current monitor is designed to monitor the threshold values of AC currents for overcurrent and undercurrent conditions In case of direct measurement currents up to 16 A can be continuously monitored For indirect measurement by means of a current transformer a transforma tion ratio factor up to 2000 can be set The device allows pure overcur rent and pure undercurrent operation as well as window operation between two adjustable response values The device is factory set to overcurrent operation TGH1400 09 2006 5 PO BENDER How tose this documentation effectively 1 3 Information about factory setting Seite 32 provides a summary of all factory settings If you want to reset the current monitor to factory settings refer to Seite 30 6 TGH1400 09 2006 PZ BENDER 2 Safety information 2 1 Safety instructions In addition to this data sheet the documentation of the device includes a sheet entitled Important safety instructions for BENDER products 2 2 Work activities on electrical installations All work activities necessary for installation commissioning or work activities during operation of electrical devices or systems are to be car ried out by adequately skilled personnel Observe the relevant regulations applying to work on electrical instal lations in particular DIN EN 50110 or its subsequent re
17. onse value 2 reached 1 6 A flow via the terminals kand Fault memory active Test button gt 1 5 s Indication of the display elements starting a self test Up key lt 1 5 s Menu items values Reset button gt 1 5 s Deleting the fault memory Down key lt 1 5 s Menu items values MENU key gt 1 5 s Starting the menu mode Enter key lt 1 5 s Confirm menu item submenu item and value Enter key gt 1 5 s Back to the next higher menu level 16 TGH1400 09 2006 Operationandsetting Ss BENDER 5 3 Menu structure All adjustable parameters are listed in the columns menu item and ad justable parameters A display like representation is used to illustrate the parameters in the column menu item Different alarm categories can be assigned to the alarm relays K1 K2 via the submenus r1 r2 This is done by activation or deactivation of the respective function Sub Activati Adjustable menu on parameter AL ON Hl Overcurrent alarm response gt 11 ON Hl Overcurrent prewarn values ing Hs Hysteresis lt 121 gt 121 out gt output con Operat mode K1 n c trol 222 2 Operat mode K2 n c RL Reload function mem ory off r K1 assign Prt n ON Prewarning l1 at K1 ment alarm OFF Alarm I2 at K1 cee aie ON OFF ON r2 2 Err ON Device error at K2 K2 assign Ir n OFF Prewarning I1 at K2 ment alarm Alarm I2 at K2
18. portation IEC 60721 3 2 o n 2K3 except condensation and formation of ice Storage IEC 60721 3 1 annnnnnannnnannnnenneeeneennennennnnnnnnnnnnnnnnnnn 1K4 except condensation and formation of ice Classification of mechanical conditions acc to IEC 60721 Stationary use IEC 60721 3 3 ea einen 3M4 Transportation IEC 60721 3 2 ee ee 2M2 Storage IEC 60721 3 1 ssssssssssisiissisisrsrssrssissrssissrssrssrssrssrssrssrssrsssssrssrssrssrntsntintantrntantrstantsnranranrnranrsaraaraararna narant 1M3 Connection EINE E I tt cep cae ene enced needle apexes tg ease lu toampe tetas eee screw terminals Connection properties rigid flexible eee 0 2 4 0 2 25 mm AWG 24 12 Multi conductor connection 2 conductors with the same cross section Figid flexible aussen 0 2 1 5 mm 0 2 1 5 mm Stripping length ade acetcaceg stn tstrstvatecot see esestns eter tne cnc acto esas tures egestas 8 9 mm EINE IN ee ee er 0 5 0 6 Nm Other DENE ee ee ee a ET continuous operation FO ON ee ee any position Degree of protection DIN EN 60529 internal components IP30 Degree of protection DIN EN 60529 terminals IP20 VG CSUs Mia eM Sc nee een ee polycarbonate PIA o lt ee 0a cate E eves UL94 V 0 DIN rail MOUNTING ACC 10 te destetiocetcectiet cen acttesstnen tebe eeotdceteeniatceteuedttdetcobeestieteeco mete tdteeesYeitiarsetecpaeettienien IEC 60715 PRD TIN IME sce carer E A A reece ecard E T 2x M4 with mounting clip aeea ee resem Parent en nent en ete
19. r nr lt 1609 factory setting TGH1400 09 2006 35 PE BENDER Technical data 6 2 Ordering information Response Supply voltage U DC 9 6 V 94V B 9306 0001 Ted AC 42 460 Hz 16 72V esos DC 70 300 V B 9306 0002 Eee re AC 42 460 Hz 70 300 V RN Absolute values of the voltage range Mounting clip for screw fixing 1 piece per device accessories B 9806 0008 t Starting delay tan Response time tore Delay on release 36 TGH1400 09 2006 Technicaldata BENDER 6 3 Timing diagram Current monitoring Start Uberstrom Unterstrom Overcurrent Undercurrent t az tan gt loft At lt t Ba Un gt loft At lt t gt in a EE tay Strom gt Current Hys Hys lt l m Versorgungsspannung y Supply voltage b Alarm LEDs ON ALT AL2 24 Alarm relays 21 22 Arbeitsstrom N 0 14 MEM off 11 12 24 Alarm relays 21 22 Ruhestrom N C 14 MEM off 11 12 24 Alarm relays 21 22 Arbeitsstrom N 0 14 MEM on 11 12 24 Alarm relays 21 22 Ruhestrom N C 14 MEM on 11 12 Loo TGH1400 09 2006 37 BZ BENDER Technical data 38 TGH1400 09 2006 INDEX A Adjustable parameters list 17 Automatic self test 10 D Deleting the fault alarms 16 Device features 9 Display in standard mode 19 E Enter key 16 Example of parameter setting 22 F factory sett
