Endress+Hauser Liquiline CM442 Operating Instructions Manual
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Endress+Hauser Liquiline CM442 Operating Instructions Manual

Universal four-wire multichannel controller field device
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BA00444C/07/EN/19.16
71309796
Valid as of version
01.06.00
Products
Operating Instructions
Liquiline CM442/CM444/CM448
Universal four-wire multichannel controller
Field device
Solutions
Services

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Summary of Contents for Endress+Hauser Liquiline CM442

  • Page 1 BA00444C/07/EN/19.16 Products Solutions Services 71309796 Valid as of version 01.06.00 Operating Instructions Liquiline CM442/CM444/CM448 Universal four-wire multichannel controller Field device...

  • Page 3: Table Of Contents

    Overview ......42 15.7 Other accessories ..... 133 Endress+Hauser...
  • Page 4 CM448R) ......148 Index ....... . . 149 Endress+Hauser...

  • Page 5: Document Information

    Liquiline CM442/CM444/CM448 Document information Document information Warnings Structure of information Meaning This symbol alerts you to a dangerous situation. DANGER Failure to avoid the dangerous situation will result in a fatal or serious Causes (/consequences) injury. Consequences of non-compliance (if applicable) ‣...

  • Page 6: Documentation

    Document information Liquiline CM442/CM444/CM448 Documentation The following instructions complement these Operating Instructions and are available on the product pages on the internet: • Brief Operating Instructions for Liquiline CM44x, KA01159C • Operating Instructions for Memosens, BA01245C – Software description for Memosens inputs –...

  • Page 7: Basic Safety Instructions

    Liquiline CM442/CM444/CM448 Basic safety instructions Basic safety instructions Requirements for the personnel • Installation, commissioning, operation and maintenance of the measuring system may be carried out only by specially trained technical personnel. • The technical personnel must be authorized by the plant operator to carry out the specified activities.

  • Page 8: Operational Safety

    Basic safety instructions Liquiline CM442/CM444/CM448 Operational safety 1. Before commissioning the entire measuring point, verify that all connections are correct. Ensure that electrical cables and hose connections are undamaged. 2. Do not operate damaged products, and safeguard them to ensure that they are not operated inadvertently.

  • Page 9: Device Description

    Liquiline CM442/CM444/CM448 Device description Device description Housing closed Display Weather protection cover (optional) Navigator Sensor cable or current output cable Power supply cable Soft keys, assignment depends on menu A0025813  1 Mounted on a post Housing open A0025814  2...

  • Page 10: Slot And Port Assignment

    Device description Liquiline CM442/CM444/CM448 Slot and port assignment Slots BASE-E Ports  3 Slot and port assignment of the hardware modules • Inputs are assigned to measuring channels in the ascending order of the slots and ports. Adjacent example: "CH1: 1:1 pH glass" means:...

  • Page 11: Terminal Diagram

    Liquiline CM442/CM444/CM448 Device description Terminal diagram The unique terminal name is derived from: Slot no. : Port no. : Terminal Example, NO contact of a relay Device with 4 inputs for digital sensors, 4 current outputs and 4 relays • Base module BASE-E (contains 2 sensor inputs, 2 current outputs) •...

  • Page 12: Incoming Acceptance And Product

    Incoming acceptance and product identification Liquiline CM442/CM444/CM448 Incoming acceptance and product identification Incoming acceptance 1. Verify that the packaging is undamaged.  Notify your supplier of any damage to the packaging. Keep the damaged packaging until the matter has been settled.

  • Page 13: Scope Of Delivery

    Liquiline CM442/CM444/CM448 Incoming acceptance and product identification 2. At the bottom of the page, select the "Online Tools" link followed by "Check your device features".  An additional window opens. 3. Enter the order code from the nameplate into the search field, and then select "Show details".

  • Page 14: Installation

    Installation Liquiline CM442/CM444/CM448 Installation Installation conditions 5.1.1 Dimensions Ø9 (0.35) 199 (7.38) 128 (5.04) 95 (3.74) 237 (9.33) A0012396  6 Dimensions of field housing in mm (inch) 5.1.2 Mounting plate 4 x 6.5 (0.26) 80 (3.15) 125 (4.92) A0012426 ...

  • Page 15: Mounting Measuring Device

    Liquiline CM442/CM444/CM448 Installation 5.1.3 Protective cover NOTICE Effect of climatic conditions (rain, snow, direct sunlight etc.) Impaired operation to complete transmitter failure ‣ When installing outside, always use the weather protection cover (accessory). 300 (11.8) 170 (6.69) 80 (3.15) 270 (10.6) Ø...
  • Page 16 Installation Liquiline CM442/CM444/CM448 A0025884 A0025885  10 Post mounting  11 Attach the device and click it into place 1. Bring the device to the mounting plate. 2. Slide the device downwards in the guide on the mounting rail until it clicks into place.
  • Page 17 Liquiline CM442/CM444/CM448 Installation 5.2.3 Wall mounting  16 Wall mounting Wall 4 drill holes Mounting plate Screws Ø 6 mm (not part of scope of supply) A0012686  15 Mounting distance in mm (inch) The size of the drill holes depends on the wall plugs used. The wall plugs and screws must be provided by the customer.

  • Page 18: Post-Installation Check

    Installation Liquiline CM442/CM444/CM448 A0025890 A0025891  19 Disassembling  20 Disassembling 1. Hold down the catch. 2. Push up the device to remove it from the holder. 3. Remove the device towards the front. Post-installation check 1. After installation, check the transmitter for damage.

  • Page 19: Electrical Connection

    Liquiline CM442/CM444/CM448 Electrical connection Electrical connection Connection conditions 6.1.1 Via HART (e.g. using HART modem and FieldCare) A0028995  21 HART using modem Device module Base L, H or E: current output 1 with HART HART modem for connection to PC, e.g. Commubox FXA191 (RS232) or FXA195...

