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TOA-DKK MBM-102A Operator's Manual
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TOA-DKK MBM-102A Operator's Manual

Electrodeless concentration analyzer/controller
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No. MBM-IB43405E
ANALYZER/CONTROLLER
Please keep this instruction manual close at hand of the persons who are in charge of
the operation of this product.
Before operating this product, please read this instruction manual carefully for its
correct handling.
ELECTRODELESS
CONCENTRATION
MODEL MBM-102A

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Summary of Contents for TOA-DKK MBM-102A

  • Page 1 ELECTRODELESS CONCENTRATION ANALYZER/CONTROLLER MODEL MBM-102A Please keep this instruction manual close at hand of the persons who are in charge of the operation of this product. Before operating this product, please read this instruction manual carefully for its correct handling.
  • Page 2 Introduction Introduction (a) Thank you for your purchase of our product. The Model MBM-102A Electrodeless Concentration Analyzer / Controller (hereafter called the controller or the product) is an indicating controller in a measurement system that measures the electrical conductivity of a solution continuously using the electromagnetic induction method and converts the measured value into concentration value and then displays and outputs its concentration value.
  • Page 3 Model: MBM-102A Introduction • Improper setting of operating conditions or calibration operation. • Electrical interference such as noise in the vicinity or improper grounding. • Other unpredictable phenomena (g) Since important items are described in “Safety Information”, read the contents carefully.
  • Page 4 Model: MBM-102A Safety Information Safety Information (1) Meaning of markings Meaning of symbols such as the ones used in notations of warning in the instruction manual is described below. In addition, the alert symbol ( : General caution symbol) used on a product label, etc.
  • Page 5 Model: MBM-102A Safety Information Disassembly and Modification Do not disassemble or modify the sections of the product that are not described in the instruction manual. The product can be damaged. Warning Label Lost If any warning label affixed to this product becomes too difficult to read or lost, please order a new one through your local sales agent or our sales office and affix it to its original position.
  • Page 6 Model: MBM-102A Product Warranty Product Warranty (a) If a delivered product fails during warranty period, we repair it free of charge. However, if such failure falls under any of the following categories, repair cost shall be borne by the Customer even if failure has occurred within the warranty period.
  • Page 7 Model: MBM-102A Reading Guide Reading Guide Refer to the necessary sections of this instruction manual depending on your purposes such as understanding the outline of this product or starting the product as shown below. The numbers in circles indicate sections to be referred to in sequential order.
  • Page 8 Model: MBM-102A Table of Contents Table of Contents ●Introduction ················································································································1 ●Safety Information ·······························································································3 (1) Meaning of markings ⋅⋅⋅⋅ 3 (2) Safety compliance items ⋅⋅⋅⋅ 3 (3) Notes on use of the instruction manual ⋅⋅⋅⋅ 4 ●Product Warranty ·································································································5 ●Reading Guide ·······································································································6...
  • Page 9 Model: MBM-102A Table of Contents 3.4 Transmission Adjustment Mode Operation···························································38 4. Maintenance ·······································································································39 4.1 Maintenance List ····································································································39 4.2 Washing the Sensor·······························································································40 4.3 Inspection of Temperature Element ······································································41 4.4 Adjustment Using a Solution of Known Concentration ········································43 5. Troubleshooting ·······························································································44 5.1 Error Messages ······································································································44 5.2 Troubleshooting ·····································································································45...
  • Page 10 Model: MBM-102A Table of Contents (3) Adjustment of proper cell constant when shielding exists ⋅⋅⋅⋅ 65 8.3 Wire Connection·····································································································67 (1) Wire connection diagram and terminal board ⋅⋅⋅⋅ 67 (2) Sensor terminals ⋅⋅⋅⋅ 68 (3) Transmission output terminals ⋅⋅⋅⋅ 68 (4) Alarm output terminals ⋅⋅⋅⋅ 69 (5) Power supply input terminals and ground terminal ⋅⋅⋅⋅...
