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Manual

RCMA426H-DCB

Residual current monitor

for monitoring AC, DC and pulsed DC currents

in earthed and resistance earthed systems

Software version D312 V1.0x

RCMA426H-DCB_D00066_00_M_XXEN/05.2014

Summary of Contents for RCMA426H-DCB

Page 1: ...Manual RCMA426H DCB Residual current monitor for monitoring AC DC and pulsed DC currents in earthed and resistance earthed systems Software version D312 V1 0x RCMA426H DCB_D00066_00_M_XXEN 05 2014...

Page 2: ...rinting only with permission of the publisher Subject to change Bender GmbH Co KG P O Box 1161 35301 Gruenberg Germany Londorfer Str 65 35305 Gruenberg Germany Tel 49 6401 807 0 Fax 49 6401 807 259 E...

Page 3: ...3 2 2 Quick query of the rated residual operating current 11 3 2 3 Self test automatic 11 3 2 4 Self test manual 11 3 2 5 Malfunction 11 3 2 6 Password protection on OFF 12 3 2 7 Factory setting FAC...

Page 4: ...he InF menu 22 5 7 3 Setting the bus address 22 5 7 4 Making settings in the SEt menu 23 5 7 5 Querying and erasing the fault memory in the HIS menu 26 6 Technical data 27 6 1 Data RCMA426H DCB 2 in t...

Page 5: ...idual current monitor RCMA426H DCB with its inter nal measuring current transformer is used to monitor earthed and resistive earthed systems TN and TT systems in which DC and AC fault currents may occ...

Page 6: ...Making effective use of this document 6 RCMA426H DCB_D00066_00_M_XXEN 05 2014...

Page 7: ...he work necessary to install commission and run a device or system Compliance with applicable regulations governing work on electrical installations and with the regulations derived from and associate...

Page 8: ...Safety instructions 8 RCMA426H DCB_D00066_00_M_XXEN 05 2014...

Page 9: ...ection to prevent unauthorised changes being made to device settings Permanent fault memory N C operation of alarm relay Device test when the power supply voltage is connected Automatic self test ever...

Page 10: ...ase value the error will continue to be signalled due to the permanently activated fault memory The alarm relay K2 will not switch back to the initial state and the TRP alarm LED will not go out until...

Page 11: ...own When the button is released the tES test symbol appears and the manual self test commences During the manual self test an internal test current of approx 7 mA is evalu ated Consequently the TPD al...

Page 12: ...xcep tion of the device address to the default upon delivery 3 2 8 Erasable history memory HiS The first alarm value to occur is written to this memory The memory can be erased via the HiS menu 3 2 9...

Page 13: ...agram and drawing for screw fixing The front plate cover is easy to open at the lower part marked by an arrow Makesurethattheinstallationareahasbeen de energisedand ensure compliance with the regulati...

Page 14: ...Fix the device in place with two M4 screws 2 Wiring The device must be wired as illustrated in the wiring diagram exam ple Terminal Connections A1 A2 Connection to the power supply T1 T2 Test connect...

Page 15: ...ng current transformer and the associ ated contactors and peripherals have been connected correctly Rated residual operating cur rent fixed value Hysteresis fixed value Bus address Bus terminating res...

Page 16: ...Installation and connection 16 RCMA426H DCB_D00066_00_M_XXEN 05 2014...

Page 17: ...LED Flashes in the event of system errors An error code will appear on the dis play e g E 03 4 DISPLAY Displays operating information 5 ENTER 1 5 s MENU 1 5 s button Press this button to apply entries...

Page 18: ...n button to display the factory set rated residual operat ing current I n Pressing the Enter button restores the measured value In standard operation the display can be toggled to the fixed rated resi...

Page 19: ...been pressed Button Button symbol Function Up Test Call up next display Go to the next menu submenu cat egory item Activate parameter Change increase parameter value Press and hold down button for mor...

Page 20: ...as an erasable fault memory To erase the fault memory Press and hold down the reset button DOWN for more than 1 5 seconds 5 6 Calling up and exiting the menu To call up the menu Press and hold down th...

