Hikmicro FE0 Series User Manual
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Hikmicro FE0 Series User Manual

Hikmicro FE0 Series User Manual

Electromagnetic flowmeter
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Electromagnetic Flowmeter
User Manual
© Hangzhou Microimage Software Co., Ltd. All rights reserved.

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  • Page 1 Electromagnetic Flowmeter User Manual © Hangzhou Microimage Software Co., Ltd. All rights reserved.

  • Page 2: Safety Instruction

    Electromagnetic Flowmeter  User Manual Symbols The symbols that may be found in this document are defined as follows. Symbol Description Indicates a hazardous situation which, if not avoided, will or Danger could result in serious injury. Indicates a potentially hazardous situation which, if not avoided, could result in equipment damage, data loss, performance Caution degradation, or unexpected results.
  • Page 3 Electromagnetic Flowmeter  User Manual  Appearance: This device has been carefully checked before it is shipped from the factory. If damage is caused during transport (Please pay special attention to lining and housing), please contact us.  Nameplate: Check if the product matches the order according to the content of the nameplate.
  • Page 4 Electromagnetic Flowmeter  User Manual The device housing must be protected against external force, heavy pressure or load, and the internal coil and electrodes may be damaged by a dent in the sensor housing, making the product unrepairable.

  • Page 5: Table Of Contents

    Electromagnetic Flowmeter  User Manual Contents Overview ..........................1 Appearance ......................... 2 2.1 Device Appearance ..................... 2 2.1.1 Integral Electromagnetic Flowmeter ..............2 2.1.2 Remote Electromagnetic Flowmeter ............... 3 2.2 Sensor and Transmitter Appearance ................ 4 2.2.1 Sensor ......................... 4 2.2.2 Transmitter ......................
  • Page 6 Electromagnetic Flowmeter  User Manual 5.2 Cable Laying ......................18 5.2.1 Seal Cable Port ....................18 5.2.2 Lay the Conduit ....................18 5.3 Wiring ......................... 19 5.3.1 Connection Between Transmitter and Sensor..........21 5.3.2 Connection of Transmitter to External Device..........21 5.3.3 Power Cable Wiring ..................

  • Page 7: Overview

    Electromagnetic Flowmeter  User Manual Overview An electromagnetic flowmeter (hereafter referred to as “device”) is to measure the flow of conductive liquid in a circular pipe. The principle of operation is based on Faraday's electromagnetic induction law: When a conductor moves in a magnetic field and cuts a magnetic line, the conductor ends produce induction electromotive force perpendicular to the direction of motion and the magnetic field, which is proportional to the conductor's speed of motion (V), i.e.

  • Page 8: Appearance

    Electromagnetic Flowmeter  User Manual Appearance Device Appearance The electromagnetic flowmeter consists of a sensor and a transmitter. According to the way the sensor is connected to the transmitter, the device is divided into integral electromagnetic flowmeter and remote electromagnetic flowmeter. Integral Electromagnetic Flowmeter The transmitter of the integral electromagnetic flowmeter is integrated with the sensor and the internal electrical connection is made at the factory.

  • Page 9: Remote Electromagnetic Flowmeter

    Electromagnetic Flowmeter  User Manual Remote Electromagnetic Flowmeter The transmitter of remote electromagnetic flowmeter is mounted independently of the sensor, and is connected via a dedicated signal cable. Depending on the connection form of the sensor to the pipe, the device can be divided into flanged, wafer, hygienic etc.

  • Page 10: Sensor And Transmitter Appearance

    Electromagnetic Flowmeter  User Manual Sensor and Transmitter Appearance Sensor The sensor consists of measuring tubes with insulated linings, coils, electrodes and enclosures. Note The basic components of flanged, wafer and hygienic sensors are similar. This section illustrates the appearance of a flanged sensor as an example. Sensor Appearance Transmitter Transmitter Appearance...

