Related Manuals for Bender RCMA423
Summary of Contents for Bender RCMA423
- Page 1 Operating Manual RCMA423 Residual current monitor for monitoring AC-, DC- and pulsed DC currents in TN- and TT systems Software-Version: D330 V1.0x TGH1442en/06.2012...
- Page 2 Bender GmbH & Co. KG Londorfer Str. 65 • 35305 Grünberg • Germany Postfach 1161 • 35301 Grünberg • Germany Tel.: +49 6401 807-0 Fax: +49 6401 807-259 E-Mail: info@bender-de.com Web: http://www.bender-de.com © Bender GmbH & Co. KG All rights reserved.
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Page 3: Table Of Contents
Table of Contents 1. Effective use of this manual ................5 Notes for the user ..................... 5 Intended use ...................... 5 Information about factory setting ............. 6 2. Safety information ................... 7 Safety instructions ................... 7 Work activities on electrical installations ..........7 3. - Page 4 Table of Contents 4. Installation and connection ................. 13 5. Operation and setting .................. 15 Display elements ................... 15 Function of the operating elements ............16 Menu structure ....................17 Display in standard mode ................18 Display in menu mode ................19 5.5.1 Parameter query and setting: overview ..........
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Page 5: Effective Use Of This Manual
= 50…100 % of the set response value I ) and alarm ( I Δn1 Δn2 Δn2 Since the values are measured with measuring current transformers, the RCMA423 is nearly independent of the nominal voltage and the current of the system being monitored. TGH1442en/06.2012... -
Page 6: Information About Factory Setting
Effective use of this manual 1.3 Information about factory setting page 30 provides a summary of all factory settings. If you want to reset the residual current monitor to factory settings, refer to page 29. TGH1442en/06.2012... -
Page 7: Safety Information
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 ... - Page 8 Safety information TGH1442en/06.2012...
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Page 9: 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, response delay and delay on release ... -
Page 10: Connection Monitoring
Function remain in the alarm state and the LEDs light until the reset button is pressed or until the supply voltage is interrupted. The device function can be tested using the test button. The parameterisation of the device can be carried out via the LC display and the control keys integrated in the front plate and can be password-protected. -
Page 11: Functional Faults
3.2.5 Functional faults If an internal functional fault occurs, all of the three LEDs flash. An error code will appear on the display (E01...E32). In such a case please contact the Bender Service. 3.2.6 Setting the number of reload cycles... -
Page 12: Residual Current Monitoring In Window Discriminator Mode
Function out and the alarm relays switch back to their initial position. After activating the delay on release (0...99 s), the alarm state is continuously maintained for the selected period. 3.2.12 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 13: Installation And Connection
4. Installation and connection Ensure safe isolation from supply in the installation area. Ob- serve the installation rules for live working. Dimension diagram, drawing for screw mounting, push-wire ter- minal connection Zubehör/ Accessory 36 mm The front plate cover is easy to open at the lower part marked by an arrow. TGH1442en/06.2012... - Page 14 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 mounting: Use a tool to move the rear mounting clips (a second mounting clip required, see ordering information) to a position that it projects beyond the enclosure.
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Page 15: Operation And Setting
5. Operation and setting 5.1 Display elements A detailed description of the meaning of the display elements in use is given in the table below. Display elements in use Element Function Reload function with memory = off (L = I.) Response value I as mA Δn2... -
Page 16: Function Of The Operating Elements
Operation and setting 5.2 Function of the operating elements Ele- Device front Function ment Lighting continuously: Power On Flashing: green system fault or connection monitor- ing fault LED Alarm 1 lights (yellow): AL1, Response value 1 reached Δn1 LED Alarm 2 lights (yellow): Response value 2 reached Δn2 13 mA... -
Page 17: Menu Structure
Operation and setting 5.3 Menu structure All adjustable parameters are listed in the columns "menu item" and "adjusta- ble parameters". A display-like representation is used to illustrate the param- eters in the column menu item. Different alarm categories can be assigned to the alarm relays K1, K2 via the submenus r1, r2. -
Page 18: Display In Standard Mode
Operation and setting Menu Activati Menu Adjustable parameter Menu item t on 1 Response delay K1 t on 2 Response delay K2 (timing check) Start-up delay t off Delay on release K1/K2 Selectable parameters: I 12 High, window function, low Parameter setting via pass- (device con- word... -
Page 19: Display In Menu Mode
Operation and setting 5.5 Display in menu mode 5.5.1 Parameter query and setting: overview Menu Adjustable parameter item Response values query and setting: – Residual current I2 (I ) (AL2) Δn2 – Residual current I1 (I ) (AL1) Δn1 – Hysteresis of the response values: % Hys Configuration of the fault memory and the alarm relay: –... - Page 20 Operation and setting Menu structure t >1,5 s t > 1,5 s t < 1,5 s t < 1,5 s t > 1,5 s TGH1442en/06.2012...
