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KRAL BEM 300 Series, Руководство по эксплуатации

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38

OIE 15en  Edition 2019-12 HW 2.0/SW 2.0 

Operating Instructions

Accessories mounting

Accessories

Fixing kit OME

Adapter set for conversion of BEM 4U to BEM 300/500

1. Dismount the BEM 4U.
2. Slide the front frame 

2

 and the sheeting with seal 

3

 from behind onto the electronic unit 

1

.

3. Place the electronic unit in the control cabinet.
4. Slide on the sheeting 

5

 and the sealing frame 

6

 and fix with screws and washers 

7

.

Note

: Depending on the sheet thickness of the control cabinet the delivered screws have to be replaced 

by longer ones.

Fixing kit

Application

Article No. Suitable for

Mounting on 
Volumeter OME

UZA 21*

BEM 300/500 / OME 13

UZA 22*

BEM 300/500 / OME 20

UZA 23

BEM 300/500 / OME 24

UZA 24

BEM 300/500 / OME 32

* Not suitable for OME with DIN flanges.

Adapter set

Application

Article No. Suitable for

□

Mounting in the 
control cabinet

□

Conversion of BEM 
4U to BEM 300/500

EGT 23

BEM 300
BEM 500

Scope of delivery:

□

1 sheeting bonded to seal

□

1 sheeting

1

Electronic unit

2

Front frame*

3

Sheeting bonded to seal**

4

Control cabinet

5

Sheeting**

6

Sealing frame*

7

Screws and washers*

*    Part of the scope of delivery of BEM 300/500

** Adapter set

1

2

3

4

5

6

7

Содержание BEM 300 Series

Страница 1: ...Operating Instructions KRAL Electronics BEM 300 Series OIE 15en Edition 2019 12 HW 2 0 SW 2 0 ...

Страница 2: ...Technical data of connections 16 Power supply 16 Tension spring terminals 16 Pulse inputs 16 Analog pulse and relay outputs 16 Analog input display background illumination 17 Display 17 Modbus interface 17 Ambient conditions 18 Connection assignments 19 Pick ups 19 Analog outputs 19 Pulse outputs 19 Power supply 24 V DC 19 Serial interface 19 Analog input background illumination 20 Connecting cabl...

Страница 3: ...factory setting 33 2 15 Decimal places 33 Menu 3 K factors Volumeter A 33 3 01 K factor Volumeter A Point 1 33 Menu 4 Density table 1 33 4 01 Density table 1 Point 1 33 Menu 7 Alarms 33 Troubleshooting Information about faults 34 Alarms 34 Further faults 35 Accessories Accessories mounting 37 Universal mount fixing kit 37 Fixing kit for pipe mounting mounting on OMG 37 Fixing kit OME 38 Adapter se...

Страница 4: ...e that employees read and observe these instructions and the associated documents in particular the safety instructions and warnings Observe additional system specific directives and regulations Specialist personnel fitters Read observe and follow these instructions and the associated documents in particular the safety instructions and warnings Symbol Meaning Warning personal injury Note Procedure...

Страница 5: ... for the Volumeter Corresponding operating instructions for the sensor Calibration certificate Worksheet The following general safety instructions must be observed No liability is accepted for damage arising through non observance of the operating instructions Read the operating instructions carefully and observe them The operator owner is responsible for the observance of the operating instructio...

Страница 6: ...as a total value since the device was last reset Rate values represent the current instantaneous values total values corres pond to the sums since the last resetting Mass calculation The instantaneous value of the mass flow mass per time unit is calculated from the measured value of the incoming pulses per time unit and the stored values of mean K factor and mean density and is dis played Furtherm...

Страница 7: ...e electronic unit Language selection Display of the measured values in different units volumes masses and temperatures Averaged display values A density for conversion to mass Information message at faults or invalid inputs 1 scaleable and assignable analog output 0 10V 4 20 mA 1 scaleable and assignable pulse output Bus connection The electronic unit can be connected to the system by means of a M...

