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RHE26/27 Installation & Startup Guide – Doc. No. 8.2.1.06 – Ver. 1.40 

 

RHE26/27 

Installation & Startup Guide 

 

 

D o c u m e n t   N o . :   8 . 2 . 1 . 0 6  
V e r s i o n   1 . 4 0     A P R - 2 0 1 9  

Summary of Contents for RHE26

Page 1: ...RHE26 27 Installation Startup Guide Doc No 8 2 1 06 Ver 1 40 1 RHE26 27 Installation Startup Guide Document No 8 2 1 06 Version 1 40 APR 2019 ...

Page 2: ...als 9 3 2 1 4 Legacy RHM Sensors 9 Terminals 10 Power Supply and Grounding 11 3 2 2 1 Grounding 11 3 2 2 2 12V to 24V DC Power Supply 11 3 2 2 3 100V to 240V AC Power Supply 11 3 2 2 4 AC and DC Supply 12 Control Inputs and Outputs 12 3 2 3 1 Digital Outputs 12 3 2 3 2 Analog Outputs 13 3 2 3 3 Digital Inputs 15 3 2 3 4 Analog Input 16 4 Operation and Configuration 17 4 1 Function of the Pushbutto...

Page 3: ...he installation in a hazardous area 29 A 2 System Description 30 A 3 Electrical Safety Limits 30 A 4 Thermal Safety Limits 31 A 5 Grounding and Shielding 31 A 6 Installation 32 A 7 Electrical connection of power supply and I O 32 A 8 Electrical connection to RHM 32 A 9 Ordering Code 33 A 10 Technical Data 34 A 11 Compliance 34 A 12 Service and repair 34 A 13 Contact address 35 Appendix B Technical...

Page 4: ...aft or mining industries All national regulations and standards regarding electrical installation must be observed 1 2 Manufacturer s Liability Rheonik assumes no liability for loss and or consequential damages stemming from the use of this product utilized in life preserving systems in the medical motor vehicle aircraft water craft or mining industries Rheonik accepts no liability for loss or dam...

Page 5: ... The display backlight will light up and after a power up sequence the display will show the flow measurement screen In case of an error the backlight will turn red 5 Flush the RHM flow sensor with process fluid and ensure that it is free of air bubbles in case of a liquid process fluid or liquid droplets in case of a gaseous process fluid 6 Wait until the RHM temperature has stabilized and then c...

Page 6: ...Green I O signals The standard plugs are a push in wire connection type Solid wires and stranded wires with end sleeves can be connected by simply pushing the wire into the opening For connecting stranded wires without prepared ends crimp ferrules etc it may be necessary to press down and hold the cable release operator while inserting the wire To disconnect a wire simply press down the cable rele...

Page 7: ...her via a 1nF capacitor PE C The best protection against RF EMI is achieved if the cable shield is connected at both ends In installations with a long interconnecting cable between RHE and RHM significant potential difference between the PE at the RHE and the PE at the RHM may occur Connecting the shield to PE at both ends might lead to undesirable current flow in the shield In situations where a ...

Page 8: ... RHE and the shield left both unconnected and isolated at the RHE or terminated to the PE connection via a 1nF capacitor Upon power up if the RHE indicates an error and the temperature measurement on the bottom right of the display shows C F please check the temperature measurement configuration setting in the RHE section 4 5 The correct temperature measurement configuration setting for an RHM wit...

Page 9: ... Torsion 5 PtT 12 PT2 Tor Sense 1 The shield of the cable is connected through terminal 10 to the housing of the RHM If there is a risk of a significant potential difference between the housing of the RHM and the PE terminal of the RHE the shield should be connected to the RHE PE connection via a 1nF capacitor Alternatively a separate cable can be run for potential equalization between the RHM cas...

Page 10: ...using of the RHM using a screw terminal in the junction box If there is a risk of a significant potential difference between the housing of the RHM and the PE terminal of the RHE the shield should be connected to the RHE PE connection via a 1nF capacitor Alternatively a separate cable can be run for potential equalization between the RHM case and the RHE and the shield left both unconnected and is...

Page 11: ...or to the M4 screw type terminal on the back of the case The cross sectional area of the grounding wire must be equal to or larger than the conductors used for any supply or I O connection Note National and Local electrical code requirements may contain additional grounding requirements Please ensure that all grounding to carried out to these legal requirements 3 2 2 2 12V to 24V DC Power Supply U...

Page 12: ... the RHE until the Voltage present drops below 10V An RHE RHM flow meter has a typical power consumption of around 3W If a 12V 100Ahr battery is used as the DC input to the RHE the unit would operate for more than 10 days after the AC supply had been disconnected Control Inputs and Outputs In general shielded cables should be used for cable connections longer than 0 5m For cable connections longer...

Page 13: ...positive supply rail the output can drive up to 100mA 2 4W at 24V The output can drive relays directly as well Relays should be connected between the output and the positive supply rail 3 2 3 2 Analog Outputs RHE27 An RHE27 transmitter can be supplied with up to two 4 20 mA analog outputs The outputs can be connected in a passive floating configuration or as active outputs for ground referenced lo...

