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Tokyo Keiki MW-10 User Manual

Non-contacting radar level gauge
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Document No. KF24-001D
Non-Contacting Radar Level Gauge
MW-10
MW-11
User's Guide

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  • Page 1 Document No. KF24-001D Non-Contacting Radar Level Gauge MW-10 MW-11 User's Guide...

  • Page 2: Safety Cautions

    Read this text carefully and make sure to fully understand its contents before installing and operating this equipment. Follow directions given herein at all times when operation. TOKYO KEIKI INC. is not at all liable for an injury and/or a damage resulting from misuse of this equipment by the user that is contrary to these cautionary notes.
  • Page 3 ④ ⑥ ⑤ ⑦ ⑧ ① Model code (Refer to Chapter 5) ② Date of manufacture ③ Serial number ④ Operating voltage ⑤ Signal output ⑥ IP code ⑦ QR code (Link to TOKYO KEIKI INC. HP) ⑧ Certification Mark...

  • Page 4: Introduction

    Introduction Thank you very much for purchasing TOKYO KEIKI’s Non-Contacting Radar Level Gauge MW-10 or MW-11. This manual provides safety precautions for the Non-Contacting Radar Level Gauge MW-10 or MW-11 and explains specifications, functions, structure, installation, operations and troubleshooting in detail. Please be sure to read this manual thoroughly to ensure proper use of the device.

  • Page 5: Safety Instructions And Warnings

    Safety instructions and warnings For safety, please follow the following items. WARNING ･Please follow the safety instructions in this manual. When dealing with the device contrary to instructions, seller and manufacturer cannot guarantee safety. ·Unauthorized modification of this device is strictly prohibited. For such damage or defect caused by unauthorized modification, seller and manufacturer do not assume any responsibility.
  • Page 6 Prohibitions and precautions for device protection For device protection, adhere to the following precautions. CAUTION ･Do not apply a shock to the device body such as by dropping. ･Do not use the device outside the specified environment condition (ambient temperature and humidity).
  • Page 7 CAUTION This equipment has been evaluated for conformity in business environments and may cause radio interference when used in residential environments. Precautions on using ・Before using the product, please check the model name and corresponding specifications (including the optional parts).

  • Page 8: Table Of Contents

    Safety Cautions ....................(1) Safety symbols ........................(1) Labels and attached place ....................(2) Introduction ........................... (3) Attention ..........................(3) Notes on the manual......................(3) Safety instructions and warnings ..................(4) Prohibitions and precautions for device protection .............. (5) Precautions on using ......................(6) Contents Chapter 1 Configuration ··········································································...
  • Page 9 7.7 Product Identification ······················································································ 7-10...

  • Page 10: Chapter 1 Configuration

    Chapter 1 Configuration 1.1 Product overview The MW-10/MW-11 is a radar level gauge, which can be installed easily in a variety of applications. The MW-10/MW-11 employs a non-contact radar level gauging principle based on FMCW method and is suitable for level measurement in applications such as liquids.

  • Page 11: Product Construction

    1.3 Product construction MW-10/MW-11 has an integrated antenna. There are two types of antenna, each with a different measurement range. The Mounting bracket is an option for installation. Cable glands Cable glands Labels Labels Mounting bracket Mounting bracket (Option) (Option)

  • Page 12: Chapter 2 Mechanical Installation

    Chapter 2 Mechanical Installation 2.1 Note CAUTION ･Installation at inappropriate location or improper installation procedure may cause incorrect measurement. Please refer to this manual for proper installation. 2.2 Installation Method of Level gauge For stable measurement, please keep following conditions, +/- 1deg horizontal balance: Please keep the mounting parallel to the level plane to get better signal strength to liquid surface.
  • Page 13 horizontal balance: horizontal balance: +/-1deg +/-1deg measurement measurement reference reference (Model 10m / Model 15m / Model 30m) (Model 50m / Model 100m) Fig.2.2.2 Horizontal balance...