Страница 8: ...utput 1 Pulse output Fig 2 Basic Temperature compensation 1 Volumeter 1 Pick up 1 Temperature sensor 1 BEM 500 electronic unit Electronic evaluation Volume measurement Temperature compensation Mass flow measurement Temperature compensation 2 Relay outputs 2 Analog outputs 2 Pulse outputs Batching Fig 3 Basic Flow direction detection 1 Volumeter 2 Pick ups 1 BEM 300 electronic unit Electronic evalu...

Страница 9: ... BEM 500 electronic unit Electronic evaluation Differential measurement Mass flow measurement Temperature compensation 2 Relay outputs 2 Analog outputs 2 Pulse outputs Fig 7 Basic Flow direction detection 2 Volumeters 2 Pick ups each 1 BEM 500 electronic unit Electronic evaluation Differential measurement Flow direction detection 2 Relay outputs 2 Analog outputs 2 Pulse outputs Fig 8 Basic Flow di...

Страница 10: ...e Ambient conditions page 18 Storage If possible store the electronic unit in original packaging in a cool and dry place while observing the ambient conditions see Ambient conditions page 18 Disposal Safety instruction for disposal Disposing of the electronic unit As electronic waste the electronic unit has to be disposed of properly Maintenance The electronic unit is maintenance free Cleaning In ...

Страница 11: ...tool set The following safety instructions must be observed All installation and removal work may only be carried out by qualified personnel Read the operating instructions and observe the relevant instructions The electronic unit is a precision instrument Ensure cleanliness and take care during installation and removal Do not take apart the electronic unit The following qualifications are require...

Страница 12: ...frame 2 and a sealing frame 4 see Fig 2 page 12 When the space is limited mounting is also possible without a housing cover 6 and gasket with cable entries 5 see Fig 2 page 12 Required minimum mounting depth 80 mm Dimensions of front frame Height 145 mm Width 145 mm Depth 12 mm Aids KRAL tool set 1 Electronic unit 2 Front frame 3 Control cabinet 4 Sealing frame 5 Seal with cable entries 6 Housing ...

Страница 13: ...universal mount that is available as an accessory is used for wall mounting see Accessories moun ting page 37 Prerequisite Universal mount is mounted to the wall All cables have been cut to length and connected Aids KRAL tool set 1 Slide the electronic unit 1 into the universal mount 2 2 Fasten the electronic unit using the supplied screws washers and wedge lock washers The electronic unit is read...

Страница 14: ...s 2 Unscrew the connecting screws between the front and sealing frames 3 Pull off the sealing frame to the rear 4 Pull the electronic unit with front frame from the front out of the control cabinet 5 Press the front frame to the rear and pull it off the electronic unit Removing the electronic unit from the wall 1 Unscrew the connecting screws between the electronic unit and the universal mount 2 S...

Страница 15: ...shown in the terminal diagram The bus interface address can be selected per software see 2 10 Address modbus page 32 Fig 1 Terminal panel of the BEM 300 electronic unit 1 Power supply 24 V DC 2 Analog output 4 20 mA 3 Analog output 0 10 V 4 Serial interface RS232 5 Bus interface RS485 6 Pick up 1 7 Pick up 2 8 Analog input 0 10 V Background illumination 9 Pulse output 1 2 3 4 5 6 7 8 9 000766 1 2 ...

Страница 16: ...m2 Litz wires 0 08 2 5 mm2 Wire end ferrule 0 08 1 5 mm2 Component Data Pulse inputs minimum limit frequency 0 5 Hz maximum limit frequency 20 kHz powers supply 24 V DC or Namur 8 2 V Component Data Analog output 4 20 mA active voltage sources short circuit proof load 500 Ω electrical isolation 500 Veff resolution 1 μA scalable temperaturdrift 0 1 calibration tolerance 0 1 reaction time 20 ms x sm...

