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1. Function Options Info gt ORP Meas value Specify your limit values for monitoring the measured value Upper alarm limit Factory setting Diagnostics code and associated message text 1000 mV 842 Process value Upper warning limit Factory setting Diagnostics code and associated message text 900 mV 942 Process value Lower warning limit Factory setting Diagnostics code and associated message text 900 mV 943 Process value Lower alarm limit Factory setting Diagnostics code and associated message text 1000 mV 843 Process value 14 Endress Hauser Liquiline CM442 Inputs pH ORP 3 6 6 Process check system The process check system PCS checks the measuring signal for stagnation An alarm is triggered if the measuring signal does not change over a certain period several measured values 20013107 20013106 Fig 7 Normal measuring signal no alarm Fig 8 Stagnating signal alarm is triggered y Measuring signal to Set value for Duration Yr Set value for Tolerancewidth la Time when the alarm is triggered The main causes of stagnating measured values are Contaminated sensor or sensor in air Sensor failure m Process error e g through control system Remedial action 1 Clean the sensor 2 Check the measuring chain 3 Switch off the controller and switch it back on again Path Menu Setup Inputs Diag settings F
2. 5 7 8 Calibrations cap only sterilizable amperometric sensors E The calibration counters in the sensor make a distinction between sensor calibrations and calibrations with the membrane cap currently used If this cap is replaced only the cap counter is reset Path Menu Setup Inputs Diag settings Function Options Info gt Cap calibrations Function Options On Off Factory setting On Specify how many calibrations may be performed with a membrane cap before the cap has to be replaced The number depends heavily on the process and must be determined individually Warning limit Factory setting 6 Diagnostics code and associated message text 529 Sensor calib Endress Hauser Liquiline CM442 Inputs Oxygen 5 7 9 Sterilizations cap only amperometric sensors The sterilization counters in the sensor make a distinction between the sensor and the membrane cap currently used If this cap is replaced only the cap counter is reset Path Menu Setup Inputs Diag settings Function Options Info gt Cap sterilisations Specify how many sterilizations may be performed with a membrane cap before the cap has to be Function Options replaced On The number depends heavily on the process and Of must be determined individually Factory setting On Warning limit Factory setting Diagnostics code and associated message text 6 109 Sensor check
3. yA 1 K 1 K 100 Ko Po e X lt W 0 100 Endress Hauser 81 Additional functions Liquiline CM442 Path Menu Setup Additional functions Controller 1 or Controller 2 Controller type PID Reverse Factory setting Reverse A 1 sided controller has a unipolar manipulated variable i e it can controller should increase the process value set Reverse as the ef when the process value is too small range A process value e g the temperature is too high range B y 1 K 1 K 100 0 100 Function Options Info Effective direction Options In what direction should the controller influence m Direct the measured value m The measured value should increase as a result of dosing e g heating gt Reverse m The measured value should decrease as a result of dosing e g cooling gt Direct only influence the process in one direction If the With the Direct effective direction the controller acts as a downwards controller It becomes active when the The red curve shows overlap between the curves of the two 1 sided controllers ective direction The controller then becomes active gt Controlled variable Source of data Options Specify the input or output which should be the Connected sensors source of data for the controlled variable Factory setting None Measured value Options Specify the measured value that should be
4. 5 7 10 Diagnostic behavior This branch along with the same functions can be found in various parts of the menu The list of diagnostic messages displayed depends on the path selected There are device specific messages and messages that depend on what sensor is connected Paths Menu Setup General settings Diagnostics or Menu Setup Inputs Diag settings Diag behavior Function Options Info List of diagnostic messages Select the message to be changed Diagnostic message Options You can deactivate or reactivate a diagnostic On message here ot Deactivating means Factory setting No error message in the measuring mode Depends on the message No error current at the current output Error class Options The messages are divided into different error classes m Maintenance M in accordance with NAMUR NE 107 Out of specification S gt BA445C Maintenance amp diagnostics Function check C Failure F Factory setting Depends on the message Error current Options Decide whether an error current should be output On at the current output if the diagnostic message Off display is activated Factory setting Depends on the message Endress Hauser 47 Inputs Oxygen 48 Paths Menu Setup General settings Diagnostics or Menu Setup Inputs Diag settings Diag behavior Liquiline CM442 Function Options Info Diag output Options You can use this function to select an output to
5. Function Options Info gt Zero point 0 0 to 10 0 nA Specify the limit values for zero point monitoring in your sensor Warning limit Factory setting Diagnostics code and associated message text 3 0 nA 513 Zero Warn Alarm limit Factory setting Diagnostics code and associated message text 4 0 nA 512 Sensor calib Endress Hauser 41 Inputs Oxygen Liquiline CM442 42 5 7 3 Process check system The process check system PCS checks the measuring signal for stagnation An alarm is riggered if the measuring signal does not change over a certain period several measured values YA YA 20013107 20013106 Fig 12 Normal measuring signal no alarm Fig 13 Stagnating signal alarm is triggered y Measuring signal to Set value for Duration Yr Set value for Tolerancewidth ty Time when the alarm is triggered The main causes of stagnating measured values are Contaminated sensor or sensor in air Sensor failure m Process error e g through control system Remedial action 1 Clean the sensor 2 Check the measuring chain 3 Switch off the controller and switch it back on again Path Menu Setup Inputs Diag settings Function Options Info gt Process Check System Diagnostics code and associated message text 904 Process check Function Options On Off Factory setting On Duration 1 to 240 min The measured value must change during this time F
6. Temp comp mode Options Conductivity Operating mode Conductivity Conductivity You specify the temperature conductivity and Coeff Alpha uncompensated conductivity Recommended for Factory setting large measuring ranges and small measured values Conductivi Corff Alpha y As the value pairs you specify an alpha value and the related temperature Endress Hauser 27 Inputs Conductivity 28 Path Menu Setup Inputs Conductivity Liquiline CM442 Function Options Info Table name Compensation one of the user tables Customized text 16 characters Assign a meaningful name to the selected table gt Edit table Compensation one of the user tables Temperature Conductivity Temperature comp cond or Temperature Coefficient alpha Maximum number of rows 25 The type of table depends on the option under Temp comp mode 4 7 Cleaning Path Menu Setup Inputs lt Parameter gt depends on input Function Options Info Cleaning Options Select a cleaning program eae 1 This program is executed if ne A diagnostics message is present at the channel Cleaning 2 and een A cleaning process has been specified for this 8 message gt Inputs Diag settings Diag Factory setting behavior None a You define the cleaning programs in the Setup Additional functions Cleaning menu Endress Hauser Liquiline
7. Failure F Factory setting Depends on the message The messages are divided into different error classes in accordance with NAMUR NE 107 gt BA445C Maintenance amp diagnostics Error current Options On Off Factory setting Depends on the message Decide whether an error current should be output at the current output if the diagnostic message display is activated Endress Hauser Liquiline CM442 Inputs Nitrate Paths Menu Setup General settings Diagnostics or Menu Setup Inputs Diag settings Diag behavior Function Options Info Diag output Options You can use this function to select an output to None which the diagnostic message should be assigned m Alarm relay a Relay 1 to n depends on the device version Factory setting None You first have to configure a relay output before being able to assign the message to an output Menu Setup Outputs assign Diagnostics function and set Operating mode to Normal gt BA450C Operation amp configuration a One alarm relay is always available regardless of the device version Other relays are optional Cleaning program Options Decide whether the diagnostic message should a None trigger a cleaning program Cleaning 1 You can define the cleaning programs under Cleaning 2 Menu Setup Additional functions Cleaning Cleaning 3 Cleaning 4 Factory setting None Info Read only Here you can find more informati
8. Manufacturer data Serial number Order code Date of manufacture Calibration data Date of calibration Calibration values Number of calibrations Serial number of the transmitter used to perform the last calibration Operating data Date of initial commissioning Hours of operation under extreme operating conditions Sensor monitoring data E The specific data that are recorded and communicated to the transmitter depend on the sensor used Differences can also occur within a sensor type In the case of the CM44x controller this causes different menu items to be displayed or hidden depending on the sensor connected Pay attention to specific information in this manual Example The amperometric oxygen sensor COS51D cannot be sterilized For this reason you will not be able to define limit values for sterilization in the diagnostics settings for this sensor On the other hand these menu items are displayed for a sterilizable amperometric sensor such as COS22D Endress Hauser 5 Inputs pH ORP 3 Inputs pH ORP 3 1 Liquiline CM442 Sensor identification and damping E The following functions are available for every input The description below is always the same However any settings you make always Path Menu Setup Inputs individually affect the input selected Function Options Info Sensor type Options The function is only available if you have not None co
9. Specify the number of decimal places 6 3 Cleaning Path Menu Setup Inputs lt Parameter gt depends on input Function Options Info Cleaning Options Select a cleaning program None A This program is executed if Cleaning 1 i A diagnostics message is present at the channel Cleaning 2 and canen A cleaning process has been specified for this 8 message gt Inputs Diag settings Diag Factory setting behavior None A You define the cleaning programs in the Setup Additional functions Cleaning menu Endress Hauser Liquiline CM442 6 4 Calibration settings Inputs Turbidity and solids 6 4 1 Calibration timer and calibration expiration date You can specify the calibration interval for the sensor here Once the time configured elapses the Calibration timer diagnostics message appears on the display E The timer is reset automatically if you recalibrate the sensor Path Menu Setup Inputs Calib settings Function Options Info Calibration timer Options Switches the function on or off Off a On Factory setting Off Calibration timer 1 to 10000 h Specify the time after which the timer should have Calibration timer On Factory setting timed out Once this time has elapsed the Sensor check diagnostics message along with the code 1000 h 102 appears on the display Calib expiration date Options The function checks whether the calibration of
10. Manual the setting for Buffer manufacturer Automatic only pH glass Factory setting The controller recognizes the buffer automatically fixed The recognition depends on the setting for Buffer manufacturer Manual You enter any two buffer values These must differ in terms of their pH value Buffer manufacturer Options Temperature tables are stored internally in the unit m Endress Hauser for the following pH values Ingold Mettler m Endress Hauser DIN 19266 2 00 4 00 7 00 9 00 9 20 10 00 a DIN 19267 2 00 m Merck Riedel Ingold Mettler Hamilton 2 00 4 01 7 00 9 21 Special buffer a DIN 19266 Factory setting e ee ene ale eiii 09 4 65 6 79 9 23 12 75 m Merck Riedel 2 00 4 01 6 98 8 95 12 00 Hamilton You have the possibility of d tables are displayed in whic h you can enter value pH value t 09 1 68 2 00 3 06 4 01 5 00 6 00 7 00 8 00 9 21 10 01 11 00 12 00 efining two buffers of your own with the Special buffer option For this purpose two emperature value pairs Isotherm pnt pHOto 14 Factory setting pH 7 00 Isotherm intersection pH glass Value is identical to the internal buffer Do not change the value pH ISFET The controller automatically accepts the value saved at the factory Endress Hauser Liquiline CM442 Inputs pH ORP 3 5 3 Calibration timer and calibration expiration date You c
11. Unipolar Outputting the controller manipulated variable via the current output Assign Unipolar to the output to which an actuator that can increase the measured value is connected Assign Unipolar to the output to which an actuator that can decrease the measured value is connected To output the manipulated variable of a two sided controller positive manipulated variables and negative manipulated variables generally have to be output to different actuators as most actuators are able to influence the process in one direction only not in both For this purpose Liquiline splits the bipolar manipulated variable y into two unipolar manipulated variables y and y Only the two unipolar manipulated variable parts are available for selection for outputting to modulated relays If outputting the values via a current output you also have the possibility of outputting the bipolar manipulated variable y to one current output only split range Endress Hauser 71 Outputs 72 Liquiline CM442 8 2 Alarm relay and optional relays The basic version of the device always has one alarm relay Additional relays are also available depending on the version of the device The following functions can be output via a relay Limit switch status Controller manipulated variable for controlling an actuator m Diagnostics messages a Status of a cleaning function in order to control a pump or a valve E You can assign a relay to
12. Delta operating point pH pH 0 00 to 2 00 point or operating point differential Cut PH ISFET 0 to 950 mV Function Options On Off Factory setting Off Warning limit Factory setting Diagnostics code and associated message text pH 0 50 25 mV 520 Sensor calib pH glass 522 Sensor calib pH ISFET Alarm limit Factory setting Diagnostics code and associated message text pH 1 00 50 mV 519 Sensor calib pH glass 521 Sensor calib pH ISFET 3 6 10 Sterilizations The system counts the number of operating hours in which the sensor is exposed to a temperature that is typical for a sterilization This temperature depends on the sensor Path Menu Setup Inputs Diag settings Function Options Info gt Sterilizations 0 to 99 Specify the limit values for the number of sensor sterilizations Function Options On Off Factory setting Off Warning limit Factory setting Diagnostics code and associated message text 30 108 Sensor check 3 6 11 Diagnostic behavior Ey This branch along with the same functions can be found in various parts of the menu The list of diagnostic messages displayed depends on the path selected There are device specific messages and messages that depend on what sensor is connected Endress Hauser Liquiline CM442 Inputs pH ORP Paths Menu Setup General settings Diagnostics or Menu Setup Inputs Diag settings Diag behavior F
