Bender LINETRAXX SmartDetect RCMS410 Manual
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Bender LINETRAXX SmartDetect RCMS410 Manual

Bender LINETRAXX SmartDetect RCMS410 Manual

Four-channel residual current monitor sensitive to ac, pulsed dc, and smooth dc software version d0632
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LINETRAXX® SmartDetect RCMS410
Four-channel residual current monitor sensitive to
AC, pulsed DC, and smooth DC
Software version D0632
RCMS410_D00424_03_M_XXEN / 05.2025

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Summary of Contents for Bender LINETRAXX SmartDetect RCMS410

  • Page 1 LINETRAXX® SmartDetect RCMS410 Four-channel residual current monitor sensitive to AC, pulsed DC, and smooth DC Software version D0632 RCMS410_D00424_03_M_XXEN / 05.2025...
  • Page 2 RCMS410_D00424_03_M_XXEN / 05.2025...

  • Page 3: Table Of Contents

    Indication of important instructions and information...............6 Service and Support............................6 Training courses and seminars........................6 Delivery conditions............................6 Inspection, transport and storage......................7 Warranty and liability.............................7 Disposal of Bender devices..........................7 Safety..................................8 Device features......................... 9 Function........................... 10 Intended Use..............................10 Functional description..........................10 3.2.1 Overview................................
  • Page 4 Table of contents 4.3.3 Wiring diagram...............................20 4.3.4 Wiring diagram...............................21 4.3.5 RS-485 interface............................. 21 Interfaces......................... 22 NFC (Near Field Communication)......................22 Digital inputs and outputs (overview)....................22 Digital input and output Q........................22 5.3.1 Input................................... 23 5.3.2 Output................................23 Output M+............................... 24 5.4.1 Digital mode..............................25 5.4.2...
  • Page 5 LINETRAXX® SmartDetect RCMS410 7.11 Function and operating-characteristics registers................50 7.12 Alarm-behaviour registers......................... 51 7.13 Time-behaviour registers........................... 51 7.14 Monitoring-functions registers........................ 52 7.15 Measuring-current-transformer registers.....................52 7.16 Device-error-code registers........................53 7.17 Control-commands registers........................55 7.18 Function-control-commands registers....................55 Error – Cause – Error correction..................58 Technical data.........................

  • Page 6: General Information

    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. RCMS410_D00424_03_M_XXEN / 05.2025...

  • Page 7: Inspection, Transport And Storage

    Bender GmbH & Co. KG is registered in the waste from electrical and electronic equipment (WEEE) register under the WEEE number: DE 43 124 402. For more information on the disposal of Bender devices, refer to www.bender.de > service & support.

  • Page 8: Safety

    General information Safety If the device is used outside the Federal Republic of Germany, the applicable local standards and regulations must be complied with. In Europe, the European standard EN 50110 applies. DANGER Risk of fatal injury due to electric shock! Touching live parts of the system carries the risk of: •...

  • Page 9: Device Features

    • Device status and Alarm LEDs • Fault-memory behaviour selectable • RS-485 with Modbus RTU • NFC interface for device parameter setting via Bender Connect App with the device energised or de- energised • Continuous CT-connection monitoring • Sealable transparent cover (optional) •...

  • Page 10: Function

    Function Function Intended Use The device combination, consisting of RCMS410 and the measuring current transformers intended for it, is designed for AC, DC and pulse-sensitive differential current measurement in TN, TT and IT systems. An RCMS410 sounds an alarm when the adjustable response values are violated. Please note that, depending on the type of current, further function modules (in particular function module B) must be enabled and activated.

  • Page 11: Connection Monitoring

    LINETRAXX® SmartDetect RCMS410 LEDs Ch1…4 Figure 3-1: Timing diagram 3.2.2 Connection monitoring The connections to the measuring current transformers are permanently monitored. In the event of a fault, a message is output via the interfaces and the status LED and the channel LED of the faulty connection flash yellow.