Страница 17: ...oder mode pulse width high settable from 2 200 ms max output frequency at pulse width 2 ms 250 Hz Component Data Analog input 0 10 V input impedance 3 4 kΩ adjustable via menu only for U 0 V Designation Data Text display 4 lines 20 characters Updating rate 100 ms Background illumination 20 levels can be adjusted via software or analog input Contrast 20 levels can be adjusted via software Language ...

Страница 18: ...et in Menu 2 22 see 2 10 Address modbus page 32 Note Data exchange via the bus connection is not password protected Write access deletes existing values Therefore we only recommend reading of the data Ambient conditions Variable designation HEX address Length Designation Quan tity Command Serial number 0x4012 DW DOUBLE WORD 32 bit Software 0x4020 W WORD 16 bit Hardware 0x410A W WORD 16 bit Display...

Страница 19: ...s page 41 Power supply 24 V DC Different power supply units are available as accessories see Accessories electrical connection page 39 These are connected here Serial interface Connection Function Terminal Pick up 1 U 24 V DC 12 Signal 13 Gnd 14 Pick up 2 90 U 24 V DC 15 Signal 16 Gnd 17 Connection Function Terminal Analog output 1 4 20 mA Signal 3 Gnd 4 Analog output 1 0 10 V Signal 5 Gnd 6 Conne...

Страница 20: ...9 The following safety instructions must be observed during the electrical installation The following qualifications are required for the electrical connection Practical electrotechnical training Knowledge of the safety guidelines at the workplace Knowledge of the electrotechnical safety guidelines The connecting lines of the sensor connections are to be shielded and laid separately from the suppl...

Страница 21: ...move the rear device cover and remove the terminating tool 2 Use the diagonal cutter to adapt the cable gland to the cable diameter 3 Pull the cable through the cable gland 4 Hook the short spike of the terminal tool in the tension spring terminal Press the terminal tool from the cable opening The tension spring terminal is released 5 Introduce the wire into the cable opening 6 Remove the terminal...

Страница 22: ...ength see Connecting cables to the ten sion spring terminals page 21 3 Pull the cables for the analog and pulse outputs individually through the cable glands 4 Connect the cables for the analog and pulse outputs in accordance with the terminal diagram see Connection assignments page 19 5 Lay the cables for the analog and pulse outputs to the consumer 6 Connect the loads 7 Replace the rear device c...

Страница 23: ...of the electrotechnical safety guidelines Check Procedure Installation Check that the electronic unit is seated firmly For wall and pipe mounting as well as mounting on volu meter Ensure that the rear device cover and cable entries seal properly Electrical installation 1 Ensure that the system is disconnected 2 Remove the rear device cover 3 Check that the wiring of the power supply at the termina...

Страница 24: ...e entry Resetting of total values Confirmation of the selection ARROW UP Change to the following page of the menu Select the previous unit Increase the digit ARROW DOWN Change to the previous page of the menu Select the next unit Decrease the digit ARROW RIGHT Navigate one menu higher ARROW LEFT Navigate one menu lower ARROW LEFT ARROW RIGHT Help on operation SET ARROW RIGHT Selecting the language...

Страница 25: ...HT ARROW LEFT key to change the position within the number input 5 Use the ARROW UP ARROW DOWN key to increase or decrease keys 6 Repeat Steps 3 and 4 for all the numbers 7 Press SET The password is deactivated Entries are possible 8 Repeat Steps 1 3 to activate the password Changing the value 1 Enter the password see above 2 Change to the desired page 3 Press SET The flashing cursor indicates the...

Страница 26: ...lect Menu 1 02 2 Press SET Total 1 flashes 3 Press SET for 3 seconds Total 1 is set to 0 4 Press SET Total 2 flashes 5 Press SET for 3 seconds The password prompt is displayed 6 Enter the password Total 2 is reset Select the language see 1 07 Language selection page 29 1 Press SET and ARROW RIGHT simultaneously Language selection is displayed 2 Press SET 3 Press ARROW DOWN ARROW UP to select the l...

