Endress+Hauser Liquiline CM442R Operating Instructions Manual
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Endress+Hauser Liquiline CM442R Operating Instructions Manual

Universal four-wire multichannel controller cabinet installation
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BA01225C/07/EN/07.17
71358037
Valid as of version
01.06.00
Products
Operating Instructions
Liquiline CM442R/CM444R/
CM448R
Universal four-wire multichannel controller
Cabinet installation
Solutions
Services

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Summary of Contents for Endress+Hauser Liquiline CM442R

  • Page 1 Products Solutions Services BA01225C/07/EN/07.17 71358037 Valid as of version 01.06.00 Operating Instructions Liquiline CM442R/CM444R/ CM448R Universal four-wire multichannel controller Cabinet installation...
  • Page 3 Liquiline CM442R/CM444R/CM448R Table of contents Table of contents Configuration options ....Document information ....5 Warnings .
  • Page 4 Table of contents Liquiline CM442R/CM444R/CM448R Installation and operation in hazardous environment Class I Div. 2 (CM444R and CM448R only) ..152 Index ....... . . 153...

  • Page 5: Document Information

    Liquiline CM442R/CM444R/CM448R 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. If necessary, Consequences of non-compliance (if applicable) ‣...

  • Page 6: Documentation

    Document information Liquiline CM442R/CM444R/CM448R Documentation The following instructions complement these Operating Instructions and are available on the product pages on the internet: • Brief Operating Instructions Liquiline CM44xR, KA01160C • Operating Instructions Memosens, BA01245C – Software description for Memosens inputs –...

  • Page 7: Basic Safety Instructions

    Liquiline CM442R/CM444R/CM448R 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: Occupational Safety

    Basic safety instructions Liquiline CM442R/CM444R/CM448R 2.2.4 Installation environment The device and the associated power units can be operated with 24 V AC, 24 V DC or 100 to 230 V AC and provide shock protection in accordance with IP20. The components have been designed for pollution degree 2, and moisture must not be allowed to collect in them.

  • Page 9: Product Safety

    Liquiline CM442R/CM444R/CM448R Basic safety instructions Product safety 2.5.1 State of the art The product is designed to meet state-of-the-art safety requirements, has been tested, and left the factory in a condition in which it is safe to operate. The relevant regulations and European standards have been observed.

  • Page 10: Device Description

    Device description Liquiline CM442R/CM444R/CM448R Device description Overview A0025815  1 Device with optional, external display (excluding cables) Four-channel or eight-channel device Terminal strip Extension modules (optional) Basic module Shock protection, dummy module Two-channel device External display (optional) External power unit (CM444R or CM448R only)

  • Page 11: Slot And Port Assignment

    Liquiline CM442R/CM444R/CM448R Device description Slot and port assignment Slots BASE-E Ports  2 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 12: Terminal Diagram

    Device description Liquiline CM442R/CM444R/CM448R 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 13: Identification

    Liquiline CM442R/CM444R/CM448R Incoming acceptance and product identification 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 14: Scope Of Delivery

    3. Enter the order code from the nameplate into the search field and then select Show details.  You will receive information on each feature (selected option) of the order code. Manufacturer's address Endress+Hauser Conducta GmbH+Co. KG Dieselstraße 24 D-70839 Gerlingen Scope of delivery The scope of delivery comprises: •...

  • Page 15: Installation

    Liquiline CM442R/CM444R/CM448R Installation Installation Installation conditions 5.1.1 Dimensions 97 (3.82) TS 35 83 (3.27) TS 35 99 (3.90) A0025344  5 Dimensions in mm (inch) Endress+Hauser...
  • Page 16 Installation Liquiline CM442R/CM444R/CM448R 205.5 (8.09) TS 35 97 (3.82) TS 35 220 (8.66) A0025345  6 Dimensions in mm (inch) 5.1.2 Mounting on DIN rail as per IEC 60715 CAUTION The power unit can get very hot under full load Burn hazard ‣...
  • Page 17 Liquiline CM442R/CM444R/CM448R Installation NOTICE Incorrect mounting location in the cabinet, spacing regulations not observed Possible malfunctions as a result of heat development and interference from neighboring devices ‣ Do not position the device directly above sources of heat. Make sure to observe the temperature specification.
  • Page 18 Installation Liquiline CM442R/CM444R/CM448R 5.1.4 Mounting the external display The mounting plate also serves as the drilling template. The marks on the side help you mark the position of the drill holes. 140 (5.51) 105 (4.13) 4 x min. Ø 8 (0.31) min.

