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RHEONIK RHE 42 User Manual

Coriolis transmitter
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  • Page 1 RHE 42 Coriolis transmitter User Manual...
  • Page 2 Rheonik Messtechnik GmbH Rudolf-Diesel-Straße 5 D-85235 Odelzhausen Germany Tel + 49 (0)8134 9341-0 info@rheonik.com Document No.: BA02RHE42202207 Version 04 November 2023...
  • Page 3 This installation guide is protected by copyright law. Any use that goes beyond the strict limits set by copy- right law is forbidden and liable for prosecution without the prior consent of Rheonik Messtechnik GmbH. This also applies to any reproduction, translation and microfilming in addition to saving and editing in electronic media.
  • Page 4 Foreword RHE 42 Coriolis transmitter 4 / 108...

  • Page 5: Table Of Contents

    Connecting non-intrinsically safe analogue outputs. . . 41 7.4.2 Connecting non-intrinsically safe digital outputs..7.4.3 Connecting non-intrinsically safe digital inputs..43 7.4.4 Connecting a non-intrinsically safe HART interface. . . RHE 42 Coriolis transmitter 5 / 108...
  • Page 6 15 Appendices..........105 RHE 42 Coriolis transmitter...

  • Page 7: About This Guide

    Declaration of Conformity The versions of the RHE42 Coriolis transmitter described in this instal- lation guide comply with the applicable standards and guidelines/direc- tives. RHE 42 Coriolis transmitter 7 / 108...

  • Page 8: Symbols Used In This Guide

    Instructions that consist solely of a single step are not numbered. Result; outcome of a step Lists of entries in no particular order References to figures, sections and chapters This symbol indicates useful additional information. RHE 42 Coriolis transmitter 8 / 108...

  • Page 9: Safety

    RHE42 Coriolis transmitter as intended. Carefully read the information in this installation guide before starting any work with or on the RHE42 Coriolis transmitter, and make sure you have understood everything. RHE 42 Coriolis transmitter 9 / 108...

  • Page 10: How Warnings Are Structured And What They Mean

    ATTENTION (NOTE): Risk of NOTICE damage to property if informa- tion is not observed. Type of hazard and how it arises! Potential consequence(s) of disregarding the hazard. − List of measures for preventing the hazard RHE 42 Coriolis transmitter 10 / 108...

  • Page 11: Safety And Associated Safety Measures

    The connecting cable (ARHE-Cx) has been specified for a temper- ature range of -50 to +105°C. Avoid any temperatures higher than this. Temperatures of below -50°C are permitted if the connecting cable (ARHE-Cx) has been routed in a protective conduit. RHE 42 Coriolis transmitter 11 / 108...

  • Page 12: Personnel Qualifications

    Operating personnel Qualified electrician Initial start-up, configuration of Operating personnel Engineer parameters Dismantling work Operating personnel Engineer Disposal Specialist waste dis- Expert specialists who have received specific posal company training Tab. 1: Personnel qualifications RHE 42 Coriolis transmitter 12 / 108...

  • Page 13: Intended Use

    Intended use Intended use Rheonik Coriolis mass flow measuring instruments consisting of a sensor (RHM), a transmitter (RHE), and in some cases, an intercon- necting cable, are intended for measuring liquids and gases. The oper- ator must ensure that the instrument is only used in a way that com- plies with limitations and certifications listed on the instrument type plates.
  • Page 14 Intended use RHE 42 Coriolis transmitter 14 / 108...

  • Page 15: Product Description

    Product description RHE42-C* Coriolis transmitter (compact version RHE42 Cori- olis transmitter installed on RHM Coriolis sensor) Fig. 1: RHE42 Coriolis transmitter with RHM Coriolis sensor RHE42 Coriolis transmitter RHM Coriolis sensor Type label Display RHE 42 Coriolis transmitter 15 / 108...
  • Page 16 Type label Fig. 3: Type label Type label CE for conformity / CSA for approval Table with safety limits for the intrinsically safe inputs and outputs Product designation B Model code C Serial number RHE 42 Coriolis transmitter 16 / 108...
  • Page 17 The RHM Coriolis sensors are optionally available as intrinsically safe versions. They can be installed in zone 0, 1 or 2, as well as in 20, 21 or 22, depending on their certification. Versions suitable for Div. 1 and RHE 42 Coriolis transmitter 17 / 108...