  • Page 12: Delay Times T B , T, T On And T Off

    Function 3.2.5 Delay times t , t, t and t The times t , t, t and t described below delay the output of alarms via LEDs, digital outputs and Modbus RTU. Recovery time t The recovery time is the time the device needs to be ready for measurement after the supply voltage U been connected.

  • Page 13: Alarm Signalling

    LINETRAXX® SmartDetect RCMS410 Undercurrent mode Set the response value for the pre-warning higher than the response value for the main alarm (≥ 110%). Response values Depending on the type of transformer connected, the following response values are available for the pre- warning and the main alarm.

  • Page 14: Automatic Measuring Range Switching

    Function 3.2.7 Automatic measuring range switching The RCMS410 device measures at least 5 times the set residual operating current (5 x I Δn However, once (5 x I ) is reached, no measured value is displayed; instead, only the fact that this limit has Δn been exceeded is reported.

  • Page 15: 3.2.11 Channel Functions

    LINETRAXX® SmartDetect RCMS410 3.2.11 Channel functions The settings for the channel functions are configured in Modbus registers 32700…32703. Measuring-current-transformer connection For each channel either the overcurrent, undercurrent, or window function can be selected (register content 32700…32703: 1, 2, or 3) •...

  • Page 16: Reload Function (Automatic Fault Memory Activation)

    3.2.14 NFC interface The NFC interface can be used to transmit a previously configured device parameter setting directly to the device. This function is available only via the Bender Connect App. You can find this app in the Appstores for and Android.
  • Page 17 Function module C: Connection of Type A external current transformers Function module C permits the use of measuring-current transformers by manufacturers other than Bender. When an external current transformer is used, a number of turns must be selected in the corresponding Modbus register (33104…33107).

  • Page 18: Dimensions, Mounting And Connection

    Dimensions, mounting and connection Dimensions, mounting and connection 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 19: Mounting And Removal

    LINETRAXX® SmartDetect RCMS410 Mounting and removal DIN rail mounting Screw mounting Mounting Removal Connection 4.3.1 Connections overview Terminal Description S1, S2 (CT1) Measuring-current transformer CT1 S1, S2 (CT2) Measuring-current transformer CT2 S1, S2 (CT3) Measuring-current transformer CT3 S1, S2 (CT4) Measuring-current transformer CT4 Supply voltage DC RS-485 A - Modbus RTU...

  • Page 20: Supply Voltage U S

    Dimensions, mounting and connection The cables are connected to the device via plug-in terminals. The maximum permissible conductor cross section is 1.5 mm². 4.3.2 Supply voltage U The technical data must be observed. The wiring is done on the bottom of the device. Only power supply units of protection classes 2 or 3 are to be used.

  • Page 21: Wiring Diagram

    Specification The RCMS410 has an RS-485 interface with Modbus RTU protocol. In a system setup it is therefore compatible with other Modbus RTU-capable device series from Bender, such as e. g. the RCMB300 series, RCMS150-01, and RCMB13…-01. Up to 247 Modbus-RTU devices can be used on the bus.

  • Page 22: Interfaces

    NFC (Near Field Communication) The NFC interface can be used to transmit a previously configured device parameter setting directly to the device. This function is available only via the Bender Connect App. You can find this app in the Appstores for and Android.

  • Page 23: Input

    LINETRAXX® SmartDetect RCMS410 The output becomes active if AL1 of the selected measuring channel Prewarning (AL1) AC/DC/RMS CH1…4 is present. The output becomes active if AL2 of the selected measuring channel Main alarm (AL2) AC/DC/RMS CH1…4 is present. The output becomes active if a CT-connection fault (short circuit or CT-connection fault CH1…4 interruption) of the selected measuring channel is present.

  • Page 24: Output M

    Interfaces Low-active: In the active mode the GND potential is applied to output Q. In the passive mode an external voltage can be connected (see Technical data). The output switches the applied potential to GND. internally externally Permanently high: The output is permanently set to +24 V.

