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YOKOGAWA FLXA402T, User Manual

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YOKOGAWA FLXA402T User Manual Download Page 11

 

 

<1. Operation>

1-4

IM 12A01G01-03EN

1st Edition :Mar. 25, 2021-00

1.2 

Date/Time setting

Singapore Time (SGT) is set to factory default in FLXA402T. We recommend setting or changing 

date and time to local time to use logbooks or trend graph.
Go to Home/Main screen >   “Menu” > Converter menu >   “Others” > Date/Time setting

Figure 1.3 

Date/Time setting

Select a Date/Time display format: three types of format are available. Default is YYYY/MM/DD. 

See 4.6.3 

Other setting

Summary of Contents for FLXA402T

Page 1: ...User s Manual FLXA402T Liquid Analyzer for Turbidity and Chlorine Operation of Converter IM 12A01G01 03EN IM 12A01G01 03EN 1st Edition ...

Page 2: ...bidity and Chlorine Installation and Wiring IM 12A01G01 02EN Online manual FLXA402T Liquid Analyzer for Turbidity and Chlorine Operation of Converter IM 12A01G01 03EN Online manual This manual FLXA402T Liquid Analyzer for Turbidity and Chlorine Operation of pH IM 12A01G02 01EN Online manual FLXA402T Liquid Analyzer for Turbidity and Chlorine Operation of SC IM 12A01G03 01EN Online manual EN in the...

Page 3: ...al are display examples n Composition of this User s Manual FLXA402T Liquid Analyzer for Turbidity and and Chlorine provides converter function to realize the following measurement according to user s specification FC Free chlorine analyzer RC Residual chlorine analyzer TB Right Angle Scattered Light Turbidity Analyzer pH Resistivity Conductivity SC This manual describes the outline detail configu...

Page 4: ...the names of its contributors may be used to endorse or promote products derived from this font without specific prior written permission THIS FONT IS PROVIDED BY THE TEAM AND CONTRIBUTORS AS IS AND ANY EXPRESS OR IMPLIED WARRANTIES INCLUDING BUT NOT LIMITED TO THE IMPLIED WARRANTIES OF MERCHANTABILITYAND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED IN NO EVENT SHALL THE TEAM OR CONTRIBUTORS BE...

Page 5: ...rtising or publicity pertaining to distribution of the software without specific written prior permission Adobe Systems and Digital Equipment Corporation make no representations about the suitability of this software for any purpose It is provided as is without express or implied warranty l Ayu 20dots Gothic Version 1 7 Mar 5 2004 Ayu 20dots Gothic Version 1 7 Mar 5 2004 This font is designed for ...

Page 6: ...7 3 4 1 Converter setting 3 7 3 4 2 Lang Language 3 8 3 4 3 Initialization 3 8 3 5 Hold operation manual Hold 3 9 4 Converter settings 4 1 4 1 mA input settings Ad 4 6 4 1 1 Type 4 6 4 1 2 Damping time 4 6 4 1 3 AI Upper Limit AI Lower Limit 4 6 4 1 4 Temperature 4 mA 20 mA 4 6 4 1 5 pH 4 mA 20 mA 4 6 4 1 6 Conductivity 4 mA 20 mA 4 6 4 2 Contact input settings 4 7 4 2 1 Contact input Type 4 7 4 2...

Page 7: ...ation settings 4 20 4 8 Error settings 4 20 4 9 Logbook settings 4 23 5 Others Converter 5 1 5 1 Save Load 5 2 5 1 1 Load individual configuration File 5 6 5 1 2 Load configuration 5 7 5 1 3 Save configuration 5 8 5 1 4 Delete indiv config File 5 9 5 1 5 Delete configuration 5 10 5 1 6 Export all configuration 5 10 5 1 7 Import configuration 5 11 5 1 8 Export all logbook 5 12 5 1 9 Update software...

