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Summary of Contents for KRAL BEM 200
- Page 1 Operating instructions KRAL display and processing unit BEM 200 OIE 24en-GB Edition 2022-01 Original instructions www.kral.at...
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Page 2: Table Of Contents
Table of contents 1 About this document ............. 3 10 Decommissioning............ 14 General information ............ 3 10.1 Taking the electronic unit out of operation .... 14 Target groups .............. 3 11 Operation................ 14 Associated documents .......... 3 11.1 Basic functions ............. 14 Symbols................. 3 11.2 Key assignment ............ 15 1.4.1 Danger levels ............ 3... -
Page 3: About This Document
1 About this document 1.1 General information 1 About this document 1.1 General information These instructions form part of the product and must be kept for future reference. Furthermore please observe the associated documents. Note In these operating instructions the designation "Electronic unit" is used for the "Display and processing unit". -
Page 4: Symbols In This Document
Cross-reference 2 Safety 2.1 Proper use o The electronic unit is provided for usage with a KRAL flowmeter. o Use the electronic unit only within the operating limits specified in the "Technical data" chapter. 2.2 Foreseeable misuse o Any use that extends beyond the proper use or any other use is misuse. -
Page 5: Technical Data
4 Technical data 4.1 Dimensional drawing 4 Technical data 4.1 Dimensional drawing 16.5 16.5 20.5 Fig. 2: Housing dimensions Opening 20.5 mm for connecting tube (electronic unit - flow meter OME connection) Opening 16.5 mm for connection of power supply or pick up Opening 16.5 mm for connection of power supply or pick up Operating instructions OIE 24en-GB Edition 2022-01... -
Page 6: Connection Field
4 Technical data 4.2 Connection field 4.2 Connection field INTERNAL EXTERNAL INTERNAL EXTERNAL Voltage Reg. 10-30V 10-30V – – impuls target impuls target current target current target 10-30V 8.2V ...external source ...external source Fig. 3: Connection panel for PNP sensors (left) / connection panel for NAMUR sensors (right) 4.3 Pin assignment The following terminals are electrically connected internally: o 1 + 5 + 7 + 9 = Gnd... -
Page 7: Ambient Conditions
4 Technical data 4.5 Display 4.4.3 Pulse output Parameter Unit Value Type NPN transistor, non-isolated Frequency max. [Hz] Voltage max. Current max. [mA] Pulse width [ms] 0 / 5 / 100, adjustable 4.4.4 Analog output Parameter Unit Value Type Loop powered, set to ground (-) Output [mA] 4 ... 20... -
Page 8: Function Description
5.1 Functional principle 5.1.1 Usage The electronic unit is designed for use with a KRAL flow meter. Flow meters generate a specific number of pulses per flow volume unit – depending on the size and working point. This device-specific characteristic is called the K factor (unit: pulses/litre) and is spe- cified on the calibration certificate. -
Page 9: Control Panel
6.1 Scope of delivery The scope of delivery depends on the order option selected: Order option Included in delivery o Electronic unit BEM 200 + flow meter OME (mounted) Standard - or - o Electronic unit BEM 200 + flow meter OMP (mounted) -
Page 10: Installation, Removal
7 Installation, removal 7.1 Dangers during installation, removal 7 Installation, removal 7.1 Dangers during installation, removal The following safety instructions must be strictly observed: o Have all work only carried out by electricians. o Do not take apart the electronic unit. 7.2 Installing the electronic unit In the standard scope of supply, the electronic unit is offered in conjunction with the OME or OMP flow meter. -
Page 11: Dismantling The Electronic Unit From Omp
8 Connection 7.4 Dismantling the electronic unit from OMP 7.4 Dismantling the electronic unit from OMP o Electrician Personnel qualification: o Work clothing Personal protective equipment: Aids: o Allen key Requirement: ü Power supply switched off Loosen the Phillips screws 1 and remove the front cover 2 of the electronic unit. Remove the connection cable of the power supply 4, the pick up 12 and the pulse output (if used) from the connection panel 3. -
Page 12: Overview