  • Page 11 Model: MBM-102A 1. Control Panel Functions 1. Control Panel Functions (1) Names of main components Fixing bracket Terminal block cover Control panel Upper part: Main display Lower part: Sub display Standby indicator Unit indicator Range indicator Temperature unit Out indicator...
  • Page 12 Model: MBM-102A 1. Control Panel Functions (2) Functions of keys and indicators Functions of Keys Operation mode Name Function (notation in the text) • Pressing this key longer (3 seconds or more) changes the ○ Stand-by key screen to “Standby” screen (the initial screen of the setting mode).
  • Page 13 Model: MBM-102A 1. Control Panel Functions (Continued from previous page) Operation mode Name Function (notation in the text) • If the key assigned to each setting screen group is pressed ○ CAL key after this key is pressed when “Standby” screen is displayed, the initial screen of each group appears.
  • Page 14 Model: MBM-102A 1. Control Panel Functions (Continued from previous page) Display function Function • When this indicator is lit, the unit printed to the right of this indicator is the Unit indicator unit for main display. “%” is the unit for sub display.
  • Page 15 Model: MBM-102A 1. Control Panel Functions (3) Operation screen map [Power Supply On (ON)] [Measurement mode] Measured value screen group (To switch screen: Alarm display screen group (To switch screen: Alarm 1 display screen Concentration measured value Alarm 2 display screen...
  • Page 16 Model: MBM-102A 1. Control Panel Functions Standby screen (To switch screen: Correction screen group “ST-BY” is lit. Concentration correction on/off screen Concentration correction mode screen (SHFT/SPAN) Temperature correction value screen (SHFT/SPAN) Temperature shift on/off screen (SHFT) Temperature shift value screen (SHFT)
  • Page 17 Model: MBM-102A 1. Control Panel Functions (4) Main sensors Sensor is selected according to the ordered specification. The shapes of main sensors are shown below. Screw-in type Flange type Model ME-111 Model ME-121 Sensor with case Model ME-141 ME-1□1 Series Sensors (Reference cell constant: 9.00/cm)
  • Page 18 Model: MBM-102A 2.1 Operation Start Procedure 2. Operation 2.1 Operation Start Procedure Follow the procedure below, and then the controller can be placed in normal operation. ① Check the installation. ⋅⋅⋅⋅⋅⋅ Check that the necessary installation work (mounting and wiring) is completed.
  • Page 19 Model: MBM-102A 2.1 Operation Start Procedure • Normally, the transmission output range is set in accordance with the ordered specification when the product is shipped from the factory. ⑥ Check the 20mA transmission value. ⋅⋅⋅⋅⋅⋅ Press once and check that the value on the main display of “Transmission 20mA value display (20mA)”...
  • Page 20 Model: MBM-102A 2.2 Stopping the Operation • Concentration measured value screen • Concentration / correction value screen • Temperature measured value screen • Concentration / temperature measured value screen • Concentration / conductivity screen The measurement system is now placed in normal operation.
  • Page 21 Model: MBM-102A 3.1 Modes and Switching Method 3. Modes of Operations 3.1 Modes and Switching Method (1) Checking the current mode (a) Screens to check or set various items are separated into the following 3 modes: • Measurement mode ⋅⋅⋅⋅⋅⋅ The screens needed for normal measurement are provided. These screens are used to check (only to watch) items such as an alarm screen and transmission output range screen.
  • Page 22 Model: MBM-102A 3.1 Modes and Switching Method (d) When the mode is switched, the transmission output changes as follows: • Measurement mode ⋅⋅⋅⋅⋅⋅ The concentration value currently measured is output. • Setting mode ⋅⋅⋅⋅⋅⋅ The concentration measured value is output according to the transmission mode set by the “Transmission mode setting in setting mode (S.OUT)”...