Page 8: ...is powered on If any incompatible sensor is connected an alarm appears to indicate inappropriate setting or measurement error To review and modify initial setup see chapter 4 NOTE For several seconds after power is on 4 mA is output This does not imply the device has fault NOTE In the beginning of the measurement you might see the measurement displayed This happens because the sensor is preparing ...

Page 9: ...ion on setting parameters or others go to Chapter 4 and Chapter 5 We recommend that you follow the next order to be ready for measurement 1 Select Language if necessary Section 1 1 2 Setting Date Time if necessary Section 1 2 Factory default at delivery is set on Singapore Standard Time If you use the converter in other country set it to the local time 3 Setting converter Chapter 4 4 Setting passw...

Page 10: ...atter what language you choose l How to select language 1 On Home Main screen tap to go to Converter menu 2 Tap Setting 3 Tap Lang to go to Language screen 4 On the Language screen tap the box A drop down list appears 5 Out of the drop down list select your preferred language 6 The selected language enters the box Tap to save 7 A dialog box pops up to ask you if you admit the trend data will be cl...

Page 11: ...efault in FLXA402T We recommend setting or changing date and time to local time to use logbooks or trend graph Go to Home Main screen Menu Converter menu Others Date Time setting Figure 1 3 Date Time setting Select a Date Time display format three types of format are available Default is YYYY MM DD See 4 6 3 Other setting ...

Page 12: ...mers cannot create password for service mode It is for professional service use only l How to create password 1 On Home Main screen tap MENU on top to go to Converter menu 2 Select Others 3 Select Password 4 On Password screen tap Commissioning 5 A keyboard pops up where you can create a password by using up to 12 characters The example below shows FLXA402 as the password 6 The password you have e...

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Page 14: ...ection 2 1 Figure 2 1 Sample image of Home screen l Main screen Main screen displays a process status of one sensor connection on a single page See section 2 2 Figure 2 2 Sample image of Main screen l Monitor screen Monitor screen zooms in a process status of one sensor connection showing one item of measurement value See section 2 3 Figure 2 3 Sample image of Monitor screen ...

Page 15: ...phic displays of multiple output status See 3 1 See each corresponding manual for information on sensor detail screen Figure 2 4 Sample image of Detail l Trend Trend displays a trend chart that shows the progress of some value over a certain period of time Figure 2 5 Sample image of Trend ...

Page 16: ...on for 10 minutes default or 60 minutes the screen automatically returns to Monitor screen or Home Main screen when Monitor Display is Off This auto return does not work in the following cases in the middle of Trend Calibration or parameter setting When Backlight auto off is set and there is no touch operation for a programmed period of time default is Disable Backlight will turn off automatically...

Page 17: ...tool with a hard tip etc to avoid scratches on the touch screen Navigate icons Returns to Home screen Displays Converter Menu screen Displays Sensor Menu screen Returns to a previous screen Moves the cursor for selecting the menu item Tap the icon to move the cursor up down Some pages may continue Switches screen Fix overwrite parameters the selected menu item or setting value ...

Page 18: ...t item unit 1st line C sensor connection number1 D Display name user programmable 1 Converter menu to Converter menu 2 Calibration to calibration 1 If a converter is assigned instead of sensor is displayed see 4 5 1 When an error occurs the screen flashes When you set the flashing funtion off for error occurrence the screen will not flash If there is no touch operation for a certain fixed period a...

Page 19: ...n of 1st item 1st line and temperature value goes to the one for 2nd item 2nd line E F 3 A C D G 2 5 1 B 4 6 H 8 7 Figure 2 6 Sample image of Main screen A 1st item measurement value 1st line B 1st item unit 1st line C Sensor connection number 1 D Display name user programmable E Additional text information of 1st item Additional text 1 F 2nd item measurement value 2nd line G Status on display onl...

Page 20: ...e screen flashes When you set the flashing funcion off for error occurrenece the screen will not flash If there is no touch operation for a certain fixed period of time auto return default is 10 minutes the screen returns to Main screen automatically if Monitor Display setting is Off ...

