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LU D W I G

S C H N E I D E R

德国罗德玮格仪表公司

Operation Manual of Liquid Crystal Flow Totalizer

液晶流量积算仪使用说明书

Liquid Crystal Flow Totalizer Model: JS-70

Содержание JS-70

Страница 1: ...LUDWIG SCHNEIDER 德国罗德玮格仪表公司 Operation Manual of Liquid Crystal Flow Totalizer 液晶流量积算仪使用说明书 EN CH Liquid Crystal Flow Totalizer Model JS 70 ...

Страница 2: ...ou Co Ltd Ludwig International Trade Shanghai Co Ltd TEL 400 860 9760 E mail lw ludwig schneider com cn OS www Ludwig Schneider com cn Page 01 33 液晶流量积算仪型号 JS 70 34 59 Ludwig Schneider GmbH Co KG KGAmEichamt 4 6 97877 Wertheim EN CH 页 Liquid Crystal Flow Totalizer Model JS 70 ...

Страница 3: ...n 02 3 Statement 02 4 Version 02 5 Packing items 02 6 Matters needing attention 03 7 Technical indicators 05 8 Install the wiring 06 9 Basic operation and running screen 12 10 Configuration and auxiliary operation 17 11 Failure analysis and troubleshooting 25 12 Service Guide 27 13 Appendix 1 Examples of Use 28 14 Appendix 2 Parameter Setting Example 33 ...

Страница 4: ...on 1 1 Main Body Design Function Of LCD Flow Totalizer 1 2 Sign Description TEL 400 860 9760 www Ludwig Schneider com cn EN 7017872 0609 2018 CH EN Wiring terminal Setting button Flow indicator Model Output Output Instrument number Power supply 01 ...

Страница 5: ...eration Thank you very much for using the flow totalizer produced by our company 3 Statement The contents of this manual are subject to change due to function and performance upgrades without prior notice The contents of this manual are strictly prohibited to be reproduced or copied in whole or in part The company guarantees that the content of this manual is correct If you find something wrong or...

Страница 6: ...ent please do not install it with power on Please use the rated voltage power supply connect it properly and ground it properly After connecting the power supply please do not touch the terminals on the back of the instrument to prevent electric shock In case of electromagnetic source There are corrosive flammable or explosive gases Please install the instrument indoors and ensure that the install...

Страница 7: ...e and other organic solvents to clean it may cause discoloration or deformation The content changes and function upgrades due to system optimization will not be notified To avoid measurement error please use the corresponding compensation wire when the sensor is a thermocouple When the sensor is a thermal resistance use three copper wires with the same specifications and a resistance value of less...

Страница 8: ... power distribution each channel 30mA Output function Transmission output support 4 20mA standard current transmission output of one flow channel load capacity 500Ω which is convenient for the collection of display instruments or DCS PLC and realizes long distance signal transmission Power supply Relay alarm output support up to 2 relay alarm outputs contact capacity 1A 250VAC 1A 30VDC maximum con...

Страница 9: ...al instrument please refer to the physical object Ambient temperature 0 50 avoid direct sunlight Technical indicators are general indicators of this series of instruments Please refer to the actual product for function configuration Ambient humidity 0 85 R H no condensation Description of technical indicators Working environment 8 Installation and Wiring 8 1 Instrument Size 8 2 Hole Size 160mm 109...

Страница 10: ...ed on each side of the instrument and the screws used for the Installation method instrument panel mounting bracket are M3 standard screws Step 1 Push the meter from the front of the installation panel please use steel plate into the Step 3 After the meter body is installed you can connect the signal cable and the power cable When installing this instrument please do not tilt it to the left and ri...

Страница 11: ...circuit should be laid separately The measuring object is not the interference source Once it cannot be avoided please insulate the measuring object from the measuring circuit and ground the measuring object If the input wiring is connected in parallel with other instruments it will affect the measured value When it is necessary to connect in parallel it is necessary to pay attention not to switch...

Страница 12: ...ower supply terminal signal positive terminal signal ground terminal Temperature channel analog input 24V power supply terminal signal positive terminal and signal ground terminal of pressure transmitter 12V power supply terminal signal positive terminal and signal ground terminal of frequency transmitter RS232C communication interface serial port printing interface RXD is the instrument signal re...