  • Page 19: Mounting The Measuring Device

    Liquiline CM442R/CM444R/CM448R Installation Mounting the measuring device 5.2.1 DIN rail mounting The mounting procedure is the same for all Liquiline devices. The example shows a CM448R. 1. In the order configuration, the securing clips are "tightened" to secure the DIN rail.
  • Page 20 Installation Liquiline CM442R/CM444R/CM448R 5.2.3 Mounting the optional external display CAUTION Sharp-edged, non-deburred drill holes Risk of injury, display cable may get damaged ‣ In particular, deburr the central drill hole for the display cable. Mounting the display on the door of the cabinet 1.
  • Page 21 Liquiline CM442R/CM444R/CM448R Installation 5. Pull the display cable through the hole in the middle, and place the display from the outside through the four holes drilled for this purpose, ensuring that the torx screws have been unscrewed to the last half turn but are still in place. Ensure that the rubber frame (seal, highlighted blue) does not become damaged and is properly positioned on the surface of the door.

  • Page 22: Post-Installation Check

    Installation Liquiline CM442R/CM444R/CM448R NOTICE Installation error Damage, e.g. to the cable, or malfunctions are possible ‣ Lay cables in such a way that they do not get squashed e.g. when closing the cabinet door. ‣ Plug the display cable only into the RJ45 socket in the base module. Otherwise, the display will not function.

  • Page 23: Electrical Connection

    Liquiline CM442R/CM444R/CM448R Electrical connection Electrical connection Connection conditions 6.1.1 Via HART (e.g. using HART modem and FieldCare) A0028995  11 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 24: Connecting The Measuring Device

    Electrical connection Liquiline CM442R/CM444R/CM448R 6.1.3 Via Modbus RS485 Modbus Master / Gateway Modbus RS485 (RTU, ASCII) FXA291 FieldCare / Webbrowser Ethernet A0028993  13 Modbus RS485 Terminating resistor 6.1.4 Via Ethernet/Web server/Modbus TCP/EtherNet/IP Modbus TCP client FieldCare/ Webbrowser Ethernet FieldCare...
  • Page 25 Liquiline CM442R/CM444R/CM448R 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 26 Electrical connection Liquiline CM442R/CM444R/CM448R 6.2.2 Connecting the supply voltage for CM442R – – – – – L / + N / – – A0025364 A0012404  15 Connecting power supply on the BASE-H or -L  16 Overall wiring diagram for BASE-H or -L...
  • Page 27 Liquiline CM442R/CM444R/CM448R Electrical connection 6.2.3 Connecting the supply voltage for CM444R and the CM448R – – – – + RD - BK – – Power L/+ N/– PE L/+ N/– * A0015873 A0025365  18 Overall wiring diagram BASE-E and ...

  • Page 28: Connecting The Sensors

    Electrical connection Liquiline CM442R/CM444R/CM448R Connecting the sensors 6.3.1 Sensor types with Memosens protocol Sensors with Memosens protocol Sensor types Sensor cable Sensors Digital sensors without With plug-in • pH sensors additional internal power connection and • ORP sensors supply inductive signal •...
  • Page 29 Liquiline CM442R/CM444R/CM448R Electrical connection 6.3.2 Connecting the functional ground You must always connect the terminal strip with PE from the central node in the cabinet. Use the conductor with cable clamp that is included with the Memosens cable to connect the functional earth to the terminal strip of the device.