Page 21: ...he ENTER button for less than 1 5 sec onds to call up a menu Press and hold down the ENTER button for more than 1 5 seconds to go to the next highest menu Menu Button to call Description Configurable...

Page 22: ...elect individual items 5 7 3 Setting the bus address 1 Select the Adr menu 2 Make changes to parameters as illustrated 3 To go back to the menu level press and hold down the ENTER button for more than...

Page 23: ...device can be reset to the factory settings 1 Select the SEt menu 2 Make changes to parameters as illustrated To go back to the menu level press and hold down the ENTER button for more than 1 5 second...

Page 24: ...password protection 4 Switch sub menu 5 Restore fac tory setting run appears on the display and the device is reset to the factory settings automatically 6 Switch sub menu SEt menu Select submenu Cha...

Page 25: ...uration 25 RCMA426H DCB_D00066_00_M_XXEN 05 2014 7 Systemmenu is locked 8 Switch sub menu 9 Go back to SEt menu SEt menu Select submenu Change activate deactivate param Change pa rameter value display...

Page 26: ...the saved error and erase if applicable 3 To go back to the menu level press and hold down the ENTER button for more than 1 5 seconds HiS menu Error display Submenu 1 Error Rated residual operating c...

Page 27: ...21 kV Supply voltage Supply voltage range Us AC DC 100 250 V Us AC DC 70 300 V Frequency range Us 42 460 Hz Power consumption 6 5 VA Measuring circuit Internal measuring current transformer diameter...

Page 28: ...ed 120 0 25 W off Bus address 2 90 2 Switching elements Number of switching elements 1 changeover contact Operating principle N C operation n c Electrical service life under rated operating conditions...

Page 29: ...ipped length 8 9mm Tightening torque 0 5 0 6 Nm Connection type push wire terminals Connection properties rigid 0 2 2 5 mm2 AWG 24 14 Flexible without ferrules 0 2 2 5 mm2 AWG 24 14 Flexible with ferr...

Page 30: ...nce the error has been eliminated Error code Meaning E 01 Error transformer connection E 02 System connection fault after finishing manual self test E 03 Fault CT connection monitoring E 04 Error foll...

Page 31: ...3 1 A26 30 10 84 3 1 A40 30 10 84 3 1 A75 30 00 84 3 A110 30 00 84 3 A145 30 00 84 3 A16 30 10 34 3 1 A26 30 10 34 3 1 A40 30 10 34 3 1 A75 30 00 34 3 A110 30 00 34 3 A145 30 00 34 3 A16 40 00 84 4 A2...

Page 32: ...D00066_00_M_XXEN 05 2014 6 4 Response times of the RCMA426H system plus contactor in accordance with UL943 30 0 560 6 5 594 264 0 0250 0 01 0 10 1 00 10 00 0 20 40 60 80 100 120 140 160 180 200 220 24...

Page 33: ...06 0008 External alarm indicator and test combination RCMA426H DCB 2 Rated residual operating current I n 6 mA Rated frequency 0 150 Hz Supply voltage US AC DC 70 300 V AC 42 460 Hz Art No with screw...

Page 34: ...ta 34 RCMA426H DCB_D00066_00_M_XXEN 05 2014 6 6 Standards approvals and certifications 6 7 Label for modified versions There will only be a label in this field if the device is different from the stan...

Page 35: ...Installation and connection 13 M Malfunction 11 Manual target group 5 Menu settings 21 Multi conductor connection 29 O Operation and configuration 17 Ordering information 33 P Parameter setting Activ...

Page 36: ...5 2014 S screw terminals 29 Self test automatic 11 Self test manual 11 20 Set bus address 22 SEt menu 23 T Technical data 27 To call up the menu 20 To exit the menu 20 W Wiring diagram 14 Work activit...

Page 37: ...37 RCMA426H DCB_D00066_00_M_XXEN 05 2014...

Page 38: ...38 RCMA426H DCB_D00066_00_M_XXEN 05 2014...

Page 39: ......

Page 40: ...Bender GmbH Co KG P O Box 1161 35301 Gruenberg Germany Londorfer Str 65 35305 Gruenberg Germany Tel 49 6401 807 0 Fax 49 6401 807 259 E Mail info bender de Web http www bender de D0006600MXXEN...

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