Страница 13: ...nd F with wires Note When the power consumption of the transmitter exceeds the feed load ca pacity of the unit please use an external voltage regulator to supply power Flow current input Flow frequency input Temperature channel input Transmission output Pressure channel input Communication Interface Relay output Relay output AC power input Frequency Phase wire Zero line Earth AC power supply 22VAC...

Страница 14: ...1 2W or more RS485 terminal of the instrument Terminal resistance external additional RS 232C Connection Users only need to connect one end of the equipped RS 232C communication line to the RS 232C interface of the instrument and the other end to the serial port of the portable computer or PDA to achieve RS 232C communication connection It is made of shielded twisted pair and the length of the com...

Страница 15: ... data value of the cursor etc Menu key switch the main display running screen overview digital display query list screen switch the number of decimal places where the cursor is instrument coefficient range density and other parameters return to the upper screen query sublist return to query list screen The configuration screen quickly exits to the overview screen etc Right Arrow Move the cursor ri...

Страница 16: ...guration screen press Menu key to quickly return to the overview screen When you are in the overview screen you can press OK to switch to the small overview screen When you are in the overview screen you can press the Enter key to return to the overview screen When in the digital display screen you can press direction key to switch the sub digi t al display screen Note Run screen Configuration scr...

Страница 17: ...ay screen When different models of flow are selected the relevant parameters in the small overview screen also follow changes Differential pressure Frequency and Volume correspond to Differential pressure Frequency type and Linear models respectively When the system is not compensated the relevant interface or related parameters are automatically hidden and not displayed when the system medium is ...

Страница 18: ...x Bar graph The filled area of the bar graph represents the percentage of the current data in the total range Since the upper and lower limits of the state range have reached the best display effect Note The density displayed in the small overview screen is the value under the fluid working condition After the cumulative clearing is performed the cumulative value in the size overview screen is cle...

Страница 19: ...n sequence number save up to 24 sets of power down information and display up to 3 sets of information on a single screen Cumulative Monthly Report shows the cumulative details and annual cumulative value of the monthly flow of the meter system in the current year After the cumulative clear is executed the data in the corresponding cumulative report screen is cleared Scroll bar indicates the curre...

Страница 20: ...ty Press and hold Menu key and Confirm key at the same time for one second to enter the Configuration screen Automatic switching represents the time interval for the cyclic switching between the two channel pictures in each channel of the digital display screen The initial value is 0S which means that it does not automatically switch System maintenance Mainly play the role of restoring the default...

Страница 21: ...e ρ medium density Differential pressure flowmeter Q Formula 4 1 Frequency type model is suitable for all kinds of fixed frequency signal and pulse signal flowmeters vortex turbine flowmeter etc When the cursor is in the Frequency Vortex Street setting box press Enter to enter to set the frequency value or pulse count Differential to square root Select this setting when the differential pressure s...

Страница 22: ...e coefficient of the flow meter when the flow meter When the coefficient unit is times L the K factor of the instrument the average coefficient value of the flowmeter 1000 coefficient When the model is selected as differential pressure type the flow meter coefficient is Differential pressure type When the model is used the K factor can also be selected for automatic calculation relevant parameters...

Страница 23: ... media compensation both density and unit are involved in the calculation At this time the flow coefficient K should be calculated according to the linear flow meter mass flow calculation formula When modifying the upper and lower limits of the range press the Menu key to modify the number of decimal points and press the Enter key to enter the auxiliary screen for parameter change operation Medium...

Страница 24: ... compensation At this time the density ρ in the orifice plate of the flow model is the working condition density ρ obtained by checking the saturated steam pressure or temperature density table f according to the actual input pressure or temperature Superheated steam The purpose of superheated steam compensation is to obtain mass flow Hot water The system has a built in hot water density meter and...

Страница 25: ... n volume flow after compensation When the calculation result is volume flow the rated pressure should be set the parameters are determined by the user and the meter defaults to 0 000Mpa The calculation result of the mass flow has nothing to do with the standard pressure Standard density ρ Gas density under standard conditions eg 20 00 C 0 000Mpa n 3 gauge pressure in Kg m Accumulation Report link...