  • Page 30: Relays

    Electrical connection Liquiline CM442R/CM444R/CM448R Sensor Sensor A0023038 A0023039  20 sensors without additional supply voltage  21 sensors with additional supply voltage Sensor Sensor 1 Sensor 2 Sensor A0033206  22 sensors with and without additional supply voltage at sensor module 2DS...
  • Page 31 Liquiline CM442R/CM444R/CM448R Electrical connection 6.4.1 Digital inputs and outputs DIO module – – – – – –  24 Wiring  23 Module diagram 6.4.2 Current inputs 2AI module – –  25 Module  26 Wiring diagram Endress+Hauser...
  • Page 32 Electrical connection Liquiline CM442R/CM444R/CM448R 6.4.3 Current outputs – – – – – –  28 Wiring  29 Module  30 Wiring  27 Module diagram diagram 6.4.4 Relay 2R module 4R module  31 Module  32 Wiring  33 Module ...
  • Page 33 Liquiline CM442R/CM444R/CM448R Electrical connection Example: Connecting the cleaning unit 71072583 for CAS40D NOTICE Power consumption too high for the Liquiline alarm relay Can cause irreparable damage to the base module ‣ Only connect the cleaning unit to terminals of an additional module (AOR, 2R or 4R), not to the alarm relay of the base module.

  • Page 34: Connecting Digital Communication

    Electrical connection Liquiline CM442R/CM444R/CM448R Connecting digital communication 6.5.1 Module 485 128/SW Service DGND Termi- nation RS485  38 Wiring  37 Module diagram Terminal PROFIBUS DP Modbus RS485 Not connected DGND DGND LEDs on front of module Description Color Description...
  • Page 35 Liquiline CM442R/CM444R/CM448R Electrical connection DIP switches on front of module Factory Assignment setting 1-128 Bus address (→ "Commissioning/communication") Write protection: "ON" = configuration not possible via the bus, only via local operation Service If the switch is set to "ON" , the user settings for Ethernet addressing are saved and connection settings programmed into the device at the factory are activated: IP address=192.168.1.212, Subnet mask=255.255.255.0, Gateway=0.0.0.0,...
  • Page 36 Electrical connection Liquiline CM442R/CM444R/CM448R DIP switches on front of module Factory Assignment setting 1-128 Bus address (→ "Commissioning/communication") Write protection: "ON" = configuration not possible via the bus, only via local operation Service If the switch is set to "ON" , the user settings for Ethernet addressing are saved and connection settings programmed into the device at the factory are activated: IP address=192.168.1.212, Subnet mask=255.255.255.0, Gateway=0.0.0.0,...

  • Page 37: Hardware Settings

    Liquiline CM442R/CM444R/CM448R Electrical connection 6.5.3 Bus termination There are two ways to terminate the bus: 1. Internal terminating resistor (via DIP switch on the module board) "OFF" "ON"  41 DIP switches for internal terminating resistor ‣ Using a suitable tool, such as a tweezers, set all 4 DIP switches to the "ON" position.

  • Page 38: Ensuring The Degree Of Protection

    Electrical connection Liquiline CM442R/CM444R/CM448R on off on off on off A0026776 A0026777 A0026778  43 Valid PROFIBUS address 67  44 Valid Modbus address 195  45 Invalid address 255 Order configuration, software addressing is active, software address configured at the factory: PROFIBUS 126,...

  • Page 39: Post-Connection Check

    Liquiline CM442R/CM444R/CM448R 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 40: System Integration

    System integration Liquiline CM442R/CM444R/CM448R System integration Web server 7.1.1 Connection ‣ Connect the PC communication cable to the RJ45 port of module 485 or module ETH. 485 / ETH Web Browser A0026779  46 Web server/Ethernet connection 7.1.2 Establishing the data connection To ensure that your device has a valid IP address, you must disable the DHCP parameter in the Ethernet settings.

  • Page 41: Service Interface

    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) 7.1.3 Operation The menu structure of the web server corresponds to the onsite operation.

  • Page 42: Fieldbuses

    System integration Liquiline CM442R/CM444R/CM448R FieldCare FXA291 A0026788  48 Connection overview 7.2.2 Creating the data connection 1. Start Fieldcare. 2. Establish a connection to the Commubox. For this, select the ComDTM "CDI Communication FXA291" 3. Then select the "Liquiline CM44x" DTM and start the configuration.
  • Page 43 Liquiline CM442R/CM444R/CM448R System integration 7.3.2 PROFIBUS DP With the fieldbus module 485 and the appropriate device version, you can communicate via PROFIBUS DP. ‣ Connect the PROFIBUS data cable to the terminals of the fieldbus module as described (→  34).