  • Page 14: Beam Area In The Measuring Range

    2.3 Beam area in the measuring range Please install level gauge avoiding any obstructions in the following beam area, which may any cause of disturbance reflection. The following problems can arise there are any obstructions in the beam area. 1) Reduce reflected wave 2) Erroneous measurement by measuring any obstructions Table 2.3.1 Angle, Distance, and Beam area Beam area [m]...

  • Page 15: Key Factors For Measurement

    2.4 Key factors for measurement The following cases will affect measurement performance. 1) The full performance is not achieved in the level gauge installed incorrectly. 2) Obstructions in the beam area will reduce reflection signal and decrease and narrow the measurable range. 3) Deposit buildup on the antenna, foaming on liquid surfaces may affect measuring range and performance.

  • Page 16: Chapter 3 Electrical Installation

    Chapter 3 Electrical Installation 3.1 Wiring connection CAUTION 1) Be sure to stop the power supply to the device or any of accessories during wiring work to prevent electrical shock. 2) Make sure that wire polarity is made correctly as incorrect wiring may result in damage to the device and its connected accessories.
  • Page 17 *1 Please refer to 3.1.2 How to install terminal cover and cable gland for tightening method. Fig.3.1.1.1 Cable terminal block and wiring (MW-10) Grounding method is different depending on the installation conditions of the device. For details on grounding, see Section 3.6.
  • Page 18 ◆MW-11 Wiring procedure Ensure the power supply is turned off on the line. Remove the terminal cover. Put the power / signal cable into the device through the cable gland. Strip 1cm of insulation from the end of the cable and connect with proper polarity. Pull up the terminal block lever and then place the cable core into the connector.
  • Page 19 3.1.2 How to install terminal cover and cable gland. This device has a cable gland using plastic materials. Cable gland tightening method. Once tighten the cable gland until the cable fixed. Add extra 1 round as finish. To satisfy waterproof performance of IP class, please keep following conditions: - Tighten the terminal cover until the O-ring cannot be seen as shown in Fig.3.1.2.2.

  • Page 20: Installation Of Accessories

    After wiring of device side, then proceed connection of accessories. Followings are example of wiring. MW-10 HART Power modem Terminal block source 250Ω Fig.3.2.1 Connection example (MW-10) MW-11 RS-485 modem Data logger Terminal block (with power supply) TRD+ TRD+ TRD- TRD- Fig.3.2.2 Connection example (MW-11)

  • Page 21: Cable Requirement

    3.3 Cable requirement ◆ MW-10 Required specification: Twisted pair 2 core shielded cable (0.2 to 2.5mm-sq / AWG 24 to 14) Cable entry: M20 x 1.5 ◆ MW-11 Required specification: Twisted pair 4 core shielded cable (0.2 to 2.5mm-sq / AWG 24 to 14) Cable entry: M20 x 1.5...

  • Page 22: Load Resistance

    3.4 Load resistance MW-10 need a load resistance. Refer to the Fig. 3.4.1 for details. The maximum load resistance at the maximum operating voltage used in each equipment specification is shown in ① in Fig. 3.4.1. (For example: maximum operating voltage is DC36V, maximum load resistance is 1090Ω)

  • Page 23: Grounding

    Please connect with shield & FG line to arrester grounding line. The shield of extension line should be taken at ground line of power source side as below. The lightening arrester should be installed near-by MW-10/MW-11. Extension cable MW-10 Power...

  • Page 24: Turn On/Off

    3.7 Turn on/off The equipment is not equipped with a switch for turning on and off. The equipment will start up when power is supplied to it. The measurement operation starts automatically when power is applied. Please note that the equipment cannot measure accurate measurements, if the settings are not completed.
  • Page 25 3-10(Blank)

  • Page 26: Chapter 4 Commissioning

    MW-10/MW-11 can be easily set using the following two methods. - Configuration software on PC connected to communication modem - Configuration software on smartphone For detailed settings, please refer to the "Configuration Software Operation Manual KF24-...