  • Page 20: Connecting The Measuring Device

    Electrical connection Liquiline CM442/CM444/CM448 6.1.3 Via Modbus RS485 Modbus Master / Gateway Modbus RS485 (RTU, ASCII) FXA291 FieldCare / Webbrowser Ethernet A0028993  23 Modbus RS485 Terminating resistor 6.1.4 Via Ethernet/Web server/Modbus TCP/EtherNet/IP A0028994  24 Modbus TCP and/or EtherNet/IP...
  • Page 21 Liquiline CM442/CM444/CM448 Electrical connection NOTICE The device does not have a power switch ‣ The customer must provide a protected circuit breaker in the vicinity of the device. ‣ The circuit breaker must be a switch or power switch, and you must label it as the circuit breaker for the device.
  • Page 22 Electrical connection Liquiline CM442/CM444/CM448 6.2.2 Cable mounting rail A0025171  27 Cable mounting rail and associated function Cable mounting rail Additional threaded bolts for ground connections Threaded bolt (protective ground connection, Cable clamps (fixing and grounding the sensor central grounding point) cables) 6.2.3...
  • Page 23 Liquiline CM442/CM444/CM448 Electrical connection 6.2.4 Cable terminals Plug-in terminals for Memosens and PROFIBUS/RS485 connections Insert the cable until the limit stop Press the screwdriver against the clip Remove the screwdriver (closes the (opens the terminal) terminal) After connection, make sure that every cable end is securely in place. Terminated cable ends, in particular, tend to come loose easily if they have not been correctly inserted as far as the limit stop.
  • Page 24 Electrical connection Liquiline CM442/CM444/CM448 6.2.5 Connecting the supply voltage for the CM442 – – – – – L / + N / – – A0015825 A0012404  31 Connecting power supply on the BASE-H or -L  32 Overall wiring diagram for BASE-H or -L...
  • Page 25 Liquiline CM442/CM444/CM448 Electrical connection NOTICE Protective ground/ground cable with end sleeve or open cable lug The cable can become loose. Loss of the protective function. ‣ To connect the protective ground or ground cable to the threaded bolt, only use a cable with a closed cable lug as per DIN 46211, 46225, form A.

  • Page 26: Connecting The Sensors

    Electrical connection Liquiline CM442/CM444/CM448 Protective ground of power unit Serrated washer and nut Protective ground / ground cable, provided by the customer (min. 0.75 mm ( 18 AWG)) Serrated washer and nut Mounting bolts  36 Protective ground or grounding...
  • Page 27 Liquiline CM442/CM444/CM448 Electrical connection 6.3.2 Connecting the sensors Types of connection • Direct connection of sensor cable to terminal connector of sensor module 2DS or of base module L, H or E (→  37 ff.) • Optional: Sensor cable plug connected to the M12 sensor socket on the underside of the device With this type of connection, the device is already wired at the factory (→...

  • Page 28: Connecting Additional Inputs, Outputs Or Relays

    Electrical connection Liquiline CM442/CM444/CM448 connection via M12 connection Device versions with a pre-installed M12 socket are ready-wired upon delivery. Install an M12 socket, which is available as an accessory, in a suitable cable gland opening in the base of the housing, and connect the...
  • Page 29 Liquiline CM442/CM444/CM448 Electrical connection 6.4.1 Digital inputs and outputs DIO module – – – – – –  42 Module  43 Wiring diagram 6.4.2 Current inputs Module 2AI – –  44 Module  45 Wiring diagram Endress+Hauser...
  • Page 30 Electrical connection Liquiline CM442/CM444/CM448 6.4.3 Current outputs – – – – – –  47 Wiring  48 Module  46 Module  49 Wiring diagram diagram 6.4.4 Relay Module 2R Module 4R  50 Module  51 Wiring  52 Module ...
  • Page 31 Liquiline CM442/CM444/CM448 Electrical connection Example: Connecting the cleaning unit 71072583 for CAS40D T2.0A CM44x/CM44xR 230 V AC / 50 Hz A0028597  54 Connecting the cleaning unit for CAS40D Example: Connecting the Chemoclean CYR10 injector cleaning unit CYR10 CM44x/CM44xR A0028598 ...

  • Page 32: Connecting Digital Communication

    Electrical connection Liquiline CM442/CM444/CM448 Connecting digital communication 6.5.1 Module 485 128/SW Service DGND  57 Wiring  56 Module diagram LEDs on front of module Description Color Description RJ45 LNK/ACT • Off = Connection is not active • On = Connection is active •...
  • Page 33 Liquiline CM442/CM444/CM448 Electrical connection 6.5.2 Module ETH 128/SW Service  59 Wiring  58 Module diagram LEDs on front of module Description Color Description RJ45 LNK/ACT • Off = Connection is not active • On = Connection is active • Flashing = Data transmission...
  • Page 34 Electrical connection Liquiline CM442/CM444/CM448 6.5.3 Connection via M12 connector PROFIBUS DP, Modbus RS485 M12 Y-section Wiring in M12 Y section Pin assignment in connector and socket  62 Connector (left) and socket (right) P5V, 5 V power supply for external terminating resistor...

  • Page 35: Hardware Settings

    Liquiline CM442/CM444/CM448 Electrical connection 6.5.4 Bus termination There are two ways to terminate the bus: 1. Internal terminating resistor (via DIP switch on the module board) "OFF" "ON"  65 DIP switches for internal terminating resistor ‣ Using a suitable tool, such as a tweezers, set all 4 DIP switches to the "ON" position.

  • Page 36: Ensuring The Degree Of Protection

    Electrical connection Liquiline CM442/CM444/CM448 on off on off on off A0026776 A0026777 A0026778  67 Valid PROFIBUS address 67  68 Valid Modbus address 195  69 Invalid address 255 Order configuration, software addressing is active, software address configured at the factory: PROFIBUS 126,...

  • Page 37: Post-Connection Check

    Liquiline CM442/CM444/CM448 Electrical connection Post-connection check WARNING Connection errors The safety of people and of the measuring point is under threat. The manufacturer does not accept any responsibility for errors that result from failure to comply with the instructions in this manual.

  • Page 38: System Integration

    Enter the following address(es) to download logbooks:  192.168.1.212/logbooks_csv.fhtml (for logbooks in CSV format) 192.168.1.212/logbooks_fdm.fhtml (for logbooks in FDM format) Downloads in FDM format can be securely transmitted, saved and visualized with Endress+Hauser' s "Field Data Manager Software". (→ www.endress.com/ms20) Endress+Hauser...