  • Page 44: Operation Options

    Operation options Liquiline CM442R/CM444R/CM448R Operation options Overview 8.1.1 Display and operating elements (only with optional display) Outlet 1 11:09:15 29.01.2013 CH 1:1 pH 6.99 pH CH 1:1 Temperature 25.1 °C CH 1:2 Nitrate 9.02 mg/l CH 2:1 SAC 2.02 1/m...

  • Page 45: Display

    Liquiline CM442R/CM444R/CM448R Operation options Access to the operating menu via the local display 8.2.1 Operating concept (with optional display) ‣ ‣ Pressing the soft key: selecting the menu directly Turning the navigator: moving the cursor in the menu Menu/Language ‣...

  • Page 46: Configuration Options

    Operation options Liquiline CM442R/CM444R/CM448R 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 47 Liquiline CM442R/CM444R/CM448R 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 48 Operation options Liquiline CM442R/CM444R/CM448R 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 49: Commissioning

    Liquiline CM442R/CM444R/CM448R 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 50: User Definable Screens

    Commissioning Liquiline CM442R/CM444R/CM448R 9.2.2 Display behavior Menu/Operation/Display Function Options Info Contrast 5 to 95 % Adjust the screen settings to suit your working environment. Factory setting 50 % Backlight = Automatic The backlighting is switched off automatically Backlight Selection after a short time if a button is not pressed. It •...

  • Page 51: Basic Setup

    Liquiline CM442R/CM444R/CM448R Commissioning Menu/Operation/User definable screens Function Options Info Actuator type Selection For more information on controllers and • None manipulated variables: →  69. Source of data is a • Bipolar controller • Unipolar- • Unipolar+ Factory setting None...

  • Page 52: Operation

    Operation Liquiline CM442R/CM444R/CM448R 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: • With MENU, CAL and DIAG take you directly to the specific software menu.
  • Page 53 Liquiline CM442R/CM444R/CM448R Operation Sensor type Main value Main / secondary All values measured value Nitrate Nitrate Nitrate, temperature Main value, Raw value, Temperature Turbidity Turbidity Turbidity, temperature Main value, Raw value, Temperature Spectral absorption SAC, temperature Main value, Raw value,...