13. Endress Hauser 65 Inputs Nitrate 66 Path Menu Setup Inputs Diag settings Liquiline CM442 Function Options Info gt Process Check System Diagnostics code and associated message text 904 Process check Function Options On a Off Factory setting On Duration 1 to 240 min The measured value must change during this time Factory setting Otherwise the error message is triggered 60 min Tolerancewidth 0 01 to 20 Interval around the measuring signal raw value F i for detecting stagnation Tot available wih pH Redox Pea setting Measured values within the set interval are A regarded as stagnating 7 5 3 Diagnostic behavior This branch along with the same functions can be found in various parts of the menu The list of diagnostic messages displayed depends on the path selected There are device specific messages and messages that depend on what sensor is connected Paths Menu Setup General settings Diagnostics or Menu Setup Inputs Diag settings Diag behavior Function Options Info List of diagnostic messages Select the message to be changed Diagnostic message Options You can deactivate or reactivate a diagnostic On message here ae Deactivating means Factory setting No error message in the measuring mode Depends on the message No error current at the current output Error class Options a Maintenance M Out of specification S Function check C
14. Inputs pH ORP 3 6 Diagnostics settings Liquiline CM442 This menu branch is used for specifying alarm and warning limits and for defining whether and how diagnostics tools should be used The associated diagnostics code is displayed for every setting 3 6 1 Sensor check system only pH glass The sensor check system SCS monitors the high impedance of the pH glass An alarm is issued if a minimum impedance value is undershot or a maximum impedance is exceeded m Glass breakage is the main reason for a drop in high impedance values m The reasons for increasing impedance values include Dry sensor Worn pH glass membrane Path Menu Setup Inputs Diag settings Function Options Info gt Glass impedance SCS 0 to 10000 MQ Specify your limit values for monitoring the impedance of the pH glass Function Options On a On SCS operates with the following settings for the Off warning and alarm limits Off rd setting SCS is switched off n Upper alarm limit Factory setting Diagnostics code and associated message text 2000 MQ 124 Sensor glass Upper warning limit Factory setting Diagnostics code and associated message text 1600 MQ 125 Sensor glass Lower warning limit Factory setting Diagnostics code and associated message text 1MQ 123 Sensor glass Lower alarm limit Factory setting Diagnostics code and associated message text 0MQ
15. Path Menu Setup Inputs Conductivity Function Options Info Inst factor Read only Displays the current value Only changes with a Only available if a sensor is calibration connected In confined installation conditions the wall affects conductivity measurement in the liquid The installation factor compensates for this effect The transmitter corrects the cell constant by multiplying by the installation factor The size of the installation factor depends on the diameter and the conductivity of the pipe nozzle as well as the distance between the sensor and the wall If there is a sufficient distance between the wall and the sensor a gt 15 mm 0 59 from DN 80 the installation factor f does not have to be taken into consideration f 1 00 If distances from the wall are smaller the installation factor is bigger for electrically insulating pipes f gt 1 and smaller for electrically conductive pipes f lt 1 It can be measured using calibration solutions or a close approximation determined from the following diagram 1 40 1 20 1 00 0 80 0 5 10 15 20 25 a mm L lll 0 20 0 39 0 59 0 79 0 98 a inch 20005441 Fig 9 Relation between the installation factor fand the wall distance 1 Electrically conductive pipe wall 2 Electrically insulating pipe wall Endress Hauser 23 Inputs Conductivity 24 Liquiline CM442 4 4 Concentration table only inductive sensors P
16. Unipolar Unipolar Bipolar only current outputs Controller manipulated variable as the source for the limit switch You can monitor the manipulated variable by assigning the controller manipulated variable to a limit switch e g configure a dosing time alarm Path Menu Setup Additional functions Limit switches Function Options Info Cleaning program Options m None Cleaning 1 Cleaning 2 Cleaning 3 Cleaning 4 Factory setting None Use this function to choose the cleaning instance which should be started when the limit switch is active Function Options On Off Factory setting Off Activating deactivating the limit switch Operating mode Options Above limit check Below limit check m Inrange check Out of range check Change rate Factory setting Above limit check Type of limit value monitoring m Limit value overshoot or undershoot Measured value within or outside a range Change rate Endress Hauser Liquiline CM442 Path Menu Setup Additional functions Limit switches Additional functions Function Options Info Limit value Range of adjustment and factory setting Depends on the measured value Hysteresis and the start delay has elapsed Start delay Hysteresis and following the release delay Release delay Ifthe measured values are increasing the relay contact is closed when th
17. 4 Inputs Conductivity Enter the Inputs menu 1 Select Menu Setup Inputs 2 Navigate to an input channel to which a conductivity sensor is connected 3 Press the navigator button to configure the input 4 1 Temperature format sensor identification and damping E The following functions are available for every input The description below is always the same However any settings you make always individually affect the input selected Path Menu Setup Inputs Function Options Info Sensor type Options The function is only available if you have not None connected a sensor to the input in question Oxygen amp You can select a sensor from the list and configure Oxygen opt pH Glass the settings for the sensor type without connecting pH ISFET the sensor Condc Condi m ORP Turbidity Nitrate Factory setting None lt Parameter gt If no sensor is connected depending on which sensor has The selected sensor type is displayed been selected If a sensor is connected The user enters the menu directly A If you are configuring the settings for an input without a sensor being connected all the subsequent functions move down one hierarchical level Channel Options On On The channel display is switched on in the Off measuring mode Factory setting of On The channel is not displayed in the measuring mode regardless of whether a sensor is connected or not Tem
18. a None which the diagnostic message should be assigned Alarm relay Relay 1 ton depends on the device version Factory setting None You first have to configure a relay output before being able to assign the message to an output Menu Setup Outputs assign Diagnostics function and set Operating mode to Normal gt BA450C Operation amp configuration a One alarm relay is always available regardless of the device version Other relays are optional Cleaning program Options m None Cleaning 1 Cleaning 2 Cleaning 3 Cleaning 4 Factory setting None Decide whether the diagnostic message should trigger a cleaning program You can define the cleaning programs under Menu Setup Additional functions Cleaning Info Read only Here you can find more information on the diagnostic message and instructions on how to resolve the problem 5 8 Tag control Tag stands for the name of a measuring point and is used in many areas of process measuring technology Path Menu Setup Inputs Function Options Info gt Tag control Additional information on the display tag control currently used Operating mode Options Off Off No tag control all sensors are accepted a Tag Tag Tag group Only sensors with the same tag are accepted Tag group ras setting Only sensors in the same tag group are accepted Tag group Customized text Enter the tag name The
19. 5 2 Buffer recognition only pH Automatic buffer recognition To ensure a buffer is detected correctly the measuring signal may deviate by a maximum of 30 mV from the value stored in the buffer table This is approx 0 5 pH at a temperature of 25 C If both buffers 9 00 and 9 20 were used this would cause the signal intervals to overlap and buffer recognition would not work For this reason the controller would recognize a buffer with a pH of 9 00 as a pH of 9 20 gt Do not use the buffer with a pH of 9 00 for automatic buffer recognition Path Menu Setup Inputs Calib settings Function Options Info Temp compensation Options Decide how you want to compensate the buffer Off temperature Automatic Automatically using the temperature sensor of Manual your sensor ATC Factory setting Manually by entering the buffer temperature A a Notat all Automatic Temperature 50 to 250 C 58 to 482 F Specify the buffer temperature Temp compensation Manual Factory setting 25 C77 F A This setting only refers to compensation during calibration not in measuring mode You perform the compensation in the measuring mode further down in the menu Endress Hauser 9 Inputs pH ORP Path Menu Setup Inputs Calib settings Liquiline CM442 Function Options Info Buffer recognition Options fixed m fixed You choose values from a list This list depends on Automatic only pH glass
20. 6 7 6 8 7 KI 7 2 7 3 7 4 7 5 7 6 7 7 7 8 8 8 1 8 2 9 9 1 9 2 9 3 10 10 1 10 2 10 3 Sensor factory setting COS61D Inputs Turbidity and solids 50 Temperature format sensor identification and CaM PINs ct A O 50 Application and main measured value 51 AAA nee un eee 52 Calibration settings 53 Diagnostics settings 54 LAS CONUOL EE Et Se dae dns ee atts 58 Sensor input factory setting 58 Sensor factory setting 59 Inputs Nitrate 60 Temperature format sensor identification and A E A 60 Application and main measured value 61 AA en EN rs 62 Calibration settings 62 Diagnostics settings 63 Tag Control sans is es EEE eae ae cs 67 Sensor input factory setting 68 Sensor factory setting 68 Outputs 69 C rrent Outputs sears Paname oe aliens 69 Alarm relay and optional relays 72 Additional functions 77 limits Witch eseri ica 77 Controller td tas S 80 Cleaning programs 85 Data administration 87 Firmware update 87 Saving the SETUP occiso 87 Loading the setup 88 Index fasses 89 About this manual Liquiline CM442 1 About this manual This manual gives a detailed account of all the configuration options in the Setup menu A descri
21. Additional functions Liquiline CM442 9 2 Controller E Additional information on the fundamentals of control engineering is provided in a special document on the CD Make the following decisions when configuring a controller 1 2 What type of process can your process be assigned to gt Process type Should it be possible to influence the measured variable controlled variable in one direction or in both directions One sided or two sided controller gt Controller type What should be the controlled variable sensor measured value gt Controlled variable Define the parameters for the controller Setpoint gt Setpoint Neutral zone gt Xn Gain P value gt Kp Integral action time I value gt Tn Derivative action time D value gt Tv What should the controller do in the event of a hold measured error sensor replacement cleaning etc Pause or continue with dosing At the end of a hold continue or restart the control loop affects I value How should the actuator be triggered Assign Unipolar to the output for an actuator which can increase the measured value Assign Unipolar to the output for an actuator which can decrease the measured value Select Bipolar if you want to output the manipulated variable via one current output only split range Configure the outputs and switch on the controller Path Menu Setup
22. and the penultimate calibration and issues a warning or an alarm depending on the setting configured The difference is an indicator for the condition of the sensor The greater the change the greater the wear experienced by the pH sensitive glass membrane as a result of chemical corrosion or abrasion Path Menu Setup Inputs Diag settings Function Options Info gt Delta slope 0 10 to 10 00 Specify your limit values for monitoring the slope differential Function Options On Off Factory setting Off Warning limit Factory setting Diagnostics code and associated message text 5 00 mV pH 518 Sensor calib Alarm limit Factory setting Diagnostics code and associated message text 6 00 mV pH 145 Delta slope al 3 6 9 Delta zeropoint only pH glass or Delta operating point only pH ISFET The device determines the difference between the last calibration and the penultimate calibration and issues a warning or an alarm depending on the setting configured The difference is an indicator for the condition of the sensor The following applies to pH glass electrodes The greater the change the greater the wear experienced by the reference as a result of contaminating ions or KC leaks Endress Hauser 17 Inputs pH ORP Path Menu Setup Inputs Diag settings Liquiline CM442 Function Options Info Delta zeropoint pH glass pH glass Specify your limit values for monitoring the zero
23. are divided into different error classes in accordance with NAMUR NE 107 gt BA445C Maintenance amp diagnostics Error current Options On Off Factory setting Depends on the message Decide whether an error current should be output at the current output if the diagnostic message display is activated Diag output Options m None Alarm relay m Relay 1 to n depends on the device version Factory setting None You can use this function to select an output to which the diagnostic message should be assigned You first have to configure a relay output before being able to assign the message to an output Menu Setup Outputs assign Diagnostics function and set Operating mode to Normal gt BA450C Operation amp configuration a One alarm relay is always available regardless of the device version Other relays are optional Cleaning program Options None Cleaning 1 Cleaning 2 Cleaning 3 Cleaning 4 Factory setting None Decide whether the diagnostic message should trigger a cleaning program You can define the cleaning programs under Menu Setup Additional functions Cleaning Info Read only Here you can find more information on the diagnostic message and instructions on how to resolve the problem Endress Hauser Liquiline CM442 Inputs Conductivity 4 8 5 Polarization detection only conductive sensors As a result of flow thro
