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Rh eo n i k M esst ech n i k

RE V . L O ct o b er 2014

.

RHEONIK Coriolis Flowmeter

Operation Manual RHE 07, 08, 11

Page

30

4. Warnings

The microprocessor also indicates warnings. The difference to errors is that warnings are
less dangerous than errors. For example there will be a warning when flow rate is above
100% sensor flow rate. But it is just a warning that tells you that meter accuracy could
be reduced in this range, yet hardware and software are working properly.

Possible warning codes are:

Code

Display

Description

_____________________________________________________________________

Warn1

Reset

Power failure possibly occurred, there was a processor reset.

Warn2

FlowRange

Flow rate is above maximum flow rate for this sensor size.

Reduce flow rate to have optimum accuracy.

Warn3

TempRange

Sensor temperature is more than allowable sensor

temperature (set in

MaxTemp

menu).

Reduce sensor temperature. The electrical installations inside the

sensor will be damaged.

Warn4

Drive

For a short time there was a lot of damping of the meter

oscillation (for instance, due to gas bubbles in liquids).

Warn5

OverflTot

There was a totalizer maximum count overflow, the

totalizer started again at zero.

5. Troubleshooting guide

5.1. Sensor voltages and resistances

There are four electrical circuits with which the sensor is connected to the transmitter
RHE. The sensor receives drive excitation from the transmitter and returns two AC Volt-
age signals back to the electronics. The fourth circuit is temperature measurement with a
PT100 temperature sensor.

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Содержание ETx

Страница 1: ...ctober 2014 Rheonik Messtechnik GmbH reserves the right to make changes without notice at any time Operation Manual RHEONIK Coriolis Flowmeter RHE 07 08 11 RHM NT ETx HT RHEONIK the Coriolis Flowmeter experts ...

Страница 2: ...rogramming principle 13 2 1 3 Basic functions 2 1 3 1 Zero calibration 14 2 1 3 2 Reset totalizer 15 2 1 3 3 Display units 15 2 1 3 4 Display sequence and format 16 2 1 3 5 Inputs and outputs 2 1 3 5 1 Current outputs 1 and 2 analog 17 2 1 3 5 2 Analog inputs 18 2 1 3 6 Digital inputs and outputs 2 1 3 6 1 Frequency output 19 2 1 3 6 2 Serial communication interface connection 20 2 1 3 6 3 Externa...

Страница 3: ... 08 11 batch menu 33 6 3 Optioncode selection 34 6 4 Examples with explanation 35 6 5 Serial interface and batch option 35 7 Replacement parts 36 A P P E N D I X Wiring diagram RHMxx RHE 07 07c 08 11 Wiring diagram RHE15 and RHE 07 07c 08 11 Wiring diagram RHMxx with free cable ends Batch Menu RHE basic level user menu RHE service and diagnostic level menu Ex Safety Instructions EC Declaration of ...

Страница 4: ...piston pumps can produce considerable pressure peaks Please note that abrasive media can reduce the wall thickness of the measuring pipes and thus also reduce the maximum operating pressure The construction material which comes in contact with the medium is identified on the name plate The manufacturer accepts no responsibility for the measuring instruments with re spect to the medium to be measur...

Страница 5: ...3 1 4 H A Z A R D O U S A R E A S A F E A R E A S o u r c e 5 V D C S e n s m a x 5 V D C G r o u n d A u x I n p u t P E 2 9 2 8 3 0 N L 1 1 2 3 4 5 6 7 8 9 R S 4 2 2 m al e 9 Pi n T D R D P i n 4 R D T D P i n 2 T D R D P i n 7 R D T D P i n 9 H o s t C h e c k N o e r r o r m e s s a g e i n d i c a t i o n f o r t r a n s m i t t e r C h e c k N o e r r o r m e s s a g e i n d i c a t i o n f ...

Страница 6: ...ne 1 or 2 Ex series sensors RHM with Ex Label are when connected with an Ex Transmitter made for installation inside hazardous areas Ex zone 0 1 or 2 The transmitter RHE includes seven printed boards which can be replaced during servic ing The remote electronic unit consists of two bent measuring loops in the shape of an ome ga 1 2 Installation instructions for sensor RHM For liquids install the s...

Страница 7: ...mounting position the housing flanges can be used to secure it In every instance the sensor and the piping must be secured in front of and behind the sensor It is preferable to use stiff piping systems Avoid extreme reducers because these can cause cavities within the measuring tubes Reducers should be installed several me tres from the measuring device when required In the case of the sensor size...