  • Page 23 Model: MBM-102A 3.2 Measurement Mode Operation 3.2 Measurement Mode Operation (1) Measurement mode screen groups (a) The screens of measurement mode are separated into the followings groups and pressing the assigned key for each group opens the screens of the group sequentially. Closing the last screen in the group brings you back to the “Concentration measured value”...
  • Page 24 Model: MBM-102A 3.2 Measurement Mode Operation (Continued from previous page) Name Screen example Contents • Main display ⋅⋅⋅⋅ The current ③ Temperature Measured Value Screen temperature measured value (°C). 26.3 • Sub display ⋅⋅⋅⋅ Shift value is displayed when “on” is set to the “Temperature Shift On/Off (SHFT)”...
  • Page 25 Model: MBM-102A 3.2 Measurement Mode Operation Sequence of Alarm Display Screen Group Name Screen example Contents (To switch screen: ① Alarm 1 display screen <When Off is selected> • Sub display ⋅⋅⋅⋅ indicates that Alarm 1 is off. < When Off is selected >...
  • Page 26 Model: MBM-102A 3.2 Measurement Mode Operation Sequence of Transmission Output Range, etc. Display Screen Group Name Screen example Contents (To switch screen: • Main display ⋅⋅⋅⋅ shows the ① Transmission 4mA value display 5.00 screen concentration value (%) corresponding to 4mA value.
  • Page 27 Model: MBM-102A 3.2 Measurement Mode Operation (d) You can change the proper cell constant and temperature slope of this screen group using the screens of the proper cell constant, etc. setting screen group in the setting mode. Sequence of Proper Cell Constant, etc. Display Screen Group...
  • Page 28 Model: MBM-102A 3.2 Measurement Mode Operation XT15 XT25 XT35 XT45 XT55 XT65 XT14 XT24 XT34 XT44 XT54 XT64 XT13 XT23 XT33 XT43 XT53 XT63 XT12 XT22 XT32 XT42 XT52 XT62 XT11 XT21 XT31 XT41 XT51 XT61 Concentration (%) Symbols Indicating the Conductivity of Concentration Conversion Data Sequence of Concentration Conversion Data, etc.
  • Page 29 Model: MBM-102A 3.3 Setting Mode Operation 3.3 Setting Mode Operation (1) Overview of standby screen and setting mode (a) The setting values of setting mode screens are normally set in accordance with the ordered specification and shipped as such from the factory. Do not operate the screens of the setting mode unless it is really necessary.
  • Page 30 Model: MBM-102A 3.3 Setting Mode Operation (c) To perform this operation, it is necessary to prepare in advance a solution of known concentration that is kept constant (within a variance of 0.5°C for 5 minutes) within the temperature range of the concentration conversion data and immerse the sensor in it.
  • Page 31 Model: MBM-102A 3.3 Setting Mode Operation (Continued from previous page) Procedure and Screen Example Contents ⑥ Confirm the concentration compensation value. Change the blinking number on the main display to the ······ (If you select “oFF” in ④, this screen does not concentration after compensation and press appear.)
  • Page 32 Model: MBM-102A 3.3 Setting Mode Operation (Continued from previous page) Procedure and Screen Example Contents ④ Select the temperature shift on/off screen. Press three times. ················ • “Temperature shift on/off (SHFT)” screen appears. • Main display ⋅⋅⋅⋅ The on/off setting of temperature shift On (On) ⋅⋅⋅⋅...
  • Page 33 Model: MBM-102A 3.3 Setting Mode Operation • At the time of power failure or when power supply is turned off (e) If the delay time (DLY.T) is set to other than zero, and when the concentration measured value passes the alarm set-point from the alarm signal “Open” to “closed” state, the contact signal can be delayed to start its alarm output.
  • Page 34 Model: MBM-102A 3.3 Setting Mode Operation (Continued from previous page) Procedure and Screen Example Contents ④ Set the Alarm 1 high/low selection. Select the desired symbol on the main display using ····························· (This screen is not displayed if Off is selected in and then press Step ③.)