  • Page 11: Installation

    Electromagnetic Flowmeter  User Manual Installation Caution  There should be sufficient operating space around the device mounting location for easy maintenance.  Avoid areas that are prone to lightning strikes or that may be flooded and rain-fed.  Avoid the installation in the environment of overheating, direct sunlight and corrosion.
  • Page 12 Electromagnetic Flowmeter  User Manual Extended Straight Pipe (DN: Average of Pipe’s Inner and Outer Diameters) A reducing pipe with a taper less than 15° is considered a straight pipe when installed in the upstream and downstream of the measurement tube. Reducing Pipe ...
  • Page 13 Electromagnetic Flowmeter  User Manual  Make sure that no air bubbles are created or accumulated in the location where the measuring tube is installed. If air bubbles enter the measuring tube of the sensor, they will cause a large fluctuation in the displayed values and cause severe measurement errors.
  • Page 14 Electromagnetic Flowmeter  User Manual Fluid Conductivity Should Remain Stable Caution In the case of upstream chemical injection, the fluid conductivity may fluctuate significantly, affecting the device's normal operation. To avoid this, it is recommended to change the injection port of the chemical material to the downstream side of the device.

  • Page 15: Installation Requirements

    Electromagnetic Flowmeter  User Manual Installation Requirements  Pipes should be welded before the device is in position. No electrical welding is allowed after the device is in position. After the device is installed, the device power must be disconnected first if other parts of the pipe need welding construction.

  • Page 16: Installation

    Electromagnetic Flowmeter  User Manual Caution The electrode shown in the upper right image is located on the top of the measuring tube, and air bubbles escaping from the medium will cause the electrode to be isolated from the medium for a short period of time, making the measurement unstable and causing serious errors.

  • Page 17: Installing Remote Transmitter

    Electromagnetic Flowmeter  User Manual Wafer Flowmeter Installation Caution  The bolts should be tightened alternately and gradually, do not tighten the opposite bolt while either bolt is still loose.  Do not over-tighten the bolt during initial installation. It is generally recommended to re-tighten after 24 hours.
  • Page 18 Electromagnetic Flowmeter  User Manual Mounting Bracket Can Be Fixed to Round Tube (Left) or Wall Mounted (Right) The Transmitter Is Secured to the Bracket With a Nut...

  • Page 19: Grounding

    Electromagnetic Flowmeter  User Manual Grounding The medium grounding connection is one of the necessary conditions for the correct operation of the device, as shown in the following figure. Make sure that the earth terminal (ground resistance ≤ 10 Ω) is connected with a cable with a sectional area of ≥...

  • Page 20: Metal Pipe Lined With Insulating Material (Grounding Ring Or Grounding Electrode Required)

    Electromagnetic Flowmeter  User Manual Metal Pipe Grounding Metal Pipe Lined With Insulating Material (Grounding Ring or Grounding Electrode Required) Grounding for Metal Pipe With Insulating Lining Note  When using a grounding ring, the grounding of wafer sensor is shown in the figure to the right in Figure 4-1 or the figure to the right in Figure 4-2.

  • Page 21: Non-Metallic Pipe (Grounding Ring Or Three-Electrode Flowmeter Required)

    Electromagnetic Flowmeter  User Manual Grounding of Cathode Protection Pipe Note The grounding of the wafer sensor is shown in Figure 4-1 on the right. Non-Metallic Pipe (Grounding Ring or Three- Electrode Flowmeter Required) Grounding for Non-Metallic Pipe (With Grounding Rings) Note The grounding of wafer flowmeter is shown in Figure 4-2 on the right;...

  • Page 22: Wiring

    Electromagnetic Flowmeter  User Manual Wiring Cable Selection Caution Hard-drawn copper wire is not allowed for flowmeter power and output signals. Power Cable  In order to ensure the sealing of the device conduit port, choose a round three-core multi-strand sheath cable with an outer diameter of 6 to 10 mm, with each core sectional area being 1.0 to 1.5 mm.

  • Page 23: Output Signal Cable

    Electromagnetic Flowmeter  User Manual Output Signal Cable  To ensure the sealing performance of the conduit ports, choose a round multi- strand sheath cable with an outer diameter of 6~10 m and copper core sectional area of 0.5~1.5 mm. ...

  • Page 24: Cable Laying

    Electromagnetic Flowmeter  User Manual Cable Laying Seal Cable Port Insert the parts of the sealing plug into the cable as shown in the figure below and screw them into the conduit port of the device in turn. Note When connecting the conduit to the sealing plug, make sure not to compromise the sealing properties of the cable and avoid tightening the cable.