  • Page 18: Model Code

    Dig. outp. 2x, dig. inp. 2x, RS 485 (Modbus), Modbus TCP/IPv4 ■ Analogue outp. (a/p) 1x, dig. outp. 2x, dig. inp. 1x, RS 485 (Modbus) ■ Analogue outp. (a/p) 2x, dig. outp. 2x, RS 485 (Modbus), HART communication RHE 42 Coriolis transmitter 18 / 108...
  • Page 19 Custody transfer certification OIML-CS R139 Options ■ None ■ Improved protection rating IP66-67/Type 6, Ambient temperature -40 - + 65°C. ■ Settings lock switch (included in software package CT and Tab. 3: Definition of model code RHE 42 Coriolis transmitter 19 / 108...

  • Page 20: Protection Classes And Safety Areas

    20, 21, 22; safe area safe area [Ex ia Ga] IIC Safe area Class I; Div 1, 2; safe CSA / ETL area; zone 0, 1, 2; safe area Tab. 4: Overview of application areas RHE 42 Coriolis transmitter 20 / 108...

  • Page 21: Transportation, Storage, Scope Of Delivery

    If the device comes with protective caps fitted, only remove these just before you start the installation work. Keep the packaging safe in case you need to ship the device at a later date. RHE 42 Coriolis transmitter 21 / 108...
  • Page 22 Transportation, storage, scope of delivery RHE 42 Coriolis transmitter 22 / 108...

  • Page 23: Installing The Rhe42 Coriolis Transmitter

    B Mounting holes dia. 6.6 mm Position the RHE42 Coriolis transmitter (1) with the installation angle (2) on the wall/mounting plate. Mark the position of the mounting holes (A or B) on the wall/ mounting plate. RHE 42 Coriolis transmitter 23 / 108...
  • Page 24 (installation on a wall or mounting plate). Select the appropriate installation material for the fastening system you are using from the scope of delivery. Fasten the RHE42 Coriolis transmitter (1) to the wall/mounting plate. RHE 42 Coriolis transmitter 24 / 108...
  • Page 25 Fasten the RHE42 Coriolis transmitter (1) to the pipe with installa- tion angle (2) using the counter-bracket (3) and the supplied nuts and bolts. Use the mounting holes with dia. 6.6 mm (B) for this purpose. RHE 42 Coriolis transmitter 25 / 108...

  • Page 26: Connecting The Rhe42 Coriolis Transmitter

    Use only the connecting cable (ARHE-Cx) that is con- nected to the RHE42 Coriolis transmitter. If the con- necting cable (ARHE-Cx) is damaged, the RHE42 Cori- olis transmitter will need to be returned to Rheonik Mes- stechnik GmbH for repair. The connecting cable (ARHE-Cx) must not be longer than 20 m.
  • Page 27 There is a risk of serious burns if you touch hot surfaces. − Allow the RHM Coriolis sensor and adjacent compo- nents to cool down. − Avoid direct contact with hot surfaces. RHE 42 Coriolis transmitter 27 / 108...
  • Page 28 Connecting cable (ARHE-Cx) GNYE Green/yellow cable RHM Coriolis sensor Grey cable Connection terminal Orange cable Drive coil Pink cable Temperature sensors Red cable Pick-up coils White cable Ground point for housing Yellow cable Brown cable RHE 42 Coriolis transmitter 28 / 108...
  • Page 29 Secure the connecting cable (ARHE-Cx) (2) with a strain relief fitting. Cable colour Signal BN brown Drive coil + BU blue Drive coil - RD red Temperature sensor – pipe RHE 42 Coriolis transmitter 29 / 108...
  • Page 30 GN green Pick-up coil (A) left - GY grey Pick-up coil (B) right + WH white Pick-up coil (B) right - GNYE green/yellow Shielding Shielding Tab. 6: Overview of signals for connecting cable (ARHE-Cx) RHE 42 Coriolis transmitter 30 / 108...

