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User Manual for LEVIFLOW

®

LFS Flowmeters

www.levitronix.com

PL-4502-00, Rev11, DCO# 18-107

25

Figure 24: Usage of PLC of LFC-1C-xx converters with a Levitronix

®

pump system

4.2.3 Operation with RS485

Operation with communication over an RS485 bus is possible. The according

MODBUS

protocol can be

requested at

Levitronix



.

4.2.4 Standalone Operation with Display

The

LFC-1C and LFC-1C-F4

can be used as standalone device, where the flow values can be read on the

display.

Converter LFC-1C

Levitronix Pump System

20

19

2

1

10

9

Supply GND

24V

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Содержание LEVIFLOW LFC-1C

Страница 1: ...d proper use of the LEVIFLOW LFS flowmeter series Included are specifications for the standard configuration components and instructions regarding its use installation operation adjustment inspection and maintenance For special configuration of the LEVIFLOW flowmeters refer to accompanying information If the flowmeters have to be configured for other parameter settings then the LEVIFLOW Configurat...

Страница 2: ...of Sensor Specific Data 19 3 2 4 Instructions for Mechanical Installation 20 3 3 Installation of Sensors 21 3 3 1 Overview and Preparation 21 3 3 2 Instructions for Electrical Installation 21 3 3 3 Instructions for Mechanical and Hydraulic Installation 22 4 OPERATION 23 4 1 General Timing Specifications 23 4 1 1 Startup Time 23 4 1 2 Thermal Stability Time 23 4 1 3 Zero Adjustment Activation Time ...

Страница 3: ...usage of an inadequate AC DC power supply mains voltages may be present even if the system is designed for 24VDC The converter must be placed in a spill protected environment Do not under any circumstances open the powered converter The usage of galvanic separated 3rd party tested like CE and or UL AC DC supply is highly recommended WARNING Toxic chemicals may be present When using the flowmeter t...

Страница 4: ...m PL 4502 00 Rev11 DCO 18 107 4 2 Specifications 2 1 Component Overview Figure 1 Standard LEVIFLOW LFS flow sensors Figure 2 Standard LEVIFLOW LFC converters Figure 3 LEVIFLOW accessories 2 1c 3 5 1e 1g 1i 1k 9a 6b 7a 7b 3 4 2 2c 7a 7b 4a 4b 8 1d 1f 6a 9b 9c ...

Страница 5: ...lame retardant PVC white UL VW 1 corresponds to EN 60332 1 2 5b LFE A 2 10 LFE A 2 30 LFE A 2 60 190 10165 190 10166 190 10167 Cable length 1 m FEP Cable length 3 m FEP Cable length 6 m FEP PP female connector cover for IP 65 chemical protection 6a LFE D 1 10 LFE D 1 30 LFE D 1 60 190 10296 190 10297 190 10298 Y cable 1 m PVC cover Y cable 3 m PVC cover Y cable 6 m PVC cover For lFC 6CIO with prot...

Страница 6: ...ment Adress Setting for RS485 Piezo Transducers In Output IN OUT Electrical Interface Power Supply 24 VDC RS485 MODBUS Configuration with PC Software Data Reading Fieldbus Array of Multiple Sensors Analog and Digital Outputs 1x Analog Output 2x Digital Outputs 1x Digital Input LEVIFLOW Sensor LFS xx Flow In Flow Out Extension Cables LFE Digital Signal Processor DSP LEVIFLOW Converter LFC 6C 6 Chan...

Страница 7: ...y Zero Adjustment Address Setting for RS485 Piezo Transducers In Output Signal Power Bus Connector Power Supply 24 VDC RS485 MODBUS Configuration with PC Software Data Reading Digital Signal Processor DSP Flowsensor LFS Flowsensor LFS Flowsensor LFS Flowsensor LFS Flowsensor LFS Flowsensor LFS Analog Output Connector Digital I O Connector Analog Outputs 6 Channels Digital Outputs 6 Channels Digita...

Страница 8: ...cient C P C x Q2 Q Flow lpm P Press Drop kPa 16 8 1 80 for 3 8 5 41 for 1 4 0 88 0 06 0 01 0 003 Maximum Fluid Pressure at 20 90 C in bar 5 5 5 5 5 4 1 5 4 1 5 4 1 5 4 1 Fluid Temperature Normal range 10 90 0 C 50 194 0 F For LFS xxH high temp version 10 180 0 C 50 356 0 F Ambient Temperature 0 60 0 C 32 140 0 F Kinematic Viscosity 0 8 40 mm2 s 0 8 40 cSt Sound Speed 1000 2200 m s Wet Materials PF...

