Related Manuals for Bender RCMA420-DM
Summary of Contents for Bender RCMA420-DM
- Page 1 Manual RCMA420-DM Residual current monitor for monitoring AC, DC and pulsed currents in TN and TT systems with an analogue interface Software version: D242 V1.2x RCMA420-DM_D00060_02_M_XXEN/06.2016...
- Page 2 Bender 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 © Bender GmbH & Co. KG All rights reserved.
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Page 3: Table Of Contents
Table of Contents 1. Important information ..................7 How to use this manual ................. 7 Technical support: service and support ........... 8 1.2.1 First level support ..................... 8 1.2.2 Repair service ..................... 8 1.2.3 Field service ......................9 Training courses ..................... 10 Delivery conditions .................. - Page 4 Table of Contents 3.2.10 Erasable history memory ................18 3.2.11 External, combined test/reset button T/R ..........18 3.2.12 Fault memory ....................18 3.2.13 Interface option ..................... 18 4. Installation and connection ................. 19 5. Operation and setting .................. 21 Display elements in use ................21 Function of the operating elements ............
- Page 5 Table of Contents Commissioning ....................33 Factory setting ....................33 Error codes ....................... 34 6. Technical data ....................35 Data in tabular form ..................35 Standards, approvals and certifications ..........38 Ordering information ................... 39 Current and voltage curves of the analogue interface ....40 INDEX ........................
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Page 7: Important Information
1. Important information 1.1 How to use this manual This manual is intended for qualified personnel working in electrical engineering and electronics! Always keep this manual within easy reach for future reference. To make it easier for you to understand and revisit certain sections in this man- ual, we have used symbols to identify important instructions and information. -
Page 8: Technical Support: Service And Support
Important information This manual has been compiled with great care. It might nevertheless contain errors and mistakes. Bender cannot accept any liability for injury to persons or damage to property resulting from errors or mistakes in this manual. 1.2 Technical support: service and support For commissioning and troubleshooting Bender offers you: 1.2.1... -
Page 9: Field Service
Important information Bender GmbH, Repair-Service, Londorfer Str. 65, 35305 Gruenberg 1.2.3 Field service On-site service for all Bender products Commissioning, configuring, maintenance, troubleshooting of Bender products Analysis of the electrical installation in the building (power quality test, ... -
Page 10: Training Courses
ZVEI (Zentralverband Elektrotechnik- und Elektronikindustrie e. V.) (German Electrical and Electron- ic Manufacturer's Association) also applies. Sale and delivery conditions can be obtained from Bender in printed or elec- tronic format. 1.5 Inspection, transport and storage Inspect the dispatch and equipment packaging for damage, and compare the contents of the package with the delivery documents. -
Page 11: Warranty And Liability
Important information 1.6 Warranty and liability Warranty and liability claims in the event of injury to persons or damage to property are excluded if they can be attributed to one or more of the follow- ing causes: Improper use of the device. ... -
Page 12: Disposal
13 August 2005 must be taken back by the manufacturer and disposed of properly. For more information on the disposal of Bender devices, refer to our homepage at www.bender-de.com -> Service & support. -
Page 13: Safety Instructions
2. Safety instructions 2.1 General safety instructions Part of the device documentation in addition to this manual is the enclosed "Safety instructions for Bender products". 2.2 Work activities on electrical installations Only qualified personnel are permitted to carry out the work necessary to install, commission and run a device or system. -
Page 14: Intended Use
Safety instructions 2.3 Intended use The AC/DC sensitive residual current monitor RCMA420-DM is designed for use in earthed systems (TN and TT systems) where DC and AC fault currents may occur. These are in particular loads containing six-pulse rectifiers or one way rectifiers with smoothing, such as converters, battery chargers, construc- tion site equipment with frequency-controlled drives. -
Page 15: Function
3. Function 3.1 Device features AC/DC sensitive residual current monitor Type B according to IEC 62020 and IEC 60755 Two separately adjustable response ranges (prewarning, alarm) Adjustable switching hysteresis R.m.s. value measurement Start-up delay Measured value display via multi-functional LC display ... -
Page 16: Connection Monitoring
Function 3.2.1 Connection monitoring The CT connections are continuously monitored. In the event of a fault, the alarm LEDs AL1 / AL2 / ON flash (Error Code E.01). 3.2.2 Fast response value query With the display in standard mode, the currently measured response values and I can be queried pressing the Up and Down keys ( <... -
Page 17: Start-Up Delay T
Function 3.2.6 Start-up delay After connection to the supply voltage U , the alarm indication is delayed by the preset time t (0…10 s). 3.2.7 Residual current monitoring in window discriminator mode Change the measuring principle by selecting the window mode (SEt / In). In the window discriminator mode, the threshold values I1 and I2 represent the upper and the lower value. -
Page 18: Erasable History Memory
(full scale of the connected measuring device), only use the output you have selected via the software: – DC 0…400 μA Current output for Bender measuring instruments of the 96.. series. – DC 0…20 mA / DC 4…20 mA Standardized current output with selectable current ranges. -
Page 19: Installation And Connection
4. Installation and connection Only qualified personnel are permitted to carry out 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 ... - Page 20 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 a tool to move the rear mounting clips (a second mounting clip required, see ordering information) to a position that it projects bey- ond the enclosure.