Page 21: ...fined as Auto Return default 10 min Auto Return works and the screen returns to Monitor screen automatically The Main screen shows up automatically in the following cases Alarm state Hold state Auto Wash Calibration status including recovery C D A B Sample image of Monitor screen A 1st item Measurement value B 1st item unit C Sensor connection number 1r D Display name user programmable 1 When FLXA...

Page 22: ... the icon to see itemized error information If you press the itemized details you will see cause and remedy When Burn is set Burn Low or Burn High Fault automatically performs Burn Warning The symbol indicates condition that maintenance is required Touch the icon to know each error information If you touch the itemized error status you will see cause and remedy For information on the alarm icons s...

Page 23: ... number 2 D Title 1 Home to Home screen 2 Display switch 3 3 Return back to a previous page 4 Scroll up down 1 are symbols appearing from left to right according to the importance of an error 2 If a converter is assigned is displayed 3 Page switches in order from screen of Converter to sensors 1 1 through 2 4 Errors of sensors which are not connected would not be displayed To know error settings s...

Page 24: ...ure 3 2 Sample images on Detail Detail Converter provides graphic display of various output status Tap to jump to product information or logbook On Home or Main screen tapping Menu leads you to the converter menu Tapping Detail leads you to device information including Analog input Analog output Contact input Contact output serial number Model code Revision and others If you need to contact our su...

Page 25: ...menu 3 2 IM 12A01G01 03EN 1st Edition Mar 25 2021 00 1 2 Figure 3 3 Flow chart example Converter menu Detail 1 Displayed only when relay module is in use 2 There are pages as many as the number of connected sensors ...

Page 26: ...t Contact outputs the contact output is not displayed n Input value Shows analog input mA For mA input go to Converter menu Setting Converter settings mA input settings Ad For further information see 4 1 mA input settings Ad When mA input output is A2 AI is displayed in gray Contact input status is defined NC Normal Close NO Normal Open For Contact input setting go to Converter menu Setting Conver...

Page 27: ...as HMI capacity of display up to 50 reports on sensor connection 1 1 2 1 2 2 for each Switch the screen with Logbook filtering is available For filtering log records go to Converter menu Setting Converter settings Logbook settings System For further information see 4 9 Logbook settings NOTE It takes at most 5 seconds to store Logbook data During this 5 seconds if you repeat modifying parameters vi...

Page 28: ...Main screen Converter menu Trend Trend shows graphical mode in which the average measured value is shown on a time scale The live value is also digitally displayed in a text box To set the time scale X axis and the measurement value scale Y axis go to Converter menu Setting Converter settings Trend See 4 5 3 The screen displays the trend of up to 40 averages of the measurement for each time interv...

Page 29: ... a drop down list To see switch scale max mid min display tap on Trend area See Figure 3 5 For Trend chart setting go to Converter settings Display settings Trend See 4 5 2 Trend 3 3 Other menu Home Main screen Converter menu Others Other menu contains Save Load to save load data to from other devices Search Modbus to search sensor connection address Bluetooth paring password setting and others Fo...

Page 30: ...calibration settings read the user s manual of each connected sensors Figure 3 8 Converter settings Select parameter to change The parameter is highlighted To execute the change tap Figure 3 9 Converter settings before setting left complete setting right You can create password to protect each parameter See 5 4 Password We recommend that you write down these parameters on User Settings Table we pr...

Page 31: ...ave configuration To connect a sensor to FLXA402T and display the measurement or mA output you need to set up a communication network with sensors or assign each sensor module address to HMI l How to reset parameters 1 On Home Main screen tap to go to Converter menu 2 Press Setting 3 Press Initialization 4 On Load factory defaults find the sensor module type in use and select Connection number is ...