  • Page 39: Service Interface

    Liquiline CM442/CM444/CM448 System integration 7.1.3 Operation The menu structure of the web server corresponds to the onsite operation. A0026780  71 Example of web server (menu/language=English) • Clicking a menu name or a function corresponds to pressing the navigator. • You can make your settings conveniently via the computer keyboard.

  • Page 40: Fieldbuses

    System integration Liquiline CM442/CM444/CM448 3. Then select the "Liquiline CM44x" DTM and start the configuration. You can now start online configuration via the DTM. Online configuration competes with onsite operation, i.e. each of the two options blocks the other one. On both sides it is possible to take away access from the other side.
  • Page 41 Liquiline CM442/CM444/CM448 System integration 7.3.4 EtherNet/IP With the fieldbus module 485 or the ETH module and the appropriate device version, you can communicate via EtherNet/IP. ‣ Connect the EtherNet/IP data cable to the RJ45 socket of module 485 or ETH.

  • Page 42: Operation Options

    Operation options Liquiline CM442/CM444/CM448 Operation options Overview 8.1.1 Display and operating elements A0011764  73 Overview of operation Display (with red display background in alarm condition) Navigator (jog/shuttle and press/hold function) Soft keys (function depends on menu) 8.1.2 Display Menu path and/or device designation...

  • Page 43: Access To The Operating Menu Via The Local Display

    Liquiline CM442/CM444/CM448 Operation options Access to the operating menu via the local display 8.2.1 Operating concept Pressing the soft key: selecting the menu directly Turning the navigator: moving the cursor in the menu Menu/Language English Čeština Nederlands Français Deutsch Italiano...

  • Page 44: Configuration Options

    Operation options Liquiline CM442/CM444/CM448 2. Choose whether you want to lock without or without a password.  The keys are locked. No more entries can be made. In the soft key bar, you will see the symbol. The password is 0000 when the device is delivered from the factory. Make sure to note down any changes to the password, as otherwise you will not be able to unlock the keypad yourself.
  • Page 45 Liquiline CM442/CM444/CM448 Operation options 8.3.4 Actions • You trigger an action with the appropriate function. • You know that the item in question is an action if it is preceded by the following symbol: • Examples of typical actions include: –...
  • Page 46 Operation options Liquiline CM442/CM444/CM448 8.3.6 Tables • Tables are needed to map mathematical functions . • You edit a table by navigating through rows and columns with the navigator and changing the values of the cells. • You only edit the numerical values. The controller automatically takes care of the engineering units.

  • Page 47: Commissioning

    Liquiline CM442/CM444/CM448 Commissioning Commissioning Function check WARNING Incorrect connection, incorrect supply voltage Safety risks for staff and device malfunctions ‣ Check that all connections have been established correctly in accordance with the wiring diagram. ‣ Ensure that the supply voltage matches the voltage indicated on the nameplate.
  • Page 48 Commissioning Liquiline CM442/CM444/CM448 Menu/Operation/Display Function Options Info Screensaver Selection The screensaver switches off the display if more • Off than 5 minutes have elapsed since the last action • Automatic executed in the software. The device continues to work as normal even when the display is Factory setting switched off.

  • Page 49: Basic Setup

    Liquiline CM442/CM444/CM448 Commissioning Menu/Operation/Display Function Options Info Measured value Selection You can display different measured values Depends on the source of depending on the source of data or output. data or output Factory setting None Actuator type Selection For more information on controllers and •...

  • Page 50: Operation

    Operation Liquiline CM442/CM444/CM448 Operation 10.1 Display 10.1.1 Soft keys in the measurement mode On the bottom row of the display you can find four soft keys in the measuring screens: • MENU, CAL and DIAG take you directly to the specific software menu.
  • Page 51 Liquiline CM442/CM444/CM448 Operation Sensor type Main value Main / secondary All values measured value Spectral absorption SAC, temperature Main value, Raw value, coefficient (SAC) Temperature Sludge level Turbidity Turbidity, temperature Main value, Raw value, Temperature Ammonium, ion- Ammonium Ammonium, Main value, Raw value,...

  • Page 52: General Settings

    Operation Liquiline CM442/CM444/CM448 10.2 General settings 10.2.1 Basic settings Menu/Setup/General settings Function Options Info Device tag Customized text, 32 Select any name for your controller. Use the TAG characters name for example. Temperature unit Selection • °C • °F • K Factory setting °C...
  • Page 53 Liquiline CM442/CM444/CM448 Operation Menu/Setup/General settings/Date/Time Function Options Info Extended setup Date format Selection Decide which date format you want to use. • DD.MM.YYYY • YYYY-MM-DD • MM-DD-YYYY Factory setting DD.MM.YYYY Time format Selection Decide whether you want to use the 12-hour or •...
  • Page 54 Operation Liquiline CM442/CM444/CM448 In addition, you can also define individual data logbooks . 1. Assign the logbook name. 2. Select the measured value to be recorded. 3. Set the data recording rate (Scan time).  You can set the recording rate individually for every data logbook.
  • Page 55 Liquiline CM442/CM444/CM448 Operation Menu/Setup/General settings/Logbooks Function Options Info Data logbooks You can create a maximum of 8 data logbooks. Logbook name Customized text, 20 characters Source of data Selection Select a data source for the logbook entries. You • Sensor inputs can choose from connected sensors, available •...
  • Page 56 Operation Liquiline CM442/CM444/CM448 Menu/Setup/General settings/Logbooks Function Options Info Logbook name Customized text, 20 You can change the name here again. characters Scan time 00:00:01 to 01:00:00 As above Minimum interval between two entries Factory setting Format: HH:MM:SS 00:01:00 Data logbook...
  • Page 57 Liquiline CM442/CM444/CM448 Operation If you selected Fill up buffer you can also decide whether you want to receive a diagnostic message in the event of memory overrun. Depending on the type of memory selected, you receive information about the memory space (for Ring buffer) or the time remaining until memory overrun (for Fill up buffer).
  • Page 58 Operation Liquiline CM442/CM444/CM448 Menu/Setup/(General settings or Inputs<Sensor channel>)/Extended setup/Diagnostics settings/Diag. behavior Function Options Info Cleaning program Selection Decide whether the diagnostic message should (for sensors) • None trigger a cleaning program. • Cleaning 1 You can define the cleaning programs under: •...
  • Page 59 Liquiline CM442/CM444/CM448 Operation Modbus Menu/Setup/General settings/Extended setup/Modbus Function Options Info Enable Selection You can switch off communication at this point. • Off The software can then only be accessed via local • On operation. Factory setting Termination Read only If the device is the last in the bus, you can terminate via the hardware.
  • Page 60 Operation Liquiline CM442/CM444/CM448 Web server Menu/Setup/General settings/Extended setup/Webserver Function Options Info Webserver Selection You can switch off communication at this point. • Off The software can then only be accessed via local • On operation. Factory setting Webserver TCP Port 80...
  • Page 61 Liquiline CM442/CM444/CM448 Operation EtherNet/IP Menu/Setup/General settings/Extended setup/Ethernet Function Options Info Enable Selection You can switch off communication at this point. • Off The software can then only be accessed via local • On operation. Factory setting Settings Link settings Selection Transmission methods of the communication •...
  • Page 62 Operation Liquiline CM442/CM444/CM448 The current firmware version can be found at: Menu/Diagnostics/System information/. First save your logbooks on an SD card via DIAG/Logbooks/Save logbooks . After updating the firmware, you can quickly restore the logbooks by uploading them from the SD card.
  • Page 63 Liquiline CM442/CM444/CM448 Operation Exporting the setup Exporting the setup offers the following advantages: • Export in XML format with a stylesheet for formatted display in an XML‐compatible application such as Microsoft Internet Explorer • Importing the data (drag and drop the XML file into a browser window) 1.