  • Page 31: Connecting The Power Supply, Inputs/Outputs And Signal Cables To On The Rhe42 Coriolis Transmitter

    2.3 Power supply for the RHE42 Coriolis transmitter Connection terminals 2.4 RS 485 interface 2.1 Digital inputs and outputs 2.5 Modbus TCP Terminal Signal Name +24 V Supply of +24 V Ground Protective conductor RHE 42 Coriolis transmitter 31 / 108...
  • Page 32 The following inputs/outputs and signal cables must be connected using certified barriers/supply isolators: ■ Digital outputs 1 and 2 ■ Digital input ■ Analogue outputs 1 and 2 ■ Foundation Fieldbus FFH1 (FISCO) ■ Profibus PA (FISCO) RHE 42 Coriolis transmitter 32 / 108...
  • Page 33 2.1 Digital outputs (intrinsically safe) intrinsically safe) 2.2 Digital inputs (intrinsically safe) 2.6 RS 485 interface (not intrinsically safe) Terminal Signal Name +24 V Supply of +24 V Ground Protective conductor 485A RS 485 connection (+) RHE 42 Coriolis transmitter 33 / 108...
  • Page 34 Analogue output 1 (-) optionally with i1, i2, F2, P2 HART communication AO2+ Analogue output 2 (+) AO1- Analogue output 2 (-) Tab. 10: Terminal assignment for RHE42 Coriolis transmitter (intrinsically safe connections) RHE 42 Coriolis transmitter 34 / 108...
  • Page 35 Ex zone / Div.) into the openings (arrows) of the RHE42 Coriolis transmitter (A) (the cable gland is not included in delivery). Guide the cable through the cable glands and into the RHE42 Coriolis transmitter (A). RHE 42 Coriolis transmitter 35 / 108...
  • Page 36 Screw the cover plate (B) tight using the screws (C) (only for intrinsically safe inputs and outputs). Fit the cover (D) onto the RHE42 Coriolis transmitter (A), for example using a strap spanner. RHE 42 Coriolis transmitter 36 / 108...

  • Page 37: Modbus Tcp

    Connecting the RS485 interface The RS485 interface is used for digital communications, for remote control purposes, and to exchange data. It uses the Modbus protocol to establish a permanent connection to a monitoring control system. RHE 42 Coriolis transmitter 37 / 108...
  • Page 38 70 RS 485 (+) connection 71 RS 485 (-) connection Connect the Tx+ / Rx+ connection to the RS 485 (+) connection (70). Connect the Tx- / Rx- connection to the RS 485 (-) connection (71). RHE 42 Coriolis transmitter 38 / 108...

  • Page 39: Connecting The Modbus Tcp Interface

    7.3.3 Connecting the Modbus TCP interface This process describes how to connect to a MODBUS TCP interface with a CAT5 cable in accordance with TIA-568B by way of example. RHE 42 Coriolis transmitter 39 / 108...

  • Page 40: Connecting The Foundation Fieldbus / Profibus Interface

    Connecting the Foundation Fieldbus / Profibus interface The Foundation Fieldbus FFH1 (FISCO) and the Profibus PA (FISCO) are only permitted to be used in conjunction with certified barriers/supply isolators. In FISCO bus systems, the barrier/supply isolator comes built in. RHE 42 Coriolis transmitter 40 / 108...

  • Page 41: Wiring Diagrams For Non-Intrinsically Safe Inputs And Outputs

    Connect the connection for passive analogue output 1 (+) (51) and (A) (described using both ana- the connection for passive analogue output 2 (+) (53) to the +24 V logue outputs by way of connection (50). example) RHE 42 Coriolis transmitter 41 / 108...

  • Page 42: Connecting Non-Intrinsically Safe Digital Outputs

    B Load to +24 V (I 100 mA) Connection terminal Relay to +24 V (I 100 mA) +24 V power supply Load Mass Free-wheeling diode for relay (essential) 31 Connection for active digital output 1 RHE 42 Coriolis transmitter 42 / 108...

  • Page 43: Connecting Non-Intrinsically Safe Digital Inputs

    24 V DC supply. The input voltage must not exceed a max. of 30 V DC. The following section describes how to connect digital input 1. Digital input 2 can be connected in the same way. RHE 42 Coriolis transmitter 43 / 108...

  • Page 44: Connecting A Non-Intrinsically Safe Hart Interface

    RHE42 Coriolis transmitter, do not connect the ground connection. 7.4.4 Connecting a non-intrinsically safe HART interface A 250 W load resistor that is switched in parallel is rec- ommended for analogue outputs that use HART com- munication. RHE 42 Coriolis transmitter 44 / 108...