Page 32: ... A B Figure 3 10 Manual Hold A appears during Hold of each mA output Tap again to release the function B appears in the B area which is not yet Hold Tap to manually HOLD the value appears into the A l During Hold is displayed on Main screen of the sensor you selected in Process parameter slot See 4 3 1 Figure 3 11 Hold on Main screen If you Tap again a message pops up asking whether to release the...

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Page 34: ... other contacts keep the status when the maintenance status begins This stays on for 3 seconds after you exit the converter setting screen Sec 4 1 Sec 4 2 Sec 4 3 Sec 4 4 Sec 4 5 Sec 4 6 Sec 4 7 Sec 4 8 Sec 4 9 Figure 4 1 Converter settings sample image Refer to corresponding sections and understand the parameter to change a parameter If you set wrong parameter set it back to the previous value or...

Page 35: ...es you to upper layer but the parameter that you changed stays blue which helps you to find the edited parameter with ease To save the configuration tap When parameters are successfully edited the background color turns back and switches back to If you try to exit the screen without overwriting the edited data you will see a warning Out of the list below select an appropriate function and execute ...

Page 36: ...up the converter you will see default parameters on screen Set parameters according to the combination or application you need See Table 4 3 Find default value or setting range in User setting table We recommend that you download User setting table and fill in the user setting value after you change parameters without any error You can save all configuration at a time by going to Others menu Save ...

Page 37: ...ntact input2 Ad m A o u t p u t settings 4 3 mA1 mA1 mA1 output 4 3 1 Process parameter slot Process parameter Output line form Range1 0 Range1 100 Range 1 changeover Range1 changeover point value Burn Damping time mA1 Range Setting Range select setting Manual range select Range2 0 Range2 100 Range3 0 Range3 100 Changeover point of auto range mA1 simulate 4 3 2 Simulation mA1 Configure Hold 4 3 3 ...

Page 38: ...eturn Backlight saver MONITOR Display Alarm notification screen flash Backlight flash Backlight flash Backlight flash behavior Meas value during auto wash cal SV displayed setting 4 5 4 Advanced settings 4 6 MODBUS setting 4 6 1 Sensor Address setting S RS 485 RS Bluetooth setting B Ethernet setting E 4 6 2 Other setting 4 6 3 Auto wash cal settings 4 7 Error settings 4 8 Logbook settings 4 9 NOTE...

Page 39: ...0 S m 1 S m Conductivity 20 mA 0 05 S m 0 S m 1 S m 1 Configurable lower limit 2 Configurable upper limit 4 1 1 Type Select mA input application out of None Current Temperature pH Conductivity 4 1 2 Damping time This is the time taken for a response to a step input change to reach 90 of the final value attenuation time The unit is second 4 1 3 AI Upper Limit AI Lower Limit Set AI upper lower limit...

Page 40: ...f Auto wash or Auto calibration is not setup properly an error of contact input setting occurs 4 2 3 mA output change range Contact input settings mA output change range The contact output for mA output Range2 select turns ON mA output corresponding to the contact output switches to the range 2 When the contact for mA output Range3 select turns ON mA1 output range switches to 3 When you select 2 s...

Page 41: ...e process parameter select Converter But you cannot set the converter parameter to mA1 Sensors must be assigned addresses for MODBUS network in advance Read 4 6 1 l Process parameter Set process parameter to output according to sensors If the setting is not configured properly a setting error occurs Select parameter as follows forTB Turbidity for FC Residual chlorine temperature for PH pH temperat...

Page 42: ...igher range the range switches at the changeover point When switching from the higher range to the lower range the range switches at 10 point of the changeover point When auto range is used the value of 0 is always recognized as 0 4 3 2 Simulate When this function is selected an output of the instrument will be a fixed current value which is set in of the output span The output span range is 11 25...

Page 43: ...en Auto hold is disabled but its condition is satisfied MAINT is displayed on HMI not HOLD During automatic manual hold contact output of other than Wash Calibration Range contact holds the status on which the hold started NOTE When a measurement is not capable is displayed When the error occurs on MODBUS communication NaN is displayed When error setting is other than F or at Burn setting mA outpu...