Страница 9: ...fications for single channel converters LFC 1C and LFC 1C F4 Characteristics 6 Channel Converter Types LFC 6C and LFC 6CIO Power Supply Voltage Current Inrush Current LFC 6C 24 VDC 10 150 mA Peak 1 7 within 120 µs LFC 6CIO 24 VDC 10 270 mA Peak 4 9 within 180 µs Ambient Temp Humidity Range 0 50 C 32 122 F 30 85 R H no condensation Enclosure Classification and Material IP 20 indoor use ABS Interfac...

Страница 10: ...ue one time Flow volume detection second value Pulse per volume Error signal empty sensor etc Flow as Frequency output 100 of full scale 1 kHz Bubble detected signal Bits of equipment status can be OR ed on the output Digital output 2 Flow alarm Low Flow alarm Hysteresis Flow alarm 0 20 0 Can be used to get tolerance to noise Alarm high 0 125 105 Alarm setting In percentage of full scale Contact t...

Страница 11: ...0 1 98 5 1 99 1 96 1 136 1 134 1 9 53 6 35 6 33 4 35 120 20 4 500 LFS 08 H 3 8 80 1 98 5 1 100 1 136 1 137 1 9 53 6 33 120 20 4 500 LFS 20 H 1 2 80 1 80 1 136 1 12 7 9 5 120 117 7 30 25 4 M4 x 31 U shape M4 x 30 Z shape Max Torque 0 3 Nm 25 500 LFS 50 H 3 4 80 1 80 1 141 8 1 143 8 1 19 15 8 130 127 7 30 25 4 M5 x 31 U shape M5 x 30 Z shape Max Torque 0 5 Nm 30 500 LFS 80 H 1 80 1 80 1 148 1 25 4 2...

Страница 12: ...ensions and layout of interfaces of single channel converter LFC 1C LFC 1C F4 Figure 11 Dimensions mounting and stacking concept for LFC 6C Connector Box RS485 and Supply Bus Termination Box for RS485 Bus Connector Re Zeroing Botton Display Select Address Setting for RS485 4 Digit LED Display DIN Rail Interface Status LED Channel 1 6 ...

Страница 13: ...CIO Connector Box RS485 and Supply Bus Termination Box for RS485 Bus Connector EMI Ferrite for supply Connector Analog Output Connector Digital I O Sensor Connector Bipolar Audio Type Maximum distance from connector box is 15 cm Re Zeroing Botton Display Select Address Setting for RS485 4 Digit LED Display Status LED Channel 1 6 DIN Rail Interface Connector Protection Male Bushing SMB Connector to...

Страница 14: ... Error Volume Counter Pulse Volume Counter Alarm Flow as Frequency Bubble Detect Parameter Flow Alarm High Setting 105 of full scale Normally opened Contact is made when 105 of full scale flow rate is exceeded 7 Digital Out2 Parameter Flow Alarm Low Setting 5 of full scale Normally opened Contact is made when 5 of full scale flow rate is reached 8 COM Common Digital Out ground 9 Digital In No volt...

Страница 15: ... setup it might be advantageous from an EMC perspective to connect the FG to the PE However in case the FG is connected to PE the entire grounding concept of the field installation has to be considered in order to avoid stray and compensating currents triggered by electrical potential differences If compensating currents between PE and Ground may occur the FG should not be connected 5 For usage of...

Страница 16: ...ding the allowed ambient temperature and humidity range Temperature range 0 50 C 32 122 F Humidity range 30 85 R H no condensation 3 Mount the converter on a DIN rail according to the following steps Step 1 Align first the Snap Pin side of the converter with the DIN rail corner picture a If the rigid side is aligned first see picture b than some of the DIN rail parts of the converter housing might...

Страница 17: ...interfaces Same display and stacking concept as LFC 6C Re Zero Button High ADRS Low ADRS 4 Digit Display Channel Indication a b c d Channel Selection DIN Rail Mounting Sensor Connectors Connector Box Pin 1 Termination Box Converter Multi Converter Array Channel 6 Fixation Bars Fixation Bar Connector Box RS485 Supply Termination Box RS485 Sensor Connectors Pin 23 Pin 24 Pin 1 Pin 2 Pin 1 Pin 2 Pin ...

Страница 18: ...Normally opened Contact is made when 105 of full scale flow rate is exceeded 13 Digital In CH1 No voltage contact or transistor open collector Zero Adjustment Is needed if zero adjustment wants to be triggered by PLC or when volume counter function is used integration of flow with volume detection 2 Digital Out CH1 14 Digital In CH1 3 Digital Out CH2 15 Digital In CH2 4 Digital Out CH2 16 Digital ...