  • Page 54: General Settings

    Operation Liquiline CM442R/CM444R/CM448R Icon Location Description After the channel number Heartbeat diagnostics: condition of sensor is bad After the channel number Heartbeat diagnostics: condition of sensor is OK Only pH or ORP measurement If two or more diagnostic messages occur simultaneously, only the icon for the message with the highest priority is shown on the display (for the order of priority according to NAMUR, →...
  • Page 55 Liquiline CM442R/CM444R/CM448R Operation 10.2.2 Date and time Menu/Setup/General settings/Date/Time Function Options Info Set date Depends on the format Editing mode: Day (two-digit): 01 to 31 Month (two-digit): 01 to 12 Year (four-digit): 1970 to 2106 Set time Depends on the format...
  • Page 56 Operation Liquiline CM442R/CM444R/CM448R 10.2.4 Logbooks Logbooks record the following events: • Calibration/adjustment events • Operator events • Diagnostic events You define how the logbooks should store the data. In addition, you can also define individual data logbooks . 1. Assign the logbook name.
  • Page 57 Liquiline CM442R/CM444R/CM448R Operation Menu/Setup/General settings/Logbooks Function Options Info Scan time 0:00:01 to 1:00:00 Minimum interval between two entries Format: H:MM:SS Factory setting 0:01:00 Data logbook Selection Ring buffer • Ring buffer If the memory is full, the most recent entry •...
  • Page 58 Operation Liquiline CM442R/CM444R/CM448R Menu/Setup/General settings/Logbooks Function Options Info Line plotter Menu to define the graphic display Axes Selection Should the axes (x, y) be displayed (On) or not • Off (Off)? • On Factory setting Orientation Selection You can choose whether the value curves should •...
  • Page 59 Liquiline CM442R/CM444R/CM448R Operation 10.2.5 Advanced setup Diagnostics settings 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. Menu/Setup/(General settings or Inputs<Sensor channel>)/Extended setup/Diagnostics settings/Diag.
  • Page 60 Operation Liquiline CM442R/CM444R/CM448R HART bus address 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. Menu/Setup/General settings/Extended setup/HART Function Options Info Bus address 0 to 63...
  • Page 61 Liquiline CM442R/CM444R/CM448R Operation Menu/Setup/General settings/Extended setup/Modbus Function Options Info Settings Transmission Mode Selection The transmission mode is displayed depending • TCP on the version ordered. • RTU In the case of RS485 transmission, you can • ASCII choose between RTU and ASCII . There are no choices for Modbus-TCP.
  • Page 62 Operation Liquiline CM442R/CM444R/CM448R Menu/Setup/General settings/Extended setup/Webserver Function Options Info User administration List of users already View/edit You can change user names or passwords or created delete users. A user is already created at the factory: "admin" with password "admin". New user:...
  • Page 63 Liquiline CM442R/CM444R/CM448R Operation Menu/Setup/General settings/Extended setup/Ethernet Function Options Info Netmask xxx.xxx.xxx.xxx On the basis of the IP address of a device, the netmask specifies which IP addresses this device searches for in its own network and which addresses it could access in other networks via a router.
  • Page 64 Operation Liquiline CM442R/CM444R/CM448R Saving the setup Saving the setup gives you the following advantages: • 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 1.
  • Page 65 Liquiline CM442R/CM444R/CM448R Operation 5. Select OK to confirm, or cancel the operation and assign a new file name.  Your setup is saved on the SD card in the "Device" folder. You cannot upload the exported setup to the device again. You must use the Save setup function for this purpose.

  • Page 66: Current Inputs

    Operation Liquiline CM442R/CM444R/CM448R Set the password to lock the keys here: Menu/Setup/General settings/Extended setup/ Data management/Change lock password. 1. Enter the current password (factory setting 0000).  Enter new lock password 2. Enter a new password.  Confirm new lock password 3.

  • Page 67: Outputs

    Liquiline CM442R/CM444R/CM448R Operation 10.4 Outputs 10.4.1 Current outputs The basic version of the device always has two current outputs. You can configure additional current outputs with extension modules. Setting the current output range ‣ Menu/Setup/General settings: select 0..20 mA or 4..20 mA.
  • Page 68 Operation Liquiline CM442R/CM444R/CM448R Source of data Measured value Selection • Temperature • ORP mV • ORP % Oxygen (amp.) Selection • Temperature Oxygen (opt.) • Partial pressure • Concentration liquid • Saturation • Raw value nA (only Oxygen (amp.)) • Raw value μs (only Oxygen (opt.))
  • Page 69 Liquiline CM442R/CM444R/CM448R Operation Source of data Measured value Controller 1 Selection • Bipolar Controller 2 (only for current outputs) • Unipolar+ • Unipolar- Mathematical functions All the mathematical functions can also be used as a data source and the calculated value can be used as the measured value.
  • Page 70 Operation Liquiline CM442R/CM444R/CM448R Outputting the status of a limit switch Function = Limit switch 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 ... 8...
  • Page 71 Liquiline CM442R/CM444R/CM448R Operation 1. PWM (pulse width modulation): The duty cycle is varied within a period T (T=t ). The cycle duration remains constant. y = t / T 10 % 50 % 100 % 1 "High" 0 "Low"  50 Typical application: solenoid valve 2.
  • Page 72 Operation Liquiline CM442R/CM444R/CM448R 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 73 Liquiline CM442R/CM444R/CM448R 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 74: Binary Inputs And Outputs