Страница 8: ...downstream are recom mended Since the piping is not stable we recommend installing these sensor sizes di rectly on the connection block For mechanical installation of these small meters we recommend a mounting skid made of aluminium in order to achieve an optimum of stability with low installation time and costs Installing scheme with holder The sensor RHM as well as the measuring cable RHM RHE mu...

Страница 9: ...lectronic unit RHE with a cable having four pair of shielded wires plus 1 wire 9 wires It is very important that the function groups drive coils and sense coils are connected separately Two single shielded wires for each one see wiring plan In this way any interference between the drive signal and pick up cables is prevented The maximum distance between the sensor and the remote electronic unit is...

Страница 10: ...t connected to the sensor but rather shortened and insulated there These measures prevent a current flow from passing through the cable shield between different earth potentials which could disturb measurements Notes for the RHM xx Typ HT An additional potential equalising conductor must be connected between the sensor RHM xx HT and the analytical electronics RHE terminal 3 for all high temperatur...

Страница 11: ...e factory Therefore make sure that the serial numbers of connected systems comply with serial numbers indicated on instrument type labels 1 5 Power supply wiring The remote electronic unit RHE is delivered set up for 230 VAC 115 VAC or 24 VDC power input The power supply must be turned off while wiring to the remote unit RHE Power supply voltage 10 must correspond to the voltage indicated on elect...

Страница 12: ...the LCD display will show a measurement display If the power is cut for less than 10 seconds the display will show reset error 2 1 1 Keyboard and display The display is a dual line 16 character liquid crystal display LCD Below the display are 3 keys For LCD contrast adjustment a 270 angle trim potentiometer is installed on the back side of the RHE 07 19 housing Near the RHE 08 the same trim potent...

Страница 13: ...nge to the measurement data display The current mass totalizer and flow rate will appear Pressing key 3 scrolls you through the measurement data menu display 2 1 2 Basic operating and programming principle Operation takes place via menu control If you want to enter any menu you have to press the button below the displayed menu point MASS FLOW TRANSMITTER Diag Setup Next Base Funktions 1 Diagnosis ...

Страница 14: ... TRANSMITTER Next 20mA 130 0 g min decrement number increment number step to next Menu example For a complete overview of the menu please have a look at the menu flow chart in ap pendix 2 1 3 Basic functions This section gives a short description of all functions needed to setup all inputs and out puts according to individual requirements 2 1 3 1 Zero calibration Zero calibration should be carried...

Страница 15: ...curate zero point calibration Step through the measurement data display by pressing key 3 until you can enter the zeroing menu Start the zero calibration process by pressing the zero key While the unit is zeroing for about 20 seconds ZEROING active will be displayed After the zeroing Exit is dis played Note If you want to recover the prior zero point before activating the new zero calibration for ...

Страница 16: ...fic temperature density at reference temperature The selection may be changed as often as desired and will be held in non volatile EEProm memory Only certain units can be selected depending on the type of sensor chosen 2 1 3 4 Display sequence and Format In order to determine the sequence of different measurement data displays you have to program first the display function 1 Disp XXXXX In TOGGLE m...

Страница 17: ...A Output error status is 3 7 mA 3 4 22 mA Output signal range is in between 4 22 mA Output error status is 22 mA After this the first of two displays appears in order to scale the output The first display enables you to select the high numerical value of the variable that will be represented by 20 mA of current i e 20mA XXXXX Change that value by pressing or push buttons After the 20 mA value you ...

Страница 18: ...put 0 1 5 volt from the following units V mA kg l C ml min m3 min bar bara psi mPas After pressing Next it is possible to set the input signal range to 1 5 Volts or to 0 5 Volts Next select the lowest and highest values for this range ie 0 1 and 5 Volts Note For use as current loop input you have to connect a resistor of 250 Ohm Example 250 Ohm 0 4 20 mA current source ...

Страница 19: ...2 Frequency Output In this mode it is possible to set the frequency with a flow rate which corresponds to a frequency of 5 kHz The numerical value of the flow rate with a corresponding frequency of 5 kHz can be changed by using the and keys The complete output frequency range is 0 to 10 kHz The frequency output is available from a passive opto isolated open collector driver For wiring see attached...

Страница 20: ...ilable in menu Setup I O Dig in menu point Network Adr Basic Command Format Commands are sent by the computer to the transmitter The message protocol uses only ASCII characters as follows Command header 7FH 7FH address Address is any character A to Z If the transmitter has no address no address character needs to be transmitted If is transmitted as an address this character is valid as an address ...