  • Page 25: Digital Mode

    LINETRAXX® SmartDetect RCMS410 5.4.1 Digital mode Settings in registers 32500…32501 In digital mode, M+ can be operated in Active, Passive or Permanent mode. The following settings can be assigned: M+ = Active High-active: In the active mode +24 V are applied to output M+ internally. Low-active: In the active mode the GND potential is applied to output M+.

  • Page 26: Analogue Mode

    Interfaces M+ = Permanently low The output is permanently switched to GND. In this manner e. g. an additional reference for the digital input can be created. Alarm assignments permit assigning the following alarms to the output M+ in digital mode (registers 32504… 32519): The output becomes active if AL1 of the selected Prewarning (AL1) AC/DC/RMS CH1…4...

  • Page 27: Digital Input I

    LINETRAXX® SmartDetect RCMS410 50 % ≥ 100 % I or set Δn RMS full scale value 0…20 mA 10 mA 20 mA 0…10 V 10 V 50 % 4…20 mA 4 m A 12 mA 20 mA 2…10 V 10 V Explanation to in the diagram: In the 4…20 mA or 2…10 V mode an output value of 0 mA or 0 V is a sign of a wiring fault of the analogue...

  • Page 28: Input Ct

    Interfaces The response delay and the delay on release of the digital input are set to 100 ms each. Input CT 5.6.1 Wiring of measuring current transformer type A/type F S2(l) S1(k ) S1(k)S2(l) Measuring current transformers "Type A/Type F" CAUTION High-frequency residual currents (>10 kHz) through any connected residual current transformer can cause crosstalk on all channels to which a CTUB102-...

  • Page 29: Wiring Of Measuring Current Transformer Type B/B

    LINETRAXX® SmartDetect RCMS410 5.6.2 Wiring of measuring current transformer type B/B+ * = RCMS… 5.6.3 Suitable measuring current transformers Type B/Type B+ Type A/Type F Type A Series Series CTBS Series CTUB Series CTAC Series WR Series WS CTAS WR70x175S WS20x30 CTAS50 W0-S20...

  • Page 30: Ct1

    The device has an RS-485 interface with Modbus RTU protocol. In a system setup it is therefore compatible with other Modbus RTU-capable device series from Bender, such as e. g. the RCMB300 series, RCMS150-01, and RCMB13…-01. Up to 247 Modbus-RTU devices can be used on the bus.
  • Page 31 LINETRAXX® SmartDetect RCMS410 Termination The bus line must be terminated at both ends with resistors (120 , > 0.25 W). A terminating resistor is installed in the device and can be enabled or disabled with the DIP switch at the underside of the housing.

  • Page 32: Operation And Settings On The Device

    Operation and settings on the device Operation and settings on the device Control panel Control panel Meaning STATUS LED Operating mode ALARM LED Pre-warning ALARM LED Main alarm CHANNEL DISPLAY LEDs of measuring current Ch 1…4 transformers 1…4 Test/reset button STATUS LED Multicoloured display of various operating modes.

  • Page 33: Alarm Leds

    LINETRAXX® SmartDetect RCMS410 ALARM LEDs Display of prewarning AL1 and main alarm AL2 Operating state PRE-WARNING Lights up continuously when the pre-warning threshold has been exceeded on a channel. MAIN ALARM Flashes when the residual-operating-current threshold I has been Δn exceeded on a channel.
  • Page 34 Operation and settings on the device Overview 10 s 15 s 20 s 25 s T / R RESET TEST ADDR PROTECT ON | OFF ON | OFF "RESET" function The "RESET" function on the button resets stored alarm states. "TEST"...
  • Page 35 LINETRAXX® SmartDetect RCMS410 Set UNITS digit. Press T/R button briefly until the desired value appears. Press and hold T/R button once (> 2 s) to confirm. To exit the address setting mode, press and hold T/R button once (2 s). –...

