Subscribe to Our Youtube Channel
Related Manuals for Bender RCMB300 Series
Summary of Contents for Bender RCMB300 Series
- Page 1 Manual EN RCMB300-series AC/DC sensitive residual current monitoring modules with an integrated measuring current transformer RCMB300-series_D0372_04_M_XXEN/08.2024...
- Page 2 RCMB300-series_D0372_04_M_XXEN/08.2024...
-
Page 3: Table Of Contents
Indication of important instructions and information...............5 Signs and symbols............................5 Service and Support............................5 Training courses and seminars........................6 Delivery conditions............................6 Inspection, transport and storage......................6 Warranty and liability.............................6 Disposal of Bender devices..........................7 1.10 Safety..................................7 Product description......................8 Intended use..............................8 Area of application............................8 Device features..............................8 Variants................................ - Page 4 Table of contents Test, reset, function test....................21 Periodic self test............................21 Manual self test..............................21 6.2.1 Integrated "T" button..........................21 6.2.2 External test/reset button..........................21 Modbus register......................22 Overview................................22 7.1.1 Read and write accesses..........................22 7.1.2 Formats used..............................22 7.1.3 Register areas..............................22 7.1.4 Representation of values..........................23 7.1.5...
-
Page 5: General Information
Protect from dust Temperature range Recycling RoHS directives Service and Support Information and contact details about customer service, repair service or field service for Bender devices are available on the following website: Fast assistance | Bender GmbH & Co. KG. RCMB300-series_D0372_04_M_XXEN/08.2024... -
Page 6: Training Courses And Seminars
Regular face-to-face or online seminars for customers and other interested parties: www.bender.de > know-how > seminars. Delivery conditions The conditions of sale and delivery set out by Bender GmbH & Co. KG apply. These can be obtained in printed or electronic format. The following applies to software products: "Software clause in respect of the licensing of standard software as part of deliveries,... -
Page 7: Disposal Of Bender Devices
RCMB300-series Disposal of Bender devices Abide by the national regulations and laws governing the disposal of this device. For more information on the disposal of Bender devices, refer to www.bender.de > service & support. 1.10 Safety If the device is used outside the Federal Republic of Germany, the applicable local standards and regulations must be complied with. -
Page 8: Product Description
Any other use than that described in this document is regarded as improper. Area of application The residual current monitoring modules of the RCMB300 series are intended for measuring AC and DC fault currents in earthed systems (TN and TT systems). The modules are able to measure residual currents up to I = 20 A in a frequency range of DC…100 kHz. -
Page 9: Variants
RCMB300-series • Use of the RCMB301 for all CTBC… measuring current transformer sizes • Supply voltage DC 24 V Variants Electronic modules • RCMB301 Type B modular residual current module acc. to IEC 60755 Measuring current transformers (P = shielded) •... -
Page 10: Delay Times T , T, T On
Product description Test Press the "T" button or the external test button for 5…10 s to start the manual self test of the device. Reset Press the "T" button or the external test button for 1.5...5 s to reset the device. RS-485 interface The RS-485 interface enables both reading out the measured values and setting the parameters of the device via Modbus RTU. -
Page 11: Mounting
RCMB300-series Mounting Only skilled persons are permitted to carry out the work necessary to install, put into service and run a device or system. DANGER Risk of fatal injury due to electric shock! Touching live parts of the system carries the risk of: •... -
Page 12: Dimension Diagrams
Mounting Dimension diagrams CTBC20(P) / CTBC35(P) CTBC60(P) CTBC120(P) / CTBC210(P) RCMB301 Type RCMB301-CTBC20(P) ø 20 RCMB301-CTBC35(P) ø 35 RCMB301-CTBC60(P) ø 60 RCMB301-CTBC120(P) ø 120 RCMB301-CTBC210(P) ø 210 RCMB301 all dimensions in mm, tolerance ±0.5 mm RCMB300-series_D0372_04_M_XXEN/08.2024... -