  • Page 27: Operations By Configuration Software On Pc

    4.2 Operations by configuration software on PC You can set the parameters, the other adjustments for the device by connecting a communication modem to the computer and using the specialized configuration software “MWConfig”. For Installation instructions and details, please refer to the "Configuration Software Operation Manual KF24-002".
  • Page 28 4.2.1 Connecting to the device / Disconnecting from the device Fig.4.2.1.1 shows the device connect/disconnect menu when using MWConfig. Please use the "Device Connection" menu to connect to or disconnect from the device. Fig.4.2.1.1 Device connection menu (example) (1) Port Specify the COM port for communication.
  • Page 29 If the connection to the device is successful, you can select the range of parameters to read. If you want to read all parameters stored in the device, click the "OK" button. If you want to read only basic parameters and shorten the time it takes to read the parameters, click the "Cancel"...
  • Page 30 4.2.2 Parameter changed by using a file data You can adjust parameters using a file by clicking “Adjustment (File)” as shown Fig.4.2.2.1. Fig.4.2.2.1 Open Adjustment (FILE) menu (example) Fig.4.2.2.2 Adjustment (file) menu (example) (1) Ref. Select the load file. (2) Load Import parameter information of the file specified by clicking reference button into the configuration software (parameters table).
  • Page 31 4.2.3 Parameter changed by using individual menu You can adjust parameters using individual menu by clicking “Adjustment (General)” as shown Fig.4.2.3.1. Fig.4.2.3.1 Open Adjustment (General) menu (example) By clicking “Adjustment (General)”, the menu is displayed as shown Fig.4.2.3.2. Please set parameters according to the measurement environment, Minimum measurement distance, Reference distance, Below zero range.
  • Page 32 Fig.4.2.3.2 Adjustment (General) - Basic setting menu (example) (1) Display Offset Setting offset value is added to the measured value displayed on the configuration software. (2) Minimum Meas. Distance Set the nearest distance you want to measure. When the measurement target is nearer than the minimum measurement distance, the measurement value is displayed the minimum measurement distance.
  • Page 33 4.2.4 Flow rate calculation You can read/write flow rate calculation data (parameters) for the device using flow rate calculation menu. By clicking "Calc. Flow", the menu is displayed as shown Fig.4.2.4.1. For details on setting values, please refer to Table 4.4.1 Parameters list. Fig.4.2.4.1 Flow rate calculation menu (example) Common items (1) Flow Calc.
  • Page 34 Weir JIS B 8302 - Weir Type Weir type - Waterway Width Breadth of channel (B) - Lack Width Width of weir (b) - Viscosity Coefficient Kinematic viscosity of fluid (ν) - Lack Height Height of weir edge relative to bottom of channel (D) Weir JIS K 0094 - Weir Type Weir type...
  • Page 35 Table.4.2.4.1 Flow calculation formula of weir and application range (JIS B 8302) JIS B 8302:2022 Flow calculation formula Application range B = 0.44 ～ 1.0 [m] Q = 0.577Kh 1.978 h = 0.04 ～ 0.12 [m] K = 83 + D = 0.1 ～...
  • Page 36 Table.4.2.4.2 Flow calculation formula of weir (JIS K 0094) JIS K 0094:1994 Flow calculation formula Q = 1.404 × h × 60 Thomson formula Q = 1.84(b − 0.2h)h × 60 Francis formula Q = 1.84 × B ∙ h ×...
  • Page 37 Table.4.2.4.3 Dimensions of Parshall Flumes and Flow calculation formula Flow Flow rate Size calculation formula PF-03 76.2 3～193 635 x Lv 1.547 638 x Lv 1.550 PF-06 152.4 5～398 1525 1372 x Lv 1.580 9～907 PF-09 228.6 1626 1927 x Lv 1.530 PF-10 304.8...
  • Page 38 Flume JIS User Defined (Flow Table) Fig.4.2.4.4 Flow Calc. Method (Example) 60°triangular weir 90°triangular weir Rectangular weir Full - width weir Fig.4.2.4.5 Weir Type (Example) 4-13...
  • Page 39 If it is necessary to correct the flow rate measurement value, please make the following settings in calibration menu. For details on setting values, please refer to Table 4.4.1 Parameters list. Fig.4.2.4.6 Calibration menu (example) Flow Calibration (1) Flow Offset Calibration Sets the zero point adjustment value for the flow measurement value.
  • Page 40 Table.4.2.4.4 Input range for each flow rate unit (Flow Cutoff) Flow rate unit Minimum value Maximum value 2399976 99999 /min 1666.65 27.777 US Gallons/D 9999999 US Gallons/h 9999999 US Gallons/min 440280.2 US Gallons/s 7338.003 Barrels/D 9999999 Barrels/h 628971.7 Barrels/min 10482.86 Barrels/s 174.714 9999999...
  • Page 41 (14) (13) (15) Fig.4.2.5.1 External IO menu (MW-10) (example) MW-11 does not have an analog current output function. Parameters related to analog current output are displayed in gray color on the menu as shown Fig.4.2.5.2 when using the MW-11 and you cannot set it.
  • Page 42 Analog current output data (1) Analog Current Output Parameter Content of parameters output at 4-20mA (2) Alarm Output Content of alarm output (3) Alarm Delay The time until alarm output after a condition that matches the “Alarm Output Factor” occurs. (4) Fixed Current Output Fixed current is output *Return the setting to 0.0 (current output...
  • Page 43 4.2.6 Measuring value You can confirm the measured value at the top right of the window or at the "Measured values" display area in the "Diagnostics" menu. Fig.4.2.6.1 Diagnostics menu (example) In addition, you can change Measured Values display to the "Dynamic Variables" display by checking the "DV"...
  • Page 44 4.2.7 Special settings It is necessary to set the parameters shown in this section, depending on the installation environment and measurement purpose. For detailed settings, please refer to the "Configuration Software Operation Manual KF24-002". Table.4.2.7.1 Setting example Setting value Parameter Name Default Rapid Ruffles...