Страница 21: ..._________ reset totalizer r r hold on totalizer hon hon hold off totalizer hoff hoff clear error c c 2 1 3 6 3 External contact inputs The RHE electronic offers two possible inputs Both are galvanically isolated and are passive This means that in order to activate the inputs the opto isolators LED s have to be switched using an external support voltage of maximum 24 VDC R 2700 Ohm Example resistor...

Страница 22: ...med as Not used 2 1 3 6 4 Contact outputs The output hardware is the same as for frequency output see section 2 1 3 6 1 All outputs can be programmed as follows Limit Flow Temp or Dens Flow rate temperature or density limit The output is active below the adjusted setting Limit Mass Mass totalizer limit The output is active below the adjusted totalizer value Error Output is activated when a malfunc...

Страница 23: ...ue closed open yes Error open at error at normal operation closed no Flow Direc flow direction no Empty Tube 300 kg m closed open yes only active with option density measurement if yes is shown under selectable you can choose in a separate menu point between out active open or out active clsd closed All outputs can be selected in one and the same direction only Attention The maximum allowed curren...

Страница 24: ...n set the mA output to a certain value in order to then check the output using a connected measuring device or a supervisory control and data acquisition In Show mode you can see the actual mA value the output should have at a certain flow rate temperature or density indication 2 1 4 1 1 Sensor diagnostics This function is helpful for start up checking or for testing sensor malfunctions The single...

Страница 25: ...e range is 0 1023 steps This channel is in use for sensor temperature measurement ADChannel2 The second analog input channel has the same technical specifications as ADChannel1 It is a channel for special use see refer 2 1 3 5 2 analog input RTime Electronic run time counter in days and hours Mass Second non resetable totalizer 2 1 4 3 Sensor basic level programming BASIS SETUP To enter this menu ...

Страница 26: ...ry useful for applications with pulsating flow rates piston pumps Time Mass Flow actual Flow mono Piston Pum p m ean Flow indicated Flow high Damping TFlow Digital damping value for display and analog outputs flow rate TFlow is response time in X XX seconds FiltBand Flow rate filter band in percentage of half nominal sensor flow rate Depending on soft ware verion slight and insignificant deviation...

Страница 27: ...d insignificant deviations of this flow rate may be given The CutLimit is valid for digital flow rate display totalization and current out puts if preseted for Flow Time Mass Flow Mass Flow Time Low Flow Cutoff Cut Lim it actual Flow indicated Flow DensCutoff Density cut off for flow rate indication and totalization For applications where the liquid is removed by gas stream out of the pipeline but...

Страница 28: ...e Drive signal error Drive amplifier gives maximum power possible causes extreme unbalanced vibrating sensor system for instance gas bubbles in the pipe loops or pipes are not filled completely drive coil terminal 1 2 defective Err 2 Pick up one of the two sensor signals pick up 1 or 2 is not correct possible causes the wiring is incorrect one or both coils defective defective component on safety ...

Страница 29: ... Err 5 RAM Error on RAM check Err 6 ROM Error on ROM check Defective EEProm storage cell detected calculated checksum is different from programmed checksum Err 7 EEProm No EEProm reading or writing possible Err 8 Division Calibration errors Internal calculations overflow Verify calibration parameter setting Err 9 Stack Stack memory too small Reduce number of measurement periods gates in calibratio...

Страница 30: ...ge Flow rate is above maximum flow rate for this sensor size Reduce flow rate to have optimum accuracy Warn3 TempRange Sensor temperature is more than allowable sensor temperature set in MaxTemp menu Reduce sensor temperature The electrical installations inside the sensor will be damaged Warn4 Drive For a short time there was a lot of damping of the meter oscillation for instance due to gas bubble...

Страница 31: ...al Circuit Resistance Measuring points _____________________________________________________________________ 1 Drive 5 70 ohms 1 2 2 Drive 3 PT100 107 109 ohms at 20 C 3 4 4 PT100 5 PT100 0 ohms short circuit 4 5 6 Coil 1 10 160 ohms 6 7 7 Coil 1 8 Coil 2 9 Coil 2 10 160 ohms 8 9 Resistance values are given for room temperature The measured values are very temperature dependent i e Pick up coil re...

Страница 32: ...to failures or non function please contact the person responsible at your local representative to solve this problem 5 2 TEMPERATURE CALIBRATION Temperature measurement is already factory calibrated Normally a new temperature setup or new recalibration is not necessary The PT100 is connected by 3 wires so that the measurement is just influenced by one wire resistance For extreme long cable length ...

Страница 33: ...t the Prewarn value to the correct value in order to have exactly the required batch value Pset If a batch is stopped it is possible to decide afterwards to continue GoOn or to stop the batch and start a new one Clear If the power supply is disconnected during a batch this batch is stopped and cannot be continued from the last value anymore a new batch has to be started 6 2 Remote electronic RHE 0...