    Operation Liquiline CM442R/CM444R/CM448R 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) →  67 Please note that if you select Hold behavior = Freeze , the system not only flags the status but also actually "freezes"...
  • Page 75 Liquiline CM442R/CM444R/CM448R 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  52 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 76 Operation Liquiline CM442R/CM444R/CM448R 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 77 Liquiline CM442R/CM444R/CM448R 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 78 Operation Liquiline CM442R/CM444R/CM448R 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 79 Liquiline CM442R/CM444R/CM448R Operation Menu/Setup/Outputs/Binary output x:y Function Options Info Signal type = Static signal Function Options 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 80: Additional Functions

    Operation Liquiline CM442R/CM444R/CM448R Menu/Setup/Outputs/Binary output x:y Function Options Info Source of data Options Source, whose value should be read out as a • None frequency over the binary output. • Sensor inputs • Binary inputs • Controller • Fieldbus signals •...
  • Page 81 Liquiline CM442R/CM444R/CM448R 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 82 Operation Liquiline CM442R/CM444R/CM448R 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 83 Liquiline CM442R/CM444R/CM448R 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  54 Exceeding (A) and undershooting (B) a limit value (without hysteresis and switch-on delay)
  • Page 84 Operation Liquiline CM442R/CM444R/CM448R 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 85 Liquiline CM442R/CM444R/CM448R Operation 10.6.2 Controller Controller structure in Laplace representation A0015007  58 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 ‐...
  • Page 86 Operation Liquiline CM442R/CM444R/CM448R • (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 87 Liquiline CM442R/CM444R/CM448R 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 88 Operation Liquiline CM442R/CM444R/CM448R 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 89 Liquiline CM442R/CM444R/CM448R 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 90 Operation Liquiline CM442R/CM444R/CM448R 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. →  80...
  • Page 91 Liquiline CM442R/CM444R/CM448R 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 92 Operation Liquiline CM442R/CM444R/CM448R 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 93 Liquiline CM442R/CM444R/CM448R 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 94 Operation Liquiline CM442R/CM444R/CM448R Chemoclean Plus An example is the use of the CYR10 injector unit to clean pH glass sensors. (CYR10 connection →  33) Menu/Setup/Additional functions/Cleaning/Cleaning 1 ... 4/Chemoclean Plus/ChemoCleanPlus setup Function Options Info Cleaning steps setup Table to create a time...
  • Page 95 Liquiline CM442R/CM444R/CM448R 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 96 Operation Liquiline CM442R/CM444R/CM448R 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 97 Liquiline CM442R/CM444R/CM448R 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 98 Operation Liquiline CM442R/CM444R/CM448R 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 99 Liquiline CM442R/CM444R/CM448R 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 100 Operation Liquiline CM442R/CM444R/CM448R 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 101 Liquiline CM442R/CM444R/CM448R 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 102 Operation Liquiline CM442R/CM444R/CM448R Symbol Operation Type of operands Type of result Example Decadic logarithm Numerical Numerical LOG(A) Maximum of two values Numerical Numerical MAX(A,B) Minimum of two values Numerical Numerical MIN(20,B) Absolute value Numerical Numerical ABS(C) Boolean → numerical conversion...
  • Page 103 Liquiline CM442R/CM444R/CM448R Operation Menu/Setup/Additional functions/Mathematical functions/MF1 to 6/Mode = Formula Function Options Info Result unit Free text Optionally, enter a unit for the calculated value. Result format Selection Select the number of decimal places. • # • #.# • #.## •...
  • Page 104 Operation Liquiline CM442R/CM444R/CM448R 5. Connect the valve or pump. 10.6.5 Measuring range switching A measuring range switching (MRS) configuration includes the following options for each of the four binary input states: • Operating mode (conductivity or concentration) • Concentration table •...
  • Page 105 Liquiline CM442R/CM444R/CM448R Operation Menu/Setup/Additional functions/Measuring range switch Function Options Info MRS set 1 ... 2 If you enter both activation codes, you have two independent parameter sets available for measuring range switching. The submenus are the same for both sets.
  • Page 106 Operation Liquiline CM442R/CM444R/CM448R Menu/Setup/Additional functions/Measuring range switch Function Options Info Current output Range lower unit Depends on the Operating Units are only queried for Operating mode = mode Conductivity . The other units are pre-defined Range lower value and cannot be modified.
  • Page 107 Liquiline CM442R/CM444R/CM448R Operation Menu/Setup/Additional functions/Diagnostic modules Function Options Info Active low Selection On: The output value is equal to the inverse • Off output value. • On Factory setting Short text Free text Give the diagnostic message a name. Diagnostic module...