  • Page 45: Wiring Diagrams For Intrinsically Safe Inputs And Outputs

    53 Connection for analogue output 2 (+) 54 Connection for analogue output 2 (-) Connect a certified barrier/supply isolator (1) to the connection for analogue output 1 (+) (51) and the connection for analogue output 1 (-) (52). RHE 42 Coriolis transmitter 45 / 108...

  • Page 46: Connecting Intrinsically Safe Digital Outputs

    Connect the certified barrier/supply isolator (1) to the local dis- play/PLC/monitoring control system (2) in accordance with the corresponding data sheet. 7.5.3 Connecting intrinsically safe digital inputs The intrinsically safe digital inputs must only be used in conjunction with certified barriers/supply isolators. RHE 42 Coriolis transmitter 46 / 108...

  • Page 47: Connecting An Intrinsically Safe Hart Interface

    1 (+) (51) and to the connection for ana- logue output 1 (-) (52). Connect the HART transparent supply isolator (1) with the HART modem (2). Observe the instructions supplied in delivery. RHE 42 Coriolis transmitter 47 / 108...
  • Page 48 Connecting the RHE42 Coriolis transmitter RHE 42 Coriolis transmitter 48 / 108...

  • Page 49: Start-Up

    This chapter provides a brief introduction into how to operate the RHE42 Coriolis transmitter using the user interface. Further information is provided in the RHE 40 desktop reference. The RHE 40 desktop ref- erence is available to download from the Rheonik Messtechnik GmbH website: http://rheonik.com ⮫ ...
  • Page 50 (light to dark instead of dark to light). If you want to change this numerical value, press the key after the final digit. The cursor will jump back to the left-hand position so that you can edit your entry again. RHE 42 Coriolis transmitter 50 / 108...

  • Page 51: Operation

    Tab. 14: Default password settings Display shows Steps to take Note Press the key 5 times. The number of actions performed depends on the character being selected. Press the key once. The entry is confirmed. RHE 42 Coriolis transmitter 51 / 108...
  • Page 52 6 times. Press the key once. Press the key 7 times. Press the key once. Press the key 8 times. Press the key once. The entry of the last character is con- firmed. RHE 42 Coriolis transmitter 52 / 108...

  • Page 53: Initial Start-Up

    Modbus TCP; see: ⮫  ‘Reading out the IP address’ on page 58 It is only possible to connect to your own network using Modbus TCP if you are using the configura- tion EB or EA. RHE 42 Coriolis transmitter 53 / 108...

  • Page 54: Calibrating The Zero Point

    Close all valves upstream and downstream of the RHM Coriolis sensor. − Check that nothing is flowing in the RHM Coriolis sensor. Before calibrating the zero point, close all valves upstream and downstream of the RHM Coriolis sensor. RHE 42 Coriolis transmitter 54 / 108...
  • Page 55 Press the key 2 times. Press the key once. Press the key once. Press the key once. ‘Entering the password (PWD)’ Enter the user password using ⮫  on page 51 keys. RHE 42 Coriolis transmitter 55 / 108...

  • Page 56: Changing The Flow Direction

    If this happens, you can reverse how the flow direction is displayed in the RHE42 Coriolis transmitter. Display shows Steps to take Note Press the key once. Press the key 2 times. RHE 42 Coriolis transmitter 56 / 108...
  • Page 57 Press the key 2 times. Press the key once. ‘Entering the password (PWD)’ Enter the user password using ⮫  on page 51 keys. Press the key 2 times. Press the key once. RHE 42 Coriolis transmitter 57 / 108...

  • Page 58: Reading Out The Ip Address

    Once the RHE42 Coriolis transmitter has been connected, it is assigned an IP address, which is required in order to connect the RHE42 Coriolis transmitter with your own network via the Modbus TCP interface. RHE 42 Coriolis transmitter 58 / 108...