Страница 34: ...et or Prewarn or standard function Out2 output 2 can be configured Preset or Prewarn or standard function Out3 output 3 can be configured Preset or Prewarn or standard function 6 3 Option code selection Choose in the service and diagnosis menu the sub menu step Calibration Menu Now press all 3 buttons in the same time The Display shows Option 0 00000 Press the or button to select the needed code I...

Страница 35: ...et to be set to 100 kg Pwarn to be set to an estimated value depending on the delay time i e 2 kg The aoc can not be activated now The main flow valve will close at 98 kg and the small flow valve will close at 100 kg This means that still a very small overflow will appear This can be eliminated by changing the Pset value to a smaller corresponding value 6 5 Serial interface and batch option In add...

Страница 36: ...ically Safe MV 03 Amplifier and Signal Conditioning Board MM 03 Processor Board MIO 03 Input Output Board Display LCD Board MB 07 08 11 Motherboard RHE 07 08 11 TR 50 2 Fuse T200mA 250V TR 51 0 Fuse T1A 250V Attention For sensor RHM Due to technical reasons only complete RHM can be offered as spare parts If you have a standard sensor RHM with sealing the sensor however could be offered without con...

Страница 37: ...08 11 Page 37 A P P E N D I C E S Wiring diagram RHMxx RHE 07 07c 08 11 Wiring diagram RHE 07 07c 08 11 to RHE 15 Profibus Adapter Wiring diagram RHMxx with free cable ends Batch Menu Basic level user menu Service and diagnostic level menu Ex Safety Instructions EC Declaration of Conformity ...

Страница 38: ...rinsically safe only for EEx version digital input 2 passive function programmable external voltage max 24 VDC digital input 1 passive function programmable TERMINAL BOARD ADAPTER Note EEx version In and outputs connector J7 are galvanically isolated Sensor connections and zeroing contact J9 are intrinsically safe Drive coils Temperature Sensor PT100 Mass Flow Meter Sensor RHM xx analog output 1 a...

Страница 39: ...nsically safe only for EEx version digital input 2 passive function programmable external voltage max 24 VDC digital input 1 passive function programmable TERMINAL BOARD ADAPTER Note EEx version In and outputs connector J7 are galvanically isolated Sensor connections and zeroing contact J9 are intrinsically safe Drive coils Temperature Sensor PT100 Mass Flow Meter Sensor RHM xx analog output 1 act...

Страница 40: ...puts connectors 15 to 27 are galvanically isolated Sensor connections 1 to 9 are intrinsically safe HT SENSORS High Temperature Screen to ground connection MUST BE done An additional potential equalising cable is required see Manual NT ETx Sensors please DO NOT connect Not EEx version In and outputs connectors 15 to 27 are galvanically isolated Sensor connections 1 to 9 are not intrinsically safe ...

Страница 41: ...vices in the hazardous area have to be considered Please also consider the special conditions and rules in our field manual and the respective advises Do not open cover of RHE 11 if powered Please consider the specified temperature of sensor cable Note Sensor connections terminal 1 to 9 are intrinsically safe circuits In and outputs terminals 10 to 19 are galvanically isolated current open collect...

Страница 42: ...tives for devices in the hazardous area have to be considered Please also consider the special conditions and rules in our field manual and the respective advises Do not open cover of RHE 11 if powered Please consider the specified temperature of sensor cable Note Sensor connections terminal 1 to 9 are intrinsically safe circuits In and outputs terminals 10 to 19 are galvanically isolated current ...

Страница 43: ...20R 330R DGND VP VP 5V Um 28 VDC RxD TxD P RxD TxD N Do NOT connect Bus cable screen to DGND SHIELD DGND Connect either SUB D OR Terminals 1 6 CASING GND CASING GND Terminal 22 AI1 Analog input 1 0 20 mA Terminal 21 AI2 Analog input 2 0 20 mA Terminal 20 AI3 Analog input 3 0 20 mA Terminal 17 TOT scalable pulse counter totaliser TXD RXD GND GND GND 5V AI1 AI2 AI3 TOT 15 19 22 20 23 21 17 16 13 19 ...

Страница 44: ...HE 01 05 RHE 06 07 08 11 Remote unit cable marked with blue or white heat thrink 1 2 3 4 5 6 7 7a 8 Mass Flow Meter Sensor RHM xx Pick up coil 1 Pick up coil 2 Drive coils Temperature Sensor PT100 black green red white black green red white 1 2 3 4 5 6 7 8 9 RHE 01 05 RHE 06 07 08 11 Remote unit 3 4 5 6 7 8 9 10 1 2 with junction box cable marked with blue or white heat thrink blue yellow grey gre...