  • Page 64: Current Inputs

    Operation Liquiline CM442/CM444/CM448 Function Activation code beginning with: Feedforward control 220... Chemoclean Plus 25... The device displays an error message if you remove the 485 or ETH module with the fieldbus protocol activated. You must now enter the activation code on the inside nameplate. The fieldbus is only deactivated once you do this.

  • Page 65: Outputs

    Liquiline CM442/CM444/CM448 Operation Menu/Setup/Inputs/Current input x:y Function Options Info Unit of measure Customized text, 16 You cannot choose the unit from a list. If you characters want to use a unit, you must enter it here as Input mode = Parameter customized text.
  • Page 66 Operation Liquiline CM442/CM444/CM448 Menu/Setup/Outputs/Current output x:y Function Options Info Range lower value Range of adjustment and You can output the entire measuring range or factory settings depending just some of it at the current output. For this Range upper value...
  • Page 67 Liquiline CM442/CM444/CM448 Operation Source of data Measured value TU/TS Selection • Temperature • Turbidity g/l (only TU/TS) • Turbidity FNU (only TU/TS) • Turbidity Formazine (only TU) • Turbidity solid (only TU) Nitrate Selection • Temperature • NO3 • NO3-N...
  • Page 68 Operation Liquiline CM442/CM444/CM448 Menu/Setup/Outputs/Alarm relay or relay at channel no. Function Options Info Function Selection The following functions depend on the option • Off selected. • LimitSwitch These versions are illustrated individually in the • Controller following sections to provide a clearer •...
  • Page 69 Liquiline CM442/CM444/CM448 Operation 1. PWM (pulse width modulation): The duty cycle is varied within a period T (T=t ). The cycle duration remains constant. 10 % 50 % 100 % 1 "High" 0 "Low"  74 Typical application: solenoid valve 2.
  • Page 70 Operation Liquiline CM442/CM444/CM448 Outputting diagnostic messages via the relay If a relay is defined as a diagnostic relay (Function = Diagnostics), it works in the "fail- safe mode". This means that the relay is always energized ("normally closed", n.c.) in the basic state if an error is not present.
  • Page 71 Liquiline CM442/CM444/CM448 Operation 10.4.3 HART Specify which device variables should be output via HART communication. You can define a maximum of 16 device variables. 1. Define the data source.  You can choose from sensor inputs and controllers. 2. Choose the measured value which should be output.

  • Page 72: Binary Inputs And Outputs

    Operation Liquiline CM442/CM444/CM448 2. Choose the measured value which should be output. 3. Define how the device should behave in the event of a "Hold" . (Configuration options of Source of data, Measured value and Hold behavior) →  66 Please note that if you select Hold behavior = Freeze , the system not only flags the status but also actually "freezes"...
  • Page 73 Liquiline CM442/CM444/CM448 Operation 10.5.1 Application examples Chlorine control with feedforward control CM44xX CCA250 Dig.in CM44xX CCA250 Dig.out: PFM CM44x / CM44xR – CM44xX: DIO Dig.in: PFM Flow, e.g. Promag53 A0028316  76 Example of chlorine control with feedforward control Connection of the inductive proximity switch INS of CCA250 to the digital input of the DIO module...
  • Page 74 Operation Liquiline CM442/CM444/CM448 7. Disturbance variable: In the controller menu, select the binary input to which the flow measured value is connected. (Menu/Additional functions/Controllers/ Controller 1/Disturbance variable/Source of data = Binary input 6:2 and Measured value = PFM value) 8. You can activate a dosing pump through PFM via a digital output of the DIO module.
  • Page 75 Liquiline CM442/CM444/CM448 Operation 10.5.2 Binary input configuration Menu/Setup/Inputs/Binary input x:y Function Options Info Binary input Selection Switches the input on/off • Off • On Factory setting Signal type Selection Select the signal type. • Static signal Static signal • PFM...
  • Page 76 Operation Liquiline CM442/CM444/CM448 Menu/Setup/Inputs/Binary input x:y Function Options Info Input mode Selection Frequency • Frequency Display in Hz in the measuring menu • Parameter Parameter • Flow rate You subsequently determine the parameter Factory setting name and unit. These are then displayed in the Frequency measuring menu.
  • Page 77 Liquiline CM442/CM444/CM448 Operation Menu/Setup/Outputs/Binary output x:y Function Options Info Signal type = Static signal Function Selection Source for the outputted switching state • None The following functions depend on the option • Limit switches selected. • Diagnostics message Function = None Switches off the function.