Page 44: ...ess of the function configuration The following table shows contact status when the power is On Off Contact AC DC Power On Normal operation AC DC Power On Abnormal operation AC DC power Off S1 S2 S3 NC C NO NC C NO NC C NO S4 NC C NO NC C NO NC C NO 4 4 1 Alarm Alarm monitors High Low limit and on off control You can configure process parameters Set point direction Hysteresis Delay time l Process ...

Page 45: ...es beyond the Setpoint in Direction Setpoint Hys SC off on off Delay time Delay time t sec Figure 4 5 Alarm contact operation image 4 4 2 Maintenance When mA output is held or the condition of auto hold is satisfied contact outputs are activated S1 S2 S3 close Select from mA1 mA2 mA3 mA4 to assign mA output to Maintenance contact 4 4 3 Wash Contact output can activate FC800D wash but only with S3 ...

Page 46: ...S1 is On it is recognized as range 1 If S2 is On it is recognized as range 2 mA1 range S1 mA Range1 S2 mA Range2 range 1 On Off range 2 Off On Likewise if mA1 is set to auto 3 range there are another two ways or three ways to know the range status Example When two contacts are used for auto 3 range assign mA Range2 to S1 mA Range3 to S2 mA1 range S1 mA Range2 S2 mA Range3 range 1 Off Off range 2 O...

Page 47: ...lose S4 open Off S1 S2 S3 open S4 close You can see the simulated contact settings on the measuring mode If you move from device configuration screen to main screen Hold will be cancelled and will be simulated If contact output is simulated an error Check Function occurs Apart from Simulate settings MODBUS can simulate contact output without changing the actual configuration The simulated output h...

Page 48: ...ou place Sensor 1 1 on Display 1 and Display 2 you can monitor two different item of Sensor 1 1 on a single page e g both process value and temperature of Sensor 1 1 You need to assign MODBUS address to the sensors in advance Read 4 6 1 MODBUS setting l 1st 2nd line On Main screen you can set parameters to display as 1st 2nd line items Parameters you can select to display are as follows TB Turbidi...

Page 49: ... when the number of digits of the integer is 2 digits You cannot specify the digits for temperature pH or conductivity 4 5 2 Trend On Trend screen determine the sensors and process parameters you want to display for each trend 1st to 8th trend can be set l X axis Timing Select the settable scale from the list l Low High Set Y axis primary value scale i e Maximum or Minimum value for each trend scr...

Page 50: ... the backlight will be off Select backlight saver Disable 10 min 30 min 60 min When backlight is off once you touch the screen the backlight will be turned on Backlight will not go off automatically in the following cases An error is being occurred While Backlight flash is being activated l MONITOR Display Set automatic screen shifting to Monitor screen Select Off On Factory default is On Monitor ...

Page 51: ...on t need to setup this parameter To establish communication between the converter and Sensors register MODBUS address 1 to 247 of Sensors on the converter 248 is for unused connection Use Search MODBUS if Sensors sensor address is not found See Chapter 5 NOTE When you use analog sensor module register MODBUS address 1 to sensor connection number If a communication error with the sensor is detecte...

Page 52: ...etween the converter and master devices Interface Ethernet Maximum session times 2 Protocol Modbus TCP Port number 502 Ethernet 10 100 Mbps speed rate Internet Protocol version 4 IPv4 Set DHCP enable to On if you want DHCP server to assign IP address automatically Set it Off Off is default if you use a static IP address When you use a static IP address set Subnet mask and Default gateway according...

Page 53: ...hes on until the errors are corrected or you turn off the alarm flashing function You can select and configure diagnostic notification of error status according to NE107 Failure Out of specification Function check Maintenance required or Off The icons defined in NAMUR NE107 one of lights on upon detection of each alarm on Main screen or Home screen Status Initial Description Alarm NE107 Burn out O...