  • Page 35 Model: MBM-102A 3.3 Setting Mode Operation (5) Setting the transmission output range and transmission mode (a) The transmission output range and transmission mode can be changed. The factory setting depends on the ordered specification. Normally this operation is not needed.
  • Page 36 Model: MBM-102A 3.3 Setting Mode Operation (Continued from previous page) Procedure and Screen Example Contents ④ Enter the concentration value corresponding Enter the desired concentration value corresponding to ············ to 20mA transmission value. the 20mA transmission value and then press •...
  • Page 37 Model: MBM-102A 3.3 Setting Mode Operation Procedure for Setting the Proper Cell Constant Procedure and Screen Example Contents ① Select “Standby” screen. Press longer in the measurement mode. ················································· • “ST-BY” lights. ② Goes to the proper cell constant, etc. screen...
  • Page 38 Model: MBM-102A 3.3 Setting Mode Operation (Continued from previous page) Procedure and Screen Example Contents ② Go to the proper cell, etc. screen group. Press and then ···················· • “Proper cell constant” screen appears and “ST-BY” 02.62 starts blinking. C.CON Proper Cell Constant Screen ③...
  • Page 39 Model: MBM-102A 3.4 Transmission Adjustment Mode Operation 3.4 Transmission Adjustment Mode Operation (a) Transmission output can be adjusted. This operation can be used when adjustment function is not provided on the receiving device side (such as a recorder). This operation is intended mainly for technical services.
  • Page 40 Model: MBM-102A 4.1 Maintenance List 4. Maintenance 4.1 Maintenance List (a) To operate the product correctly at all times and maintain its specified performance, it is necessary for you to thoroughly understand its function and perform maintenance periodically. 【IMPORTANT】 • Operating the product without performing maintenance periodically can result in a failure.
  • Page 41 Model: MBM-102A 4.2 Washing the Sensor 4.2 Washing the Sensor (a) The electrode section of the sensor is used to measure concentration. If the electrode section gets dirty, correct measurement cannot be made. Remove the dirt especially from the hollow section.
  • Page 42 Model: MBM-102A 4.3 Inspection of Temperature Element (d)Take necessary measures to prevent sample solution from leaking out when you remove the sensor. In the case of a flange type sensor, remove the flange section first instead of thread section. This can prevent liquid leak from the thread section.
  • Page 43 Model: MBM-102A 4.3 Inspection of Temperature Element Terminal board Sensor cable Digital Multi-meter Inspection of Temperature Element ③ Measure the resistance value. ⋅⋅⋅⋅⋅⋅ Measure the resistance value between the lead wires 3 and 4 of the sensor cable using a digital multimeter, etc. and write down its value.
  • Page 44 Model: MBM-102A 4.4 Adjustment Using a Solution of Known Concentration 4.4 Adjustment Using a Solution of Known Concentration The indication of the analyzer can be checked and, if necessary, the indicated value can be adjusted using a solution of known concentration.
  • Page 45 Model: MBM-102A 5.1 Error Messages 5. Troubleshooting 5.1 Error Messages The indicated conditions in the table below are error messages. Take necessary actions. Error Messages and Necessary Actions Display Message name and contents Actions • Remove the abnormal sample [Concentration measured value is off the scale] solution.
  • Page 46 Model: MBM-102A 5.2 Troubleshooting 5.2 Troubleshooting “Indication” here means the indicated values such as the indication of the analyzer, indication of a recorder and indication of a digital multimeter. (1) No indication or indication does not change Power is not applied.
  • Page 47 Model: MBM-102A 5.2 Troubleshooting (2) Concentration value is off the scale The proper cell constant setting does not match the 3.3(6) “Setting the proper cell constant” proper cell constant of the combined sensor. The selected transmission output range is not fit to the 3.3(5) “Setting the transmission output range and...