  • Page 78: Additional Functions

    Operation Liquiline CM442/CM444/CM448 Menu/Setup/Outputs/Binary output x:y Function Options Info Source of data Selection Source, whose value should be read out as a • None frequency over the binary output. • Sensor inputs • Binary inputs • Controller • Fieldbus signals •...
  • Page 79 Liquiline CM442/CM444/CM448 Operation Menu/Setup/Additional functions/Limit switches/Limit switch 1 ... 8 Function Options Info Source of data Selection Specify the input or output which should be the • None source of data for the limit switch. • Sensor inputs The sources of data on offer depend on your •...
  • Page 80 Operation Liquiline CM442/CM444/CM448 Source of data Measured value TU/TS Selection • Temperature • Turbidity g/l (only TU/TS) • Turbidity FNU (only TU/TS) • Turbidity Formazine (only TU) • Turbidity solid (only TU) Nitrate Selection • Temperature • NO3 • NO3-N...
  • Page 81 Liquiline CM442/CM444/CM448 Operation Menu/Setup/Additional functions/Limit switches/Limit switch 1 ... 8 Function Options Info Limit value Settings depend on the Operating mode = Above limit check or Below measured value limit check A0028523  78 Exceeding (A) and undershooting (B) a limit value (without hysteresis and switch-on delay)
  • Page 82 Operation Liquiline CM442/CM444/CM448 Menu/Setup/Additional functions/Limit switches/Limit switch 1 ... 8 Function Options Info Hysteresis Settings depend on the Operating mode ≠ Change rate measured value The hysteresis is needed to ensure a stable switching behavior. The device software adds or subtracts the value set here to/from the limit value (Limit value, Range lower value or Range upper value).
  • Page 83 Liquiline CM442/CM444/CM448 Operation 10.6.2 Controller Controller structure in Laplace representation A0015007  82 Block diagram of the controller structure Neutral zone Integral value Output limiting Derivative value Gain (P-value) αT Damping time constant with α = 0 to 1 Integral action time (I-value)
  • Page 84 Operation Liquiline CM442/CM444/CM448 • (5) Define the parameters for the controller: – Set point, → Setpoint – Neutral zone, → Xn – Proportional band, → Xp – Integral action time (I-value), → Tn – Derivative action time (D-value), → Tv •...
  • Page 85 Liquiline CM442/CM444/CM448 Operation Menu/Setup/Additional functions/Controller 1 ... 2 Function Options Info Process type Selection Decide what type of process best describes your • Inline particular process. • Batch Factory setting Inline Batch process The medium is in a closed system.
  • Page 86 Operation Liquiline CM442/CM444/CM448 Menu/Setup/Additional functions/Controller 1 ... 2 Function Options Info Effective direction Selection In what direction should the controller influence • Direct the measured value? Controller type = PID 1-sided • Reverse • The measured value should increase as a result of dosing (e.g.
  • Page 87 Liquiline CM442/CM444/CM448 Operation Menu/Setup/Additional functions/Controller 1 ... 2 Function Options Info With "flowing medium" (inline) controls, it can happen that the flow rate is non-constant. In some circumstances, strong fluctuations are possible. In the case of a settled control system in which the flow rate is suddenly halved, it is desirable that the dosed quantity from the controller is also directly halved.
  • Page 88 Operation Liquiline CM442/CM444/CM448 Menu/Setup/Additional functions/Controller 1 ... 2 Function Options Info Measured value Selection Specify the measured value that should be your depend on Source of data disturbance variable. You can use different measured values Factory setting depending on the data source. →  78...
  • Page 89 Liquiline CM442/CM444/CM448 Operation Menu/Setup/Additional functions/Controller 1 ... 2 Function Options Info 0.1 to 999.9 s Time constant for anti-windup feedback The lower the value the greater the integrator Factory setting inhibition. Exercise extreme caution when 20.0 s making changes. Clock < Twu < 0.5(Tn + Tv) 0.1 to 999.9 s...
  • Page 90 Operation Liquiline CM442/CM444/CM448 Menu/Setup/Additional functions/Controller 1 ... 2 Function Options Info XHyst 0.0 to 99.9 % Width of the hysteresis range of the neutral zone, relative component of x Factory setting 0.0 % hyst e = w-x The graphic illustrates the manipulated variable (with a pure P-controller) over the control deviation e (set point minus controlled variable).
  • Page 91 Liquiline CM442/CM444/CM448 Operation Cleaning types The user can choose from the following cleaning types: • Standard clean • Chemoclean • Chemoclean Plus State of cleaning: Indicates whether the cleaning program is active or not. This is for information purposes only.
  • Page 92 Operation Liquiline CM442/CM444/CM448 Chemoclean Plus An example is the use of the CYR10 injector unit to clean pH glass sensors. (CYR10 connection →  31) Menu/Setup/Additional functions/Cleaning/Cleaning 1 ... 4/Chemoclean Plus/ChemoCleanPlus setup Function Options Info Cleaning steps setup Table to create a time...
  • Page 93 Liquiline CM442/CM444/CM448 Operation Defining the cleaning cycle Menu/Setup/Additional functions/Cleaning/Cleaning 1 ... 4 Function Options Info Cleaning cycle Selection Choose from a cleaning routine that is restarted • Off at set intervals and a user-definable weekly • Interval program. • Weekly program...
  • Page 94 Operation Liquiline CM442/CM444/CM448 The "virtual" process values can be: • Output via a current output or a fieldbus • Used as a controlled variable • Assigned as a measured variable to a limit switch • Used as a measured variable to trigger cleaning •...
  • Page 95 Liquiline CM442/CM444/CM448 Operation Menu/Setup/Additional functions/Mathematical functions/MF1 to 6/Mode = Redundancy Function Options Info Deviation control Selection You can monitor the redundancy. Specify an • Off absolute limit value that may not be exceeded. • On Factory setting Deviation limit Depends on the selected...
  • Page 96 Operation Liquiline CM442/CM444/CM448 Menu/Setup/Additional functions/Mathematical functions/MF1 to 6/Mode = Degassed conductivity Function Options Info Calculation Selection On/off switch for the function • Off • On Factory setting Cation conductivity Connected conductivity Cation conductivity is the sensor downstream sensor from the cation exchanger and upstream from the "degassing module", Degassed conductivity...
  • Page 97 Liquiline CM442/CM444/CM448 Operation Calculated pH value The pH value can be calculated from the measured values of two conductivity sensors under certain conditions. Areas of application include power stations, steam generators and boiler feedwater. Menu/Setup/Additional functions/Mathematical functions/MF1 to 6/Mode = pH calculation from...
  • Page 98 Operation Liquiline CM442/CM444/CM448 The calculation of the remaining capacity depends on the following factors: • Flow rate • Volume of the exchanger • Salinity of the water at the exchanger inlet • Total volume capacity of the resin • Degree of efficiency of the exchanger...
  • Page 99 Liquiline CM442/CM444/CM448 Operation Menu/Setup/Additional functions/Mathematical functions/MF1 to 6/Mode = Cation exchanger capacity Function Options Info Cond IEX input Connected conductivity Select the conductivity sensor upstream from the sensor inlet of the exchanger column. Cond IEX output Connected conductivity Select the conductivity sensor downstream from sensor the outlet of the exchanger column.
  • Page 100 Operation Liquiline CM442/CM444/CM448 Programming example: CIP cleaning in a brewery Beer Water Alkali Acid Binary input 1 Binary input 1 Measuring Measuring Measuring Measuring range 00 range 01 range 10 range 11 Operating mode Conductivity Conductivity Concentration Concentration Conc. Table NaOH 0..15%...
  • Page 101 Liquiline CM442/CM444/CM448 Operation Menu/Setup/Additional functions/Measuring range switch Function Options Info Measuring range 00 ... Select the MRSs; a maximum of 4 are possible. The submenus are identical for each and thus are displayed only once. Operating mode Selection Selection depends on the sensor used: •...
  • Page 102 Operation Liquiline CM442/CM444/CM448 10.6.6 Diagnostic modules Here you can configure a maximum of 8 individual diagnostic messages. A diagnostic module has the following properties: • The feed source can be configured like a binary output (relay, digital output). • You can choose whether the diagnostic message should be output at a high level or low level.

