Related Manuals for KRAL BEM 300 Series
Summary of Contents for KRAL BEM 300 Series
- Page 1 KRAL Electronics - BEM 300 Series. Operating Instructions OIE 15en Edition 2019-12 HW 2.0/SW 2.0...
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Page 2: Table Of Contents
Electronic evaluation ▪ Analog input background illumination □ □ Bus connection Connecting cables □ ▪ Safety instructions for electrical Applications of the KRAL electronic unit installation ▪ Single-line measurement ▪ Connecting cables to the tension ▪ Differential measurement spring terminals ▪... - Page 3 Table of Contents □ Menu 2: 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 ▪...
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Page 4: Target Groups
Procedures installation and removal Procedures electrical installation Check or fault table Operating steps for electronic unit Faults in the electronic unit Faults in the KRAL Volumeter Faults in the system Input errors Request for action OIE 15en Edition 2019-12 HW 2.0/SW 2.0... -
Page 5: Danger Levels
Danger levels Danger levels Warning Danger level Consequences of non-observances Danger Immediate threat of danger Serious personal injury, death Warning Possible threat of danger Serious personal injury, invalidity Caution Potentially dangerous situation Slight personal injury Caution Potentially dangerous situation Material damage Further applicable documents Declaration of conformity as per EU Directive 2014/30/EU Corresponding operating instructions for the Volumeter... -
Page 6: Volume Measurement
Volume measurement With its functional scope the KRAL electronic unit covers a wide range of functions. The electronic unit is Function description optimized for use together with KRAL Volumeters. KRAL Volumeters generate a specific number of pulses per flow volume unit - depending on the size and working point. This device-specific characteri- stic is called the K-factor (unit: Pulses/Liter) and is listed in the enclosed calibration report. -
Page 7: Electronic Evaluation
Electronic evaluation Electronic evaluation The electronic unit receives signals from the pick ups and calculates the measured values which are indicated in the display unit and which can be called up at the analog output or at the bus interface. Possibilities of the electronic unit: □... -
Page 8: Applications Of The Kral Electronic Unit
Applications of the KRAL electronic unit Applications of the KRAL electronic unit Different extension stages of the electronic unit are presented on the basis of the following examples. This allows the required functional scope to be selected in accordance with the requirements. -
Page 9: Differential Measurement
Applications of the KRAL electronic unit Differential measurement Extension stage Components Functions □ □ 2 Volumeters Electronic evaluation □ □ 1 Pick up each Differential measurement □ □ 1 BEM 500 electronic unit 2 Relay outputs □ 2 Analog outputs □... -
Page 10: Unpacking And Checking The State Of Delivery
Unpacking and checking the state of delivery Unpacking and checking the state of delivery Transportation, storage and maintenance 1. On delivery unpack the electronic unit and check for damage during transportation. 2. Report damage during transportation immediately to the manufacturer. 3. -
Page 11: Safety Instructions On Installation
The following components belong to the scope of delivery of the electronic unit: □ Operating Instructions □ Password □ Worksheet □ Mounting frame including screws and lock washers □ Terminal tool □ KRAL tool set Operating Instructions OIE 15en Edition 2019-12 HW 2.0/SW 2.0... -
Page 12: Installation In The Control Cabinet
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 OIE 15en Edition 2019-12 HW 2.0/SW 2.0 Operating Instructions... -
Page 13: Wall Mounting
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 ready to operate after the power supply has been switched on. -
Page 14: Removal
Removal Fig. 5 Fixing kit for pipe mounting / Fig. 6 Fixing kit for KRAL Volumeter OME KRAL Volumeter OMG series series 1 Electronic unit 1 Electronic unit 2 Universal mount 2 Universal mount 3 Fixing kit for pipe mounting/OMG... -
Page 15: Terminal Panel Of The Electronic Unit
Terminal panel of the electronic unit Terminal panel of the electronic unit Electrical connection B- B- Fig. 1 Terminal panel of the BEM 300 electronic unit Power supply 24 V DC Pick up 1 Analog output 4 ... 20 mA Pick up 2 Analog output 0 ... -
Page 16: Technical Data Of Connections
Technical data of connections Technical data of connections Power supply Designation Data □ Power supply range 24 V DC ± 20% □ Power consumption max. 0,5 A □ Insulation voltage < 500 V Tension spring terminals Cable type Terminating range □... -