Страница 26: ...r range limits of the external mode Adjust b value The user can set this upper and lower range limits to constrain the given value in the upper computer or instrument bar chart The proportion makes it achieve the best display effect Allow the user to adjust the deviation of the displayed value the displayed value measured value adjusted value in general the adjusted value should be set to 0 Filter...

Страница 27: ...al time monitoring of the instrument etc The communication configuration is used to set the parameters such as the communication mode address and baud rate of the machine The mode is divided into PC and printer When the mode is PC the baud rate can be selected and when the mode is Printer At this time the baud rate is not selectable and the stop bit and verification can be the default need to corr...

Страница 28: ...s mainly used for multi digit parameter adjustment such as alarm range upper and lower limit settings K coefficient value etc Enter the auxiliary interface to quickly adjust the multi digit value Once the set value exceeds the settable range the system will prompt that the parameter can be exceeded Set the range At this time press the up and down keys or left and right keys to re set the parameter...

Страница 29: ... consumption of the flow meter with display meter is relatively large 1 The communication cable is not connected properly 2 Incorrect communication parameter setting 3 Communication serial port setting error 1 The output cannot be sent 2 The transmission output ratio is not coordinated 1 Check the configuration settings 2 Check the signal cable 3 Check the sensor 1 Reset the limit value 2 Cancel o...

Страница 30: ...ear product quality problems Repair fees The warranty period is calculated from the date of purchase by the user and the user s purchase invoice specify the product model and serial number of the host or a copy is used as a voucher If the invoice cannot be provided it will be calculated from the date of production by our company During the warranty period the product damaged due to improper use by...

Страница 31: ...20mA Calculation process of K coefficient value and maximum mass flow value In differential pressure configuration Type column is set to 4 20mA Unit default other parameters user defined In the flow configuration the Model column is set to Differential Pressure Type In the media configuration Media column is set to superheated steam Set the Unit column to Kg h Set the Range column to 0 000 4 000 T...

Страница 32: ...0 Unit column is set to Pa In the media configuration the column medium is set to general gas Standard Standard default Set the Range column to 0 3000 In the temperature configuration the Mode column is set to External Supplement Type column is set to Pt100 In the pressure configuration the Mode column is set to External Supplement Set the Range column to 0 00 0 50 Unit default other parameters us...

Страница 33: ...t100 Set the Range column to 0 000 3 200 Unit column is set to t h In the temperature configuration the Mode column is set to External Supplement In the pressure configuration the Mode column is set to External Supplement Example 3 Vortex current flowmeter with temperature and pressure to measure the mass flow of superheated steam Set up Known Vortex sensor Two wire 4 20mA transmitter working temp...

Страница 34: ...lumn to Pressure In the pressure configuration the Mode column is set to External Supplement 3 Known Vortex sensor frequency 0 500Hz K 5000 times m working pressure 3 0 75MPa gauge pressure scale flow 360 m h Set the Unit column to Kg h Set the Range column to 0 00 25 00 In the traffic configuration the Model column is set to Frequency Vortex Type column is set to 4 20mA In volume configuration Ty...

Страница 35: ... Mode column is set to External Supplement Temperature sensor Pt100 In the media configuration Media column is set to superheated steam Type column is set to Pt100 Set the Range column to 0 0 500 0 Unit default other parameters user defined In the pressure configuration the Mode column is set to External Supplement The user in the Range column sets according to the field flow value Type column is ...

Страница 36: ... the same as the flowmeter coefficient value if the flowmeter coefficient unit is times L then the coefficient K vortex flowmeter meter coefficient Value 1000 Orifice details Prescribe Local prescription Quit Model Coefficient Unit Range Orifice 1 00 3 m h 0 5000 Differentialpressure configuration Automatic Media Totalizer Model Unit Range Filter The current value 4 20mA KPa 0 000 4 000 0 S 0 000 ...

Страница 37: ...WIG SCHNEIDER 德国罗德玮格仪表公司 Ludwig Schneider GmbH Co KG KGAmEichamt 4 6 97877 Wertheim 罗德玮格中国代表处罗德玮格自动化仪表广州有限公司罗德炜舸国际贸易上海有限公司电话 400 860 9760 邮箱 lw ludwig schneider com cn 网站 www Ludwig Schneider com cn ...

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