  • Page 59: Setting Up The Rs485 Interface

    Tab. 18: Reading out the IP address 8.3.4 Setting up the RS485 interface Once the RHE42 Coriolis transmitter has been connected, the RS485 interface must be set up before it can be used. RHE 42 Coriolis transmitter 59 / 108...
  • Page 60 Press the key 7 times. Press the key once. ‘Entering the password (PWD)’ Enter the service password ⮫  on page 51 5678 using the keys. Press the key 8 times. Press the key once. RHE 42 Coriolis transmitter 60 / 108...

  • Page 61: Setting The Units Of Measurement

    Press the key once. The display returns to the default view. Tab. 19: Setting up the RS485 interface 8.3.5 Setting the units of measurement Display shows Steps to take Note Press the key once. RHE 42 Coriolis transmitter 61 / 108...
  • Page 62 ■ Density Unit to the menu for setting the ■ Volumetric Flow Unit units of measurement. Confirm ■ Volume Unit your selection by pressing the key. Press the key 2 times. RHE 42 Coriolis transmitter 62 / 108...

  • Page 63: Configuring Analogue Outputs

    Tab. 20: Setting the units of measurement 8.3.6 Configuring analogue outputs Display shows Steps to take Note Press the key once. Press the key 2 times. Press the key once. Press the key 3 times. RHE 42 Coriolis transmitter 63 / 108...
  • Page 64 Selection (depends on the device con- you want to configure by figuration): ■ pressing the key and con- Analogue Output 1 firm your entry by pressing the ■ Analogue Output 2 key. Press the key once. RHE 42 Coriolis transmitter 64 / 108...
  • Page 65 (Fire State). The sequence and input options may vary depending on the measured value in question. Press the key 5 times. The display returns to the default view. Tab. 21: Configuring an analogue output RHE 42 Coriolis transmitter 65 / 108...

  • Page 66: Configuring Digital Outputs

    8.3.7 Configuring digital outputs Display shows Steps to take Note Press the key once. Press the key 2 times. Press the key once. RHE 42 Coriolis transmitter 66 / 108...
  • Page 67 Selection (depends on the device con- want to configure by pressing figuration): key and confirm your ■ Output Type 1/A entry by pressing the key. ■ Output Type 2/B ■ Output Type 3 ■ Output Type 4 RHE 42 Coriolis transmitter 67 / 108...
  • Page 68 In Band LO-HI – Out Band LO-HI ■ Alarm Limit Low (“Output Type 3” and “Output Type 4”) ■ Alarm Limit High (“Output Type 3” and “Output Type 4”) Press the key 3 times. RHE 42 Coriolis transmitter 68 / 108...

  • Page 69: Configuring Digital Inputs

    The alarm signal is output if a freely selectable value is undershot. − Alarm Limit High The alarm signal is output if a freely selectable value is exceeded. 8.3.8 Configuring digital inputs Display shows Steps to take Note Press the key once. RHE 42 Coriolis transmitter 69 / 108...
  • Page 70 2 times. Press the key once. Press the key 3 times. Press the key once. Enter the user password using ‘Entering the password (PWD)’ ⮫  on page 51 keys. Press the key 2 times. RHE 42 Coriolis transmitter 70 / 108...
  • Page 71 Batch Stop HI-LO ■ Batch Restrt L-H ■ Batch Restrt H-L ■ Tot Reset&Hold L-H ■ Tot Reset&Hold H-L ■ Press the key 3 times. Press the key once. Select “Y” to save the changes. RHE 42 Coriolis transmitter 71 / 108...

  • Page 72: Performing An Output Test

    The output test enables you to check the output signals of the analogue and digital outputs of the RHE42 Coriolis transmitter. Display shows Steps to take Note Press the key once. Press the key 2 times. Press the key once. Press the key 4 times. RHE 42 Coriolis transmitter 72 / 108...
  • Page 73 Once the test is complete, select the output that was tested again and confirm your entry by pressing the key. RHE 42 Coriolis transmitter 73 / 108...
  • Page 74 The test is ended. Press the key 2 times. Press the key once. Select “Y” to save the changes. Press the key once. The display returns to the default view. Tab. 24: Performing an output test RHE 42 Coriolis transmitter 74 / 108...

  • Page 75: Operation, Operating Modes, Using The Device

    RHE42 Coriolis transmitter or using interfaces. Display shows Steps to take Note Press the key once. Press the key 2 times. Press the key once. Press the key once. Press the key once. RHE 42 Coriolis transmitter 75 / 108...

