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Bender RCMA420, Manual

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Bender RCMA420 Manual Download Page 30

Operation and setting

30

RCMA420_D00059_04_M_XXEN/05.2021

5.6.5

Changeover: overcurrent/undercurrent/window mode

The operating mode can be changed in the SEt/I 12 menu using the parame-
ters HI, Lo and In. By default, overcurrent operation (HI) is set.  .

5.6.6

Factory setting 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.

a) Activating the password protection

12

I

12

I

12

I

12

I

2x

>1,5 s

on

off

12

I

2x

>1,5 s

Summary of Contents for RCMA420

Page 1: ...RCMA420 Residual current monitor for monitoring AC DC and pulsed DC currents in TN and TT systems Software version D242 V1 2x RCMA420_D00059_04_M_XXEN 05 2021 Manual EN...

Page 2: ...any Londorfer Strasse 65 35305 Gr nberg 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 p...

Page 3: ...10 2 1 General safety instructions 10 2 2 Work activities on electrical installations 10 2 3 Intended use 11 3 Function 12 3 1 Device features 12 3 2 Function 12 3 2 1 Connection monitoring 13 3 2 2...

Page 4: ...current 24 5 6 2 Setting the fault memory and alarm relay operating mode 26 5 6 3 Assigning alarm categories to the alarm relays 27 5 6 4 Set the time delays 29 5 6 5 Changeover overcurrent undercurre...

Page 5: ...ept any liability for injury to persons or damage to property resulting from errors or mistakes in this manual This manual is intended for qualified personnel working in electrical engineering and ele...

Page 6: ...2 Repair service Repair calibration update and replacement service for Bender products Repairing calibrating testing and analysing Bender products Hardware and software update for Bender devices Deliv...

Page 7: ...r is happy to provide training regarding the use of test equipment The dates of training courses and workshops can be found on the Internet at www bender de Know how Seminars 1 4 Delivery conditions B...

Page 8: ...n be attributed to one or more of the fol lowing causes Improper use of the device Incorrect mounting commissioning operation and maintenance of the device Failure to observe the instructions in this...

Page 9: ...mmu 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 10: ...dards and regulations must be complied with The European stan dard EN 50110 can be used as a guide Only qualified personnel are permitted to carry out the work necessary to install commission and run...

Page 11: ...stable response ranges allow to distinguish between prewarning I n1 50 100 of the set response value I n2 and main alarm I n2 Since the values are measured with measuring current transformers the RCMA...

Page 12: ...t influence the switching state of the alarm relays Residual current measurement takes place via an external measuring current transformer of the CTUB101 CTBC20 60 series The cur rently measured value...

Page 13: ...3 2 2 Fast response value query With the display in standard mode the currently measured response values I n1 and I n2 can be queried pressing the Up and Down keys 1 5 s Switcho ver to the Menu mode...

Page 14: ...ries to alarm relays K1 K2 The alarm categories deviceerror residualcurrent I n1 residualcurrent I n2 or alarm by device test can be assigned to the alarm relays via the out menu 3 2 8 Time delays t t...

Page 15: ...ed by the device 3 2 10 Password protection on OFF When the password protection is activated on settings are only possible af ter entering the correct password 0 999 3 2 11 Factory setting FAC After a...

Page 16: ...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 electrical installation Destruc...

Page 17: ...second mounting clip required see ordering information to a position that it projects bey ond the enclosure Then fix the device using two M4 screws 2 Wiring Connect the device according the wiring dia...

Page 18: ...elements in use Ele ment Function RL Reload function with memory off L I I2 Response value I n2 as mA Main alarm I1 Response value I n1 as of I n2 Prewarning r1 1 r2 2 Alarm relay K1 Alarm relay K2 I...

Page 19: ...arm 2 lights yellow Res ponse value 2 reached I n2 13 mA M 13 mA flow through the measuring current transformer Fault memory active T Test button 1 5 s To indicate the available display ele ments to s...

Page 20: ...n of the respective function Menu Sub Menu Menu item Activa tion Adjustable parameter AL res ponse values I2 HI I n2 Main alarm I1 HI I n1 as of I n2 Prewarning Hys Hysteresis I n1 I n2 out output con...

Page 21: ...ponse delay K1 t on 2 Response delay K2 t Starting delay t off Delay on release K1 K2 Set device control I 12 HI Selectable parameters High window function low off Parameter setting via password FAC R...

Page 22: ...C operation n c individually for each K1 K2 Specify the number of the reload cycles Assign the alarm category I1 I n1 or I2 I n2 relay test or device error individually to K1 K2 1 r1 2 r2 t Set delay...

Page 23: ...0_D00059_04_M_XXEN 05 2021 Menu structure HiS Query the first stored alarm value ESC Move to the next higher menu level back Menu item Adjustable parameter AL out t SEt InF HiS ESC M m A t 1 5 s t 1 5...