Page 54: ... Impedance ref too low M SSA temp outside spec S Sensor status Sensor not detect F Temp element not detect F ID chip failure F LE not detect F Calibration Due N imp1 glassbreak detect F imp2 glassbreak detect F SC Device status Sensor communication error F Measure alarm Temperature too high S Temperature too low S Conductivity too high S Conductivity too low S Temp comp1 warning S Polarization det...

Page 55: ...anger NOTE The Impedance pH ORP too high too low and Impedance ref too high too low alarms are displayed in the Error setting In general for a pH sensor Impedance pH ORP is of glass elewakctrode Impedance ref is of the reference electrode The Impedance pH ORP too high too low and Impedance ref too high too low errors apply to sensors with liquid earth Sensors with liquid earth include PH8EFP PH8ER...

Page 56: ...tup is changed Relay function setup Contact output function setup is changed Relay fail setup Contact output error setup is changed Relay simulate setup Contact output simulate setup is changed Sensor Error on Sensor error occurs Error off Sensor error is cancelled Compensation setup Compensation setup is chaged Calibration setup Calibration setup is changed Impedance setup Impedance setup is chan...

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Page 58: ...Mar 25 2021 00 5 Others Converter Home Main Menu Converter menu Others You will save load configuration parameter files search Sensor address conduct Bluetooth pairing set password Sec 5 1 Sec 5 2 Sec 5 3 Sec 5 4 Sec 5 5 Sec 5 6 Sec 5 7 Figure 5 1 Others ...

Page 59: ...to export logbook to update software of FLXA402T NOTE SD card should be supplied if necessary l Recommended spec 128 MB or greater SD or SDHC Recommendation Industrial grade SD card with power failure recovery function Yokogawa part No A1005NL 2 GB Note You can use SD card under the operating condition of FLXA402T including operating temperature or humidity but this condition does not guarantee th...

Page 60: ...onfiguration from external SD cards Table 5 1 Function overview Menu item Description Section Load individ config File Load individual configuration file for FLXA402T and sensors as current configuration data 5 1 1 Load configuration Load all sets of configuration including sensors connected to the converter as current configuration data 5 1 2 Save configuration Save all sets of current configurat...

Page 61: ... configuration a set of configuration data is stored The set of configuration data contains one Set configuration file one Converter Configuration file and as many Sensor configuration file as connected sensors but up to 5 sensors You will Save Load Import Export configuration data by the set of files You can also delete or load files by individual file Save Load Import Export configuration data s...

Page 62: ...g order Descending order Switch to sort in alphabetically ascending order while sorting chronologically reverse chronologically C Tap this to sort in chronological reverse chronological order Chronological an oldest one comes on top newer at the bottom Reverse chronological a newest one comes on top older at the bottom Switch to sort in chronological reversed chronological order while sorting alph...

Page 63: ...ee the file name you selected left below You cannot modify the file names On a dialog for loading sensor configuration file right below open the drop down list next to Target sensor to select one sensor connection The drop down list shows blank if there is no valid sensor connection to load Execute key does not work either Figure 5 6 sample for converter Sample for pH Confirm the file you selected...

Page 64: ...ile you select When the loading is completed successfully FLXA402T returns to Home screen NOTE If different sensor is connected for data loading from the one used for data saving you cannot load the data An alarm dialog appears because FLXA402T does not identify the sensor Example Configuration set information was saved in FLXA402T when both sensor connection of 2 1 and 2 2 were connected If you t...

Page 65: ...en you select New name the set name on the dialog box is blank and Execute key is not valid If you enter more than one character on the box Execute key becomes valid Tapping Execute saves the configuration set data with the set name you choose If you enter a new set name but which already exists a confirmation message for overwriting the data pops up Select overwrite or cancel saving If you select...

Page 66: ...et files Go to Save Load Delete indiv config file Select an item which has files to delete below Figure 5 9 File select screen A list opens below Select a file to delete Figure 5 10 File select to delete screen A dialog box appears which shows the file name you want to delete Tap Execute to delete the file NOTE When you delete an individual file which was in a set file the information of the delet...