  • Page 108: Calibration

    Calibration Liquiline CM442R/CM444R/CM448R 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 109: Diagnostics And Troubleshooting

    Liquiline CM442R/CM444R/CM448R Diagnostics and troubleshooting 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 110: Diagnostic Information Via Web Browser

    Diagnostics and troubleshooting Liquiline CM442R/CM444R/CM448R Problem Possible cause Tests and/or remedial measures Current output, incorrect current Incorrect adjustment Check with integrated current simulation, value connect mA meter directly to current output. Load too large Shunt / short to ground in current loop...
  • Page 111 Liquiline CM442R/CM444R/CM448R Diagnostics and troubleshooting 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 112: Overview Of Diagnostic Information

    Diagnostics and troubleshooting Liquiline CM442R/CM444R/CM448R 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 113 Liquiline CM442R/CM444R/CM448R Diagnostics and troubleshooting Message Factory settings Tests or remedial action Update error Firmware update failed Repeat 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 114 Diagnostics and troubleshooting Liquiline CM442R/CM444R/CM448R Message Factory settings Tests or remedial action ‣ No text catalog Contact the Service Department Language change Language change failed ‣ Contact the Service Department ‣ Diag. setup active Wait for maintenance to be finished.
  • Page 115 Liquiline CM442R/CM444R/CM448R Diagnostics and troubleshooting Message Factory settings Tests or remedial action 961 - Diagnostic module 1 Diagnostic module is enabled (961) Diagnostic module 8 (968) Modbus Watchdog The device did not receive a Modbus telegram from the master within the specified time. The...

  • Page 116: Pending Diagnostic Messages

    Diagnostics and troubleshooting Liquiline CM442R/CM444R/CM448R 12.6.2 Sensor-specific diagnostic messages Operating Instructions "Memosens", BA01245C 12.7 Pending diagnostic messages The Diagnostics menu contains all the information on the device status. Furthermore, various service functions are available. The following messages are directly displayed every time you enter the menu: •...
  • Page 117 Liquiline CM442R/CM444R/CM448R Diagnostics and troubleshooting 12.9.2 Menu Logbooks DIAG/Logbooks Function Options Info All events Chronological list of all the logbook entries, with information on the type of event Show Events are displayed Select a particular event to display more detailed information.
  • Page 118 Diagnostics and troubleshooting Liquiline CM442R/CM444R/CM448R 126.00 126.00 34.00 34.00 09.11.2011 09.11.2011 23.11.2011 23.11.2011 14:02:20 14:02:20 11:25:32 11:25:32 12.00 6.00 09.11.2011 09.11.2011 23.11.2011 23.11.2011 14:02:20 14:02:20 11:25:32 11:25:32 A0016688  61 Simultaneous display of two graphs, the upper one is "selected"...

  • Page 119: Simulation

    Liquiline CM442R/CM444R/CM448R Diagnostics and troubleshooting DIAG/Logbooks Function Options Info All data logbooks Action, Use this function to save the logbook to an SD Data logbook 1 ... 8 commences as soon as the card. All event logbooks option is selected...
  • Page 120 Diagnostics and troubleshooting Liquiline CM442R/CM444R/CM448R DIAG/Simulation Function Options Info Meas. inputs Simulation of a measured value (only for sensors) Channel : parameter This menu appears once for each measuring input. Simulation Selection If you simulate the measured value, this is •...

  • Page 121: Device Test

    Liquiline CM442R/CM444R/CM448R 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 122: Device Information

    Diagnostics and troubleshooting Liquiline CM442R/CM444R/CM448R 12.13 Device information 12.13.1 System information DIAG/System information Function Options Info Device tag Read only Individual device tag → General settings Order code Read only You can order identical hardware with this code. This code changes on account of changes to the...
  • Page 123 Liquiline CM442R/CM444R/CM448R Diagnostics and troubleshooting DIAG/System information Function Options Info System modules Backplane Read only This information is provided for every electronics • Description module available. Specify the serial numbers and Base • Serial number order codes when servicing, for example.