Page 24: ...ted 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 prewarning va...

Page 25: ...021 Increasing the response value I2 main alarm overcurrent Increasing the response value I1 prewarning overcurrent Setting the hysteresis of the response value I 2 m A I 2 m A I 2 m A I 2 m A I 2 m A...

Page 26: ...M_XXEN 05 2021 5 6 2 Setting the fault memory and alarm relay operating mode Setting the fault memory to con mode Setting the alarm relay K1 to N O operation n o Setting the number of reload cycles M...

Page 27: ...rent monitor can be assigned to the alarm relays K1 r1 1 and K2 r2 2 By default the alarm relays K1 and K2 signal prewarning and alarm in case of overcurrent and device related errors Alarm relay K1 D...

Page 28: ...ting the category Alarm by device test When an alarm 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...

Page 29: ...e device is being started Common delay on release toff 0 99 s for K1 K2 The setting toff is only relevant when the fault memory M is deactivated The operating steps for the setting of the response del...

Page 30: ...parame ters HI Lo and In By default overcurrent operation HI is set 5 6 6 Factory setting and password protection Use this menu to activate the password protection to change the password or to deacti...

Page 31: ...Operation and setting 31 RCMA420_D00059_04_M_XXEN 05 2021 b Changing the password c Deactivating the password protection on 12 I 2x 1 5 s on off off 12 I 2x 1 5 s...

Page 32: ...a scrolling text Once one pass is completed you can select individual data sections using the Up Down keys 5 6 8 History memory query The history memory can be selected via the menu HiS Use the Up an...

Page 33: ...ue overcurrent I1 prewarning Response value overcurrent I2 main alarm Hysteresis Fault memory M Operating mode K1 K2 Starting delay Response delay Delay on release Password 15 mA 50 of I2 30 mA 15 act...

Page 34: ...he fault the error code will be automati cally deleted E 02 Fault CT connection monitoring during manual self test Appropriate action Check CT connection for short circuit or inter ruption After elimi...

Page 35: ...voltage RCM420 D 1 Supply voltage rangeUs AC 24 60 V DC 24 78 V Operating rangeUs AC 16 72 V DC 9 6 94 V Frequency rangeUs DC 42 460 Hz RCM420 D 2 Supply voltage rangeUs AC DC 100 250 V Operating ran...

Page 36: ...Delay on release toff 0 99 s 1 s Operating time tae at I n 1 x I n1 2 180 ms Operating time tae at I n 5 x I n1 2 30 ms Response timetan tan tae ton1 2 Recovery time tb 300 ms Displays memory Display...

Page 37: ...10 mA 5 V DC Environment EMC EMC DIN EN 62020 Operating temperature 25 C 55 C Classification of climatic conditions IEC 60721 except condensation and formation of ice Stationary use IEC 60721 3 3 3K2...

Page 38: ...ngth 10 mm Opening force 50 N Test opening diameter 2 1 mm Other Operating mode continuous operation Position of normal use display oriented Degree of protection internal components IEC 60529 IP30 Deg...

Page 39: ...l operating current ranges Type 10 500 mA CTUB101 CTBC20 P 30 mA 10 A CTUB101 CTBC35 P CTUB101 CTBC60 P RCMA420 D 1 RCMA420 D 2 Response range I n 10 500 mA 10 500 mA Rated frequency 0 2000 Hz 0 2000...

Page 40: ...screw fixing 1 piece per device B 9806 0008 Type Inside diameter mm Shielded Art No CTUB101 CTBC20 20 mm B78120010 CTUB101 CTBC20P X B78120020 CTUB101 CTBC35 35 mm B78120012 CTUB101 CTBC35P X B7812002...

Page 41: ...e Document version State Changes 02 2020 03 Editorial revision Chapter 4 Wiring diagram Chapter 6 6 Ordering information CTUB Chapter 6 3 Tolerance frequencies 05 2021 04 Editorial revision Terms prew...

Page 42: ...Data 42 RCMA420_D00059_04_M_XXEN 05 2021...

Page 43: ...ctory setting 15 16 32 Function 12 Functional faults 14 16 H How to use this manual 5 I Installation 16 17 Installation and connection 16 Intended use 11 K K1 K2 assignment alarm category 20 L LED Ala...

Page 44: ...on 15 R Reset button 19 Residual current monitoring in window discriminator mode 15 Residualoperatingcurrentrangesofthedif ferentmeasuringcurrenttransformers 39 Response delay ton 14 S Select the appr...

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Page 48: ...der GmbH Co KG PO Box 1161 35301 Gr nberg Germany Londorfer Strasse 65 35305 Gr nberg Germany Tel 49 6401 807 0 Fax 49 6401 807 259 E Mail info bender de www bender de Photos Bender archives BENDER Gr...

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