24. controller checks every Factory settin sensor to be connected as to whether this sensor ry 8 belongs to the measuring point and only accepts EH_CM44_ the sensors that have the same tag Endress Hauser Liquiline CM442 Inputs Oxygen 5 9 Sensor input factory setting Here you can restore the factory settings for the sensor input For this purpose simply press the navigator button and select OK when the prompt for the device software appears Only the factory settings for this particular input are restored All other settings remain unchanged 5 10 Sensor factory setting COS61D Here you can restore the sensor factory settings For this purpose simply press the navigator button and select OK when the prompt for the device software appears Only the factory settings for the sensor are restored The settings for the input remain unchanged Endress Hauser 49 Inputs Turbidity and solids 50 6 Inputs Turbidity and solids Enter the Inputs menu 1 Select Menu Setup Inputs 2 Navigate to an input channel where a turbidity sensor is connected You cannot make some settings if the sensor is not connected 3 Press the navigator button to configure the input Liquiline CM442 6 1 Temperature format sensor identification and damping The following functions are available for every input The description below is always the same However any settings you make always Path Menu Setup Inputs individually affe
25. ed va eee eee 41 Zero DORE Ped sora einer ab 13 F Firmware update Gonitroller a eco esheets cae eee sr 87 I Inputs Conductivity esse seed hae ee Pee Ry 21 Nitrate oia is eal eth eA 60 ORV BONS ka ae O 35 PH ORP brisas 6 Turbidity and solids 50 Installation factor 23 L Limit SWitChy 5 A Ae 72 77 Liquiline CM442 M Medium compensation O E AA 37 39 IA IN A 7 N Nitrate Calibration settings 62 Cleanings ni ana 62 Diagnostics settings 63 Stability criterias cscs stargate 63 Tag COMO sigo polera bow 67 O Operating hours Conductivity tod 30 Nitrate sinus based 63 A sen ia eae es oY ere 43 PH ORP Sen ns te ee 16 T rbidi LPS te eme 54 Operating mode 22 Outputs Adel its stress 72 Current outputs 69 Relay optional 72 Oxygen Calibration settings 39 Diagnostics settings 41 Tag COMO tn rs a 48 P pH ORP Calibration settings 9 diagnostics Settings ar in 12 TAR COMMON mies 20 Polarization detecti0N o o oooooooooo 33 Polarization voltage 37 Process check system 15 29 42 56 65 R Relay ACA Patate eset Ta sente Rise 76 Controllers cdta in ee ina ire 73 Diagnostics message 75 EMP Wi ass No a dao 72 90 S Sensor check
26. for the input remain unchanged 68 Endress Hauser Liquiline CM442 Outputs 8 Outputs 8 1 Current outputs The basic version of the device always has two current outputs You can configure additional current outputs with extension modules Possible applications For outputting a measured value to a process control system or an external recorder For outputting a manipulated variable to connected actuators E The current output curve is always linear Path Menu Setup Outputs Function Options Info gt Current output In addition the slot and output numbers are displayed Example 1 2 slot 1 current output 2 Current output Options On Off Factory setting Off Source of data Options The sources of data on offer depend on your device None version All the sensors and controllers connected Connected inputs to inputs are available for selection Controller Factory setting None Measured value Options The measured value you can select depends on the None option selected under Source of data Depends on the Source of data Factory setting None a The table on the next page lists the measured values available depending on the data source Apart from measured values from connected sensors you can also select a controller as the data source The best way to do so is by using the Additional functions menu Here you can also select and configure the current output for outputting the con
27. system 12 Sensor condition check 14 Sensor identification 6 21 35 50 60 Setup Lola ek esters 88 Varia ste det eee genes 87 Slope ORV GCM ard dilate A A AEA oE 41 PA e AE Aral IS NATA 13 Stability criteria Nit ion aa ea 63 OP aida 39 PORE gt SE nn et ce UE 9 TAT DUGIEY ee Asks cre ck var rated tara a UE 54 SterilizatiOns 2 2 ss a eas Ob et 18 31 45 Sterilizations CAP 47 T Tag control 20 33 48 58 67 Temperature compensation 26 Temperature format 21 35 50 60 Turbidity Calibration settings 53 Gleann e in sn Morand 52 Diagnostics settings 54 Stability criteriaies u tie oe OE GE ee 54 Tag COntrolt font sce lathe OR Le An a 58 Z Zero point DA meet Seer rere Baoan 41 DES ee hake wastes TO 13 Liquiline CM442 Endress Hauser www endress com worldwide Endress Hauser People for Process Automation BA450C 07 EN 03 10 FMYSCML 6 0 MN 71099471
28. temperature 50 0 to 140 0 C 122 0 to 284 0 F Factory setting 80 C 176 F Specify the temperature as of which the sensor should no longer be polarized extreme operating conditions The polarization voltage saved in the sensor is used up to this temperature 5 5 Cleaning Path Menu Setup Inputs lt Parameter gt depends on input Function Options Info Cleaning Options Select a cleaning program m None This program is executed if Cleaning 1 A 3 P A diagnostics message is present at the channel Cleaning 2 and Pe A A cleaning process has been specified for this 8 message gt Inputs Diag settings Diag Factory setting behavior None a You define the cleaning programs in the Setup Additional functions Cleaning menu Endress Hauser Liquiline CM442 5 6 Calibration settings 5 6 1 Stability criteria Inputs Oxygen You define the permitted measured value fluctuation which must not be exceeded in a certain timeframe during calibration If the permitted difference is exceeded calibration is not permitted and is aborted automatically Path Menu Setup Inputs Calib settings Function Options Info gt Stability criteria Delta signal 0 1 to 2 0 Permitted measured value fluctuation during j calibration Referenced to the raw value in nA in Factory setting 02 the case of amperometric sensors and referenced to the partial pressure in the ca
29. versions Your current firmware version can be found at Menu Diagnostics System information Software version E Fist save your current setup on an SD card since a firmware update overwrites your settings with the factory settings After updating the firmware you can restore your setup by uploading it from the SD card To install a firmware update you must have the update available on an SD card 1 Insert the SD card into the controller card reader 2 Goto Menu Setup Data management Firmware update gt The update files on the SD card are displayed 3 Select the desired update and select yes when the following question is displayed The current firmware will be overwritten After this the device will reboot Do you want to proceed gt The firmware is loaded and the device is then started with the new firmware 10 2 Saving the setup Saving the setup gives you the following advantages m Quick and easy to restore a setup following a firmware update Copying settings for other devices Quick and easy switching between various setups e g for different user groups or for recurring sensor type change Restoring a tried and tested setup e g if you have changed a lot of settings and no longer know what the original settings were Insert the SD card into the controller card reader Go to Menu Setup Data management Save setup Assign a file name Name Then select Save If you have already assigned the file
30. 0 h 185 Operating time COS51D 186 Operating time COS22D gt Operation lt 25us Only optical sensors uS fluorescence decay time raw value of optical measurement Warning limit Factory setting Diagnostics code and associated message text 10000 h 181 Operating time gt Operation gt 40 ps Only optical sensors Warning limit Factory setting Diagnostics code and associated message text 10000 h 182 Operating time 5 7 5 Delta slope only amperometric sensors The device determines the difference in slope between the last calibration and the penultimate calibration and issues a warning or an alarm depending on the setting configured The difference is an indicator for the condition of the sensor An increasing change indicates the formation of buildup on the sensor diaphragm or electrolyte contamination Replace the diaphragm and electrolyte as specified in the instructions in the sensor operating manual Endress Hauser Liquiline CM442 Inputs Oxygen Path Menu Setup Inputs Diag settings Function Options Info gt Delta slope 0 0 to 50 0 Specify the limit values for monitoring the slope differential Function Options On Off Factory setting On Warning limit Factory setting Diagnostics code and associated message text 5 0 518 Sensor calib Alarm limit Factory setting Diagnostics code and associated message text 10 0 145 Delta slope al 5 7 6 Delta zero point only am
31. 000 mg l 0 00 C 2 000 mS cm 0 000 mg l 100 00 C 100 0 mS cm 3 000 mg l 0 00 C 300 0 mS cm 3 000 mg l 100 00 C 4 5 Main measured value and unit Path Menu Setup Inputs Conductivity Function Options Info Cond unit Options The picklist depends on the operating mode Operating mode Conductivity Conductivity resistance Auto Auto You can either choose from units for conductivity or units for resistivity Unit A e a uS cm MQm Since there are no options for concentration Operating mode Resistance a mS cm MQcm measurement this function is not displayed for S cm kQcm such measurements a uS m kQm mS m Qm a S m Qcm Factory setting Auto Auto Main value format Options Specify the number of decimal places Auto Auto means the number of digits is automatically a set in dependence of the measured value a n HAH a HHHH Factory setting HHHH Alpha ref temp 5 0 to 100 0 C Reference temperature for calculating the 23 0 to 212 0 F emperature compensated conductivity Factory setting The alpha coefficients and alpha reference 25 0 C 77 0 F emperatures of Endress Hauser calibration solutions can be found in the documentation enclosed Temp source Options Decide how you want to compensate the medium Sensor emperature Manual Automatically using the temperature sensor of Factory settin Ar S ry 8 Manually by entering the medium temperature ensor Medium temperatu
32. 122 Sensor glass Endress Hauser Liquiline CM442 3 6 2 Slope only pH Inputs pH ORP The slope characterizes the sensor condition The bigger the deviation from the ideal value 59 mV pH the poorer the condition of the sensor Path Menu Setup Inputs Diag settings Function Options Info gt Slope 5 00 to 99 00 mV pH Specify your limit values for slope monitoring Warning limit Factory setting Associated diagnostics code and message text 55 00 mV pH 509 Sensor calib Alarm limit Factory setting Associated diagnostics code and message text 53 00 mV pH 508 Sensor calib 3 6 3 Zero point only pH glass or Operating point only pH ISFET pH glass sensors The zero point characterizes the condition of the sensor reference The bigger the deviation from the ideal value pH 7 00 the poorer the condition This can be caused by KCl leaking or reference contamination Path Menu Setup Inputs Diag settings Function Options Info Zero point pH glass pH glass Specify your limit values for zero point or operating Operating point pH ISFET 2 00 to 16 00 point monitoring pH ISFET 950 mV to 950 mV Upper alarm limit Factory setting Associated diagnostics code and message text pH 9 00 400 mV 504 Sensor calib pH glass 514 Sensor calib pH ISFET Upper warning limit Factory setting Associated diagnostics code and message text pH 8 00 300 mV 505 Sensor calib pH gla
33. 22 Cleaning A tester meer 62 A A es eels 52 Cleaning programs 85 Conductivity Diagnostics settings 29 Tag control cata ere 33 Controllers ss Rd ME de 73 80 D Damping dt due a de 6 21 35 50 60 Data administration Firmware Update ide ina 87 Loading the SD verse messe 88 Saving the setups inne ihe coca nest 87 Delta slope ORY BON severe it TG ise aes 44 DE Saia A gies MEM nae tas re a 17 Delta zero point Os Pee bee eet 45 PH osu i Rebeca eae ed vali ES EE CT 17 Endress Hauser Diagnostics settings Conductivity rs ALES ER Eee 29 Delta slope oxygen 44 Delta slope pH joi os eke ei 17 Delta zero point oxygen 45 Delta zero point pH 17 Diagnostic behavior 18 32 47 57 66 Nate rada st dae dette atk anced aay ais 63 Operating hours conductivity 30 Operating hours oxygen 43 Operating hours pH ORP 16 Operating hours nitrate 63 Operating hours turbidity 54 OXYGENS EAN da 41 PELO R Pine a la ee a are 2 Polarization detection 33 Process check system 15 29 42 56 65 Sensor check system 2 Sensor condition check 4 SIOPE OO dio dia mot ei 41 A RE baw eee Pots 13 Sterilizations 18 31 45 E eee sieve wees otk An de Ws 54 Zero point Oxyoen res
34. 5 7 Diagnostics settings This menu branch is used for specifying alarm and warning limits and for defining whether and how diagnostics tools should be used The associated diagnostics code is displayed for every setting 5 7 1 Slope The relative slope characterizes the sensor condition Decreasing values indicate electrolyte exhaustion You can control when the electrolyte should be replaced by specifying limit values and the diagnostics messages these limit values trigger Path Menu Setup Inputs Diag settings Function Options Info gt Slope 0 0 to 200 0 Specify the limit values for slope monitoring in your sensor Upper alarm limit Factory setting Diagnostics code and associated message text 150 0 510 Sensor calib Upper warning limit Factory setting Diagnostics code and associated message text 140 0 511 Sensor calib Lower warning limit Factory setting Diagnostics code and associated message text 60 0 509 Sensor calib Lower alarm limit Factory setting Diagnostics code and associated message text 50 0 508 Sensor calib 5 7 2 Zero point only amperometric sensors The zero point corresponds to the sensor signal that is measured in a medium in the absence of oxygen You can calibrate the zero point in water that is free from oxygen or in high purity nitrogen This improves accuracy in the trace range Path Menu Setup Inputs Diag settings
35. Additional functions Controller 1 or Controller 2 Function Options Info Control Options First configure the controller and leave the switch On at Off during this time Off Once you have made all the settings you can assign Factory setting the controller to an output and switch it on Off Name Customized text Give the controller a name so you can identify it ater on Process type Options Decide what type of process best describes your Inline particular process Batch Factory setting Inline 80 Endress Hauser Liquiline CM442 Additional functions Batch process The medium is in a closed system The task of the control system is to dose in such a way that the measured value controlled variable changes from its start value to its target value No more dosing is needed once the setpoint has been reached and the system is stable If the target value is overshot a two sided control system can compensate for this In the case of 2 sided batch control systems a neutral zone is used configured to suppress oscillations around the setpoint In line process In an in line process the control system works with the medium flowing by in the process Here the controller has the task of using the manipulated variable to set a mixture ratio between the medium and dosing agent such that the resulting measured variable corresponds to the setpoint The properties and volume of the medium flow can change at an
36. Endress H CM442 Inputs Conductivity 4 8 Diagnostics settings This menu branch is used for specifying alarm and warning limits and for defining whether and how diagnostics tools should be used The associated diagnostics code is displayed for every setting 4 8 1 Process check system The process check system PCS checks the measuring signal for stagnation An alarm is triggered if the measuring signal does not change over a certain period several measured values 20013107 20013106 Fig 10 Normal measuring signal no alarm Fig 11 Stagnating signal alarm is triggered y Measuring signal tp Set value for Duration Vr Set value for Tolerancewidth ty Time when the alarm is triggered The main causes of stagnating measured values are Contaminated sensor or sensor in air Sensor failure m Process error e g through control system Remedial action 1 Clean the sensor 2 Check the measuring chain 3 Switch off the controller and switch it back on again Path Menu Setup Inputs Diag settings Function Options Info gt Process Check System Diagnostics code and associated message text 904 Process check Function Options On Off Factory setting On auser 29 Inputs Conductivity 30 Path Menu Setup Inputs Diag settings Liquiline CM442 Function Options Info Duration 1 to 240 min The measured value must change during this