  • Page 103: Calibration

    Liquiline CM442/CM444/CM448 Calibration Calibration • Sensors with Memosens protocol are calibrated at the factory. • Users must decide whether the process conditions present require calibration during initial commissioning. • Additional calibration is not required in many standard applications. • Calibrate the sensors at sensible intervals depending on the process.

  • Page 104: Diagnostics And Troubleshooting

    Diagnostics and troubleshooting Liquiline CM442/CM444/CM448 Diagnostics and troubleshooting 12.1 General troubleshooting The analyzer transmitter continuously monitors its functions itself. If a diagnostic message occurs, the display alternates between the diagnostic message and the measured value in the measuring mode. The color of the display background changes to red if a diagnostic message for error category "F"...

  • Page 105: Diagnostic Information On The Local Display

    Liquiline CM442/CM444/CM448 Diagnostics and troubleshooting Problem Possible cause Tests and/or remedial measures Current output, incorrect Incorrect adjustment Check with integrated current simulation, connect current value mA meter directly to current output. Load too large Shunt / short to ground in current loop...
  • Page 106 Diagnostics and troubleshooting Liquiline CM442/CM444/CM448 12.5.2 Adapting the diagnostic behavior All the diagnostic messages are assigned to specific error categories at the factory. Since other settings might be preferred depending on the application, error categories and the effect errors have on the measuring point can be configured individually. Furthermore, every diagnostic message can be disabled.

  • Page 107: Overview Of Diagnostic Information

    Liquiline CM442/CM444/CM448 Diagnostics and troubleshooting Menu/Setup/../Extended setup/Diagnostics settings/Diag. behavior Function Options Info Diag. output Selection You can use this function to select an output to • None which the diagnostic message should be • Binary outputs assigned. • Alarm relay ...
  • Page 108 Diagnostics and troubleshooting Liquiline CM442/CM444/CM448 Message Factory settings Tests or remedial action Update error Firmware update failed Repeat update SD card error→ use another card Incorrect firmware → repeat with suitable firmware Contact the Service Department Battery low Buffer battery of real time clock is low The date and time are lost if the power is interrupted.
  • Page 109 Liquiline CM442/CM444/CM448 Diagnostics and troubleshooting Message Factory settings Tests or remedial action ‣ No text catalog Contact the Service Department Language change Language change failed ‣ Contact the Service Department Logbook at 80% Save the logbook to the SD card and then...

  • Page 110: Pending Diagnostic Messages

    Diagnostics and troubleshooting Liquiline CM442/CM444/CM448 Message Factory settings Tests or remedial action Diagnostics confirm. User has acknowledged the message displayed in the measuring screen. Device restart Device reset PFM value high Pulse frequency modulation: output signal exceeded/undershot. Measured value outside the PFM value low specified range.

  • Page 111: Event Logbook

    Liquiline CM442/CM444/CM448 Diagnostics and troubleshooting A time stamp is available for each message. Furthermore, the user also sees the configuration and description of the message as saved in Menu/Setup/General settings/ Extended setup/Diagnostics settings/Diag. behavior . 12.9 Event logbook 12.9.1 Available logbooks Types of logbooks •...
  • Page 112 Diagnostics and troubleshooting Liquiline CM442/CM444/CM448 DIAG/Logbooks Function Options Info Configuration events Chronological list of the configuration events. Show Events are displayed Select a particular event to display more detailed information. Go to date User entry Use this function to go directly to a specific time •...

  • Page 113: 12.10 Simulation

    Liquiline CM442/CM444/CM448 Diagnostics and troubleshooting DIAG/Logbooks Function Options Info Data logbooks Chronological list of the data logbook entries for sensors Data logbook 1 ... 8 This submenu is available for each data logbook <Logbook name> that you have set up and activated.
  • Page 114 Diagnostics and troubleshooting Liquiline CM442/CM444/CM448 DIAG/Simulation Function Options Info Current output x:y Simulation of an output current This menu appears once for each current output. Simulation Selection If you simulate the value at the current output, • Off this is indicated on the display by a simulation •...