Page 13: Mountings
RCMB300-series Mountings CTBC20(P) / CTBC35(P) CTBC60(P) CTBC120(P) / CTBC210(P) Type CTBC20(P) 31.4 2 x ø 5.5 CTBC35(P) 49.8 2 x ø 5.5 CTBC60(P) 2 x ø 6.5 CTBC120(P) 4 x ø 6.5 CTBC210(P) 4 x ø 6.5 all dimensions in mm, tolerance ±0.5 mm Assembly Slide the electronic module onto the plug contacts of the measuring current transformer. -
Page 14: Connecting The Device
Connecting the device Connecting the device DANGER Risk of fatal injury due to electric shock! Touching live parts of the system carries the risk of: • Risk of electrocution due to electric shock • Damage to the electrical installation • Destruction of the device Before installing the device and before working on its connections, make sure that the installation has been de-energised. -
Page 15: Wiring Diagram
RCMB300-series Wiring diagram 11, 12, 14 = 21, 22, 24 = Legend Relay for prewarning Relay for main alarm surge protection device The use of a type 2 surge protection device (SPD) is mandatory due to possible impulse voltages and in order to comply with normative requirements. -
Page 16: Connection Rs-485 Interface (Modbus Rtu)
Connecting the device Connection RS-485 interface (Modbus RTU) The internal 120 terminating resistor can be connected by using the wire jumper. The internal 120 terminating resistor can be connected by means of the DIP switch. Installation instructions for measuring current transformers CAUTION Device damage due to high induction currents! High currents can be induced into the conductor loop due to the AC/DC sensitive measurement... - Page 17 RCMB300-series Bending of cables The cables/conductors should only be bent at a certain distance from the measuring current transformer. * Distance to the 90° angle of the conductors: 2 x outer diameter of the measuring current transformer. Route cables in the centre The cables/conductors must be centred in the middle of the measuring current transformer.
-
Page 18: Commissioning
Commissioning Commissioning Setting addresses Every RCMB30… has a factory-set Modbus address. The address is 1XX, where XX = the last two digits of the serial number. Example: Serial number = 12345678 --> Modbus address = 178 If the preset address is to be changed, this can be done •... -
Page 19: Offset Calibration
RCMB300-series Phase Action Press "T" repeatedly until reaching the Each keystroke is confirmed with green (E) desired digit of the units place Units place Acknowledge the entry: Press and hold Lights green shortly (E) "T" until the LED flashes red; release LED flashes red (C) afterwards Press "T"... -
Page 20: Completing And Checking Installation
Commissioning The alarm relays switch to safe state during offset calibration. Procedure of the first offset calibration Phase Action Install the measuring current transformer in the system Plug the electronic module and the measuring current transformer together (see “Assembly”, page 13), do not apply any supply voltage. -
Page 21: Test, Reset, Function Test
RCMB300-series Test, reset, function test Periodic self test The RCMB30… electronic module carries out a self diagnosis at regular intervals and thus ensures the device function. The electronic module feeds a test current into the test winding of the measuring current transformer. -
Page 22: Modbus Register
Modbus register Modbus register This chapter provides a complete description of the Modbus register for the MRCDB300/RCMB300 series to allow access to information. The following Modbus function codes are supported • Holding register for reading out values (Read Holding Register; function code 0x03) •... -
Page 23: Representation Of Values
RCMB300-series 7.1.4 Representation of values Value Description Value Description No test Hertz Test status Internal test Baud External test Farad No alarm Henry Prewarning Degree Celsius Error Degree Fahrenheit Alarm status Reserved Second Warning Minute Main alarm Hour Unit < Month Range >... -
Page 24: Descriptions
String UTF-8 Serial number Example: yyyyyyyyy\0 Maximum 96 characters (\0 = 1098 String UTF-8 Manufacturer name end character) Bender GmbH & Co. KG\0 Character is in the LoByte 1194 UINT16 Application D-number Version number multiplied by 1195 UINT16 Application version Example: 123 = V1.23... -
Page 25: Detailed Measured Values
With the detailed measured values, status information and units etc. are also transmitted in addition to the measured values. This function is mainly required for the Bender COMTRAXX® system. However, it can also be of interest for direct readout of the Modbus registers, as these registers can be used to query the measured values and associated status information all at once and in direct succession. -