  • Page 45: Operations By Configuration Software On Smartphone

    4.3 Operations by configuration software on smartphone MW-10/MW-11 has a wireless communication function via a Bluetooth connection. You can set the parameters, the other adjustments for the device by using the specialized configuration software “TKGauge” on smartphone. For Installation instructions and details, please refer to the "Configuration Software Operation Manual KF24-002".
  • Page 46 4.3.1 Connecting to the device / Disconnecting from the device Please start the "TKGauge" app to connect to the device on the smartphone. After, tap the “Scan” button to search for connectable devices. (see Fig.4.3.1.1) Fig.4.3.1.1 Search devices menu on TKGauge application If there is a device that can be connected, it is displayed as shown Fig.4.3.1.1(b) (right figure).
  • Page 47 When disconnecting the device, tap the menu button and select "Disconnect". (see Fig.4.3.1.2(1)) Fig.4.3.1.2 Disconnect from the device (example) After disconnecting, the screen returns to the Search devices menu (Fig.4.3.1.1). 4-22...
  • Page 48 4.3.2 Parameter adjustment Once the connection to the device is completed on the "TKGauge" application, it is available for adjust parameters. By selecting "Adjustment (General)" from the menu, menu for adjusting general parameters will display. (Figure 4.3.2.1) Fig.4.3.2.1 Example of setting "Basic Configuration" By taping "Basic Configuration"...
  • Page 49 Fig.4.3.2.2 Basic configuration menu (example) By tapping the "Apply" button in Fig.4.3.2.2, the parameter values are written to the device. 4-24...
  • Page 50 4.3.3 Measuring value Once the connection to the device is completed on the "TKGauge" application, Start reading measurement values. What kind of measured value is displayed can be changed tapping the pull-down menu in Fig.4.3.3.1(a) and selecting an item in Fig.4.3.3.1(b). Fig.4.3.3.1 Basic menu during measurement (example) 4-25...