Страница 45: ...MEASUREMENT DATA DISPLAY 2 XXXX XX kg B Start Stop Next 0 00 kg B Batch Display Batch Setup Next BATCH OPTION has to be activated XXXX XX kg B Start Stop Next Batch STOP GoOn Clear display is only temporary reset go to next display start counter at 0 Preset Batch Value Pre shut off Value blinking B disappears after Preset Value is reached V1 2 created by service rheonik com ...

Страница 46: ... Hold Total Zero Flow Quit Error Batch Start Batch Stop MEASUREMENT DATA DISPLAY 1 MEASUREMENT DATA DISPLAY 2 on off 300 600 1200 2400 Enter Setup Mode Enter Error Next XXX kg W X XX kg min XXX X C W X XXX kg l XXX kg E X XX kg min XXX X C E X XXX kg l Warn no Quit Exit Err no Quit Exit Enter Setup Mode Enter Error Next ZEROING active XX XX XX XX kg Reset Undo Exit Zero X XX Undo Zero Exit approx ...

Страница 47: ...GNOSE MENÜ Serial Line Test Send Rec Next DigOut2 Next DigOut3 Next DigInp1 Next DigInp2 Next on off Diagnosis Menu I O Sens Exit Dens1 XXX X g l next Freq1 XXX XXXHz next Dens2 XXX X g l next Freq2 XXX XXXHz next Int Gates XXX next Scale mul XXXX next Scale div XXXXX next ZeroPnt XXXXX next RefTemp XXX XC next AdjTemp XXX X XXX X C AdjDens XXXX X XXXX kg l DensCor XX XX next TempCor XX XX next Pr...

Страница 48: ...afe area II 1 G Ex ia IIC Remote unit RHE07 safe area II 1 G Ex ia IIC Remote unit RHE07C safe area II 1 G Ex ia Ga IIC Remote unit RHE08 safe area II 1 G Ex ia IIC Remote unit RHE11 hazardous area Zone 1 or 2 II 2 1 G Ex de ia IIC Hazardous area Group II Zone CENELEC EN60079 14 Categories acc to 94 9 EC directive Gas mists or vapours Zone 0 1 G Gas mists or vapours Zone 1 2 G Gas mists or vapours...

Страница 49: ... for use in places likely to become endangered by explosive atmospheres but not for mines CE marking on instrument indicating compliance with European directive 94 9 EC Identification number of the Notified body involved in the production control stage Hexagon symbol the specific marking of explosion protection Level of protection Operation in hazardous area zones Note If the number indicating the...

Страница 50: ...xplosion groups Ammonia Acetone aircraft fuel benzene crude oil diesel ethan acetic acid ether gasoline heating oil hexane methane propane Gases and vapours Ethylene isoprene town gas Acetylene hydrogen carbon dioxide o Oil encapsulated p Purged q Sand encapsulated d Explosion proof e Increased safety i Intrisic safety ia ib n non flammable unit m Cast encapsulated s Special protection Type of pro...

Страница 51: ...7 08 11 24 VAC 50 60 Hz 26 VAC 10 VA RHE 07 08 11 24 VDC DC 30 VDC 10 VA Temperature tables Measurement fluid temperatures at ambient temperature 60 C Max fluid temperature C in temperature class at Ta 60 C T6 T5 T4 T3 T2 T1 Sensor RHM NT 50 65 100 120 Sensor RHM ET 165 210 Sensor RHM HT 165 260 350 Min fluid temperature C in temperature class at Ta 60 C T6 T5 T4 T3 T2 T1 Sensor RHM NT 20 20 20 20...

Страница 52: ... antistatic products Don t change increased safety cable glands Ex e or flameproof cable glands Ex d with any other type that do not have this type of protection The sensor cable connection between sensor RHM and the remote unit RHE is in trinsically safe Only the cable delivered by Rheonik may be used The use of any other cable shall be clarified with Rheonik beforehand For installation below min...

Страница 53: ...a may only be installed and operated in safe areas but the intrinsically safe circuits blue terminals can be connected to a sensor RHM which is installed in an hazard ous area The remote unit RHE11 type of protection pressure proof capsule enhanced safe ty intrinsic safety de ia and may be installed and operated in hazardous areas 1 or 2 The RHE11 temperature class is T5 60 C and has a pressure pr...

Страница 54: ...Note shown DOCs are versions from November 2014 Updates are possible and latest version can be obtained on request ...

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