  • Page 48 Model: MBM-102A 5.2 Troubleshooting (3) Fluctuation of conductivity value Air bubbles and suspended solids are included in Move the sensor to a location where air bubbles and suspended sample solution. solids are not found much. Or remove them. There is a noise source Take noise prevention measures at the noise source.
  • Page 49 Model: MBM-102A 5.2 Troubleshooting (5) Temperature measured value is off the scale Sample solution temperature is above Take necessary measures so that the sample solution temperature stays in the range of 5 to 120 Insulation of the connector section of sensor cable is Dry the connector section thoroughly and connect it properly.
  • Page 50 Model: MBM-102A 5.3 Checking the Analyzer Operation with Equivalent Input 5.3 Checking the Analyzer Operation with Equivalent Input (a) Using an equivalent resistance, the entire measurement system including the sensor can be checked whether it is working correctly or not. If the measured value is improper even if the system is working correctly, it is probable that there is other cause for the problem other than the measurement system.
  • Page 51 Model: MBM-102A 5.3 Checking the Analyzer Operation with Equivalent Input ④ Turn off power and remove the lead wires. ⋅⋅⋅⋅⋅⋅ Turn off the power source that supplies power to the analyzer and remove the wire of the sensor cable connected to the terminal 3 of the terminal board and also remove the wires of another cable connected to the terminals 70 (+) and 71 (−).
  • Page 52 Model: MBM-102A 5.3 Checking the Analyzer Operation with Equivalent Input ⑨ Enter an equivalent resistance value of temperature element. ⋅⋅⋅⋅⋅⋅ Check the “Thermistor resistance value” (with reference temperature) in the inspection record and set that resistance value to the 6-decade resistance box B.
  • Page 53 Model: MBM-102A 5.4 Measures against Noise 5.4 Measures against Noise (1) Error symptom due to noise If a strong noise source exists near this analyzer, the following symptoms may occur. This analyzer has an effective anti-noise characteristic for ±1500Vp-p (peak-to-peak voltage) but if a peripheral device exists that generates strong noise exceeding this level, any of the following symptoms occurs.
  • Page 54 Model: MBM-102A 6.1 Standard Specifications 6. Specifications and Operating Description 6.1 Standard Specifications (1) Controller specifications (a) Basic items Product name : Electrodeless Concentration Analyzer / Controller Model name : MBM-102A Measuring object : Converting the conductivity of a solution to concentration value...
  • Page 55 Model: MBM-102A 6.1 Standard Specifications : (1) Performance guaranteed range······ −10 to 50°C, 0 to 90% RH Allowable ambient temperature and humidity (2) Operation guaranteed range·········· −20 to 60°C, 0 to 90% RH (3) Transportation and storage guaranteed range ······ −30 to 70°C,...
  • Page 56 Model: MBM-102A 6.1 Standard Specifications (d) Structure, etc. Sensor : (Option) ME-1□1 Series (reference cell constant: 9.00/cm) ME-11T Series (reference cell constant: 2.60/cm), etc. Connector box : (Option) Model FC-4 Sensor cable : (Option) sensor cable Model EC-11 (up to 10m is possible when a...
  • Page 57 Model: MBM-102A 6.1 Standard Specifications (b) Model ME-11T sensor specifications Product name and model : Electrodeless concentration sensor Model ME-11T-1-0 (when used name independently as a detector) Measurement object : Electric concentration of general water, acid, alkali, salt solution, etc.
  • Page 58 Model: MBM-102A 6.2 Principle of Operation (e) Model ME-63 sensor (Model ME-63EGH) specifications Reference cell constant : 2.60/cm (slanted-hole type) Liquid contacting material : PVC, glass Temperature element : External thermistor Condition of sample solution : Temperature: 0 to 60°C...
  • Page 59 Model: MBM-102A 6.2 Principle of Operation flows in C . Therefore, this voltage conforms to the concentration of the solution and by measuring the voltage e, the concentration of the sample solution can be obtained. Excitation coil Sensing coil Principle of Sensor...