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Page 21: Operation And Setting
5. Operation and setting 5.1 Display elements in use A detailed description of the meaning of the display elements is given in the table below. Display elements in use Element Function Response value I as mA Δn2 (Alarm 2) Response value I as % of I Δn1 Δn2... -
Page 22: Function Of The Operating Elements
Operation and setting 5.2 Function of the operating elements Device front Element Function lights continuously: Power On LED, flashes: green System fault or connection monito- ring fault LED Alarm 1 lights (yellow): AL1, Response value 1 reached Δ AL1 AL2 LED Alarm 2 lights (yellow): Res- ponse value 2 reached Δ... -
Page 23: Menu Structure
Operation and setting 5.3 Menu structure All adjustable parameters are listed in the columns "menu item" and "adjus- table parameters". A display-like representation is used to illustrate the para- meters in the column menu item. Menu Activati Menu Submenu Adjustable parameter item (Alarm 2) >... -
Page 24: Display In Standard Mode
Operation and setting 5.4 Display in standard mode By default, the currently measured residual current is displayed. The current response values I1 (prewarning) and I2 (alarm) can be displayed using the Up and Down key. Press the Enter key to return to the measured value. In the standard mode, the currently set response values I1 and I2 can be displayed using the Up and Down keys. - Page 25 Operation and setting Device control parameter setting: – Select the appropriate parameter for response values: overcurrent mode (HI), undercurrent mode (Lo) or window mode (In). – Enable or disable password protection, change password – Re-establish factory settings. – Service menu SyS blocked Query hard and software version Query the first stored alarm value.
- Page 26 Operation and setting Parameter settings An example is given here on how to change the alarm response value I1 (I Δn1 It is presumed that the option overcurrent (HI) has been selected in the SEt/I 12 menu (factory setting). Proceed as follows: 1.
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Page 27: Response Value Setting For Overcurrent
Operation and setting 5.5.3 Response value setting for overcurrent: - Response value I2 (overcurrent) - Response value I1 (overcurrent) - Hysteresis (Hys) of the response values I1, I2 Increasing the response value I2 (Example: overcurrent) Increasing the response value I1 (prewarning overcurrent) Setting the hysteresis of the response value RCMA420-DM_D00060_02_M_XXEN/06.2016... -
Page 28: Setting The Fault Memory To Con Mode
Operation and setting 5.5.4 Setting the fault memory to con mode 5.5.5 Selecting the output current range of the analogue interface 0.0.4 mA means 0…400 μA; 0.20 mA means 0…20 mA; 4.20 mA means 4…20 mA 5.5.6 Select output voltage range of the analogue interface 0.10 V means 0…10 V RCMA420-DM_D00060_02_M_XXEN/06.2016... -
Page 29: Setting The 100% Reference Related To The Analogue Interface
Operation and setting 5.5.7 Setting the 100% reference related to the analogue interface. Set here whether the 100% value of the output signal is to be referred to res- ponse value I2 (I ) (AL) or to a freely configurable value. Select the approp- Δn2 riate value from the range 10 mA…500 mA. -
Page 30: Setting The Time Delays
Operation and setting 5.5.8 Setting the time delays The following delays can be set: start-up delay t (0…10 s) when the device is being started Setting the start-up delay 5.5.9 Changing from overcurrent operation to window operation Use this menu item to set whether the response values of the device apply to overcurrent (HI) or undercurrent operation (Lo). -
Page 31: Factory Setting And Password Protection
Operation and setting 5.5.10 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 b) Changing the password RCMA420-DM_D00060_02_M_XXEN/06.2016... -
Page 32: Restoring Factory Settings
Operation and setting c) Deactivating the password protection 5.5.11 Restoring factory settings 5.5.12 Device information query (Example) This function is used to query the software (1.xx) version. 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. -