Page 26: General Measured Values
Modbus register Pro- Register Format Description Value/unit perty 4032 UINT16 Measuring channel number (3) 4033 Float32 Residual current measured value (RMS) 4035 UINT16 Test and alarm status 4036 UINT16 Range and unit 4037 UINT16 Description 4038…4047 Reserved 4048 UINT16 Measuring channel number (4) 4049 Float32 Device error and status information... -
Page 27: Error Codes
0.10 Connection fault Connection CT connection faulty and measuring current transformer. Component The manual self test was not Return the device or contact Bender 3.30 Manual self test malfunction run without errors. service. The error is deleted either by switching the device off/ on or by performing a reset. -
Page 28: History
(if this is successful). Internal If error occurs frequently, return the device 7.10 interface error or contact Bender service. 8.00, 8.43 8.44, 8.46 If error occurs frequently, return the device Hardware error 8.47, 8.49; or contact Bender service. -
Page 29: Device Parameters And Factory Settings
RCMB300-series Pro- Register Format Description Value/unit/comment perty 12014 UINT16 Event 1 description 12015…12017 Reserved 12018… 12035 Event 2 12036… 12899 Event 3…50 12900…15999 Reserved When register 12000 is read out, the entire history memory is updated. This way, the data remains consistent. If no time has been set in register 16084: time in s from the occurrence of the event to the readout of register 12000 (indicates how long before the history memory was read out the event occurred) If a time is set in register 16084: UNIX time of the event. - Page 30 Modbus register Value range Register Format Property Description Unit RCMB301 {Step size} 0.03…3.00 A 16024 Float32 Limit value main alarm 0.03 A {1 mA} 50…100 % 16026 Float32 Limit value prewarning 60 % {1 %} 16028 Float32 Hysteresis 10…25 % 15 % 50 ms main alarm...
- Page 31 RCMB300-series Value range Register Format Property Description Unit RCMB301 {Step size} 1 = N/C principle 16056 UINT16 Relay mode 2 = N/O principle Alarm assignment 16057 UINT16 start alarm Alarm assignment 16058 UINT16 device error 16059 UINT16 Alarm assignment test 2 (fixed) Alarm assignment limit value violation...
- Page 32 Modbus register Value range Register Format Property Description Unit RCMB301 {Step size} 0 = off 1 = on 2 = CEST (Automat. switchover: 16088 UINT16 Summer time Central Europe) 3 = DST (Automatic switchover: USA/ CDN) 1 = do not overwrite 16089 UINT16 Overwrite history memory...
-
Page 33: Control Commands
RCMB300-series Control commands Pro- Factory Register Format Description Value/unit/comment perty setting Manual device tripping test. Same behaviour as test button. Read 1 = test inactive/completed 20000 UINT16 Device test 2 = test running Write 2 = start test Deleting fault and alarm messages. Same behaviour as reset 20001 UINT16 Device reset... -
Page 34: Additional Function Codes
Modbus register Additional function codes Diagnostic (function code 0x08) Sub-function code Sub-function code name Error counter Supported Notes number (decimal) Return Query Data Restart Communication Return Diagnostic Register Change ASCII Input Delimiter Force Listen Only Mode Reserved 5…9 Clear Counters and Diagnostic Register Return Bus Message Count Return Bus Communication Error Count... - Page 35 RCMB300-series Response Notes Manufacturer name Same information as register 1098. Device name Same information as register 1002. Application D number Same information as register 1194. Output as ASCII string. Application version Same information as register 1195. Application Build number Same information as register 1196. Installation location Same information as register 1234.
-
Page 36: Technical Data
Technical data Technical data System states: LED and output relays slowly Error medium Mode change quickly Ready for address setting mode slowly flashing Address setting mode once Confirmation The LED indicates the system state by means of colours and lighting/flashing. The changeover contacts of relay outputs K1 and K2 have defined switching positions for each system state. - Page 37 RCMB300-series Changeover contact System state Notes Alarm (green) (red) The reset status is achieved by pressing and holding the "T" button in the alarm Flashes Reset status. To perform the reset, release the slowly "T" button when the red LED flashes slowly (1.5...5 s).