Page 17: Analog Input Display Background Illumination
Technical data of connections Component Data □ Pulse output active pulse sources (PNP transistor switches power supply) □ maximum output current: 20 mA □ short-circuit proof □ load > 1 kΩ □ scalable □ signal level at 24 V DC power supply: ▪... -
Page 18: Ambient Conditions
Technical data of connections The following variables are available at the Modbus: Variable Length Designation Quan- Command designation address tity Serial number 0x4012 DW DOUBLE WORD 32 bit – Software 0x4020 W WORD 16 bit – Hardware 0x410A W WORD 16 bit –... -
Page 19: Connection Assignments
Connection assignments Connection assignments Pick ups Connection Function Terminal Pick up 1 U+24 V DC Signal Pick up 2 U+24 V DC (+ 90°) Signal Analog outputs Connection Function Terminal Analog output 1 4–20 mA Signal Analog output 1 0–10 V Signal The data logger can be connected to the analog outputs 4–20 mA, see "Data acquisition accessories", page 41. -
Page 20: Analog Input Background Illumination
Connecting cables Analog input background illumination Connection Function Terminal LCD Control In 0–10 V Connecting cables Safety instructions for electrical installation The following safety instructions must be observed during the electrical installation: □ The following qualifications are required for the electrical connection: ▪... -
Page 21: Connecting Cables To The Tension Spring Terminals
Cable shortened to correct length □ All wires stripped to approx. 5 mm Aids □ KRAL tool set □ Diagonal cutter 4. Hook the short spike of the terminal tool in the tension spring terminal. Press the terminal tool from the cable opening. -
Page 22: Connecting The Sensors
□ The pick ups are mounted Aids: □ KRAL tool set □ Diagonal cutter 1. Remove the rear device cover. 2. Adapt the cable gland to the cable diameter and cut it to length, see "Connecting cables to the ten- sion spring terminals", page 21. -
Page 23: Safety Instructions For Commissioning
Safety instructions for commissioning Safety instructions for commissioning Commissioning The following safety instructions must be observed during commissioning: □ The following qualifications are required for commissioning: ▪ Practical electrotechnical training ▪ Knowledge of the safety guidelines at the workplace ▪ Knowledge of the electrotechnical safety guidelines Checking the electronic unit Check... -
Page 24: Key Assignment
Key assignment Key assignment Operation of the basic functions The electronic unit is operated by means of five keys. Key/combination Designation Function □ Confirmation of the entry □ Resetting of total values □ Confirmation of the selection □ Change to the following page of the menu □... -
Page 25: Operation At A Glance
Operation at a glance Operation at a glance General operating steps The following table describes the password entry as well as general operating steps, such as the chan- ging of values and units. The password is included in the scope of delivery and consists of four digits. Operating steps Entering the password 1. -
Page 26: Operating The Basic Functions
Operation at a glance Operating the basic functions The following table describes the basic operating steps. They can be carried out in part without a pass- word having to be entered. Operating steps Reading the consumption ► Press the ARROW UP and ARROW DOWN keys simul- see "1.01 Volumeter A", page 29 taneously. -
Page 27: Abbreviations, Quantities And Units
Abbreviations, quantities and units Abbreviations, quantities and units Abbreviations used Abbreviation Meaning Nominal flow rate rated 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 Density Frequency K-Factor... -
Page 28: Menu Structure
Menu structure Menu structure Menu description Menu Page (information) □ Display 1.01 "Volumeter A" □ 1.02 "Volumeter A Total" □ 1.03 "Reset collective error message" □ 1.04 "Information" □ 1.05 "Setting display brightness" □ 1.06 "Setting display contrast" □ 1.07 "Setting language selection" □... -
Page 29: Start
Start Start This page displays brief instructions for opera- ting. Press ARROW UP or ARROW DOWN to After the power supply has been switched on, a navigate in the text. Use SET to exit the help. start message indicates that the electronic unit is ready to operate. -
Page 30: Reset Collective Error Message
Menu 2: Settings 1.06 Setting display contrast Number of Minimum value Maximum decimal pla- value -1 999 999,999 1 999 999,999 -199 999 999,9 199 999 999,9 In order to avoid this a different unit can be selec- ted or the number of decimal places reduced, see The contrast of the display is adjusted on this "Further faults", page 35. -
Page 31: Select Unit Rate