37. KH 0 D amp 3 We E Level Pressure Temperature je Registration Systems Services Solutions Components Operating Instructions Liquiline CM442 Universal four wire multichannel controller Operation amp settings BA450C 07 EN 03 10 71 oe CE Endress Hauser People for Process Automation Operation concept CH2 1 2 Oxygen 10 62 mgll Language Italiano gt Display Operazioni gt Setup gt Taratura lt gt 20012790 en Fig 1 Pressing the soft key selecting the menu directly 20012791 en Fig 2 Turning the navigator moving the cursor in the menu Languago Italiano gt Display Operazioni eu English BX Nederlands Frangais Deutsch Italiano Portugu s Espa ol lt gt 20012792 en Fig 3 Pressing the navigator launching a function 20012793 en Fig 4 Turning the navigator selecting a value e g from a list English PX Nederlands Fran ais Deutsch Italiano Portugu s Espa ol English 20012794 en Fig 5 Pressing the navigator accepting the new value 20012795 en Fig Result new setting is accepted Liquiline CM442 Table of contents 3 1 3 2 3 3 3 4 3 5 3 6 3 7 3 8 4 1 4 2 4 3 4 4 4 5 4 6 4 7 4 8 4 9 4 10 4 11 5 2 5 3 5 4 5 5 5 6 5 7 5 8 5 9 Ab
38. a Off sensor is still valid On Example You install a precalibrated sensor The Factonesetti function checks how much time has elapsed since Off ry 8 the sensor was last calibrated A diagnostics message is displayed if the time since the last calibration is longer than the prespecified warning and alarm limit gt Calib expiration date Warning limit 1 to 12 months Factory setting 11 months Diagnostics message 105 Sensor check Warning and alarm limits mutually affect each other s possible ranges for adjustment Alarm limit 1 to 12 months Diagnostics message 104 Sensor check Factory setting General rule 12 months Alarm limit gt warning limit Endress Hauser 53 Inputs Turbidity and solids Liquiline CM442 6 4 2 Stability criteria You define the permitted measured value fluctuation which must not be exceeded in a certain timeframe during calibration If the permitted difference is exceeded calibration is not permitted and is aborted automatically Path Menu Setup Inputs Calib settings Function Options Info gt Stability criteria Delta turbidity 0 1 to 5 0 Permitted measured value fluctuation during Factory setting calibration 2 0 Delta temperature 0 10 to 2 00 C Permitted temperature fluctuation during 0 18 to 3 60 F calibration Factory setting 0 50 C 0 90 F Duration 0 to 100s Timeframe within which the permitted range for r measured value fluctua
39. actory setting Os The damping causes a floating average curve of the measured values over the time specified 3 2 Temperature and medium compensation only pH Path Menu Setup Inputs pH Function Options Info Temp compensation Options Decide how you want to compensate the medium Off temperature Automatic Automatically using the temperature sensor of Manual your sensor ATC Factory setting Manually by entering the medium temperature y Notatall Automatic a This setting only refers to compensation during measuremen calibration settings You enter the compensation for calibration in the Internal buffer pH Oto 14 Only change the value if you are using a sensor only pH glass Factory setting with an internal buffer other than pH 7 pH 7 00 Medium comp Options Take a sample from the medium and determine its Of pH value at different temperatures in the lab 2 point Decide whether you want to compensate using two Table points or several points in a table Factory setting Off Aa The dissociation of water changes with increasing temperature The balance shifts towards the protons the pH value drops You can balance out this effect with the Medium compensation function Endress Hauser Inputs pH ORP Liquiline CM442 3 3 Main value and temperature format Path Menu Setup Inputs pH or ORP Function Options Info Main value format Options Specify
40. actory setting Otherwise the error message is triggered 60 min Endress Hauser Liquiline CM442 Path Menu Setup Inputs Diag settings Inputs Oxygen Function Options Info Tolerancewidth not available with pH Redox 0 01 to 20 Factory setting 0 05 Interval around the measuring signal raw value for detecting stagnation Measured values within the set interval are regarded as stagnating 5 7 4 Limits operating hours The total operating time of the sensor and its use under extreme conditions is monitored If the operating time exceeds the defined threshold values the device issues a corresponding warning or alarm E Each sensor has a limited life expectancy which heavily depends on the operating conditions If you specify warning and alarm limits for operating times under extreme conditions you can guarantee the operation of your measuring point without any downtime by performing maintenance tasks in time Path Menu Setup Inputs Diag settings Function Options Info gt Limits operating hours A The range of adjustment for the operating hours alarm and warning limits is generally 1 to 50000 h Function Options On On The operation of the sensor under extreme Off conditions is monitored recorded in the sensor and Factory setting diagnostics messages are displayed on the On controller Off No diagnostics mess
41. ages However the time the sensor operates under extreme conditions is recorded in the sensor and can be read in the sensor information in the diagnostics menu gt Operating time Total operating time of the sensor Warning limi Factory setting Diagnostics code and associated message text 10000 h 99 Operating time gt Operation lt 5 C Only optical sensors Warning limi Factory setting Diagnostics code and associated message text 10000 h 88 Operating time gt Operation gt 25 C Only optical sensors Warning limi Factory setting Diagnostics code and associated message text 10000 h 190 Operating time Endress Hauser 43 Inputs Oxygen Path Menu Setup Inputs Diag settings Liquiline CM442 Function Options Info gt Operation gt 40 C Warning limit Factory setting Diagnostics code and associated message text 10000 h 192 Operating time gt Operation gt 80 C Warning limit Factory setting Diagnostics code and associated message text 10000 h 193 Operating time Operation above first Only amperometric sensors sensor specific limit specified nA value Warning limit Factory setting Diagnostics code and associated message text 10000 h 183 Operating time COS51D 184 Operating time COS22D Operation above second Only amperometric sensors sensor specific limit specified nA value Warning limit Factory setting Diagnostics code and associated message text 1000
42. al value can be between 1 minute and 7 ays Factory setting Example You have set the value 01 00 00 Each 01 00 00 day the cleaning cycle starts at the same time you started the first cleaning cycle Endress Hauser 85 Additional functions 86 Path Menu Setup Additional functions Cleaning Liquiline CM442 Function Options Info Hold behavior Options Decide whether there should be a hold for the On assigned sensor during the cleaning process Off Factory setting Off Output selection Goes to the Outputs menu You can assign the cleaning program directly to one or more outputs gt Outputs section gt Start cyclic Action Start the cyclical cleaning process with the settings above gt Start manually Action Start an individual cleaning process If cyclical cleaning is enabled there are times in which it is not possible to manually start the process gt Stop Action End the cleaning process cyclically or manually State of cleaning Read only Indicates whether cleaning is currently taking place or no Time to next clean Read only Countdown to the next cleaning process only if cyclical cleaning has been started Endress Hauser Liquiline CM442 Data administration 10 Data administration 10 1 Firmware update Please contact your local sales office for information on firmware updates available for your controller and its compatibility with earlier
43. alibration interval for the sensor here Once the time configured elapses the Calibration timer diagnostics message appears on the display E The timer is reset automatically if you recalibrate the sensor Path Menu Setup Inputs Calib settings Function Options Info Calibration timer Options Switches the function on or off Off On Factory setting Off Calibration timer 1 to 10000 h Specify the time after which the timer should have ee eee Te timed out Once this time has elapsed the Sensor Calibration ner On Factory setting check diagnostics message along with the code 1000 h 102 appears on the display Calib expiration date Options The function checks whether the calibration of a Off sensor is still valid On Example You install a precalibrated sensor The Factory settin function checks how much time has elapsed since Off y g the sensor was last calibrated A diagnostics message is displayed if the time since the last calibration is longer than the prespecified warning and alarm limit gt Calib expiration date Warning limit 1 to 12 months Diagnostics message 105 Sensor check Factory setting Warning and alarm limits mutually affect each 11 months other s possible ranges for adjustment Alarm limit 1 to 12 months Diagnostics message 104 Sensor check Factory setting General rule 12 months Alarm limit gt warning limit 40 Endress Hauser Liquiline CM442 Inputs Oxygen
44. amur M which you have individually assigned to the relay Namur sS are output via the relay ae Namur M F f you decided to use one of the Namur classes all Factory setting he messages that are assigned to the individual Normal class are output via the relay You can also change the Namur class assignment or every diagnostics message Menu Setup General settings Diagnostics Device behavior or Menu Setup Inputs Diag settings Diag behavior Attributed diagnostic messages Read only All the messages assigned to the relay output appear Operating mode Normal List of diagnostic messages on the display You do not have the option of editing the information here 8 2 4 Outputting the status of a cleaning function Function Cleaning Function Options Info Assignment Options Here you can specify how a cleaning function a None should be displayed for the alarm relay Cleaning T Water You can define the cleaning programs under Cleaning 2 Water F Menu Setup Additional functions Cleaning Cleaning 3 Water Cleaning 4 Water Factory setting None Endress Hauser Liquiline CM442 9 Additional functions 9 1 Limit switch There are different ways of configuring a limit switch m Assigning a switch on and switch off point m Assigning a switch on and switch off delay for a relay Setting an alarm threshold and also outputting an error message a Starting a cleaning fun
45. an define the cleaning programs under Cleaning 2 Menu Setup Additional functions Cleaning Cleaning 3 Cleaning 4 Factory setting None Info Read only Here you can find more information on the diagnostic message and instructions on how to resolve the problem Endress Hauser 19 Inputs pH ORP 20 3 7 Tag control Liquiline CM442 Tag stands for the name of a measuring point and is used in many areas of process measuring technology Path Menu Setup Inputs Function Options Info gt Tag control Additional information on the display tag control currently used Operating mode Options Off Of No tag control all sensors are accepted a Tag Tag Tag group Only sensors with the same tag are accepted Tag group pad setting Only sensors in the same tag group are accepted Tag group Customized text Enter the tag name The controller checks every Factory setting EH_CM44_ sensor to be connected as to whether this sensor belongs to the measuring point and only accepts the sensors that have the same tag 3 8 Sensor input factory setting Here you can restore the factory settings for the sensor input For this purpose simply press the navigator button and select OK when the prompt for the device software appears Only the factory settings for this particular input are restored All other settings remain unchanged Endress Hauser Liquiline CM442 Inputs Conductivity
46. an specify the calibration interval for the sensor here Once the time configured elapses the Calibration timer diagnostics message appears on the display E The timer is reset automatically if you recalibrate the sensor Path Menu Setup Inputs Calib settings Function Options Info Calibration timer Options Switches the function on or off Off a On Factory setting Off Calibration timer 1 to 10000 h Specify the time after which the timer should have AA de iri A timed out Once this time has elapsed the Sensor CHOSE CREER Factory setting check diagnostics message along with the code 1000 h 102 appears on the display Calib expiration date Options The function checks whether the calibration of a Off sensor is still valid On Example You install a precalibrated sensor The Pacom settii function checks how much time has elapsed since off ry 8 the sensor was last calibrated A diagnostics message is displayed if the time since the last calibration is longer than the predefined warning and alarm limit gt Calib expiration date Warning limit 1 to 12 months Factory setting 11 months Diagnostics message 105 Sensor check Warning and alarm limits mutually affect each other s possible ranges for adjustment Alarm limit 1 to 12 months Factory setting 12 months Diagnostics message 104 Sensor check General rule Alarm limit gt warning limit Endress Hauser
47. ath Menu Setup Inputs Conductivity Function Options Info Conc Table Options Concentration tables saved at the factory Operating m NaOH 0 15 NaOH 0 to 15 0 to 100 C mode Concentration m NaOH 18 50 NaOH 18 to 50 0 to 100 C HCl HCI 0 to 20 O to 80 C a HNO3 HNO3 0 to 25 0 to 90 C H2S04 0 30 H SO 0 to 30 0 to 100 C m H2S04 32 84 H SO 32 to 84 0 to 100 C a H3PO4 H3PO 0 to 15 0 to 90 C User table 1 m User table 2 User table 3 m User table 4 Factory setting NaOH 0 15 Temp comp mode Options Only select without temp comp in very small Operating mode Concentration with temp comp without temp comp Factory setting with temp comp temperature ranges In all other cases select with temp comp Table name Conc Table one of the user tables Customized text 16 characters Assign a meaningful name to the selected table gt Edit table Conc Table one of the user tables 3 column table Assign conductivity and concentration value pairs for a specific temperature Conc unit Operating mode Concentration Read only This is for information purposes only No options are available Endress Hauser Liquiline Endress H CM442 Example of a concentration table Inputs Conductivity Conductivity Concentration Temperature uncompensated 1 000 mS cm 0