Page 14: ...ut 2 and terminal 57 A protective resistor can be connected in series with the transmitter output and the load Please note with a 24Vdc supply the maximum total load resistance is 600 Ω For analog outputs with HART communication a load resistance of 250 Ω is recommended RHE26 The RHE26 transmitter has one active grounded 4 20 mA analog output Connect load between terminal 56 positive and terminal ...

Page 15: ...gh operation at the factory Units with active low operational inputs are available upon request Digital inputs have an input resistance of 24 kΩ and when operated will draw approx 1mA when connected to a 24Vdc supply Figure 12 Digital Inputs Digital inputs can be operated with an active DC signal instead of a switch The maximum input voltage must not exceed 30V DC Note that inputs require a switch...

Page 16: ...g input is connected to terminal 60 positive and terminal 61 negative It is highly recommended that shielded cable be used and that the shield is connected to terminal 68 PE at the transmitter The analog input in RHE27 transmitters certified for use with an RHM in a hazardous area includes certified barrier circuitry for connection with an intrinsically safe device The negative AIG terminal of the...

Page 17: ...ut Exits number input field and returns to the associated menu window without saving any changes NEXT Menu Navigation Selects the next menu item During Number Input Increments the number at the cursor position by one Number increment is circular a 9 increments to 0 for decimal numbers F increments to 0 for hexadecimal numbers used for service password Number Sign Change Changes to and vice versa W...

Page 18: ...2 Passcodes and Menu Selection To configure and carry out certain functions in an RHE26 27 transmitter it is necessary to enter a predetermined passcode Passcodes protect configuration setup and prevent inadvertent changes to the flow meter operating condition There are two different access levels with separate passcodes USER and SERVICE The USER level accesses those functions that relate to the o...

Page 19: ...art the procedure or ESC to cancel Once started a countdown timer will begin When it reaches 0 the zero offset calibration procedure is complete Return back to the main screen by pressing the EXIT pushbutton twice 4 4 Change of Positive Flow Direction Rheonik mass flow meters are bi directional and can operate with flow passing through them in any direction In some cases after installation the tra...

Page 20: ...operly configured in all RHE2X transmitters For new RHE RHM systems the temperature measurement type will have already been configured at the factory Checking that the setting is correct or to change the setting so the transmitter can be used with a different RHM flow meter body requires accessing the temperature measurement configuration menu item as shown in Figure 17 Figure 17 RHE26 27 Menu Tem...

Page 21: ...menu 2 Select one of the options stated in Table 9 under ID C B01 e g Configuration 3 Density 3 The default settings are Maximum mA C B02 20mA Minimum mA C B03 4mA This can be changed if necessary 4 Assign the maximum and minimum of the measured variable to respective mA level e g 1200 kg m for Density Max C B08 and 0 kg m for Density Min C B09 5 Select a fire state configuration C B14 to determin...

Page 22: ...xceeded State 5 3 6 mA range exceeded State 6 22 mA error condition State 9 3 2 mA error condition State 10 3 6 mA error condition C B17 CurOutDampingTau Current Output Damping Tau Time constant Tau of the current output damping in seconds An exponential damping mechanism is used within a defined band see CurOutDampingBand When the output values leave the defined band the damping is disabled A val...

Page 23: ...rtant Pulse and Digital Output Parameters ID Abbreviation Full Name Description R S01 VersDigOutCh0 1Config Versatile Digital Output Configuration Used to assign different functions to the pulse output In simple pulse mode Pulse1 and Pulse2 operate independently In phase shift mode Pulse1 and Pulse2 work together to produce the desired pulse output relationship In phase shift mode both outputs Pul...

Page 24: ...larm Channel Digital Alarm Type 0 Setpoint alarm hysteresis default Alarm is indicated when the output is higher than DigOutCh0AlmHigh and cleared when it returns below DigOutCh0AlmLow 1 Inband alarm Alarm is indicated when the output is in the range from DigOutCh0AlmLow to DigOutCh0AlmHigh 2 Outband alarm Alarm is indicated when the output is outside the range DigOutCh0AlmLow and DigOutCh0AlmHigh...

Page 25: ...eroing Process Logic is negative a transition to a low logic level starts the Zeroing 3 DI1 2 causes reset of the Totalizers and the start of Batch Processing if configured see RHE2X Desktop Reference Batch Mode Logic is positive a transition to a high logic level starts the Batch 4 DI1 2 causes reset of the Totalizers and the start of Batch Processing if configured see RHE2X Desktop Reference Bat...

Page 26: ...ystem To connect using Modbus via the RS485 serial port refer to the RHE2X Desktop Reference Manual for a detailed description of the interface and register set The RHE26 27 transmitter features an internal 120 ohm termination resistor with a switch at the back side of the transmitter Normally the termination switch and the factory default position should be set to ON When more than one device is ...

Page 27: ...to point 6 of section 2 and section 4 3 are recommended to ensure a consistent measurement accuracy within the allowed deviations Density measurement in a RHE2X transmitter can be calibrated in the field Please refer to the relevant section in the RHE2X Desktop Reference for instructions 6 2 Troubleshooting Each status window shows a code e g 0x00000000 By pressing the ENTER button the cursor walk...