  • Page 36: Modbus Interface

    Modbus interface Modbus interface Overview The following Modbus function codes are supported: • Holding registers for reading out values (Read Holding Register; function code 0x03) • Registers for device programming (Write Multiple Registers; function code 0x10) For a complete Modbus-protocol specification, visit http://www.modbus.org. Read and write permissions Read Only (read access only) Read/Write (read and write access)

  • Page 37: Device-Information Registers

    UTF8 String Article number e.g.: B74604040 UTF8 String Serial number 10 digits, e.g.: 2002123456 UTF8 String Manufacturer Bender GmbH & Co. KG UTF8 Application D number UINT16 631 = D631 Application version UINT16 xxx = Vx.xx number Application build UINT16...

  • Page 38: Alarm/Measuring Value Registers

    Modbus interface Alarm/measuring value registers Measured values (registers 999…1999) Prop- Register Description Format Bytes Values / Unit / Comment erty 0…n = number of active messages (device error, alarms, Number of active connection faults, …) UINT16 messages n is the number of messages that could also be attributed to an output (e.

  • Page 39: Register Monitoring Functions

    LINETRAXX® SmartDetect RCMS410 Prop- Register Description Format Bytes Values / Unit / Comment erty 1072 AC CH1 Float 1074 AC CH2 Float 1076 AC CH3 Float 1078 AC CH4 Float 1080 DC CH1 Float Residual current 1082 DC CH2 Float measured Smallest measured value since the last Modbus query 1084...

  • Page 40: Status Information Registers

    Modbus interface Prop- Register Description Format Bytes Values / Unit / Comment erty Status Reload 2014 memory Input/output UINT16 0 = Reload memory inactive "Q" 1 = Reload memory active Status Reload 2015 UINT16 memory Output "M+" Status information registers Status information (registers 3000…3999) Prop- Register...
  • Page 41 LINETRAXX® SmartDetect RCMS410 Harmonic analysis, individual values H1…20 Prop- Register Description Format Bytes Values / Unit / Comment erty Measuring channel 1 5000 DC, CH1 UINT16 Amount DC component channel 1 [mA] 5001 H1, CH1 UINT16 1st harmonic [mA] 5002 H2, CH1 UINT16 2nd harmonic [mA]...
  • Page 42 Modbus interface Prop- Register Description Format Bytes Values / Unit / Comment erty Measuring channel 2 5029 H8, CH2 UINT16 8th harmonic [mA] 5030 H9, CH2 UINT16 9th harmonic [mA] 5031 H10, CH2 UINT16 10th harmonic [mA] 5032 H11, CH2 UINT16 11st harmonic [mA] 5033...
  • Page 43 LINETRAXX® SmartDetect RCMS410 Prop- Register Description Format Bytes Values / Unit / Comment erty Measuring channel 3 5059 H17, CH3 UINT16 17th harmonic [mA] 5060 H18 CH3 UINT16 18th harmonic [mA] 5061 H19, CH3 UINT16 19th harmonic [mA] 5062 H20, CH3 UINT16 20th harmonic [mA] Prop-...
  • Page 44 Modbus interface Prop- Register Description Format Bytes Values / Unit / Comment erty THD (Total Harmonic Distortion) 5084 THD CH1 UINT16 THD channel 1 Validity of the THD value 5085 THD validity CH1 UINT16 0: = 2: > 5086 THD CH2 UINT16 THD channel 2 Validity of the THD value...

  • Page 45: Modbus-Parameter Registers

    LINETRAXX® SmartDetect RCMS410 Prop- Register Description Format Bytes Values / Unit / Comment erty Full spectrum (H1…H400) THD: Square root of the sum of the squares of the harmonics H1…400 (excluding fundamental) divided by the fundamental; 5601 Full spectrum THD UINT16 range of values 0…10,000 [%] Validity of the THD value...

  • Page 46: Registers Of Input/Output "Q

    Modbus interface Registers of input/output "Q" Parameters of input/ output "Q" (32400) Prop- Register Description Format Bytes Value/Unit/Comment Factory setting erty 1 = output: passive 2 = output: high-active 3 = output: low-active 32400 Mode UINT16 4 = output: permanently high 5 = output: permanently low 6 = input: high-active 7 = input: low-active...