48. bration expiration date You can specify the calibration interval for the sensor here Once the time configured elapses the Calibration timer diagnostics message appears on the display E The timer is reset automatically if you recalibrate the sensor Path Menu Setup Inputs Calib settings Function Options Info Calibration timer Options Switches the function on or off Off On Factory setting Off Calibration timer 1 to 10000 h Specify the time after which the timer should have AAA timed out Once this time has elapsed the Sensor Cal ratonumer ton Factory setting check diagnostics message along with the code 1000 h 102 appears on the display Calib expiration date Options The function checks whether the calibration of a Off sensor is still valid On Example You install a precalibrated sensor The Factory settin function checks how much time has elapsed since Off ry 8 the sensor was last calibrated A diagnostics message is displayed if the time since the last calibration is longer than the prespecified warning and alarm limit gt Calib expiration date 62 Endress Hauser Liquiline CM442 Path Menu Setup Inputs Calib settings Inputs Nitrate Function Options Info Warning limit Factory setting Diagnostics message 105 Sensor check Monts Warning and alarm limits mutually affect each other s possible ranges for adjustment Alarm limit Factory settin
49. ct the input selected Function Options Info Sensor type Options The function is only available if you have not None connected a sensor to the input in question ria ey You can select a sensor from the list and configure a pH Class ph the settings for the sensor type without connecting pH ISFET the sensor Condc Condi ORP Turbidity Nitrate Factory setting None lt Parameter gt If no sensor is connected depending on which sensor has been selected The selected sensor type is displayed If a sensor is connected The user enters the menu directly A If you are configuring the settings for an input without a sensor being connected all the subsequent functions move down one hierarchical level Channel Options On On The channel display is switched on in the Of measuring mode Factory setting oF O The channel is not displayed in the measuring n a mode regardless of whether a sensor is connected or not Temperature format Options Select how many decimal places should be used to a display the temperature n HAH Factory setting HH Sensor type Read only Connected sensor type Only available if a sensor is Order code Order code of the connected sensor connected Endress Hauser Liquiline CM442 Inputs Turbidity and solids Path Menu Setup Inputs Function Options Info Depending on the input 0 to 60s The damping causes a floating average curve of t
50. cted a sensor to the input in question ria ey You can select a sensor from the list and configure a pH Class ph the settings for the sensor type without connecting pH ISFET the sensor Condc Condi ORP Turbidity Nitrate Factory setting None lt Parameter gt If no sensor is connected depending on which sensor has been selected The selected sensor type is displayed If a sensor is connected The user enters the menu directly A If you are configuring the settings for an input without a sensor being connected all the subsequent functions move down one hierarchical level Channel Options On On The channel display is switched on in the Of measuring mode Factory setting oF O The channel is not displayed in the measuring n a mode regardless of whether a sensor is connected or not Temperature format Options Select how many decimal places should be used to a display the temperature n HAH Factory setting HH Sensor type Read only Connected sensor type Only available if a sensor is Order code Order code of the connected sensor connected Endress Hauser Liquiline CM442 Inputs Nitrate Path Menu Setup Inputs Function Options Info Depending on the input 0 to 60s The damping causes a floating average curve of the Damping pH or Factory settin measured values over the time specified Damping ORP or 0s ry 8 Damping Cond or Damping turbidity or Damping nitrate
51. ction Path Menu Setup Additional functions Limit switches Additional functions Function Options Info gt Limit switches 1 to 8 Select the limit switch to be configured The submenus are then identical for every switch Source of data Options Specify the input or output which should be the Connected sensors Controllers available source of data for the limit switch Factory setting None Measured value Options The measured value you can select depends on the None option selected under Source of data Depends on the Source of data Factory setting None Measured value depending on the Source of data Source of data Measured value pH Glass Options pH ISFET Raw value mV pH Temperature ORP Options Temperature m ORP mV m ORP Oxygen amp Options Oxygen opt Temperature Partial pressure Saturation Concentration liquid Raw value nA only Oxygen amp Raw value us only Oxygen opt Endress Hauser 77 Additional functions 78 Measured value depending on the Source of data Liquiline CM442 Source of data Measured value Cond i Options Cond c Temperature Conductivity m Resistance Turbidity Options Temperature Turbidity g l Turbidity FNU Nitrate Options Temperature a NO3 a NO3 N Controller 1 Options Controller 2
52. e limit Warning limit Factory setting Diagnostics code and associated message text 10000 h 934 Process temp Operation below specified turbidity limit Warning limit Factory setting Diagnostics code and associated message text 10000 h 943 Process value Operation above specified turbidity limit Warning limit Factory setting Diagnostics code and associated message text 10000 h 942 Process value Endress Hauser Liquiline CM442 Inputs Nitrate Path Menu Setup Inputs Diag settings Function Options Info gt Filter change Only for nitrate sensor Warning limit Factory setting Diagnostics code and associated message text 10000 h 157 Filter change 7 5 2 Process check system The process check system PCS checks the measuring signal for stagnation An alarm is triggered if the measuring signal does not change over a certain period several measured values 20013107 20013106 Fig 16 Normal measuring signal no alarm Fig 17 Stagnating signal alarm is triggered y Measuring signal ty Set value for Duration Yr Set value for Tolerancewidth ty Time when the alarm is triggered The main causes of stagnating measured values are Contaminated sensor or sensor in air Sensor failure m Process error e g through control system Remedial action 1 Clean the sensor 2 Check the measuring chain 3 Switch off the controller and switch it back on again
53. e on value is exceeded Limit value 2 m Ifthe measured values are decreasing the relay contact is reset when the off value is undershot Limit value 2 Operating mode Above limit check or Below limit check Range lower value Range of adjustment and factory setting Depends on the measured value Range upper value 1 2 Hysteresis and the start delay has elapsed Start delay Ifthe measured values are increasing the relay contact is closed when the on value is exceeded Range lower value Ifthe measured values are decreasing the relay contact is reset when the off value is undershot Range upper value 2 Hysteresis and following the release delay Release delay Operating mode In range check or Out of range check Hysteresis Range of adjustment and The hysteresis is the difference between the factory setting switch on point and the switch off point if values Depends on the measured which cause the limit switch to pick up become value closer or move further apart It is needed to ensure a stable switching behavior Start delay 0 to 9999 s Synonyms pick up and drop out delay Release delay en setting Delta value Range of adjustment and Operating mode Change rate factory setting Depends on the measured value Delta time 00 01 to 23 59 Factory setting 01 00 00 01 to 23 59 Factory setting 00 01 Auto Confirm Endress Hauser 79
54. ends on the operating conditions If you specify warning and alarm limits for operating times under extreme conditions you can guarantee the operation of your measuring point without any downtime by performing maintenance tasks in time Path Menu Setup Inputs Diag settings Function Options Info A The range of adjustment for the operating hours alarm and warning limits is generally 1 to 50000 h Limits operating hours Specify your limit values for monitoring the number of operating hours under extreme conditions Function Options On On The operation of the sensor under extreme Off conditions is monitored recorded in the sensor and Factory setting diagnostics messages are displayed on the Off controller Off No diagnostics messages However the time the sensor operates under extreme conditions is recorded in the sensor and can be read in the sensor information in the diagnostics menu gt Operating time Total operating time of the sensor Warning limit Factory setting Diagnostics code and associated message text 10000 h 199 Operating time D Operation below specified temperature limit specified here The names of the menu functions in brackets depend on the sensor specification For this reason they cannot be Warning limit Factory setting Diagnostics code and associated message text 10000 h 935 Process temp Operation above specified temperatur
55. er a certain period several measured values YA YA 20013107 20013106 Fig 14 Normal measuring signal no alarm Fig 15 Stagnating signal alarm is triggered y Measuring signal tp Set value for Duration Vr Set value for Tolerancewidth ty Time when the alarm is triggered The main causes of stagnating measured values are Contaminated sensor or sensor in air Sensor failure m Process error e g through control system Remedial action 1 Clean the sensor 2 Check the measuring chain 3 Switch off the controller and switch it back on again Path Menu Setup Inputs Diag settings Function Options Info gt Process Check System Diagnostics code and associated message text 904 Process check Function Options On Off Factory setting On Duration 1 to 240 min The measured value must change during this time Factory setting Otherwise the error message is triggered 60 min Endress Hauser Liquiline CM442 Path Menu Setup Inputs Diag settings Inputs Turbidity and solids Function Options Info Tolerancewidth not available with pH Redox 0 01 to 20 Factory setting 0 05 Interval around the measuring signal raw value for detecting stagnation Measured values within the set interval are regarded as stagnating 6 5 3 Diagnostic behavior This branch along with the same functions can be found in various part
56. g Diagnostics message 104 Sensor check 12 months General rule Alarm limit gt warning limit 7 4 2 Stability criteria You define the permitted measured value fluctuation which must not be exceeded in a certain timeframe during calibration Ifthe permitted difference is exceeded calibration is not permitted and is aborted automatically Path Menu Setup Inputs Calib settings Function Options Info gt Stability criteria Delta nitrate 0 1 to 5 0 Permitted measured value fluctuation during calibration Factory setting 2 0 Delta temperature 0 10 to 2 00 C 0 18 to 3 60 F Factory setting 0 50 C 0 90 F Permitted temperature fluctuation during calibration Duration Oto 100s Factory setting 10s Timeframe within which the permitted range for measured value fluctuation should not be exceeded 7 5 Diagnostics settings This menu branch is used for specifying alarm and warning limits and for defining whether and how diagnostics tools should be used The associated diagnostics code is displayed for every setting 7 5 1 Limits operating hours The total operating time of the sensor and its use under extreme conditions is monitored If the operating time exceeds the defined threshold values the device issues a corresponding warning or alarm Endress Hauser 63 Inputs Nitrate 64 Liquiline CM442 Each sensor has a limited life expectancy which heavily dep
57. h the duty Operating mode PWM 999 0 s cycle should be varied only PWM Factory setting 10 0 s a The settings for Cycle duration and Shortest turn on time mutually affect one another The following applies Cycle duration gt Shortest turn on time Shortest turn on time 0 3 s Cycle duration Pulses that are shorter than this limit value are not Operating mode PWM Factory setting output in order to conserve the actuator 0 3 s Maximumfrequency 1 to 180 min Maximum number of pulses per minute Operating mode PEM Factory setting The pl calculates the pulse duration based 60 min on this setting 8 2 3 Outputting diagnostics messages via the relay You can output two categories of diagnostics messages via the relay 1 Diagnostics messages from one of the 4 Namur classes gt BA445C Maintenance amp Diagnostics for more information on the Namur classes 2 Diagnostics messages which you have individually assigned to the relay output A message is individually assigned to the relay output at 2 specific points in the menu Menu Setup General settings Diagnostics Device behavior device specific messages Menu Setup Inputs Diag settings Diag behavior sensor specific messages Endress Hauser 75 Outputs 76 Function Diagnostics Liquiline CM442 Function Options Info Operating mode Options Normal Normal f this option is selected the diagnostics messages N
58. he Damping pH or Factory settin measured values over the time specified Damping ORP or 0s ry 8 Damping Cond or Damping turbidity or Damping nitrate or Damping DO Damping temp 0 to 60s Factory setting Os 6 2 Application and main measured value a Calibration data records are saved under an individual name in the turbidity sensor A new sensor is calibrated at the factory and thus already has appropriate data records You can add your own data records during each calibration These are then available for selection under Application Path Menu Setup Inputs Turbidity Function Options Info Application type Options Preselection for saved calibration data records Clear water Solid Factory setting Clear water Application Options Select a saved calibration data record Formacin Kaolin SiO2 TiO2 Primary sludge Digest sludge Activ sludge The options and the factory setting depend on the setting in Application type Factory setting Formacin or Primary sludge Endress Hauser 51 Inputs Turbidity and solids 52 Path Menu Setup Inputs Turbidity Liquiline CM442 Function Options Info Unit Options Application Formacin a FNU a NTU Options All apart from Formacin m g l ppm Factory setting FNU g l Select the unit for the main measured value Main value format Options a m HAE n HHHH n Factory setting
59. he system counts the number of operating hours in which the sensor is exposed to a temperature that is typical for a sterilization This temperature depends on the sensor Path Menu Setup Inputs Diag settings Function Options Info gt Sterilizations 0 to 99 Specify the limit values for the number of sensor sterilizations Function Options On Off Factory setting Off Warning limit Factory setting Diagnostics code and associated message text 30 108 Sensor check Endress Hauser 31 Inputs Conductivity 32 4 8 4 Diagnostic behavior Liquiline CM442 Ey This branch along with the same functions can be found in various parts of the menu The list of diagnostic messages displayed depends on the path selected There are device specific messages and messages that depend on what sensor is connected Paths Menu Setup General settings Diagnostics or Menu Setup Inputs Diag settings Diag behavior Function Options Info List of diagnostic messages Select the message to be changed Diagnostic message Options You can deactivate or reactivate a diagnostic On message here Of Deactivating means Factory setting No error message in the measuring mode Depends on the message No error current at the current output Error class Options Maintenance M Out of specification S Function check C Failure F Factory setting Depends on the message The messages