  • Page 115: 12.11 Device Test

    Liquiline CM442/CM444/CM448 Diagnostics and troubleshooting 12.11 Device test DIAG/Systemtest Function Options Info Power Supply Read only Detailed list of power supply to instrument. • Digital Supply 1: 1.2V  The actual values can vary without a • Digital Supply 2: 3.3V malfunction being present.
  • Page 116 Diagnostics and troubleshooting Liquiline CM442/CM444/CM448 DIAG/System information Function Options Info HART Read only HART-specific information • Bus address The unique address is linked to the serial only with HART option • Unique address number and is used to reach devices in a multi- •...

  • Page 117: 12.14 Firmware History

    Liquiline CM442/CM444/CM448 Diagnostics and troubleshooting 12.13.2 Sensor information ‣ Select the channel you want from the list of channels. Information in the following categories is displayed: • Extreme values Extreme conditions to which the sensor was previously exposed, e.g. min./max.
  • Page 118 Diagnostics and troubleshooting Liquiline CM442/CM444/CM448 Date Version Changes to firmware Documentation 12/2013 01.05.00 Expansion BA00444C/07/EN/17.13 • Chemoclean Plus BA00486C/07/EN/02.13 • Calendar function for cleaning BA01245C/07/EN/01.13 • Conductivity: – Measuring range switching also for conductive conductivity measurement – External temperature signal via current input •...
  • Page 119 Liquiline CM442/CM444/CM448 Diagnostics and troubleshooting Date Version Changes to firmware Documentation 12/2011 01.03.00 Expansion BA00444C/07/EN/14.11 • Max. 8 sensor channels supported BA00445C/07/EN/14.11 • Current inputs BA00450C/07/EN/14.11 • PROFIBUS DP incl. Profile 3.02 supported BA00451C/07/EN/14.11 • Modbus RTU (RS485) supported BA00486C/07/EN/01.11 •...

  • Page 120: Maintenance

    Maintenance Liquiline CM442/CM444/CM448 Maintenance Effects on process and process control ‣ Take all the necessary precautions in time to ensure the operational safety and reliability of the entire measuring point. The maintenance of the measuring point comprises: • Calibration • Cleaning the controller, assembly and sensor •...
  • Page 121 Liquiline CM442/CM444/CM448 Maintenance 13.1.2 Digital sensors CAUTION Cleaning not switched off during calibration or maintenance activities Risk of injury due to medium or cleaning agent ‣ If a cleaning system is connected, switch if off before removing a sensor from the medium.

  • Page 122: Repairs

    • Housing base of field housing • Cable mounting rail with double clamps and screws (item 12) • Instructions for spare parts kit CM44x Kit CM44x/CM44xR: electronics module backplane 71101457 • Backplane complete • To be replaced only by Endress+Hauser Service Endress+Hauser...
  • Page 123 Item Order no. Kit CM44x/CM44xR: electronics module extension backplane 71141366 • Extension backplane complete • To be replaced only by Endress+Hauser Service Kit CM44x: power distribution terminals N+L 71101461 • Power distribution terminals • Instructions for spare parts kit CM44x...
  • Page 124 Repairs Liquiline CM442/CM444/CM448 Item Order no. Kit CM44x/ CM44xR: extension module AOR (2 relays + 2 current outputs) 71111053 • Extension module AOR, complete • Instructions for spare parts kit CM44x Kit CM44x/CM44xR: terminal set, extension module AOR 71107453 Kit CM44x/CM44xR: extension module 2R (2 relays) 71125375 •...

  • Page 125: Return

    The product must be returned if repairs or a factory calibration are required, or if the wrong product was ordered or delivered. As an ISO-certified company and also due to legal regulations, Endress+Hauser is obliged to follow certain procedures when handling any returned products that have been in contact with medium.

  • Page 126: Accessories

    Accessories Liquiline CM442/CM444/CM448 Accessories The following are the most important accessories available at the time this documentation was issued. For accessories not listed here, please contact your service or sales office. 15.1 Protective cover CYY101 • Weather protection cover for field devices •...
  • Page 127 Liquiline CM442/CM444/CM448 Accessories Ceragel CPS71D • pH electrode with double-chamber reference system and integrated bridge electrolyte • Product Configurator on the product page: www.endress.com/cps71d Technical Information TI00245C Memosens CPS171D • pH electrode for bio-fermenters with digital Memosens technology • Product Configurator on the product page: www.endress.com/cps171d...
  • Page 128 Accessories Liquiline CM442/CM444/CM448 Orbipore CPS92D • ORP electrode with open aperture for media with high dirt load • Product Configurator on the product page: www.endress.com/cps92d Technical Information TI00435C 15.4.4 pH ISFET sensors Tophit CPS441D • Sterilizable ISFET sensor for low-conductivity media •...
  • Page 129 Liquiline CM442/CM444/CM448 Accessories 15.4.6 Conductivity sensors with inductive measurement of conductivity Indumax CLS50D • High-durability inductive conductivity sensor • For standard and hazardous area applications • With Memosens technology • Product Configurator on the product page: www.endress.com/cls50d Technical Information TI00182C Indumax H CLS54D •...
  • Page 130 Accessories Liquiline CM442/CM444/CM448 Oxymax COS51D • Amperometric sensor for dissolved oxygen • With Memosens technology • Product Configurator on the product page: www.endress.com/cos51d Technical Information TI00413C Oxymax COS61D • Optical oxygen sensor for drinking water and industrial water measurement • Measuring principle: quenching •...

  • Page 131: Additional Functionality

    Liquiline CM442/CM444/CM448 Accessories 15.4.13 Interface measurement Turbimax CUS71D • Immersion sensor for interface measurement • Ultrasonic interface sensor • Product Configurator on the product page: www.endress.com/cus71d Technical Information TI00490C 15.5 Additional functionality 15.5.1 Hardware extension modules Kit, extension module AOR •...
  • Page 132 Accessories Liquiline CM442/CM444/CM448 Upgrade kit, extension module 485 with Modbus RS485 • Extension module 485 • Modbus RS485 (+ Ethernet configuration) • Order No. 71140889 Upgrade kit, extension module 485 with Modbus TCP • Extension module 485 • Modbus TCP (+ Ethernet configuration) •...