8 Connection 8.2 Overview 8.2 Overview Fig. 5: Electronic unit with OME (left) / Electronic unit with OMP (right) Fig. 6: Cable connections (example) Electronic unit BEM 200 Connection panel Pick up connection cable Power supply connection cable Connecting element Opening 20.5 mm (connecting tube or cable... -
Page 13: Connecting The Pulse Output
8 Connection 8.4 Connecting the pulse output Pull the connection cable of the pick up through the cable inlet and connect it to the connection panel 7, see Ä Technical data, Page 5. Replace the front cover of the electronic unit. Make sure that the front cover and cable entries are properly sealed. 8.4 Connecting the pulse output Personnel qualification: o Electrician... -
Page 14: Commissioning
9 Commissioning 9.1 Checking the electronic unit 9 Commissioning 9.1 Checking the electronic unit Before putting the electronic unit into operation, some basic checks must be carried out: Test Procedure Installation Check that the electronic unit is firmly seated. Ensure that the front cover and cable entries seal properly. Electrical installation Ensure that the system is de-energized. -
Page 15: Key Assignment
11 Operation 11.2 Key assignment 11.2 Key assignment The electronic unit is operated via two keys. Designation Function o Selects the desired menu: SELECT § Flow rate § Total § Accumulated total o Increasing a value after activating the setup mode o Unit configuration o Deletes the value for Total CLEAR... -
Page 16: Display Flow Rate, Total Or Accumulated Total
11 Operation 11.6 Display flow rate, total or accumulated total 11.6 Display flow rate, total or accumulated total Fig. 7: Display data for flow rate (left) / display data for total (right) (examples) Fig. 8: Display data for accumulated total (ex- ample) There are three different screens with display data. -
Page 17: Menu Description
12 Menu description 12.1 Setup functions and variables 12 Menu description 12.1 Setup functions and variables Note The setup values can be protected by setting a password. See menu 6 - OTHER. When a password is set, it must be kept in a safe place. After setting a password, the setup values can only be accessed with a password. -
Page 18: Menu 2 - Rate
12 Menu description 12.3 Menu 2 - RATE 12.3 Menu 2 - RATE Submenu Page (Information) Values Preset ³ UNIT Measurement unit for the flow rate. Changing the mL: L; m ; g; measurement unit affects the values in the oper- kg;... -
Page 19: Menu 5 - D-Out
12 Menu description 12.6 Menu 5 - D-OUT Submenu Page (Information) Values Preset T.MAX Maximum output signal 0 ... 9999 5461 Note: The value can be adjusted if the analogue output is deactivated. Nominal flow rate of the flow meter Tab. 10: Menu 4 - A-OUT 12.6 Menu 5 - D-OUT Submenu Page (Information) -
Page 20: Maintenance
13 Maintenance 13.1 Required maintenance 13 Maintenance 13.1 Required maintenance When operating under approved conditions, the electronic unit is maintenance-free. Check the condition of the housing and cables at regular intervals. Periodically check the input/output wiring for reliability and signs of wear. Periodically check process accuracy. -
Page 21: Troubleshooting
No current or incorrect current can be measured correctly. between terminals 10 and 6. Check supply voltage for BEM 200 and for analogue output for impermissible connec- tion. Use analogue isolators if necessary. "0 / zero” is displayed as the flow rate. -
Page 22: Accessories
The electronic unit can be assembled on an OME or OMP flow meter using the connecting item. Fastening set Application Article Suitable for Connecting tube for assembly on flow meter UZA 91 Electronic unit BEM 200 Connecting bracket for assembly on OMP UZA100 Electronic unit BEM 200 flow meter UZA101 UZA102 Tab. 13: Connecting items... -
Page 23: Electrical Connection
16 Accessories 16.2 Electrical connection 16.2 Electrical connection 16.2.1 Alternative power supply The electronic unit operates with a power supply of 10 - 30 V DC. If a different voltage is available in the system, a suitable power supply unit can be used. 16.2.2 Plug-in power supply unit EEN 13 The accessory set includes exchangeable connectors that can be used in most countries of the world. - Page 24 KRAL GmbH, 6890 Lustenau, Austria, Tel.: +43/5577/86644-0, E-Mail: kral@kral.at www.kral.at...
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