  • Page 47: Registers Of Output "M

    LINETRAXX® SmartDetect RCMS410 Prop- Register Description Format Bytes Value/Unit/Comment Factory setting erty CT Connection-fault 0 = disabled 32416 alarm assignment UINT16 1 = enabled CT1…4 Measuring-channels- 0 = disabled 32417 overloading alarm UINT16 1 = enabled assignment 0…10 = Number of switching cycles until the 32418 Reload cycles UINT16...
  • Page 48 Modbus interface Prop- Register Description Format Bytes Values / Unit / Comment Factory setting erty AC CT1 alarm 32506 UINT16 assignment AC CT2 alarm 32507 UINT16 assignment 0 = disabled 1 = enabled AC CT3 alarm 32508 UINT16 assignment AC CT4 alarm 32509 UINT16 assignment...

  • Page 49: Registers Of Response-Value Parameters

    LINETRAXX® SmartDetect RCMS410 7.10 Registers of response-value parameters Response-value parameters (registers 32600…32635) Prop- Register Description Format Bytes Values / Unit / Comment Factory setting erty Main alarm response 32600 Float 0.03 value I AC CT1 Δn Enabled only with "type B"/"type B+" current AC CT2 32602 Float...

  • Page 50: Function And Operating-Characteristics Registers

    Modbus interface 7.11 Function and operating-characteristics registers Function and response behaviour parameters (32700…32720) Prop- Register Description Format Bytes Value/Unit/Comment Factory setting erty 32700 CT1 function UINT16 1 = overcurrent 2 = undercurrent 32701 CT2 function UINT16 3 = window mode 4 = digital input: high-active 32702 CT3 function...

  • Page 51: Alarm-Behaviour Registers

    LINETRAXX® SmartDetect RCMS410 7.12 Alarm-behaviour registers Alarm behaviour parameters (32800…32810) Prop- Register Description Format Bytes Values / Unit / Comment Factory setting erty 32800 CH1 fault memory UINT16 32801 CH2 fault memory UINT16 0 = disabled 1 = enabled 32802 CH3 fault memory UINT16 32803...

  • Page 52: Monitoring-Functions Registers

    Modbus interface 7.14 Monitoring-functions registers Parameters CT-connection monitoring (33000) Prop- Register Description Format Bytes Value/Unit/Comment Factory setting erty 33000 CT-connection monitoring, CT1 UINT16 33001 CT-connection monitoring, CT2 UINT16 0 = disabled 1 = enabled 33002 CT-connection monitoring, CT3 UINT16 33003 CT-connection monitoring, CT4 UINT16 7.15...

  • Page 53: Device-Error-Code Registers

    LINETRAXX® SmartDetect RCMS410 7.16 Device-error-code registers Device error codes (58000) Register content 0 = no error Undocumented registers 58000...58199 are reserved. Prop- Device Register Description Format Bytes Value/Unit/Comment Reversible erty faulty Number of device 58000 UINT16 Number of active device errors errors 58001 0.10...
  • Page 54 Modbus interface Prop- Device Register Description Format Bytes Value/Unit/Comment Reversible erty faulty 481 = invalid setting of CT3: "type B+" 58020 4.81 UINT16 filter combined with a response value > 300 mA 482 = invalid setting of CT4: "type B+" 58021 4.82 UINT16...

  • Page 55: Control-Commands Registers

    LINETRAXX® SmartDetect RCMS410 Prop- Device Register Description Format Bytes Value/Unit/Comment Reversible erty faulty 58100 3.21 UINT16 321 = internal error 58101 3.22 UINT16 322 = internal error 58102 3.23 UINT16 323 = internal error 58103 3.24 UINT16 324 = internal error 58104 3.26 UINT16...
  • Page 56 Modbus interface Function-control commands (60000) Prop- Register Description Format Bytes Value/Unit/Comment erty Function 0: Find device via serial number 60000 Function selection UINT16 0 = selection of the function "Find device via serial number" 60001 Serial number UINT32 Seriennummer des zu findenden Geräts 0…300 [s] = time until the corresponding device lights up;...
  • Page 57 LINETRAXX® SmartDetect RCMS410 Prop- Register Description Format Bytes Value/Unit/Comment erty 60002 Pattern value part 2 UINT16 Security pattern must be written for the function to be executed. 60003 Reset type UINT16 1 = Reset of the alarm message when fault memory is enabled FunCtion 8: Upload licence key 60000 Function selection...