Page 67: ...xporting dialog box appears showing in the cell of Foldername a Folder you selected When you select New name the Folder name on the dialog box is blank and Execute key is not valid If you enter more than one character in the Folder name Execute key becomes enabled Tapping Execute starts exporting data to the folder below the Foldername If you have not yet made a folder below the Foldername a new f...

Page 68: ...3 Import configuration Tap one of the folders to import You will see a list of address folders and set of configurations Select a setname to import in the list then a dialog box appears You cannot modify the set names After verifying the set name you select tap Execute then the import starts If you enter a new Folder name but which already exists a confirmation message for overwriting the data pop...

Page 69: ...o SD card Do not pull out the SD card or power down while exporting You will export the data to LogFolder You cannot modify the address If you find LogFolder in the directory of SD card you will export the data to the LogFolder If not you will create a folder automatically If you enter a new file name but which already exists a confirmation message for overwriting the data pops up Select overwrite...

Page 70: ...ile provided by Yokogawa in a folder of your choice located on your SD card Insert the SD card into the memory card slot of FLXA402T Go to Save Load Update software You will see a list of files for software update in the folder Figure 5 15 Software update Folder name has at the end Select to move to upper folder Go to the folder where you placed the update file and select the file A dialog box for...

Page 71: ...Modbus address by each sensor module NOTE When multiple sensor connection is used use the sensor with each different MODBUS address 1 to 247 When two or more sensors with the same MODBUS are connected the network does not work properly If 248 Disabled is specified in the MODBUS addressing setup this function is aborted NOTE For analog sensor module this function is not available 5 3 Bluetooth pair...

Page 72: ...sword with up to 12 characters CAUTION Keep passwords safe After you create a password you will be prompted to enter the password for each designated operation such as setting or calibration If the password is not verified Wrong password appears on the screen If you enter correct password you will see Enter operator ID Logbook database is created by saving Operator ID to identify those who entered...

Page 73: ...rate When you are on Main Home Monitor screen you can move to Adjust panel from MODBUS l How to adjust the Touch panel 1 When you see Please touch the point touch 2 Touch and hold until you see Please release from the point 3 Once you release the point moves to 2nd place Touch and hold until you see Please release from the point Release the point Repeat 2 and 3 until moves to 4th place 4 After com...

Page 74: ...wing levels The default is 50 Brightness is measured on a scale from 10 to 100 the higher the number the brighter the screen 10 20 30 40 50 60 70 80 90 100 5 7 Service mode Customers cannot use this mode CAUTION Service mode is protected by password and allowed to be used only by Yokogawa engineers Any act including attempting to breaking into the system or data modification may affect the perform...

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Page 76: ...quired Contact Yokogawa service l Battery The FLXA402T has a logbook feature that uses a clock to provide the timings The instrument contains a lithium cell battery to continue the clock function while the power is turned off Although the cell has an expected working life of 10 years this is not guaranteed When this cell needs replacing contact Yokogawa service n Periodic maintenance of sensors Fo...

Page 77: ...rm setting See 4 8 Error settings Alarms are displayed according to the error status described here There may be some other alarms which are not to be configured in Error settings For details of alarms see 4 8 Error settings For the alarm list see MODBUS Technical Information TI 12A01G01 62EN 6 2 2 Fuse FLXA402T is protected by fuse which provides overcurrent protection of inner circuit When you r...

Page 78: ...2A01G01 03EN 1st Edition Mar 25 2021 00 Revision Record Manual Title FLXA402T Liquid Analyzer for Turbidity and Chlorine Operation of Converter Manual No IM 12A01G01 03EN Mar 2021 1st Edition Newly published ...

Page 79: ...Blank Page Yokogawa Electric Corporation 2 9 32 Nakacho Musashino shi Tokyo 180 8750 JAPAN http www yokogawa com ...

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