Страница 19: ... Table 7 and 25 additional margin is recommended Consider the inrush current of the converters see Table 7 during power start up when choosing the fuse type and the AC DC power supply 6 Mount the interface connector to the converter and tighten the 2 connector screws 7 Before powering on check again all wiring connections Confirm that the terminals are securely fastened and that there is no possib...

Страница 20: ...ient ventilation is provided in order to avoid exceeding the allowed ambient temperature and humidity range Temperature range 0 50 C 32 122 F Humidity range 30 85 R H no condensation 3 Bring the fixation bars in to un lock position see Figure 11 4 If multiple converters are used see Figure 17b stack them together 5 Attach the connector box see Figure 17a 6 Attach the termination box Figure 17a and...

Страница 21: ...iations the extension cables can be used described in Table 3 Similar to the sensor cables the pair of extension cables is labeled accordingly with IN and OUT Screw together the two connector protection covers of the sensor male and the extension cables female see Figure 8 in order to achieve an IP 65 protection of the connectors Do not shorten the cables on site as a special tool is needed to ass...

Страница 22: ...rement 7 The flowmeter measures flow velocity In order to obtain fully developed flow pattern for accurate velocity measurement straight run of 10x sensor ID upstream and of 5x ID downstream is recommended see Table 5 for ID specifications of the sensor models If non uniform turbulent flow or swirl flow is expected install longer upstream straight run and or a flow rectifier 8 To install on pipe t...

Страница 23: ...nsor to the converter 4 1 3 Zero Adjustment Activation Time There are three possibilities to activate zero adjustment 1 Activating by LEVIFLOW configuration software Zero adjustment starts immediately after pressing corresponding button 2 Activating by re zero button on converter front see Figure 15c resp Figure 17d button has to be pressed during 3 seconds to initiate zero adjustment 3 Activation...

Страница 24: ...erter to a relays to control a shutoff valve by a digital output Note that if protective diode is normally not integrated within relays it has to be connected additionally as shown in Figure 23 This setup additionally shows how to connect a push button to digital input e g for reset of volume counter which has to be configured with LEVIFLOW configuration software Figure 23 Controlling a shutoff va...

Страница 25: ... 2 3 Operation with RS485 Operation with communication over an RS485 bus is possible The according MODBUS protocol can be requested at Levitronix 4 2 4 Standalone Operation with Display The LFC 1C and LFC 1C F4 can be used as standalone device where the flow values can be read on the display Converter LFC 1C Levitronix Pump System 20 19 2 1 10 9 Supply GND Supply 24V ...

Страница 26: ...l scale flow on digital output 6 Measurement error b E r Sensor signal error empty sensor bubble etc Blinking 7 Warning upper limit H Displays upper limit warning with flow rate display by turns Blinking with flow rate Warning lower limit L Displays lower limit warning with flow rate display by turns Blinking with flow rate Exceeds vol counter value H H Volume counter value exceeded preset H Blink...

Страница 27: ...e 14 Additionally LFC 6C LFC 6CIO shows on the display on the right side six LEDs see Figure 17d LEDs indicate which channel has measurement error active when channel selection is set to a specific channel 1 6 or indicates which flow is shown in display at the moment when channel selection is set to 0 4 4 Operation with LEVIFLOW Configuration Software For debugging data collection and configuratio...

Страница 28: ...arts that can be subjected to wear and tear However the following periodical checks are recommended to ensure smooth and reliable operation 1 Check for excessive mechanical stress onto the flow sensor body for example caused by bended piping 2 Inspect for loosen connections caused by excessive pipe vibrations 3 Inspect the sensor visually for any deposits excessive bubbles or foreign materials in ...

Страница 29: ...tandard cut off value as shown in Table 8 is not adequate for application Adapt lower cut off value with LEVIFLOW Configuration Software 5 The flow indication does not match the real flow Wrong parameter settings excessive bubbles or solids in the measurement path Check if the parameters in the converter are set correctly Inspect the flow path for stagnating solids Inspect the measurement path for...

Страница 30: ... requirements of the EMC Directive 2014 30 EC and the Pressure Equipment Directive 97 23 EC The following particular harmonized standards of the EMC Directive EN 61000 6 4 Generic Emission standard for industrial environments EN 55011 Electromagnetic Disturbances EN 61000 6 2 Generic Immunity standard for industrial environments EN 61000 4 2 Electrostatic Discharge Immunity EN 61000 4 3 Radiated r...

Страница 31: ...of hazardous situation which if not avoided could result in property damage Signal word SEMI S1 0701 Safety alert for Warning and Caution Safety alert SEMI S1 0701 Safety alert for Danger Safety alert SEMI S1 0701 Caution refer to accompanying documents is used on article labels for reference to manual Refer to manual ISO 3864 Toxic material poison Hazard identification IEC 61310 Corrosive materia...

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