  • Page 58: Error - Cause - Error Correction

    Error – Cause – Error correction Error – Cause – Error correction Error pattern Cause Correction Complete device Terminal blocks incorrectly plugged in Plug in terminal blocks correctly. No device start Supply voltage incorrectly connected Establish correct wiring. RS-485 Missing termination due to incorrect Configure the terminating resistor, commissioning or defective component.

  • Page 59: Technical Data

    LINETRAXX® SmartDetect RCMS410 Technical data Frequency responses of the filters The curves represent the area in which the device triggers a main alarm. The frequency range below 15 Hz is not defined. RCMS410_D00424_03_M_XXEN / 05.2025...
  • Page 60 Technical data RCMS410_D00424_03_M_XXEN / 05.2025...

  • Page 61: Tabular Data

    LINETRAXX® SmartDetect RCMS410 Tabular data ()* = Factory setting Insulation coordination (IEC 60664-1/IEC 60664-3) Rated voltage 50 V Overvoltage category Rated impulse voltage 800 V Rated insulation voltage 50 V Pollution degree Supply voltage (+, -) Connection +, – Supply voltage U DC 24 V Protection class of power supply unit 2 or 3...
  • Page 62 Technical data 6 mA…20 A: -20...0 % Type A, Type F 20…30 A: -50...0 % Type B, Type B+ -20…0 % Hysteresis 10…25 % (15 %)* Fault-memory alarm messages on/off (on)* Permissible continuous residual current with single-channel use 85 A dual-channel use 60 A use of three channels...

  • Page 63: Time Response

    LINETRAXX® SmartDetect RCMS410 Time response Start-up delay t 0…999 s (0 s)* Response delay t 0…10 s (0 s)* Delay on release t 0…999 s (1 s)* Operating time t with 1 x I ≤ 260 ms Δn with 5 x I 40…100 ms Δn Response time t...
  • Page 64 Technical data Input I Connection Max. cable length (recommended) 10 m External connections Potential-free contact Input/output Q Connection Max. cable length (recommended) 10 m Max. load 20 mA Low voltage level (output) 0…2 V High voltage level (output) 10 V…U External voltage (passive mode) DC 0…(U - 1 V)

  • Page 65: Approvals

    LINETRAXX® SmartDetect RCMS410 EMC/Environment DIN EN IEC 62020-1 Operating temperature -40…+70 °C Transport -40…+85 °C Long-time storage -40…+70 °C Classification of climatic conditions acc. to IEC 60721 (except condensation and formation of ice) Stationary use (IEC 60721-3-3) 3K22 Transport (IEC 60721-3-2) 2K11 Long-term storage (IEC 60721-3-1) 1K22...

  • Page 66: Ordering Information

    Declaration regarding the radio system EU declaration of conformity Bender GmbH & Co. KG hereby declares that the device covered by the Radio Equipment Directive complies with Directive 2014/53/EU. The full text of the EU Declaration of Conformity is available at the following...

  • Page 67: Document Revision History

    LINETRAXX® SmartDetect RCMS410 Document revision history Valid from Date Document version software Status/changes version 09.2022 Initial edition Added Chapter "PROTECT function" Chapter "Document revision history" Editorial revision Chapter "“Functional description”, page 10" Note in chapter “"Measuring-current- 03.2023 transformer connection"”, page 19 D0631 Curves "“Frequency responses of the filters”, page 59"...
  • Page 68 Londorfer Straße 65 Alle Rechte vorbehalten. 35305 Grünberg Nachdruck und Vervielfältigung nur mit Germany Genehmigung des Herausgebers. © Bender GmbH & Co. KG, Germany Tel.: +49 6401 807-0 All rights reserved. Subject to change! The specified info@bender.de Reprinting and duplicating only with standards take into account the edition www.bender.de...

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