  • Page 60 Model: MBM-102A 7. RS-232C Connector (Option) 7. RS-232C Connector (Option) (1) RS-232C connector function (a) When the transmitter is provided with an optional RS-232C connector, the following can be made by connecting a communication cable (cross cable) between this connector and a personal computer (PC).
  • Page 61 Model: MBM-102A 7. RS-232C Connector (Option) Connector Connector (D-sub 9-pin, female) (D-sub 9-pin) Converter side (female) PC side Communication Cable (Cross Cable) Outline RD (RXD) RD (RXD) SD (TXD) SD (TXD) ER (DTR) ER (DTR) DR (DSR) DR (DSR) RS (RTS)
  • Page 62 Model: MBM-102A 7. RS-232C Connector (Option) 【IMPORTANT】 • If the communication cable (cross cable) is installed together with the power cable or alarm output cable, a communication error may occur caused by noise. (c) Make sure to ground the ground terminal. This is one of the measures to prevent noise.
  • Page 63 Model: MBM-102A 8.1 Analyzer Mounting 8. Installation 8.1 Analyzer Mounting (1) Controller installation location Install the analyzer in a location which conforms to the specifications and satisfies the following conditions. (a) A location where the lead wires of the sensor, etc. can reach.
  • Page 64 Model: MBM-102A 8.2 Sensor Mounting + 0.8 90 5.5 < Panel Cut-out > Unit: mm Dimensions and Panel Cut-out Drawing (b) If the controller is installed at a position 1.3 to 1.5m from the floor, maintenance work and operation can be easily performed.
  • Page 65 Model: MBM-102A 8.2 Sensor Mounting Stop valve Sensor Bypass valve Stop valve Installation to a Pipeline (j) Even if the liquid level varies, the sensor must always be immersed in sample solution. Minimum liquid level Sensing element Tip End of Sensor and Minimum Liquid Level (k) If a noise current flows through the sample solution or piping, an error may occur.
  • Page 66 Model: MBM-102A 8.2 Sensor Mounting (b) For the type of sensor, screw-in type, flange type and a sensor with a case are provided and liquid contacting materials differ. Mount the sensor referring to the delivery specification, etc. Sensor cable Sensor cable...
  • Page 67 Model: MBM-102A 8.2 Sensor Mounting constant described on the sensor is the one adjusted in the combined condition and thus it is not necessary to adjust the setting value again. Influence on the Influence on the measured value cell constant...
  • Page 68 Model: MBM-102A 8.3 Wire Connection 8.3 Wire Connection (1) Wire connection diagram and terminal board Electric Shock Do not touch the terminals in the analyzer while power is applied. Touching the terminals may cause electric shock. Sensor cable Alarm 1 output cable...
  • Page 69 Model: MBM-102A 8.3 Wire Connection Alarm 1 output terminals Sensor terminals Alarm 2 output terminals Transmission output terminals Ground terminal Power supply terminals (Terminal size: M3) Terminal Board (c) If you want to use RS-232C connector (option), refer to the explanation sections.
  • Page 70 Model: MBM-102A 8.3 Wire Connection (4) Alarm output terminals (a) Provide a contact protecting spark killer and a pulse voltage eliminating spark killer near the solenoid valve. Analyzer inside Analyzer outside Contact protection spark killer Pulse voltage eliminating spark killer...
  • Page 71 Model: MBM-102A 8.3 Wire Connection Electric Shock The ground terminal must be grounded. If the terminal is not grounded and a problem occurs in the power supply system, electric shock may result. Revision History Instruction Manual No. 30/09/2007/ (NC) New Version in English...
  • Page 72 Head Office Address: 29-10, 1-Chome, Takadanobaba, Shinjuku-Ku, Tokyo, 169-8648 Japan Telephone: +81-3-3202-0225 Facsimile: +81-3-3202-5685 URL http://www.toadkk.co.jp/...