  • Page 25: Wiring

    Electromagnetic Flowmeter  User Manual located below the device conduit port. Install a drain valve at the end of the vertical pipe for regular draining of water from the conduit. Lay the Conduit Caution The power supply to the device and each signal cable are allowed to be exposed to bare wiring, but injury from external factors should be avoided;...
  • Page 26 Electromagnetic Flowmeter  User Manual Transmitter Terminal Terminal Description Terminal Terminal Symbol Description Description Symbol Sensor electrode input I+/I- 4 to 20 mA output signal Sensor electrode input P+/P- Pulse output signal Signal common R+/R- RS-485 interface terminal L/N. Power input: AC powered Excitation current input Excitation current...

  • Page 27: Connection Between Transmitter And Sensor

    Electromagnetic Flowmeter  User Manual Connection Between Transmitter and Sensor Caution The transmitter terminals are all plug-in type. Please tighten the lead into the plug first, and check the connection before inserting the plug into the appropriate terminal block. Connection Between the Transmitter and the Sensor Connection of Transmitter to External Device The device establishes signal connection with external devices via terminals 1+, I-, P+, P-, R+, R-.
  • Page 28 Electromagnetic Flowmeter  User Manual IO Output 4 to 20 mA Output 4 to 20 mA Output With HART Protocol PIO Output The PIO parameters of the device are configured according to the order requirements before leaving the factory. In actual scene, the functions and parameters of the PIO can be modified, as described in section 7.1.
  • Page 29 Electromagnetic Flowmeter  User Manual Caution  As PIO is a transistor junction output (isolated), be aware of the voltage and power polarity when wiring.  The voltage of the circuit supply must not be more than 30 V, and the current in the circuit must not be greater than 0.2 A after the load is inserted.
  • Page 30 Electromagnetic Flowmeter  User Manual Alarm Output Caution  Be aware of voltage and polarity when wiring. The external supply voltage must not be greater than 30 V and the current must not be greater than 0.2 A to prevent damage to the device.

  • Page 31: Power Cable Wiring

    Electromagnetic Flowmeter  User Manual RS-485 Signal Output Power Cable Wiring Grounding Before connecting the power cable, the device housing shall be grounded for the safety of the operators. The grounding wire should use 600 V insulated wire with a conductor cross-sectional area greater than 2 mm², and the grounding resistance should be less than 10 Ω.
  • Page 32 Electromagnetic Flowmeter  User Manual  Make sure the power supply is disconnected before wiring.  The power supply should be connected to the device via an external fuse or circuit breaker (2 A).

  • Page 33: Basic Operation

    Electromagnetic Flowmeter  User Manual Basic Operation You can view measurement data, device parameters, alarm messages and clear the totalizer by pressing the key while the device is in the measurement state. View Home Screen After the device is powered up, it enters the initializing state. Initializing After a few seconds, the device automatically enters the measurement state, and the display screen is shown as follows:...

  • Page 34: View Measurement Data And Device Information

    Electromagnetic Flowmeter  User Manual View Measurement Data and Device Information Press any key on the panel and the cursor (black block) appears on the display. Press key or the key to move the cursor to each line or icon. Press the key to display the parameters and information where the cursor is located.
  • Page 35 Electromagnetic Flowmeter  User Manual Note During the above procedure, the cursor will disappear automatically if no keys are pressed for 5 minutes.
  • Page 36 Electromagnetic Flowmeter  User Manual Parameters in the Totalizer Line Parameter Description Σ+ Accumulated value of forward flow Σ- Accumulated value of reverse flow Σ Net totalizer, Σ=Σ -Σ — Flow rate Displays the flow rate Instantaneous Flow Line Parameter Parameter Units Description...
  • Page 37 Electromagnetic Flowmeter  User Manual Parameter in Icon (Alarm Message) Parameter Description Appears when the measurement result is greater than the alarm upper threshold (see Table 7-4). Upper limit This item is displayed only if it is selected in the Alarm Output. Appears when the measurement result is less than the alarm lower threshold (see Table 7-4).