  • Page 76: Adjusting The Display Settings

    Default view for the display ■ Display illumination ■ Colour settings for error messages Display shows Steps to take Note Press the key once. Press the key 2 times. Press the key once. RHE 42 Coriolis transmitter 76 / 108...
  • Page 77 – White / Off only (illuminated whilst the user is operating the device) – Assurance Level (detailed infor- mation on the Assurance Level is provided in the RHE 40 desktop reference) RHE 42 Coriolis transmitter 77 / 108...

  • Page 78: Setting The Filter

    To ensure the medium is filled quickly, use the lowest possible filter values. In contrast, higher filter values can be used for long-term measure- ments in order to optimally stabilise the measured values. Display shows Steps to take Note Press the key once. RHE 42 Coriolis transmitter 78 / 108...
  • Page 79 Settings selection: ■ pressing the key and con- Display Filter firm your entry by pressing the ■ Freq. Out Filter key. ■ Ana 1 Out Filter ■ Ana 2 Out Filter ■ Modbus Filter RHE 42 Coriolis transmitter 79 / 108...
  • Page 80 Press the key once. Select “Y” to save the changes. Press the key once. The display returns to the default view. Tab. 27: Setting the filter using “Display Filter” by way of example RHE 42 Coriolis transmitter 80 / 108...

  • Page 81: 10 Servicing, Maintenance

    Assurance View This feature is only available on devices 1 display. that come with the advanced diagnos- tics package (Assurance Factor) AF. A percentage of less than 70 will impair the measurement. RHE 42 Coriolis transmitter 81 / 108...

  • Page 82: 10.2 Reading Out The Zero Point

    Steps to take Note Press the key once. Press the key once. Depending on the functions installed, press the either 2 times or 3 times to switch to the Zero Point Hist. display. RHE 42 Coriolis transmitter 82 / 108...
  • Page 83 You can read out the last 10 zero points the Zero Point 1 display. by pressing the key. Press the key 2 times. The display returns to the default view. Tab. 29: Reading out the zero point RHE 42 Coriolis transmitter 83 / 108...
  • Page 84 Servicing, maintenance RHE 42 Coriolis transmitter 84 / 108...

  • Page 85: 11 Displaying Errors

    Any active warnings and errors will the various status displays. be displayed directly after opening the “Status Infos” menu. To switch between the various status displays, repeatedly press the key. “Info Status” display RHE 42 Coriolis transmitter 85 / 108...
  • Page 86 Error code or info code Description of error Potential solution Internal EEPROM error. After switching on Please contact your Rheonik dealer. the RHE42 Coriolis transmitter, inconsisten- cies were detected in the parameter memory and the parameters were reset to the default values.
  • Page 87 No response from the sensor interface. Check the connection to the RHM Coriolis sensor and restart the RHE42 Coriolis transmitter. Please contact your Rheonik dealer if the error persists. EEPROM data lost. Perform a restart and check all set-up data, in particular the calibration information, if the error has been resolved.
  • Page 88 Zero-point calibration unsuccessful (possible Restart the zero-point calibration. sensor instability). Please contact your Rheonik dealer if the error persists. Current input value of the analogue input Check the external device that has been con- (pressure/density) exceeded.
  • Page 89 RHM Coriolis sensor not ready yet. May occur Check the connection to the RHM Coriolis sensor during start-up. and restart the RHE42 Coriolis transmitter. Please contact your Rheonik dealer if the error persists. Inconsistent calibration data for the 4-20 mA Please contact your Rheonik dealer.
  • Page 90 RHE42 Coriolis transmitter software error; Restart the RHE42 Coriolis transmitter. Please possible hardware fault. contact your Rheonik dealer if the error persists. Density gradient exceeds set threshold. Please contact your Rheonik dealer. Mass flow gradient exceeds set threshold.

  • Page 91: 12 Technical Data

    HART, Modbus RTU, Ethernet (Modbus TCP / IPv4), Foundation Fieldbus FFH1 (FISCO), Profibus PA 12 - 24 V DC ±10%, 2 W is typical (max. 4 W) Power supply Approvals for hazardous ATEX/IECEx and CSA US-Can areas Tab. 34: Technical data RHE 42 Coriolis transmitter 91 / 108...
  • Page 92 Technical data Fig. 25: Dimensions of the RHE42 Coriolis transmitter (RHE42-C*) Front view B Side view Fig. 26: Dimensions of the RHE42 Coriolis transmitter (RHE42-R*) C Rear view D Side view RHE 42 Coriolis transmitter 92 / 108...