Page 33: History Memory Query
Operation and setting 5.5.13 History memory query The history memory can be selected via the menu HiS. Use the Up and Down keys to view the next display. If Clr and M is flashing, the history memory can be cleared by pressing the Enter key. 5.6 Commissioning Prior to commissioning, check proper connection of the residual current mo- nitor. -
Page 34: Error Codes
Error codes > 02 occurs: Appropriate action: Carry out a reset. Reset the device to factory setting. E… After eliminating the fault, the error code will be auto- matically deleted. If the fault continues to exist, please contact the Bender Service. RCMA420-DM_D00060_02_M_XXEN/06.2016... -
Page 35: Technical Data
6. Technical data 6.1 Data in tabular form ( )* = factory setting Insulation coordination acc. to IEC 60664-1 / IEC 60664-3 RCMA420-DM-D-1: Rated insulation voltage ......................... 100 V Overvoltage category/ pollution degree.................... III/3 Rated impulse voltage ........................2,5 kV RCMA420-DM-D-2: Rated insulation voltage ........................ - Page 36 Technical data Measuring range DC ........................... 3…600 mA Relative uncertainty (overcurrent) for f ≤ 2 Hz or ≥ 16 Hz ............... 0…-35 % Relative uncertainty (overcurrent) for f >2 Hz…<16 Hz ............. -35 %…+100 % Relative uncertainty (undercurrent) for f ≤ 2 Hz or ≥ 16 Hz ..............0…-35 % Relative uncertainty (undercurrent) for f >2 Hz…<16 Hz ............
- Page 37 Technical data Current outputs: Short-circuit current ......................≤ 30 mA, short-circuit proof Current output ..........................DC 0/4…20 mA Load ................................. ≤ 500 Ω Resolution ................................0,1 mA Actuating time 1 x I ............................> 1,8 s Δn Actuating time 5 x I ............................> 360 ms Δn Current output ............................
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Page 38: Standards, Approvals And Certifications
Technical data Connection type......................push-wire terminals Connection properties: Rigid .......................... 0.2…2.5 mm ( AWG 24…14) Flexible without ferrules ..................0.75…2.5 mm ( AWG 19…14) Flexible with ferrules....................0.2…1.5 mm ( AWG 24…16) Stripping length ..............................10 mm Opening force................................50 N Test opening, diameter............................ -
Page 39: Ordering Information
Measuring current transformer connecting cable Type Length (m) Art. No. WX100 B 9808 0503 WX250 B 9808 0504 WX500 B 9808 0505 WX1000 B 9808 0506 Accessories RCMA420-DM Mounting clip for screw fixing (1 piece per device) ................. B 9806 0008 RCMA420-DM_D00060_02_M_XXEN/06.2016... -
Page 40: Current And Voltage Curves Of The Analogue Interface
Technical data Accessories measuring current transformers Snap-on mounting for DIN rail: W20AB /W35AB(P) ................B 9808 0501 Snap-on mounting for DIN rail: W60AB(P) ....................B 9808 0502 6.4 Current and voltage curves of the analogue interface Current output 0/4…20 mA Current output 0…400 μA Current output 0…10 V RCMA420-DM_D00060_02_M_XXEN/06.2016... -
Page 41: Index
INDEX Adjustable parameters, list 23 LED Alarm 1 lights 22 Automatic self test 16 LED Alarm 2 lights 22 Deleting the fault alarms 22 Manual self test 16 Device features 15 Menu Display elements in use 21 - AL (response values) 23 Display in standard mode 24 - HiS (history memory for the first alarm value) 23... - Page 42 analogue interface 28 - Selecting the output current range of Window operation 30 the analogue interface 28 Wiring diagram 20 - Set response values 27 Work activities on electrical installations 13 - Setting the time delays 30 workshops 10 Password protection 17 Reset button 22 Residual current monitoring in window discriminator mode 17...
- Page 44 Bender 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 Group Photos: Bender archives...
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