  • Page 38: Clearing Totalizer

    Electromagnetic Flowmeter  User Manual Clearing Totalizer Clear the current cumulative flow display values Σ—, Σ+, and Σ.

  • Page 39: Parameters Setting

    Electromagnetic Flowmeter  User Manual Parameters Setting Before using the device, set the operating parameters of the device according to the actual application (see Table 7-1 and Table 7-2 below). In the measurement state, hold the key for 3 seconds, and the device display prompts to remind you to enter the password: Password Input Interface In the parameter setting state, the functions of keys are as follows:...

  • Page 40: Basic Parameters

    Electromagnetic Flowmeter  User Manual Basic Parameters...
  • Page 41 Electromagnetic Flowmeter  User Manual Note NOTE 1: After setting the PIO interface parameters, complete the wiring according to section 5.3.2.
  • Page 42 Electromagnetic Flowmeter  User Manual Basic Parameter Description Parameter Option/Range Description Simplified Chinese, When set to ENGLISH, device interface Language English language is English. Total Units , L, mL, Igal, gal, Mgal, bbl, ft , a-ft, t, kg, g, lb, STon, LTon Flowrate Units Time Units sec, min, hour, day...
  • Page 43 Electromagnetic Flowmeter  User Manual Passive Pulse Output Parameter Parameter Option/Range Description Pls Factor Unit L/p, mL/p, Hz See Appendix D for instructions and 0.00001-999999 Pls Factor Appendix C for default values Pulse Width (ms) 200, 100, 50, 20, 10, 50% NOTE 4, default: 50 Normally Status of contacts with no signal output, Pulse Type...
  • Page 44 Electromagnetic Flowmeter  User Manual Pulse Widths for Different Pulse Types The pulse width is set according to the requirements of the signal receiving device and the corresponding signal frequency upper limit is as follows: Pulse width setting (ms) 200 100 50 20 10 Signal Frequency Upper Limit (Hz) 2.5 10 25 50 The meter outputs a pulse signal according to the pulse width value when the signal...

  • Page 45: Set Sensor

    Electromagnetic Flowmeter  User Manual Contact Input Signal Parameter Parameter Option Description Clear The totalizer is cleared when the input contact is closed for more than 1 second. State In Other Feature designed per user specification Note The wiring for the PIO interface defined as "contact input" is shown in 5.3.2. Modbus Protocol Parameter Parameter Option/Range...

  • Page 46: Check Zero Point And Perform Zero Calibration

    Electromagnetic Flowmeter  User Manual Sensor Parameter Set the item Option/value range Description 00000000~99999999 Matches with the number on the sensor Sensor No. nameplate and the corresponding number on the transmitter nameplate. 0000 ~ 9999 Conforms with the data on the sensor Size (mm) nameplate.

  • Page 47: Zero Calibration

    Electromagnetic Flowmeter  User Manual Close the pipe, verify that the medium is full and stationary, and check the flow rate according to instructions in section 6.1:  If the displayed value fluctuates more than ±20 mm/s, the possible causes are shown as follows: (1) The tube contains air or air bubbles passing through the measuring tube.
  • Page 48 Electromagnetic Flowmeter  User Manual...

  • Page 49: Troubleshooting

    Electromagnetic Flowmeter  User Manual Troubleshooting...
  • Page 50 Electromagnetic Flowmeter  User Manual Note  NOTE 1: Switch off the voltage, open the transmitter cover, remove the fuse, check the fuse, and replace if blown.  NOTE 2: After the device is powered off, measure the resistance between the sensors X and Y.
  • Page 51 Electromagnetic Flowmeter  User Manual . If I = 0 mA, the external circuit is open; if I is small, there may exist poor external circuit contact or excessive loop load (R should be less than 500Ω).  Note 7: The pulse output signal f should be equal to the frequency value displayed by the device (see Table 6-2).