  • Page 51: Parameters List

    4.4 Parameters list Table 4.4.1 Input value and default value of parameter list Parameter Unit Value Default Value (selectable) Display Offset -999.999 ～ 999.999 0.000 -3280.836 ～ 3280.836 (selectable) Reference Distance 0.000 ～ 999.999 30.000 0.000 ～ 3280.836 98.425 (selectable) Below Zero Range 0.000 ～...
  • Page 52 Flow : (selectable) Flow : Flow : m3/D 0 ～ 2399976 2400 m3/h 0 ～ 99999 m3/min 0 ～ 1666.65 1.667 m3/s 0 ～ 27.777 0.028 US Gallons/D 0 ～ 9999999 634009.875 US Gallons/h 0 ～ 9999999 26417.078 US Gallons/min 0 ～...
  • Page 53 No Calc. Weir JIS B8302 Flow Calc. Method Weir JIS K0094 No Calc. Flume JIS User Defined 60°triangular weir 90°triangular weir Weir Type 60°triangular weir Rectangular weir Full width weir PF-03 PF-06 PF-09 PF-10 PF-15 PF-20 Flume Type PF-03 PF-30 PF-40 PF-50 PF-60...
  • Page 54 0 ～ 120 Noise Table *1 0 ～ 80 Noise Margin *1 0 ～ 70 Device Status 0x0000 ～ 0xFFFF Model Code ex) MW-10-NN0-010-4L Firmware Version (RF) ex) V1.0.0 Firmware Version (CTRL) - ex) V1.0.1 Firmware Version (BLE) ex) V1.0.2 Configuration Changed 0 ～...
  • Page 55 (Day) ASCII String Product Tag *Only upper case alphabetic characters can be entered. ASCII String Descriptor *Only upper case alphabetic characters can be entered. ASCII String Message *Only upper case alphabetic characters can be entered. ASCII String Long Tag * Alphanumeric characters can be entered.

  • Page 56: Chapter 5 Technical Data

    Update time 1s *1 Start-up time < 5s Tracking rate for Level change Max 2.5m/s Maximum power consumption (Reference value) < 1W MW-10 3.6～22mA 5.0mA typ. Current consumption (Power supply: DC12V +25℃) MW-11 6.0mA max. (Power supply: DC10.5～36V, Full temperature range)
  • Page 57 *2 The offset can be occur by installation. This offset can be compensated by the adjustment. Please adjust the parameter “Offset Calibration” as necessary. *3 MW-10 has not been conformed to the HART standards. *4 In cases that target object excepts water, the maximum measurement may become shorter then specification according to properties of liquid.

  • Page 58: Optional Specifications

    ・ Stainless steel such as SUS304 ・ Stainless steel such as SUS316L CD-R Configuration software 5.3 Model code table Table 5.3.1 Model code table Output Measurement range Model code or Communication protocol MW-10-NN0-010-4L 4-20mA Max. 10m 4-20mA Max. 15m MW-10-NN0-015-4L 4-20mA Max. 30m MW-10-NN0-030-4L 4-20mA Max.

  • Page 59: Dimensions(Mm) And Material

    5.4 Dimensions(mm) and Material Case Terminal cover (131) Material：PBT-GF30 Material: PBT-GF30 (97) (110) (85) Cable gland Material: Nylon 66 Label Mounting bracket (Option) 4×φ10.5 Material：SUS304 or SUS316L Hexagon socket head cap screw (M6x1.0) Antenna Material：SUS304 or SUS316L M58x1.5 Material：PTFE Retaining ring Material：PBT-GF30 Fig.5.4.1 Model 10m / Model 15m / Model 30m dimensions (85)
  • Page 60 (133) Terminal cover (131) Material: PBT-GF30 (97) Case Material: PBT-GF30 (110) Cable gland (85) Material: Nylon 66 Label Mounting bracket (Option) Material: SUS304 or SUS316L Hexagon socket head cap screw (M6x1.0) 4×φ10.5 Material: SUS304 or SUS316L Adapter Antenna (φ100.5) Material: PBT-GF30 Material: PTFE Retaining ring Material: PBT-GF30...
  • Page 61 In case of preparing your own mounting bracket for installation, please refer to Fig.5.4.5. For installation method, please refer to Chapter 2 Mechanical Installation 2.2 Installation Method of Level gauge. (t=2.0) R1.1 R27.7 +0.2/0.0 Fig.5.4.5 Installation dimensions for mounting bracket...