60. ion Options Info Main value Options Concentration liquid Concentration gaseous Saturation Partial pressure Raw value nA Factory setting Concentration liquid Unit Main value Concentration liquid or Concentration gaseous Options Main value Concentration liquid mg l ul ppm ppb Options Main value Concentration gaseous a Vol ppmVol Main value Concentration gaseous Factory setting mg l Vol Endress Hauser Liquiline CM442 Inputs Oxygen 5 3 Medium compensation in the process Path Menu Setup Inputs DO Function Options Info Medium pressure Options m Process pressure m Air pressure Factory setting Air pressure Altitude Medium pressure Air pressure 300 to 4000 m Factory setting Om Air pressure or Medium pressure Medium pressure Air pressure 500 to 1200 hPa Medium pressure Process pressure 500 to 9999 hPa Factory setting 1013 hPa Enter the altitude or the average air pressure mutually dependent values If you specify the altitude the average air pressure is calculated from the barometric altitude formula and vice versa If you are compensating using the process pressure enter the pressure in your process here The pressure is then independent of the altitude Salinity 0 to 100 g kg Factory setting 0 g kg The influence of salt content on oxygen mea
61. me Total operating time of the sensor Warning limit Factory setting Diagnostics code and associated message text 10000 h 199 Operating time gt Operation gt 80 C Warning limit Factory setting 10000 h Diagnostics code and associated message text 193 Operating time Endress Hauser Liquiline CM442 Inputs Conductivity Path Menu Setup Inputs Diag settings Function Options Info gt Operation gt 120 C Only conductive sensors Warning limi Factory setting Diagnostics code and associated message text 10000 h 95 Operating time gt Operation gt 125 C Only inductive sensors Warning limi Factory setting Diagnostics code and associated message text 10000 h 96 Operating time gt Operation gt 140 C Only conductive sensors Warning limi Factory setting Diagnostics code and associated message text 10000 h 97 Operating time gt Operation gt 150 C Only inductive sensors Warning limi Factory setting Diagnostics code and associated message text 10000 h 98 Operating time gt Operation gt 80 C lt Only conductive sensors 100nS cm Warning limit Factory setting Diagnostics code and associated message text 10000 h 87 Operating time gt Operation lt 5 C Only inductive sensors Warning limit Factory setting Diagnostics code and associated message text 10000 h 88 Operating time 4 8 3 Sterilizations T
62. multiple inputs in order to clean several sensors with just one cleaning unit for example Path Menu Setup Outputs Function Options Info D Alam relay or relay at channel No Function Options The following functions depend on the option Off selected LimitSwitch These versions are illustrated individually in the Controller following section to provide a clearer understanding Diagnostics of the options Cleaning Function Off switches off the relay function and Factory setting means no further settings are required Off 8 2 1 Outputting the status of a limit switch Function LimitSwitch Function Options Info Source of data Options Select the limit switch via which the status of the None relay is to be output Limit switch 1 The limit switches are configured in the Limit switch 2 Setup Additional functions Limit switches menu Limit switch 3 Limit switch 4 Limit switch 5 Limit switch 6 Limit switch 7 Limit switch 8 Factory setting None Endress Hauser Liquiline CM442 Outputs 8 2 2 Outputting the manipulated variable of a controller To output a controller manipulated variable via a relay the relay is modulated The relay is energized pulse t and is then de energized interval to Function Controller Controller 1 Controller 2 Factory setting None Function Options Info Source of data Options Select the controller that sh
63. name you will be asked whether you want to overwrite the existing setup Select OK to confirm or cancel the action and give the file a new name ARSS gt Your setup is stored on the SD card and you can upload it quickly to the device at a later date Endress Hauser 87 Data administration Liquiline CM442 10 3 Loading the setup You can load a setup you have saved quickly and easily 1 Insert the SD card into the controller card reader 2 Goto Menu Setup Data management Load setup gt A list of all the setups on the SD card is displayed 3 Select the desired setup The device then displays the following message The current parameters will be overwritten and the device will reboot Do you want to proceed 4 Select OK to confirm or cancel the action gt The desired setup is restored after restarting the device 88 Endress Hauser Liquiline CM442 Index A Additional functions Cleaning programs 85 Controller ie s siennes 80 ETE SWALCH 4 serch ae 77 Alarm relay Cleaning tits 76 Controller 2 4 sir sans lated 73 Diagnostics message 75 A a 72 C Calibration settings Niate ains oe Meee us 62 OXYGENS a O tante herein 39 P ORP a aoaaa E i 9 Turpidity s siats Rae en a a ae aie e 53 Calibration timer 11 40 53 62 Calibrations Caps cda ere 46 Cap Galibrations sis ra A 46 Sterilization Aa ral aid 47 Celco ia a Res
64. nder extreme conditions is recorded in the sensor and can be read in the sensor information in the diagnostics menu gt Operating time Total operating time of the sensor Warning limit Factory setting Diagnostics code and associated message text 10000 h 199 Operating time Operation below specified temperature limit a The names of the menu functions in brackets depend on the sensor specification For this reason they cannot be specified here Warning limit Factory setting Diagnostics code and associated message text 10000 h 935 Process temp Operation above specified temperature limit Warning limit Factory setting Diagnostics code and associated message text 10000 h 934 Process temp p Operation below specified urbidity limit Warning limit Factory setting Diagnostics code and associated message text 10000 h 943 Process value gt Operation above specified urbidity limit Warning limit Factory setting Diagnostics code and associated message text 10000 h 942 Process value gt Filter change Only for nitrate sensor Warning limit Factory setting Diagnostics code and associated message text 10000 h 157 Filter change Endress Hauser 55 Inputs Turbidity and solids Liquiline CM442 56 6 5 2 Process check system The process check system PCS checks the measuring signal for stagnation An alarm is riggered if the measuring signal does not change ov
65. ng mode to Normal gt BA450C Operation amp configuration a One alarm relay is always available regardless of the device version Other relays are optional Endress Hauser 57 Inputs Turbidity and solids Liquiline CM442 Paths Menu Setup General settings Diagnostics or Menu Setup Inputs Diag settings Diag behavior Function Options Info Cleaning program Options Decide whether the diagnostic message should None trigger a cleaning program Cleaning 1 You can define the cleaning programs under Cleaning 2 Menu Setup Additional functions Cleaning Cleaning 3 Cleaning 4 Factory setting None Info Read only Here you can find more information on the diagnostic message and instructions on how to resolve the problem 6 6 Tag control Tag stands for the name of a measuring point and is used in many areas of process measuring technology Path Menu Setup Inputs Function Options Info gt Tag control Additional information on the display tag control currently used Operating mode Options Off Off No tag control all sensors are accepted a Tag Tag Tag group Only sensors with the same tag are accepted P Tag group eii setting Only sensors in the same tag group are accepted Tag group Customized text Enter the tag name The controller checks every Factory s tt n sensor to be connected as to whether this sensor EH n 44 8 belongs to the measuring poin
66. nnected a sensor to the input in question E Pe ie You can select a sensor from the list and configure z pH Clase pr the settings for the sensor type without connecting pH ISFET the sensor Condc Condi ORP Turbidity Nitrate Factory setting None lt Parameter gt If no sensor is connected depending on which sensor has been selected The selected sensor type is displayed If a sensor is connected The user enters the menu directly If you are configuring the settings for an input without a sensor being connected all the subsequent functions move down one hierarchical level Channel Options On On The channel display is switched on in the Off measuring mode Factory setting OF On The channel is not displayed in the measuring mode regardless of whether a sensor is connected or not Sensor type Read only Connected sensor type Only available if a sensor is Order code Order code of the connected sensor connected Endress Hauser Liquiline CM442 Path Menu Setup Inputs Inputs pH ORP Function Options Info Main value Options pH only pH sensor mV only ORP sensor Factory setting pH pH sensor mV ORP sensor Select the unit for the main measured value Depending on the input 0 to 60s Damping pH or a Damping ORP or es setting Damping Cond or Damping turbidity or Damping nitrate or Damping DO Damping temp 0 to 60s F
67. on on the diagnostic message and instructions on how to resolve the problem 7 6 Tag control Tag stands for the name of a measuring point and is used in many areas of process measuring technology Path Menu Setup Inputs Function Options Info gt Tag control Additional information on the display tag control currently used Operating mode Options Off Off No tag control all sensors are accepted Tag Tag Tag group Only sensors with the same tag are accepted A Tag group oe setting Only sensors in the same tag group are accepted Tag group Customized text Enter the tag name The controller checks every Factor seta sensor to be connected as to whether this sensor ry 8 belongs to the measuring point and only accepts EH_CM44_ the sensors that have the same tag Endress Hauser 67 Inputs Nitrate Liquiline CM442 7 7 Sensor input factory setting Here you can restore the factory settings for the sensor input For this purpose simply press the navigator button and select OK when the prompt for the device software appears Only the factory settings for this particular input are restored All other settings remain unchanged 7 8 Sensor factory setting Here you can restore the sensor factory settings For this purpose simply press the navigator button and select OK when the prompt for the device software appears Only the factory settings for the sensor are restored The settings
68. operating hours alarm and warning limits is generally 1 to 50000 h Function Options On On The operation of the sensor under extreme Off conditions is monitored recorded in the sensor and Factory setting diagnostics messages are displayed on the On controller Off No diagnostics messages However the time the sensor operates under extreme conditions is recorded in the sensor and can be read in the sensor information in the diagnostics menu gt Operating time Total operating time of the sensor Warning limi Factory setting Diagnostics code and associated message text 0000 h 199 Operating time gt Operation gt 80 C Warning limi Factory setting Diagnostics code and associated message text 0000 h 193 Operating time Operation gt 100 C Warning limi Factory setting Diagnostics code and associated message text 0000 h 194 Operating time Endress Hauser Liquiline CM442 Inputs pH ORP Path Menu Setup Inputs Diag settings Function Options Info gt Operation lt 300 mV only pH Warning limit Factory setting Diagnostics code and associated message text 10000 h 180 Operating time gt Operation gt 300 mV only pH Warning limit Factory setting Diagnostics code and associated message text 10000 h 179 Operating time 3 6 8 Delta slope only pH The device determines the difference in slope between the last calibration
69. or Damping DO Damping temp 0 to 60s Factory setting Os 7 2 Application and main measured value a Calibration data records are saved under an individual name in the nitrate sensor A new sensor is calibrated at the factory and always has a corresponding data record You can add additional data records during each calibration These are then available for selection under Application Path Menu Setup Inputs Nitrate Function Options Info Application Depends on the sensor Select a saved calibration data record Unit Options Select the unit for the main measured value mg l NO3 N mg l NO3 ppm NO3 N ppm NO3 Factory setting mg l NO3 N Main value format Options Specify the number of decimal places n m HAH a HHHH a Factory setting Endress Hauser 61 Inputs Nitrate 7 3 Cleaning Path Menu Setup Inputs lt Parameter gt depends on input Liquiline CM442 Function Options Info Cleaning Options Select a cleaning program m None z This program is executed if Cleaning 1 z 3 i A diagnostics message is present at the channel Cleaning 2 and meio A cleaning process has been specified for this 8 message gt Inputs Diag settings Diag Factory setting behavior None a You define the cleaning programs in the Setup Additional functions Cleaning menu 7 4 Calibration settings 7 4 1 Calibration timer and cali
70. ould act as the data None source Operating mode Options a PWM PFM Factory setting PWM PWM pulse width modulation PFM pulse frequency modulation Endress Hauser 73 Outputs Liquiline CM442 Types of modulation 1 PWM pulse width modulation The duty cycle is varied within a period T T t t The cycle duration remains constant py 4 T 10 50 100 1 High 0 Low 4 0 T 2T 3T Typical application solenoid valve 2 PFM pulse frequency modulation Here pulses of a constant length t are output and the interval between the pulses varies t At a maximum frequency t to y ue Trin T 00 50 20 1 High 0 Low T 2T 3T Typical application dosing pump Function Controller Function Options Info Actuator type Options Here you specify what part of the controller should None power the relay Unipolar is the part of the Unipolar manipulated variable which the controller uses to Unipolar increase the process value e g for heating purposes On the other hand select Unipolar if Cra setting you want to connect an actuator to the relay that causes the controlled variable to drop e g for cooling purposes 74 Endress Hauser Liquiline CM442 Outputs Function Controller Function Options Info Cycle duration Shortest turn on time Specify the cycle duration within whic
71. out this manual Information on sensors with the Memosens protocol 5 Inputs pH ORP 6 Sensor identification and damping 6 Temperature and medium compensation only DEL aac Aisha ae mL AN octets ean 7 Main value and temperature format 8 Gleaniig sas res nieto 8 Calibration settings 9 Diagnostics settings 12 TaD CONtrOl di 20 Sensor input factory setting 20 Inputs Conductivity 21 Temperature format sensor identification and damping ica baie rade ates 21 Operating mode and cell constant 22 Installation factor only inductive sensors 23 Concentration table only inductive SENSOTS Pine LR As 24 Main measured value and unit 25 Temperature compensation 26 Cleaning ss ic er les tt does 28 Diagnostics settings 29 EN A A M eal ae 33 Sensor input factory setting 34 Sensor factory setting CLS50D only 34 Inputs Oxygen 35 Temperature format sensor identification and Campin Precis NS Se 35 Main Value rss ed sere pietosa a 36 Medium compensation in the process 37 Polarization voltage only amperometric SENSOTS etica ss 37 AA ued uae ER se an 38 Calibration settings 39 Diagnostics settings 41 A nn teen 48 Sensor input factory setting 49 Endress Hauser 5 10 6 6 1 6 2 6 3 6 4 6 5 6 6