Страница 27: ...are available PNP Namur NPN Either PNP or NPN can be selected for push pull pick ups see 2 11 Function sensor page 32 Abbreviation Meaning Qrated Nominal flow rate QA Current flow Volumeter A ΣA1 Total flow volumeter A since last reset without password protection ΣA2 Total flow Volumeter A since last reset with password protection Rho Density f Frequency K K Factor Quantity Units Volume ml l galUS...

Страница 28: ...ing display contrast 1 07 Setting language selection 1 12 Help operation 1 13 Enter password 002 Settings 2 01 Enable password 2 02 Select unit rate 2 03 Select unit total 2 04 Select unit density 2 05 Function analog output 2 06 Scale analog output 1 2 07 Averaging analog output 2 08 Scale pulse output 1 2 09 Display start message 2 10 Address modbus 2 11 Function pick up 2 12 Averaging display r...

Страница 29: ... to select the desired language 3 Press SET The selected language is applied after a diffe rent page has been called up 1 12 Help operation Shortcut Press ARROW LEFT and ARROW RIGHT simultaneously This page displays brief instructions for opera ting Press ARROW UP or ARROW DOWN to navigate in the text Use SET to exit the help Menu 7 Alarms Shortcut Press SET and ARROW LEFT simultaneously Use ARROW...

Страница 30: ... is adjusted on this page 1 06 Setting display contrast The contrast of the display is adjusted on this page Pages 1 07 and 1 12 are described separately see Shortcut pages page 29 1 07 Setting select language The language is selected on this page The page can be called up via shortcut see 1 07 Langu age selection page 29 Menu 2 Settings Menu 2 allows adaptation in accordance with the requirements...

Страница 31: ...he unit of the total can be selected in accor dance with the requirements 2 04 Select unit density The unit of the density can be selected in accor dance with the requirements 2 05 Function analog output The function of the analog output can be speci fied here Either 1 4 20 mA output or 1 0 10 V output is available 2 06 Scale analog output 1 Scaling of the analog output allows the maximum value to...

Страница 32: ... via the bus connection is not password protected Write access deletes existing values Therefore we recommend only reading of the data 2 11 Function sensor The setting of the sensor type has to be adapted to the sensor used Available signals PNP Namur NPN Either PNP or NPN can be selected for push pull sensors 2 12 Averaging display rate In the case of fluctuating flow rates the use of average val...

Страница 33: ...01 K factor Volumeter A Point 1 Menu 4 Density table 1 Menu 4 Density Table 1 allows the mass con version of the flow rate values The density table can be requested from the supplier of the liquid Prerequisite is that the process temperature is constant and is known and that the density at this temperature has been entered 4 01 Density table 1 Point 1 Enter the value of the density table Menu 7 Al...

Страница 34: ...umeter Limit the flow rate Check the volumeter Use a larger size The flow rate exceeds the maximum scale value of an analog output Correct the scale see 2 06 Scale analog output 1 page 31 The flow rate exceeds the maximum scale value of a pulse output Correct the scale see 2 08 Scale pulse output 1 page 32 The maximum frequency of the pulse output amounts to 250 Hz A pick up at Volumeter A has fai...

Страница 35: ...s can be mea sured at the terminals of the electronic unit with the oscilloscope One pick up each is connected and the function pulse input Encoder is selected Select the Counter function see 2 13 Function pulse input page 33 Analog output does not function Analog output function selected incorrectly Select the correct function see 2 05 Function analog output page 31 Signal cable connected to an i...

Страница 36: ...ounced switch bet ween the electronic unit and power pack Shield the lines to the pick ups and terminate the shield to Gnd chas sis or ground Keyboard background illumination flashes There is an input error 1 Press SET and ARROW LEFT simultaneously The existing errors are dis played 2 Eliminate the errors Overflow of the total value After an overflow of the total value the electronic unit displays...