  • Page 52: Corrosion Resistance Of Electrode Material

    Electromagnetic Flowmeter  User Manual Corrosion Resistance of Electrode Material Corrosion resistance Material Symbol Features and uses Prohibited Water, sewage, Electroplating wastewater, neutral and alkaline strong acid, chlorine-containing solutions, weak solution Stainless steel 316L acids such as acetic acid and carbonic acid.
  • Page 53 Electromagnetic Flowmeter  User Manual Abrasive medium Electroplating wastewater, Tungsten Carbide such as slurry, pulp, strong acid, chlorine-containing etc. solution Caution Most medium are not single component solutions and contain small amounts of impurities that can be fatal to some electrode materials. For example, tantalum has good corrosion resistance performance in a pure phosphate solution.

  • Page 54: Lining Material Performance

    Electromagnetic Flowmeter  User Manual Lining Material Performance Scope of application Operating Material Designation temperature Suitable for the majority of -40 ~ +120°C. strong acids, strong alkalis and Teflon PTFE other chemical fluids and high temperature fluids, food and beverage, etc. Excellent wear resistance.

  • Page 55: Default Parameters

    Electromagnetic Flowmeter  User Manual Default Parameters Specification Default Upper Range Value Pulse Factor Flow range m L/P. 0.16 to 1.6 0.0002 0.36 to 3.6 0.0002 0.64 to 6.4 0.001 1 to 10 0.001 1.64 to 16.4 16.4 0.002 2.56~25.6 25.6 0.002 3.99~39.9...
  • Page 56 Electromagnetic Flowmeter  User Manual 800~8000 8000 1000 1000 ~ 10000 10000 1200 1600~16000 16000 Note Other default parameter / default value: (1) Language: Simplified Chinese; (2) Low cutoff (%): "0.2"; (3) Damping: "2s"; (4) Empty detect: OFF upon low conductivity medium without field calibration, other 40;...

  • Page 57: Terminology

    Electromagnetic Flowmeter  User Manual Terminology Device General term for electromagnetic flowmeters and their components (sensors, transmitters) in this manual. Medium Refers to the liquid or slurry in the target pipe. Accuracy The relative indication error between the measured result and the measured truth value.
  • Page 58 Electromagnetic Flowmeter  User Manual The reciprocal of the device coefficient, obtained by the real-current calibration. Pressure rating The maximum pressure that the measuring tube can withstand at a medium temperature of 20 °C, displayed in nominal pressure PN. IP ratings Degree of protection of device housing from ingress of solid foreign objects or water.
  • Page 59 Electromagnetic Flowmeter  User Manual The device's frequency output is limited to 5 kHz. When the f value for F is greater than 5 kHz (the icon will appear on the display to remind you to modify the pulse factor value), the output signal frequency is cut off at 5 kHz, which may cause serious errors to the system.

  • Page 60: Flanged Sensor Lining, Length And Heat Resistance

    Electromagnetic Flowmeter  User Manual Flanged Sensor Lining, Length and Heat Resistance Overall Connection size Lining material dimensions mm Ф pres sure PTFE ber of holes × О × × О × О × × О × О О × О...
  • Page 61 Electromagnetic Flowmeter  User Manual О × О × × О × О × × О × О × × О О × × × О × О × × О × × × × Note If there is need for operation under high pressure and other scenarios, please contact...

  • Page 62: Modbus Parameter

    Electromagnetic Flowmeter  User Manual Modbus Parameter Read Register address Register Number Type Description write Option Hexadecim Decim length (R/W 0x0001 Flow 0x0017 R/W. 0x00: direction Forward 0x02: Bidirection Totalizer R/W. 0x2B:m 0x0001 0x003F unit 0x29:L. 0xE7: 0x0001 Instantaneo 0x0046 R/W.
  • Page 63 Electromagnetic Flowmeter  User Manual number Forward Factor 10 Long 0x0002 0x0309 accumulate Note d flow high Long 0x0002 Forward 0x030B 0~999999 cumulative flow low Long 0x0002 Reverse 0x030D Factor 10 Accumulate Note d flow high Long 0x0002 Reverse 0x030F 0~999999 cumulative flow low...
  • Page 64 Electromagnetic Flowmeter  User Manual The sending format is as follows: The receiving format is as follows: Format Meaning Format Meaning RTU (HEX) (HEX) Modbus address Modbus address 01 Function code Function code (Register Address-1) (High) 02 Data length (Register Address-1) (Low) Data (High) Register Length (High) Data...
  • Page 65 UD40470B...

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