72. perature format Options Select how many decimal places should be used to n display the temperature n HHH Factory setting HA Sensor type Read only Connected sensor type Only available if a sensor is Order code connected Order code of the connected sensor Endress Hauser 21 Inputs Conductivity Path Menu Setup Inputs Liquiline CM442 Function Options Info Depending on the input 0 to 60s The damping causes a floating average curve of the Damping pH or Factory settin measured values over the time specified Damping ORP or Oe ry 8 Damping Cond or Damping turbidity or Damping nitrate or Damping DO Damping temp 0 to 60s Factory setting Os 4 2 Operating mode and cell constant Path Menu Setup Inputs Conductivity Function Options Info Operating mode Options Conductivity m Resistance Alternatively to the conductivity you can also measure the resistivity with a conductive conductivity sensor only Cond c Alternatively to the conductivity you can Concentration determine the concentration of the medium with only Cond i an inductive conductivity sensor Factory setting Conductivity Cell constant Read only The cell constant of the connected sensor is Only available if a sensor is connected displayed gt sensor certificate 22 Endress Hauser Liquiline CM442 Inputs Conductivity 4 3 Installation factor only inductive sensors
73. perometric sensors The device determines the difference between the last calibration and the penultimate calibration and issues a warning or an alarm depending on the setting configured The difference is an indicator for the condition of the sensor Increasing differences indicate the formation of buildup on the cathode Clean the cathode as specified in the instructions in the sensor operating manual Path Menu Setup Inputs Diag settings Function Options Info Delta zeropoint 0 0 to 10 nA Specify your limit values for monitoring the zero point differential Function Options On Off Factory setting On Warning limit Factory setting Diagnostics code and associated message text 2 0 nA 520 Sensor calib Alarm limit Factory setting Diagnostics code and associated message text 1 0 nA 519 Sensor calib 5 7 7 Sterilizations only sterilizable sensors The system counts the number of operating hours in which the sensor is exposed to a temperature that is typical for a sterilization This temperature depends on the sensor Endress Hauser 45 Inputs Oxygen 46 Path Menu Setup Inputs Diag settings Liquiline CM442 Function Options Info gt Sterilizations 0 to 99 Specify the limit values for the number of sensor sterilizations Function Options On a Off Factory setting Off Warning limit Factory setting Diagnostics code and associated message text 30 108 Sensor check
74. ption of the following menus is provided here Inputs Input configuration Split into separate sections based on the different types of sensor that can be connected Some submenus are identical for all sensor types These submenus are repeated in each input specific section to make sure you can find the information you need quickly and easily Outputs Output configuration Split into separate sections based on the different output types Additional functions Settings for alarm sensors and controllers Cleaning program configuration Data management Firmware updates Saving and loading configurations This manual does not include the following Setup General settings gt Operating Instructions BA444C Commissioning Display Operation gt Operating Instructions BA444C Commissioning Calibration gt Operating Instructions BA451C Calibration Diagnostics gt Operating Instructions BA445C Maintenance amp Diagnostics m Expert gt Internal Service Manual 4 Endress Hauser Liquiline CM442 Information on sensors with the Memosens protocol 2 Information on sensors with the Memosens protocol Sensors with the Memosens protocol have integrated electronics that save calibration data and other information The sensor data are automatically communicated to the transmitter when the sensor is connected and are used to calculate the measured value Data digital sensors save include
75. puts Conductivity Liquiline CM442 34 4 10 Sensor input factory setting Here you can restore the factory settings for the sensor input For this purpose simply press the navigator button and select OK when the prompt for the device software appears Only the factory settings for this particular input are restored All other settings remain unchanged 4 11 Sensor factory setting CLS50D only Here you can restore the sensor factory settings For this purpose simply press the navigator button and select OK when the prompt for the device software appears Only the factory settings for the sensor are restored The settings for the input remain unchanged Endress Hauser Liquiline CM442 Inputs Oxygen 5 Inputs Oxygen Enter the Inputs menu 1 Select Menu Setup Inputs 2 Navigate to an input channel to which an oxygen sensor is connected 3 Press the navigator button to configure the input 5 1 Temperature format sensor identification and damping E The following functions are available for every input The description below is always the same However any settings you make always individually affect the input selected Path Menu Setup Inputs Function Options Info Sensor type Options The function is only available if you have not None connected a sensor to the input in question Oxygen amp You can select a sensor from the list and configure Oxygen opt pH Glass the settings for the
76. re 50 0 to 250 0 C Enter the temperature of your medium Temp source Manual 58 0 to 482 0 F Factory setting 25 0 C 77 F auser 25 Inputs Conductivity 26 4 6 Temperature compensation Liquiline CM442 Temperature coefficient change in the conductivity per degree of temperature change K T x To 1 QT To T conductivity at process temperature T x To conductivity at reference temperature To The temperature coefficient depends both on the chemical composition of the solution and the temperature itself Path Menu Setup Inputs Conductivity Function Options Info Compensation Operating mode Conductivity Options m None Linear NaCl IEC 746 3 m Water ISO7888 a UPW NaCl a UPW HCl m User table 1 m User table 2 m User table 3 m User table 4 Factory setting Linear Linear temperature compensation The change between two temperature points is taken to be constant i e const The value for alpha is stored in the sensor and is recalculated for each calibration You already specified the related reference temperature in this menu Various methods are available to compensate for the temperature dependency Depending on your process decide which type of compensation you want to use Alternatively you can also select None and thus measure uncompensated conductivity Endress Hauser Liquiline CM442 Inputs Conduc
77. s of the menu The list of diagnostic messages displayed depends on the path selected There are device specific messages and messages that depend on what sensor is connected Paths Menu Setup General settings Diagnostics or Menu Setup Inputs Diag settings Diag behavior Function Options Info List of diagnostic messages Select the message to be changed Diagnostic message Options You can deactivate or reactivate a diagnostic On message here aon Deactivating means Factory setting m No error message in the measuring mode Depends on the message No error current at the current output Error class Options The messages are divided into different error classes Maintenance M in accordance with NAMUR NE 107 Out of specification S gt BA445C Maintenance amp diagnostics Function check C Failure F Factory setting Depends on the message Error current Options Decide whether an error current should be output On at the current output if the diagnostic message Off display is activated Factory setting Depends on the message Diag output Options You can use this function to select an output to m None which the diagnostic message should be assigned Alarm relay a Relay 1 to n depends on the device version Factory setting None You first have to configure a relay output before being able to assign the message to an output Menu Setup Outputs assign Diagnostics function and set Operati
78. se of optical sensors Delta temperature 0 10 to 2 00 C 0 18 to 3 60 F Factory setting 0 50 C 0 90 F Permitted temperature fluctuation during calibration Duration 10 to 60s Factory setting 20s Timeframe within which the permitted range for measured value fluctuation should not be exceeded 5 6 2 Medium compensation during calibration Path Menu Setup Inputs DO Calib settings Function Options Info Medium pressure Options m Process pressure m Air pressure Air pressure or Medium pressure Medium pressure Air pressure 500 to 1200 hPa Medium pressure Process pressure 500 to 9999 hPa Factory setting 1013 hPa Factory setting Air pressure Altitude 300 to 4000 m Enter the altitude or the average air pressure A h mutually dependent values Medium P hessure Air Factory setting If you specify the altitude the average air pressure pressure Om is calculated from the barometric altitude formula and vice versa If you are compensating using the process pressure enter the pressure in your process here The pressure is then independent of the altitude Endress Hauser 39 Inputs Oxygen Liquiline CM442 Path Menu Setup Inputs DO Calib settings Function Options Info Rel hum air variable 0 to 100 Factory setting 100 5 6 3 Calibration timer and calibration expiration date You can specify the c
79. sensor type without connecting pH ISFET the sensor Condc Condi m ORP Turbidity Nitrate Factory setting None lt Parameter gt If no sensor is connected depending on which sensor has The selected sensor type is displayed been selected If a sensor is connected The user enters the menu directly A If you are configuring the settings for an input without a sensor being connected all the subsequent functions move down one hierarchical level Channel Options On On The channel display is switched on in the Off measuring mode Factory setting of On The channel is not displayed in the measuring mode regardless of whether a sensor is connected or not Temperature format Options Select how many decimal places should be used to n display the temperature n HHH Factory setting HA Sensor type Read only Connected sensor type Only available if a sensor is Order code connected Order code of the connected sensor Endress Hauser 35 Inputs Oxygen 36 Path Menu Setup Inputs Liquiline CM442 Function Options Info Depending on the input 0 to 60s The damping causes a floating average curve of the Damping pH or Factory settin measured values over the time specified Damping ORP or Os ry 8 Damping Cond or Damping turbidity or Damping nitrateor Damping DO Damping temp 0 to 60s Factory setting Os 5 2 Main value Path Menu Setup Inputs DO Funct
80. ss 515 Sensor calib pH ISFET Lower warning limit Factory setting pH 6 00 300 mV Associated diagnostics code and message text 507 Sensor calib pH glass 517 Sensor calib pH ISFET Lower alarm limit Factory setting pH 5 00 400 mV Associated diagnostics code and message text 506 Sensor calib pH glass 516 Sensor calib pH ISFE Endress Hauser Inputs pH ORP Liquiline CM442 3 6 4 Sensor condition check only pH glass Sensor condition check SCC monitors the electrode status and the degree of electrode aging The electrode status is updated after every calibration The main reasons for a deteriorating electrode status are Glass membrane blocked or dry Diaphragm reference blocked Remedial action 1 Clean or regenerate the sensor 2 Replace the sensor if this does not have the desired effect Path Menu Setup Inputs Diag settings Function Options Info gt Sensor Condition Check The function can only be switched on or off It uses internal limit values Function Options Diagnostics code and associated message text On 127 SCC sufficient Off 126 SCC bad Factory setting On 3 6 5 ORP Meas value only ORP You can specify limit values in order to monitor your process A diagnostics message is displayed if the limits are exceeded or undershot Path Menu Setup Inputs Diag settings
81. surement is compensated with this function Example sea water measurement as per Copenhagen Standard 30 g kg 5 4 Polarization voltage only amperometric sensors A polarization voltage between the anode and the cathode is applied at the cathode of the amperometric sensor This causes the oxygen dissolved in the electrolyte to be reduced selectively at the cathode Given a constant polarization voltage the electrical current resulting from the cathode and anode reaction is proportional to the concentration of oxygen You can configure the polarization voltage depending on the process If the polarization voltage is switched off you can achieve a longer sensor service life under extreme conditions Endress Hauser 37 Inputs Oxygen Path Menu Setup Inputs DO Liquiline CM442 Function Options Info gt Sensor pol voltage Polarization voltage of the sensor standard 650 mv Mode Options Of Off No polarization e g if temperatures are at a Internal sensor value constantly high level Setting up Internal sensor value Off at def temperature Factory setting Internal sensor value Polarization voltage saved in the sensor Setting up Other polarization voltage Off at def temperature No polarization above this temperature Sensor pol voltage Mode Setting up 0 to 750 mV Factory setting 650 mV Enter the desired polarization voltage Temperature Mode Off at def
82. t and only accepts the sensors that have the same tag 6 7 Sensor input factory setting Here you can restore the factory settings for the sensor input For this purpose simply press the navigator button and select OK when the prompt for the device software appears Only the factory settings for this particular input are restored All other settings remain unchanged 58 Endress Hauser Liquiline CM442 Inputs Turbidity and solids 6 8 Sensor factory setting Here you can restore the sensor factory settings For this purpose simply press the navigator button and select OK when the prompt for the device software appears Only the factory settings for the sensor are restored The settings for the input remain unchanged Endress Hauser 59 Inputs Nitrate 60 7 Inputs Nitrate Enter the Inputs menu 1 Select Menu Setup Inputs 2 Navigate to an input channel where a nitrate sensor is connected You cannot make some settings if the sensor is not connected 3 Press the navigator button to configure the input Liquiline CM442 7 1 Temperature format sensor identification and damping The following functions are available for every input The description below is always the same However any settings you make always Path Menu Setup Inputs individually affect the input selected Function Options Info Sensor type Options The function is only available if you have not None conne
83. t nr setting After a hold the control system starts from scratch and settling time takes place again 84 Endress Hauser Liquiline CM442 Additional functions Path Menu Setup Additional functions Controller 1 or Controller 2 Function Options Info DP Manual mode Simulation Options On On Makes it possible to manually output the Off manipulated variable i e the value configured for Y A is output as a manipulated variable manual mode Factory setting Off au The manipulated variable calculated by the controller is output Y 100 to 100 Editable manipulated variable which is output in the manual mode Factory setting 0 Y Actual output Read only Manipulated variable actually output Input manually for Simulation Off calculated by the controller for Simulation On Setpoint Read only Configured setpoint X Current measured value gt Output selection Goes to the Outputs menu gt Outputs section 9 3 Cleaning programs Path Menu Setup Additional functions Cleaning Function Options Info gt Cleaning 1 4 You can create 4 different cleaning programs Cleaning time 5 to 600 s Cleaning time Cleaning duration Factory setting The cleaning duration and interval depend on the 10s process and sensor Determine the variables empirically or based on experience Cleaning interval 00 00 01 to 07 00 00 DD hh mm n interv