-
Page 38: Diagrams
Technical data Diagrams 8.2.1 Frequency responses Low passes TP Type B+ RCMB300-series_D0372_04_M_XXEN/08.2024... - Page 39 RCMB300-series Type B Fire protection 100 kHz RCMB300-series_D0372_04_M_XXEN/08.2024...
-
Page 40: Tabular Data
Technical data Tabular data ( )* = factory setting Insulation coordination acc. to IEC 60664-1/IEC 60664-3 Definitions Measuring circuit (IC1) Primary conductors routed through the current transformer Terminal block 1 Secondary (IC2) (24 V, GND, T/R, GND, A, B, X1, X2) Control circuit 1 (IC3) Terminal block 2 (11, 12, 14) Control circuit 2 (IC4) - Page 41 RCMB300-series Supply voltage Supply voltage U DC 24 V Operating range of U ±20 % Ripple U ≤ 1 % Power consumption ≤ 2.5 W Inrush current 1.7 A for 1 ms Measuring circuit Internal diameter measuring current transformer see “Dimension diagrams”, page 12 Characteristics according to IEC 62020 and IEC/TR AC/DC sensitive, type B 60755...
-
Page 42: Time Response
Technical data Possible response values (to be set on the evaluator) CTBC20, CTBC20P 10…500 mA CTBC35, CTBC35P, CTUBC60, CTBC60P 30 mA…10 A CTBC120P, CTBC210P 100 mA…10 A CTBC120, CTBC210 300 mA…10 A Time response Response delay t 50 ms…60 min (freely configurable), (50 ms)* Note: To satisfy IEC 62020-01, t may not be set to more than 9.8 s... - Page 43 RCMB300-series Rated operational current AC 5 A/3 A Rated operational current AC (for UL applications) 3 A/3 A Rated operational voltage DC 220/110/24 V Utilisation category DC12 Rated operational current DC 0.1/0.2/1 A Minimum current 10 mA at DC 5 V Electrical endurance, number of cycles 10.000 Environment/EMC...
- Page 44 Technical data Connection properties rigid 0.2…2.5 mm² (AWG 24…13) flexible 0.2…2.5 mm² (AWG 24…13) with ferrules 0.25…2.5 mm² (AWG 24…13) Mounting CTBC… Screw type CTBC20…60(P) DIN EN ISO 7045 - M5 CTCB120…210(P) DIN EN ISO 7045 - M6 Washer type CTBC20…60(P) DIN EN ISO 7089/7090 - 5 CTCB120…210(P)
-
Page 45: Standards And Certifications
Weight CTBC210P ≤ 4870 g Standards and certifications Conformity EU Declaration of Conformity The EU Declaration of Conformity is available at the following Internet address: https://www.bender.de/fileadmin/content/Products/CE/CEKO_RCMB30x.pdf Ordering details Electronic modules Supply voltage Variant Type Art.No. DC 24 V (19.2…28.8 V) -
Page 46: Document Revision History
Technical data Accessories Description Art. No. USB to RS-485 interface converter B95012045 Terminal set for RCMB301 module * B74043124 Snap-on mounting for CTBC20 and CTBC20P * B91080111 Snap-on mounting for CTBC35 and CTBC35P * B91080112 Included in scope of delivery Suitable system components Max. - Page 47 RCMB300-series RCMB300-series_D0372_04_M_XXEN/08.2024...
- Page 48 Alle Rechte vorbehalten. 35305 Grünberg Nachdruck und Vervielfältigung nur mit Germany Genehmigung des Herausgebers. © Bender GmbH & Co. KG, Germany Subject to change! The specified Tel.: +49 6401 807-0 All rights reserved. standards take into account the edition info@bender.de Reprinting and duplicating only with valid until 08.2024 unless otherwise...
Need help?
Do you have a question about the RCMB300 Series and is the answer not in the manual?
Questions and answers