Page 28: ...RHE26 27 Installation Startup Guide Doc No 8 2 1 06 Ver 1 40 28 7 Ordering Code 7 1 RHE26 7 2 RHE27 ...

Page 29: ...ed by Rheonik may be used The use of any other cable shall be clarified with Rheonik beforehand For safety reasons the total cable length between a RHM sensor and transmitter RHE or a barrier EZB must not exceed 100 meters The connection cable ARHE C4 is specified for 50 C to 105 C Temperatures above must be avoided Temporary temperatures below 50 C are allowed if the cable is fed in a protecting ...

Page 30: ...inal Voltage Max Voltage Um AC supply 23 24 Supply 90 250V AC 250V 250V DC supply 20 21 Supply 10 28V 30V 250V Supply for analog out 50 57 Supply out 24V 30V 250V Digital Out 31 34 Out 24V 30V 250V Analog Out 51 56 Out 24V 30V 250V Digital In 35 36 In 24V 30V 250V RS485 70 71 Interface 70 to 71 5V 30V to PE 250V USB Connector Interface 5V 5V 250V A short circuit to any voltage between 0V and 30V s...

Page 31: ...ss section of the ground wire is 2 5mm Wires with 2 5mm can be connected to the PE terminal 22 or to the M4 screw type terminal only housing E Wires with a bigger cross section must be connected to the M4 screw type terminal only housing E Shield between RHM and RHE IEC60079 0 recommends to ground shielded cables just on one end normally outside the hazardous area On the other side the shield may ...

Page 32: ...d I O All I O and supply terminals of the RHE26 27 are rated for Um 250V and can be connected directly to a SPS or PLC National and local standards regarding electrical installations must be observed For information regarding function and usage of the different I O and supply circuits refer to the corresponding chapters of the main manual The supplied connectors have cage clamp or screw type termi...

Page 33: ...information relevant for hazardous areas Eaa EEPP SSOO HHCC OOO Eaa RHE Version E26 RHE26 E27 RHE27 EE Housing Options E1 panel mount E2 panel mount with transparent door H1 DIN rail mount RHE26 only H2 DIN rail mount with transparent door RHE26 only PP Power supply options D1 12 to 24V DC A1 100 to 240V AC U1 DC plus AC SS SW Options OO I O Configuration Options HH Hazardous areas approvals ATEX ...

Page 34: ...dous areas IEC 60079 0 IEC 60079 11 For the list of standards relevant for a certain unit and for the release date refer to the certificate The RHE26 27 certified by CSA comply with the following standards for hazardous areas C22 2 No 61010 1 2012 UL 61010 1 3rd Ed C22 2 No 60079 0 6th Ed UL 60079 0 6th Ed C22 2 No 60079 11 6th Ed UL 60079 11 6th Ed C22 2 No 60529 Ed 2 2 ANSI ISA 60529 Ed 2 2 C22 ...

Page 35: ...Appendix A Safety Instructions Ver 1 00 35 A 13 Contact address Rheonik Messtechnik GmbH Rudolf Diesel Str 5 85235 Odelzhausen Germany www rheonik com info rheonik com ...

Page 36: ... color to indicate warning or error Operation 3 x front panel operator buttons for all menu navigation and settings Power Supply AC 100 240 VAC 48 to 62 Hz 6W DC 12 24 VDC 10 6W Connection Pluggable cage clamp terminals Interfaces Modbus RTU RS485 and USB standard HART over analog output option Analog Outputs Type 4 20mA compliant to NAMUR NE 43 Signal type and quantity RHE26 1 output active refer...

Page 37: ...gh state 100mA low state Quantity RHE26 0 RHE27 0 to 2 Output value programmable Digital Inputs Type 24V according to IEC60946 Input Level 13V for high state 6V for low state Input Current 1mA Quantity RHE26 1 RHE27 1 to 2 Input value programmable Analog Input Type 4 20mA active compliant to NAMUR NE 43 For 2 wire passive sensor Quantity RHE26 0 RHE27 0 to 1 Input value Pressure ...

Page 38: ...Appendix B Technical Information Ver 1 00 38 B 2 Mechanical Drawings B 2 1 RHE26 RHE26 E1 Transmitter Dimensions all dimensions in mm RHE26 E2 Transmitter Dimensions all dimensions in mm ...

Page 39: ...Appendix B Technical Information Ver 1 00 39 RHE26 H2 Transmitter Dimensions all dimensions in mm RHE26 H1 Transmitter Dimensions all dimensions in mm ...

Page 40: ...Appendix B Technical Information Ver 1 00 40 B 2 2 RHE27 RHE27 E1 Transmitter Dimensions all dimensions in mm ...

Page 41: ...Appendix B Technical Information Ver 1 00 41 RHE27 E2 Transmitter Dimensions all dimensions in mm ...

Page 42: ...Appendix C CE Certificates Ver 1 00 42 Appendix C CE Certificates ...

Page 43: ...Appendix C CE Certificates Ver 1 00 43 ...

Page 44: ...Document No 8 2 1 06 Version 1 40 APR 2019 ...

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