  • Page 133: Software

    Liquiline CM442/CM444/CM448 Accessories Kit CM442: activation code for 2nd digital sensor input Order No. 71114663 Kit CM444/CM448: upgrade code for 2 x 0/4 to 20 mA for BASE-E Order No. 71140891 Activation code for feedforward control • Requires current input or fieldbus communication •...
  • Page 134 Accessories Liquiline CM442/CM444/CM448 15.7.3 M12 built-in socket and cable junction with Velcro strip Kit CM42/CM442/CM444/CM448: external CDI socket • Socket with terminated connecting cables and counter nut • Order No. 51517507 Kit CM442/CM444/CM448/CSF48: M12 built-in socket for digital sensors • Pre-terminated •...
  • Page 135 Liquiline CM442/CM444/CM448 Accessories 15.7.5 System components RIA14, RIA16 • Field display unit for integration into 4-20 mA circuits • RIA14 in flameproof metal enclosure Technical Information TI00143R and TI00144R RIA15 • Process display unit, Digital display unit for integration into 4-20 mA circuits •...

  • Page 136: Technical Data

    Technical data Liquiline CM442/CM444/CM448 Technical data 16.1 Input Measured values → Documentation of the connected sensor Measuring ranges → Documentation of the connected sensor Types of input • Digital sensor inputs for sensors with Memosens protocol • Analog current inputs (optional) •...
  • Page 137 Liquiline CM442/CM444/CM448 Technical data Signal characteristic Linear Internal resistance Non-linear Test voltage 500 V 16.4 Output Output signal Depending on version: • 2 x 0/4 to 20 mA, active, galvanically isolated from one another and from the sensor circuits • 4 x 0/4 to 20 mA, active, galvanically isolated from one another and from the sensor circuits •...
  • Page 138 Technical data Liquiline CM442/CM444/CM448 Ethernet and Modbus TCP Signal encoding IEEE 802.3 (Ethernet) Data transmission rate 10/100 MBd Galvanic isolation Connection RJ45, M12 optional IP address DHCP (default) or configuration via menu EtherNet/IP Signal encoding IEEE 802.3 (Ethernet) Data transmission rate...
  • Page 139 Liquiline CM442/CM444/CM448 Technical data 16.6 Current outputs, active Span 0 to 23 mA 2.4 to 23 mA for HART communication Signal characteristic Linear Electrical specification Output voltage Max. 24 V Test voltage 500 V Cable specification Cable type Recommended: shielded cable Cable specification Max.
  • Page 140 Technical data Liquiline CM442/CM444/CM448 16.7 Relay outputs Electrical specification Relay types • 1 single-pin changeover contact (alarm relay) • 2 or 4 single-pin changeover contacts (optional with extension modules) Relay switching capacity Base module (Alarm relay) Switching voltage Load (max.) Switching cycles (min.)
  • Page 141 Liquiline CM442/CM444/CM448 Technical data PROFIBUS DP Manufacturer ID Device type 155D Profile version 3.02 GSD files www.endress.com/profibus Device Integration Manager DIM Output values 16 AI blocks, 8 DI blocks Input variables 4 AO blocks, 8 DO blocks Supported features • 1 MSCY0 connection (cyclical communication, master class 1 to slave) •...
  • Page 142 Technical data Liquiline CM442/CM444/CM448 EtherNet/IP Protocol EtherNet/IP ODVA certification Device profile Generic device (product type: 0x2B) Manufacturer ID 0x049E Device type ID 0x109C Polarity Auto-MIDI-X Connections Explicit message 6 Multicast 3 consumers Minimum RPI 100 ms (default) Maximum RPI 10000 ms...
  • Page 143 Liquiline CM442/CM444/CM448 Technical data Power consumption CM442 Depending on supply voltage • 100 to 230 V AC and 24 V AC: Max. 55 VA • 24 V DC: Max. 22 W CM444 and CM448 Depending on supply voltage • 100 to 230 V AC: Max.
  • Page 144 Technical data Liquiline CM442/CM444/CM448 16.10 Performance characteristics Response time Current outputs = max. 500 ms for an increase from 0 to 20 mA Current inputs = max. 330 ms for an increase from 0 to 20 mA Digital inputs and outputs = max.
  • Page 145 Liquiline CM442/CM444/CM448 Technical data CM444 • Generally –20 to 55 ˚C (0 to 130 ˚F), with the exception of packages under the second point in the list • –20 to 50 ˚C (0 to 120 ˚F) for the following packages: –...
  • Page 146 Technical data Liquiline CM442/CM444/CM448 Humidity 10 to 95%, not condensing Degree of protection IP 66/67, impermeability and corrosion resistance in accordance with NEMA TYPE 4X Vibration resistance Environmental tests Vibration test based on DIN EN 60068-2, October 2008 Vibration test based on DIN EN 60654-3, August 1998...
  • Page 147 Liquiline CM442/CM444/CM448 Technical data Materials Housing base PC-FR Display cover PC-FR Display foil and soft keys Housing seal EPDM Module side panels PC-FR Module covers PBT GF30 FR Cable mounting rail PBT GF30 FR, stainless steel 1.4301 (AISI304) Clamps Stainless steel 1.4301 (AISI304) Threaded fasteners Stainless steel 1.4301 (AISI304)
  • Page 148 Installation and operation in hazardous environment Class I Div. 2 (only CM442)(only CM444R and CM448R) Liquiline CM442/CM444/CM448 Installation and operation in hazardous environment Class I Div. 2 (only CM442)(only CM444R and CM448R) Non-sparking device for use in specified hazardous environment in accordance with: •...

  • Page 149: Index

    Commissioning ......47 Disposal ....... . . 125 Endress+Hauser...
  • Page 150 Product identification ......12 Cation exchanger capacity ....97 Endress+Hauser...
  • Page 151 Fieldbus ....... . 40 Service interface ......39 Endress+Hauser...
  • Page 152 *71309796* 71309796 www.addresses.endress.com...
  • Page 153 Endress+Hauser Configurator 2016-2017 SC United States 2350 Endress Place Greenwood, IN 46143 Liquiline CM444R Transmitter liquid analysis for rail-mount/cabinet installation CM444R-AAM41A7FK1+PKZ1 Multiparameter + Multichannel applicable for process control, 71184863 pH/ORP, conductivity, turbidity oxygen(DO), chlorine, SAC, nitrate SPK: CIA ammonia. Digital sensors; Memosens protocol, Plug&Play for sensors+modules, SD-slot...

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