Страница 37: ... unit are available as accessories Universal mount fixing kit Fixing kit for pipe mounting mounting on OMG Fixing kit Application Article No Suitable for Wall mounting UZA 20 BEM 300 BEM 500 Mounting M8 Fig 1 Mounting dimensions of universal mount UZA 20 Fixing kit Application Article No Suitable for Pipe diameter mm min max Pipe mounting moun ting on Volumeter OMG UZA 28 BEM 300 OMG13 BEM 500 OMG...

Страница 38: ...l cabinet the delivered screws have to be replaced by longer ones Fixing kit Application Article No Suitable for Mounting on Volumeter OME UZA 21 BEM 300 500 OME 13 UZA 22 BEM 300 500 OME 20 UZA 23 BEM 300 500 OME 24 UZA 24 BEM 300 500 OME 32 Not suitable for OME with DIN flanges Adapter set Application Article No Suitable for Mounting in the control cabinet Conversion of BEM 4U to BEM 300 500 EGT...

Страница 39: ...30 V AC 30 A max 115 V AC 15 A max limited by NTC in heated state higher Overvoltage protection at the input Varistor Fuse Internal fuse T4A 250 V additional external fuse not required Current consumption 230 V AC 0 25 A typ 115 V AC 0 5 A typ Output Data Output voltage 24 V DC Output current max 850 mA Output power 20 W Function display LED at front panel Current limitation Fold back set to appro...

Страница 40: ...ation voltage Input Output 3 kV routine tested EMC emitted interference EN 55011 B Immunity to interference EN 61000 6 2 Efficiency 83 depending on input and output voltage Connections Screw terminals pluggable Input 0 5 2 5 mm2 Output Ua 2x0 5 2 5 mm2 Output GND 2x0 5 2 5 mm2 Dimensions 36 x 76 x 94 mm WxDxH Weight Approx 250 g Model Sheet steel can be snapped onto a DIN rail TS35 EN 60715 or can...

Страница 41: ... 5 V has to be used The scale of the pulse output of the electronic unit has to be selected so that the maximum frequency of 50 Hz is not exceeded Output Data Output voltage 24 V DC 2 Output current max 625 mA Output power 15 W Short circuit protection Continuous auto recovery Overvoltage protection Yes Environment Data Operating temperature 0 40 C Storage temperature 20 C 85 C Dimensions 80 6x47 ...

Страница 42: ...y 16 k non volatile 16 k non volatile Number of records 16000 16000 Resolution 8 bit 8 bit Stop options When full After n records First in first out When full After n records First in first out Recording interval 1 sec to 10 days 1 sec to 10 days Range 0 255 pulses per record 0 255 pulses per record Operating temperature 40 C 85 C 40 C 85 C Battery durability Up to 5 years Up to 5 years Housing BE...

Страница 43: ... Differential measurement The values of two volumeters are measured and subtracted Electronic unit BEM 300 500 indication device Flow direction detection Detection of the flow direction through two sensors with square wave signals out of phase by 90 Flow rate Amount flowing per time unit e g l s Galvanic isolation Isolation of differing voltage potentials Incremental encoding input Processes two s...

Страница 44: ...re measured and evaluated Square wave signal Pulse signal with square wave form Supply line Line from the reservoir to the consumer Temperature compensation Consideration of the current temperature at the volume and mass calculation in order to compensate density changes Temperature input Processes signals of a temperature sensor Temperature sensor Converts the physical value temperature into an e...

Страница 45: ...Operating Instructions OIE 15en Edition 2019 12 HW 2 0 SW 2 0 45 Notes Appendix Notes ...

Страница 46: ...46 OIE 15en Edition 2019 12 HW 2 0 SW 2 0 Operating Instructions Notes Appendix Notes ...

Страница 47: ...Operating Instructions OIE 15en Edition 2019 12 HW 2 0 SW 2 0 47 Notes Appendix Notes ...

Страница 48: ...www kral at KRAL GmbH 6890 Lustenau Austria Tel 43 5577 86644 0 E Mail kral kral at ...

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