  • Page 93: 13 Returns And Disposal

    The RHE42 Coriolis transmitters comply with EU Directive 2011/65/EU on the restriction of the use of certain hazardous substances in elec- trical and electronic equipment. Observe the regulations in force in your country! RHE 42 Coriolis transmitter 93 / 108...
  • Page 94 Returns and disposal RHE 42 Coriolis transmitter 94 / 108...

  • Page 95: Appendix A: Ex-Safety Instructions

    Regarding the installation of theRHM Coriolis sensor refer to the corresponding manual. WARNING Risk of explosion! Substitution of components may impair intrinsic safety. Avertissement! La substitution de composants peut compromettre la sécurité intrinsèque. RHE 42 Coriolis transmitter 95 / 108...
  • Page 96 Read the manual before connecting or operating the unit! System description A Rheonik Coriolis mass flow meter system for hazardous areas consists of an RHM Coriolis sensor and an RHE42 Coriolis transmitter. The barrier required for an intrinsically safe RHM Coriolis sensor is part of the certi- fied RHE42 Coriolis transmitter.
  • Page 97 Depending on the I/O code, terminals 40-41 or 44-45 and 42-43 or 46-47 or 48-49 or 77-78 are present. Units with FFH1 foundation fieldbus or Profibus PA interface are suitable for the use in FISCO systems according to IEC 60079-25. (RHE42-**D1- **F*-A***-** or RHE42-**D1-**P*-A***-**). RHE 42 Coriolis transmitter 97 / 108...
  • Page 98 Most RHM Coriolis sensor provide a PE terminal and terminal for grounding via 1 nF. If there is no capacitive ground, special measures might be required. Power supply and I/O circuits RHE 42 Coriolis transmitter 98 / 108...
  • Page 99 Class I, Zone 1, A/Ex db [ia Ga] IIC T6 Gb Conduit seal shall be installed within 50 mm from the enclosure. Un scellement doit être installe moins des 50mm du boitier. RHE 42 Coriolis transmitter 99 / 108...
  • Page 100 Intrinsically safe I/O Intrinsically safe I/O circuits must be operated via dedicated barriers or ‘Elec- separation amplifiers complying with the limits listed in chapter ⮫  trical safety limits’ on page 96 RHE 42 Coriolis transmitter 100 / 108...
  • Page 101 R* (except remote mount, aluminium housing, fixed cable to RHM RR, RS, RT, RR, RS, RT remote mount, stainless-steel housing, fixed cable to RHM remote mount, stainless-steel housing, connection box I/O and RHM RHE 42 Coriolis transmitter 101 / 108...
  • Page 102 Not all combinations are possible. For available combinations see instructions. Where no versions for the place holders are specified, these parameters are not relevant for the Ex certification. For the complete ordering code refer to the respective datasheets. RHE 42 Coriolis transmitter 102 / 108...
  • Page 103 UL 50E - 20 For the list of standards relevant for a certain unit and for the release date refer to the certificate. Service and repair The unit does not contain any user serviceable parts. RHE 42 Coriolis transmitter 103 / 108...
  • Page 104 Appendix A: Ex-Safety Instructions (product approval information) If the unit gets modified in any way, the Ex-certification gets void. In case of malfunction connect your dealer or directly Rheonik Mes- stechnik GmbH. Contact address Rheonik Messtechnik GmbH Rudolf-Diesel-Str. 5 85235 Odelzhausen Germany https://www.rheonik.com...

  • Page 105: 15 Appendices

    Appendices 15 Appendices Wiring diagrams Fig. 28: Wiring diagrams for non-intrinsically safe variants RHE 42 Coriolis transmitter 105 / 108...
  • Page 106 Appendices Fig. 29: Wiring diagrams for intrinsically safe variants RHE 42 Coriolis transmitter 106 / 108...
  • Page 108 Rheonik meter you have in service. Whether you own just one meter or have hundreds, you will never be just another customer to us. You are our valued business partner.

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