20. t value gt 10 0 A appears 3 Use the Down key to select the parameter response value 11 The parameter l1 flashes in addition the associated percentage value for prewarning 50 of I2 appears 4 Confirm with Enter The current value for prewarning appears on the flashing display 5 Use the Up or Down key to set the appropriate response value Confirm with Enter 11 flashes 6 You can exit the menu by Pressing the Enter key for more than 1 5 seconds to reach the next higher level or selecting the menu item ESC and confirming with Enter to reach the next higher level The currently active segments are flashing In the figures below the i segments where device settings can be carried out are highlighted by an oval The menu mode can be reached by pressing the MENU key for more than 1 5 seconds 5 5 2 Switching over from overcurrent to undercurrent operation or to window operation The operating mode can be selected in the SEt I menu using the param eters HI Lo and In By default overcurrent operation HD is set Refer to page28 for a detailed description on how to switchover to the win dow mode 22 TGH1400 09 2006 Operationandsetting BENDER 5 5 3 Response value setting for overcurrent Response value I2 overcurrent Response value Il overcurrent Hysteresis Hys of the response values I1 I2 Increasing the response value I2 Example overcurrent TGH1400 09 2006 23 POBENDER eration a
21. the fault memory and the alarm relays Activating deactivating the fault memory Select N O operation n o or N C operation n c individually for each K1 K2 Specify the number of the reload cycles Assign the alarm categories undercurrent or overcurrent or device error individually to each K1 K2 1 r1 2 r2 Parameter setting for device control Select the appropriate parameter for response values High HI low Lo or window function In Set the transformation ratio n for the current transformer Enable or disable password protection change the pass word Re establish factory settings Service menu SyS blocked Query hard and software version Query the first stored alarm value ESC Move to the next higher menu level back T Delay settings Response delay t n1 ton2 Starting delay t Delay on release tog LED relay t 20 TGH1400 09 2006 Operation and setting Menu structure PZ BENDER TGH1400 09 2006 21 PE BENDER Operation and setting Parameter settings An example is given below on how to change the alarm response value for overcurrent gt I1 It is presumed that the option overcurrent HD has been selected in the SEt I menu factory setting Proceed as follows 1 Press the MENU Enter key for more than 1 5 seconds The flashing short symbol AL appears on the display 2 Confirm with Enter The parameter response value 12 flashes in addi tion the associated overcurren
22. three LEDs flash An error code appears on the display E01 E32 For example E08 means Incorrect internal calibration In such a case please contact the Bender Service 3 2 4 Specify the number of reload cycles If faults occur only temporarily but recurrently in the system being monitored with deactivated fault memory M the alarm relays would switch synchronously to the error status RL in the out menu can be used to limit the number of these changeover processes As soon as the specified number of processes is exceeded the fault memory will come on and an activated alarm remains stored 3 2 5 Erasable history memory The first alarm value that occurs will be entered in this memory The memory can be cleared via the menu HisS 10 TGH1400 09 2006 Function WZ BENDER 3 2 6 Assigning alarms to the alarm relays K 1K2 Different alarm categories can be assigned to the alarm relays K1 K2 via the menu out 3 2 7 Time delays t to and top The times t ton and tor described below delay the output of alarms via LEDs and relays 3 2 8 Starting delay t After connection to the supply voltage Us the alarm indication is de layed by the preset time t 0 99 s 3 2 9 Response delay ton 2 If the current value exceeds or falls below the threshold value the cur rent monitor does not initiate an alarm before the response time t has elapsed A set response delay t 4 2 0 99 s adds up to the device related oper ating t
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