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Page 21: Changeover From Overcurrent To Undercurrent Mode Or To Window Mode
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. -
Page 22: Response Value Setting For Overcurrent
Operation and setting 5.5.3 Response value setting for overcurrent: - Response value I2 (overcurrent I Δn2 - Response value I1 (overcurrent I Δn1 - Hysteresis (Hys) of the response values I Δn1 Δn2 Increasing the response value I2 (alarm overcurrent) Increasing the response value I1 (prewarning overcurrent) Setting the hysteresis of the response value TGH1442en/06.2012... -
Page 23: Setting The Fault Memory And Alarm Relay Operating Mode
Operation and setting 5.5.4 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 >1,5 s TGH1442en/06.2012... -
Page 24: Assigning Alarm Categories To The Alarm Relays
Operation and setting 5.5.5 Assigning alarm categories to the alarm relays Overcurrent, undercurrent and device-related errors of the residual current 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. - Page 25 Operation and setting Alarm relay K1: Activating the category response value I2 >1,5 s Alarm relay K1: Deactivating the category "Alarm by device test" >1,5 s 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 the respective alarm LED (AL1/AL2)! TGH1442en/06.2012...
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Page 26: Setting The Time Delays
Operation and setting 5.5.6 Setting the time delays The following delays can be set: Response delay t (0...10 s) for K1, and t (0...10 s) for K2 Start-up delay t (0...10 s) when the device is being started Common delay on release t (0...99 s) for K1, K2. -
Page 27: Changing From Overcurrent Operation To Window Operation
Operation and setting 5.5.7 Changing from overcurrent operation to window opera- tion Use this menu item to set whether the response values of the device apply to overcurrent (HI) or undercurrent operation (Lo). In addition, window opera- tion (In) can be selected. >1,5 s 5.5.8 Factory setting and password protection... - Page 28 Operation and setting b) Changing the password >1,5 s c) Deactivating the password protection >1,5 s TGH1442en/06.2012...
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Page 29: Restoring Factory Settings
Operation and setting 5.5.9 Restoring factory settings ..5.5.10 Device information query This function is used to query the software version (1.xx). 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 30: Commissioning
Operation and setting 5.6 Commissioning Prior to commissioning, check proper connection of the residual current monitor. 5.7 Factory setting Response value overcurrent I1 (prewarn- 15 mA (50 % of I2) ing) 30 mA Response value overcurrent I2 (alarm) 15 % Hysteresis: activated (on) Fault memory M:... -
Page 31: Technical Data
..................(A1, A2) - (k/l/T/–/GND/+, T/R) - (11, 12, 14) - (21, 22, 24) Voltage test according to IEC 61010-1 ....................... 2.21 kV Supply voltage RCMA423-D-1: Supply voltage U ....................... AC 16...72 V / DC 9.6...94 V Frequency range U ............................ - Page 32 Technical data Hysteresis ............................10...25 % (15%)* Specified time Start-up delay t ............................0...10 s (0 s)* Response delay t (prewarning) ......................0...10 s (1 s)* Response delay t (alarm) ........................0...10 s (0 s)* Delay on release t ..........................0...99 s (1 s)* ......................
- Page 33 Technical data Environment / EMC EMC ................................. IEC 62020 Operating temperature ......................... -25 ºC...+55 ºC Classification of climatic conditions IEC 60721 Stationary use (IEC 60721-3-3) ............3K5 (except condensation and formation of ice) Transportation (IEC 60721-3-2) ............2K3 (except condensation and formation of ice) Storage (IEC 60721-3-1) ..............1K4 (except condensation and formation of ice) Classification of mechanical conditions acc.
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Page 34: Standards, Approvals And Certifications
Technical data DIN rail mounting acc. to..........................IEC 60715 Screw mounting ........................2 x M4 with mounting clip Software version ............................D330 V1.0x Weight................................≤ 150 g ( )* = factory setting Residual operating current ranges of the different measuring cur- rent transformers Residual operating Art. -
Page 35: Ordering Information
WX-500 B 9808 0505 WX-1000 B 9808 0506 RCMA423 accessories Mounting clip for screw mounting (1 piece per device) ................B 9806 0008 Measuring current transformers accessories Snap-on mounting for DIN rail: W20AB /W35AB ..................B 9808 0501 Snap-on mounting for DIN rail: W60AB ....................B 9808 0502... -
Page 36: Error Codes
Appropriate action when error codes > 02 occur: Appropriate action: Carry out a reset. Reset the device to factory E..setting. After eliminating the fault, the error code will be automatically deleted. If the fault continues to exist, please contact the Bender Service. TGH1442en/06.2012... -
Page 37: Index
INDEX Adjustable parameters, list 17 K1/K2: assignment alarm category 17 Automatic self test 10 LED Alarm 1 lights 16 Connection of an additional cascaded meas- LED Alarm 2 lights 16 uring current transformer 15 Manual self test 10 Delay on release toff 11 Manual, target group 5 Deleting the fault alarms 16 Measuring current transformer connecting... - Page 38 Setting the number of reload cycles 23 Starting delay t 11 Parameter query and setting, overview 19 Starting the menu mode 16 Parameter setting - Activating or deactivating the pass- word protection 27 Technical data 31 - Activating the fault memory 23 Test button 16 - Assigning alarm categories to the alarm relays 24...
- Page 40 Bender GmbH & Co. KG Londorfer Str. 65 • 35305 Grünberg • Germany Postfach 1161 • 35301 Grünberg • Germany Tel.: +49 6401 807-0 Fax: +49 6401 807-259 E-Mail: info@bender-de.com Web: http://www.bender-de.com...