  • Page 62: Chapter 6 Measurement Principle

    Chapter 6 Measurement principle 6.1 Measurement principle The MW-10/MW-11 sends a signal with a continuously varying frequency towards the liquid surface. When the reflected signal returns to the antenna, it is mixed with the outgoing signal. Please refer to Fig. 6.1.1 for the measurement principle.
  • Page 63 6-2(Blank)

  • Page 64: Chapter 7 Digital Communication (Mw-11)

    Chapter 7 Digital Communication (MW-11) 7.1 Protocol Standard RS-485 Com Method Two-way half-duplex communication Synchro Start-Stop synchronization Baud rate 1200 bps Data Bit 8 bit Parity Start Bit 1 bit(0) Stop Bit 1 bit Flow Control None 7.2 Communication Flow (exchange message) Master Slave (System side)

  • Page 65: Data Format

    7.3 Data Format The example of byte data per message is as below, when using the device of the parameter "Device Number" 0. Please ignore “Undefined value” which may change its byte in accordance with situation. 7.3.1 Request of “Port-Open” (5 bytes : excluded 0xFF) FF FF FF ...
  • Page 66 7.3.2 Reply of “Open Communication port” (29 bytes: excluded 0xFF) FF FF FF … FF 06 80 00 18 00 XX XX XX XX XX XX XX XX XX XX XX XX XX XX XX XX XX XX XX XX XX XX XX Item Byte Description...
  • Page 67 7.3.3 Request of “Process Value” compatible protocol for MD-10 format (9 bytes : excluded 0xFF) FF FF FF … FF 82 ** ** ** ** ** 94 00 ** Item Byte Description 5 - 20 Preamble number of transmission data (*) Start byte Information including MSB bit which indicates primary master, Model Type and Serial No.
  • Page 68 7.3.4 Reply of “Process Value” compatible for MD-10 format (39 bytes : excluded 0xFF) FF FF FF … FF 86 ** ** ** ** ** 94 1E 00 XX ** ** ** ** ** ** ** ** ** ** ** ** XX XX XX XX XX XX XX XX XX XX XX XX XX XX XX XX Item...
  • Page 69 Status Info ---------------------------------------------------- Higher 1 byte : Note Normally 0x00, otherwise it means communication error. [Bit7] On, when any error occurs between Bit0 ~Bit6 [Bit6] On, when parity error occurs [Bit5] On, when over run error occurs [Bit4] On, when flaming error occurs [Bit3] On, when check sum error occurs [Bit2] Not in use [Bit1] On, when overflow of receiving buffer occurs...
  • Page 70 7.3.5 Request of “Process Value” for MW-11 format (9 bytes : excluded 0xFF) FF FF FF … FF 82 ** ** ** ** ** 96 00 ** Item Byte Description 5 - 20 Preamble number of transmission data (*) Start byte Information including MSB bit which indicates primary master, Model Type and Serial No.
  • Page 71 7.3.6 Reply of “Process Value” for MW-11 format (35 bytes : excluded 0xFF) FF FF FF … FF 86 ** ** ** ** ** 96 1A 00 XX ** ** ** ** ** ** ** ** ** ** XX XX XX XX XX XX XX XX XX XX XX XX XX XX Item Byte...
  • Page 72 1-4 byte: Spare slots (Not in use) 5-8 byte: Flow calculation value 9-12 byte: Analog output value (Not in use with MW-11: Reserve for Analog output value used by MW-10) Process Value 3 (Signal strength in dB) Another information relates with measurement...

  • Page 73: Timing For Response

    7.4 Timing for response MW-11 will respond the reply data within 256ms after receiving the request. 7.5 Communication error In case of communication error occurs, retry the request accordingly. 7.6 Abnormality judgment In case that the device can not detect liquid surface reflection, “Process Value 3” (Signal strength in dB) will be output as 0 (zero).
  • Page 74 MW-10/MW-11 User’s Guide Apr. 2024 1st Edition Sep.2024 5th Edition Measurement Systems Company 2-16-46, Minami-Kamata,Ohta-ku, Tokyo 144-8551, Japan TEL: +81-3-3737-8664 FAX: +81-3-3737-8665 Web: https://www.tokyokeiki.jp/e/ Copyright 2024 by TOKYO KEIKI INC. All rights reserved. (Specifications are subject to change without notice.)

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