Menu 2: Settings 1. Press SET. 2.05 Function analog output The password prompt is displayed. 2. Enter the password using the arrow keys, see "General operating steps", page 25. 3. Press SET. The password protection is deactivated: It is possible to change the settings. The password protection is reactivated auto- The function of the analog output can be speci- matically after approx. -
Page 32: Scale Pulse Output
Menu 2: Settings No filter is active for Averaging 0 and 1. In the 2.11 Function sensor case of Averaging 2–9 a continous average- value generation is carried out. A Vz1 filter is active at Averaging 10–10000. In the process the old measured values is weighted higher by the averaging value than the new measured value. -
Page 33: Function Pulse Input
Menu 3: K-factors Volumeter A Menu 4: Density table 1 2.13 Function pulse input 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. -
Page 34: Information About Faults
Information about faults Information about faults Troubleshooting Thanks to the high quality standard faults in the electronic unit are very rare. Implausible display values therefore usually indicate faults in the system. The following fault table lists the various fault messages as well as their cause and remedy. -
Page 35: Further Faults
Further faults Fault display Cause and elimination Che- cked The unit of density has been chan- ged. ► Convert the numerical values and correct the density table. The unit of the rate has been chan- ged. ► Check the analog output scale and correct it. - Page 36 Further faults Further faults Cause and elimination Che- cked Double flow when the option flow direction Change the function of the pulse detection is used input from "Counter" to "Encoder", see "2.13 Function pulse input", page 33. When the electronic unit is switched on, the ►...
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Page 37: Accessories Mounting
Accessories mounting Accessories As already described in the section "Installation and removal", the KRAL electronic unit can be installed by various methods. In addition to the mounting frame that forms part of the scope of delivery, diverse mounting sets for mounting the electronic unit are available as accessories. -
Page 38: Fixing Kit Ome
Accessories mounting Fixing kit OME Fixing kit Application Article No. Suitable for Mounting on UZA 21* BEM 300/500 / OME 13 Volumeter OME 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. -
Page 39: Accessories Electrical Connection
Accessories electrical connection Accessories electrical connection The electronic unit operates with a power supply of 24 V DC. If a different voltage is available in the sys- tem, a suitable power supply unit can be used. Rack mounting power supply unit EEN 12 Fig. - Page 40 Accessories electrical connection Environment Data Storage temperature -40 °C ~ +85 °C Operating temperature -25 °C ~ +60 °C, above 50 °C performance reduction 1.5%/ °C Cooling Air convection Electrical safety Design to EN60950 Degree of protection IP 20 Insulation voltage Input/Output 3 kV routine tested EMC emitted interference EN 55011-B...
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Page 41: Data Acquisition Accessories
Data acquisition accessories 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 Environment Data Operating temperature 0 ~ +40 °C Storage temperature -20 °C ~ +85 °C Dimensions 80.6x47.9x43.3 mm Weight... -
Page 42: Display Accessories
Display accessories Features Features BEA 60 BEA 61 Memory 16 k (non-volatile) 16 k (non-volatile) Number of records 16000 16000 Resolution 8 bit 8 bit □ □ Stop options When full When full □ □ After n records After n records □... -
Page 43: Glossary
Glossary Glossary Appendix Term Meaning □ Adjusting time Time span after whose expiry the output is identical with the input □ Analog input Converts an electrical value (0–10 V, 4–20 mA) into a digital value □ Analog output Represents an internal digital value as an electrical value (0–10 V, 4–20 mA) □... - Page 44 Glossary Term Meaning □ Pulse (signal) A rising edge is followed after a certain period by a falling edge □ Corresponds to the square wave signal □ Pulse input Processes pulse signals □ Pulse output Generates pulses with 24 V signal level conforming to the scale of an input variable □...
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Page 45: Notes
Notes Notes Operating Instructions OIE 15en Edition 2019-12 HW 2.0/SW 2.0... - Page 46 Notes Notes OIE 15en Edition 2019-12 HW 2.0/SW 2.0 Operating Instructions...
- Page 47 Notes Notes Operating Instructions OIE 15en Edition 2019-12 HW 2.0/SW 2.0...
- Page 48 KRAL GmbH, 6890 Lustenau, Austria, Tel.: +43 / 55 77 / 8 66 44 - 0, E-Mail: kral@kral.at www.kral.at...
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