84. the number of decimal places for displaying only pH a the main measured value m HAE Factory setting HH Temperature format Options Select how many decimal places should be used to n display the temperature m HAE Factory setting HH 3 4 Cleaning Path Menu Setup Inputs lt Parameter gt depends on input Function Options Info Cleaning Options Select a cleaning program None A a This program is executed if Cleaning 1 y A diagnostics message is present at the channel Cleaning 2 and a a A cleaning process has been specified for this 8 message gt Inputs Diag settings Diag Factory setting behavior None A You define the cleaning programs in the Setup Additional functions Cleaning menu Endress Hauser Liquiline CM442 Inputs pH ORP 3 5 Calibration settings 3 5 1 Stability criteria You define the permitted measured value fluctuation which must not be exceeded in a certain timeframe during calibration If the permitted difference is exceeded calibration is not permitted and is aborted automatically Path Menu Setup Inputs Calib settings Function Options Info gt Stability criteria Delta mV 1 to 10 mV Permitted measured value fluctuation during Factory setting calibration 1 mV Duration 10 to 60s Timeframe within which the permitted range for dl measured value fluctuation should not be exceeded Factory setting 20s 3
85. time Factory setting Otherwise the error message is triggered 60 min Tolerancewidth 0 01 to 20 Interval around the measuring signal raw value P A for detecting stagnation not available with pH Redox Factory setting Measured values within the set interval are 0 05 regarded as stagnating 4 8 2 Limits operating hours The total operating time of the sensor and its use under extreme conditions is monitored If the operating time exceeds the defined threshold values the device issues a corresponding warning or alarm E Each sensor has a limited life expectancy which heavily depends on the operating conditions If you specify warning and alarm limits for operating times under extreme conditions you can guarantee the operation of your measuring point without any downtime by performing maintenance tasks in time Path Menu Setup Inputs Diag settings Function Options Info gt Limits operating hours Aa The range of adjustment for the operating hours alarm and warning limits is generally 1 to 50000 h Function Options On On The operation of the sensor under extreme Off conditions is monitored recorded in the sensor and Factory setting diagnostics messages are displayed on the Of controller Off No diagnostics messages However the time the sensor operates under extreme conditions is recorded in the sensor and can be read in the sensor information in the diagnostics menu gt Operating ti
86. tion should not be exceeded Factory setting 10s 6 5 Diagnostics settings This menu branch is used for specifying alarm and warning limits and for defining whether and how diagnostics tools should be used The associated diagnostics code is displayed for every setting 6 5 1 Limits operating hours The total operating time of the sensor and its use under extreme conditions is monitored If the operating time exceeds the defined threshold values the device issues a corresponding warning or alarm E Each sensor has a limited life expectancy which heavily depends on the operating conditions If you specify warning and alarm limits for operating times under extreme conditions you can guarantee the operation of your measuring point without any downtime by performing maintenance tasks in time 54 Endress Hauser Liquiline CM442 Inputs Turbidity and solids Path Menu Setup Inputs Diag settings Function Options Info gt Limits operating hours Specify your limit values for monitoring the number of operating hours under extreme conditions A The range of adjustment for the operating hours alarm and warning limits is generally 1 to 50000 h Function Options On On The operation of the sensor under extreme Off conditions is monitored recorded in the sensor and Factory setting diagnostics messages are displayed on the Off controller Off No diagnostics messages However the time the sensor operates u
87. tivity Path Menu Setup Inputs Conductivity Function Options Info NaCl compensation In the case of NaCl compensation as per IEC 60746 a fixed non linear curve specifying the relationship between the temperature coefficient and temperature is saved in the device This curve applies to low concentrations of up to approx 5 NaCl a K 2 5 2 3 Compensation for natural water A non linear in accordance with ISO 7888 is saved in the device for temperature compensation in natural water Ultrapure water compensation for conductive sensors Algorithms for pure and ultrapure water are stored in the device These algorithms take the dissociation of the water and its temperature dependency into account They are used for conductivity values up to approx 100 yS cm UPW NaCl Optimized for pH neutral contamination UPW HCI Optimized for measuring the acid conductivity downstream of a cation exchanger Also suitable for ammonia NH and caustic soda NaOH User defined tables You can save a function that takes the properties of your specific process into account To do so determine the value pairs made up of the temperature T and conductivity x with To for the reference temperature To T for the temperatures that occur in the process Use the following formula to calculate the values for the temperatures that are relevant in your process a 100 KT To TAN To hem
88. to achieve a change in the manipulated variable as a result of the I effect which has the same magnitude as the P value e control deviation e w x setpoint controlled variable Endress Hauser 83 Additional functions Liquiline CM442 Path Menu Setup Additional functions Controller 1 or Controller 2 Function Options Info Tv 0 0 to 9999 0 s The derivative action time specifies the effect of the D value el The derivative action time is the time by which the ramp response of a PD controller reaches a specific value of the manipulated variable at an earlier stage than it would solely as a result of its P value Xn Range of adjustment and Tolerance range about the setpoint that prevents factory setting minor oscillations about the setpoint if using Coritroler ya RID Depends on the Source of data two sided control loops 2 sided Clock 0 333 to 100 000 s Expert setting Only change this value if you know exactly what you are doing gt Hold behavior Hold measured value is no longer reliable Manipulated Variable Options m Freeze Set to zero How should the controller react to a measured value that is no longer reliable Freeze The manipulated variable is frozen at the current oe rae Set to zero Manipulated variable is set to O no dosing State Options Internal controller status m Freeze Freeze m Reset No change Rese
89. trolled variable Endress Hauser 69 Outputs Path Menu Setup Outputs Liquiline CM442 channel output Function Options Info Hold behavior Options Freeze m Freeze The device freezes the last current value Fixed value None Fixed value You define a fixed current value that is output at Factory setting the output Depends on the None A hold does not affect this current output Hold current Hold behavior Fixed value 0 0 to 23 0 mA Factory setting 22 0 mA Specify which current should be output at this current output in the event of a hold Measured value depending on the Source of data Source of data Measured value pH Glass pH ISFET Options Raw value mV pH Temperature ORP Options Temperature m ORP mV ORP Oxygen amp Oxygen opt Options Temperature Partial pressure Concentration liquid Saturation Raw value nA only Oxygen amp Raw value us only Oxygen opt Cond i Cond c Options Temperature Conductivity m Resistance Turbidity Options Temperature Turbidity g l Turbidity FNU Nitrate Options Temperature a NO3 a NO3 N 70 Endress Hauser Liquiline CM442 Outputs Measured value depending on the Source of data Source of data Measured value Controller 1 Options Bipolar only current outputs Controller 2 Unipolar
90. ugh the electrolyte electrode interface reactions take place here which result in additional voltage These polarization effects limit the measuring range of conductive sensors Sensor specific compensation increases the level of accuracy at the measuring range limits E The controller recognizes the Memosens sensor and automatically uses suitable compensation You can view the measuring range limits of the sensor under Diagnostics Sensor information Sensor specifications Path Menu Setup Inputs Conductivity Polarisation Function Options Info Polarisation Options Diagnostics code and associated message text On 168 Sensor check Off Factory setting Off 4 9 Tag control Tag stands for the name of a measuring point and is used in many areas of process measuring technology Path Menu Setup Inputs Function Options Info gt Tag control Additional information on the display tag control currently used Operating mode Options Off Off No tag control all sensors are accepted a Tag Tag Tag group Only sensors with the same tag are accepted i Tag group a setting Only sensors in the same tag group are accepted Tag group Customized text Enter the tag name The controller checks every Factoiy settiti sensor to be connected as to whether this sensor ry 8 belongs to the measuring point and only accepts EH_CM44_ the sensors that have the same tag Endress Hauser 33 In
91. unction Options Info gt Process Check System Diagnostics code and associated message text 904 Process check Function Options On Off Factory setting On Duration 1 to 240 min The measured value must change during this time Factory setting Otherwise the error message is triggered 60 min Endress Hauser 15 Inputs pH ORP Path Menu Setup Inputs Diag settings Liquiline CM442 Function Options Info Tolerancewidth not available with pH Redox 0 01 to 20 Factory setting 0 05 Interval around the measuring signal raw value for detecting stagnation Measured values within the set interval are regarded as stagnating 3 6 7 Limits operating hours The total operating time of the sensor and its use under extreme conditions is monitored If the operating time exceeds the defined threshold values the device issues a corresponding warning or alarm E Each sensor has a limited life expectancy which heavily depends on the operating conditions If you specify warning and alarm limits for operating times under extreme conditions you can guarantee the operation of your measuring point without any downtime by performing maintenance tasks in time Path Menu Setup Inputs Diag settings Function Options Info gt Limits operating hours Specify your limit values for monitoring the number of operating hours under extreme conditions Aa The range of adjustment for the
92. unction Options Info List of diagnostic messages Select the message to be changed Diagnostic message Options You can deactivate or reactivate a diagnostic On message here ee Deactivating means Factory setting No error message in the measuring mode Depends on the message No error current at the current output Error class Options The messages are divided into different error classes Maintenance M in accordance with NAMUR NE 107 Out of specification S gt BA445C Maintenance amp diagnostics Function check C Failure F Factory setting Depends on the message Error current Options Decide whether an error current should be output On at the current output if the diagnostic message Off display is activated Factory setting Depends on the message Diag output Options You can use this function to select an output to a None which the diagnostic message should be assigned Alarm relay a Relay 1 to n depends on the device version You first have to configure a relay output before being able to assign the message to an output Menu Setup Outputs assign Diagnostics Factory setting function and set Operating mode to Normal None gt BA450C Operation amp configuration a One alarm relay is always available regardless of the device version Other relays are optional Cleaning program Options Decide whether the diagnostic message should a None trigger a cleaning program Cleaning 1 You c
93. y time and the controller has to react to these changes on a continuous basis If the flow rate and medium remain constant the manipulated variable can also assume a fixed value once the process has settled Since the control process is never finished here this type of control is also referred to as continuous control A mixture of both process types can often be found in practice the semi batch process Depending on the ratio between the flow and the container volume this arrangement behaves either like a batch process or an in line process Path Menu Setup Additional functions Controller 1 or Controller 2 Function Options Info Controller type Options PID 1 sided a PID PID 2 sided 2 sided a PID 2 sided Depending on the actuator connected you Factory setting influence the process in just one direction e g PID 2 sided heating or in both directions e g heating and cooling A 2 sided controller can output a manipulated variable in the range from 100 to 100 i e the manipulated variable is bipolar The manipulated variable is positive if the controller should increase the process value In the case of a pure P controller this means that the value of the controlled variable x is smaller than the setpoint w On the other hand the manipulated variable is negative if the process value should be decreased The value for x is greater than the setpoint w The following graphic illustrates the relationship y K w x
94. your None controlled variable m Depends on the Source of The measured value you can select depends on the data option selected under Source of data Factory setting None gt Setpoini Setpoin Range of adjustment and Specify the setpoint for the controlled variable factory setting Depends on the Source of data gt Parameters Gain K Integral action time T Derivative action time T The Liquiline PID controller has been implemented in the serial structural form i e it has the following parameters 82 Endress Hauser Liquiline CM442 Additional functions Path Menu Setup Additional functions Controller 1 or Controller 2 Function Options Info Kp yh 100 If T and T are set to zero the controller acts completely as a P con to the control deviation e If used as a temperature controller with the setpoint w 20 C a gain of K 0 2 would cause the controller to cool entirely at 25 C and to heat entirely at 15 C 0 000 to 9999 000 The gain specifies the effect of the P value sensor 1 K 1 K e 0 100 It is always indicated in basic units reciprocal value of the measuring unit depending on the troller i e the manipulated variable y is proportional Tn ed 0 0 to 9999 0 s The integral action time specifies the effect of the I value The integral action time is the time needed in a step function response

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