  • Page 124: Firmware History

    • Local display can be locked via Modbus or EtherNet/IP • The output status can also be recorded in the data logbook • Name of Endress+Hauser pH buffer 9.18 changed to 9.22 • CUS51D factor can be read out via fieldbus 03/2016 01.06.00 Expansion BA01225C/07/EN/04.16...
  • Page 125 Liquiline CM442R/CM444R/CM448R Diagnostics and troubleshooting Date Version Changes to firmware Documentation 12/2013 01.05.00 Expansion BA01225C/07/EN/02.13 • Chemoclean Plus BA00486C/07/EN/02.13 • Calendar functionfor cleaning BA01245C/07/EN/01.13 • Conductivity: – Measuring range switchingalso for conductive conductivity measurement – External temperature signal viacurrent input •...

  • Page 126: Maintenance

    Maintenance Liquiline CM442R/CM444R/CM448R 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 127 Liquiline CM442R/CM444R/CM448R 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 128: Repairs

    Preferably use a junction box, which then acts as a stationary connection into the cabinet. Item Order no. Kit CM442R 71222273 Control cabinet installation housing, complete Kit CM44x/CM44xR: electronics module backplane 71101457 • Backplane complete • To be replaced only by Endress+Hauser Service Kit CM444R, CM448R 71222276 Control cabinet installation housing, complete Endress+Hauser...

  • Page 129: Return

    Item Order no. Kit CM44x/CM44xR: electronics module extension backplane 71141366 • Extension backplane complete • To be replaced only by Endress+Hauser Service 5, 11 Kit CM44R 71222282 Set of covers for shock protection 6, 7, 8, 10 Kit CM44x/ CM44xR: extension module AOR (2 relays + 2 current outputs) 71111053 •...

  • Page 130: Disposal

    Repairs Liquiline CM442R/CM444R/CM448R regulations, Endress+Hauser is obliged to follow certain procedures when handling any returned products that have been in contact with medium. To ensure swift, safe and professional device returns, please read the return procedures and conditions at www.endress.com/support/return-material.

  • Page 131: Accessories

    Liquiline CM442R/CM444R/CM448R Accessories 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 Measuring cable CYK10 Memosens data cable • For digital sensors with Memosens technology •...
  • Page 132 Accessories Liquiline CM442R/CM444R/CM448R Orbipore CPS91D • pH electrode with open aperture for media with high dirt load • Product Configurator on the product page: www.endress.com/cps91d Technical Information TI00375C Orbipac CPF81D • Compact pH sensor for installation or immersion operation • In industrial water and wastewater •...
  • Page 133 Liquiline CM442R/CM444R/CM448R Accessories 15.2.4 pH ISFET sensors Tophit CPS441D • Sterilizable ISFET sensor for low-conductivity media • Liquid KCl electrolyte • Product Configurator on the product page: www.endress.com/cps441d Technical Information TI00352C Tophit CPS471D • Sterilizable and autoclavable ISFET sensor for food and pharmaceutics, process engineering •...
  • Page 134 Accessories Liquiline CM442R/CM444R/CM448R Indumax H CLS54D • Inductive conductivity sensor • With certified, hygienic design for foodstuffs, beverages, pharmaceuticals and biotechnology • Product Configurator on the product page: www.endress.com/cls54d Technical Information TI00508C 15.2.7 Conductivity sensors with conductive measurement of conductivity Condumax CLS15D •...
  • Page 135 Liquiline CM442R/CM444R/CM448R Accessories Oxymax COS61D • Optical oxygen sensor for drinking water and industrial water measurement • Measuring principle: quenching • With Memosens technology • Product Configurator on the product page: www.endress.com/cos61d Technical Information TI00387C Memosens COS81D • Sterilizable, optical sensor for dissolved oxygen •...

  • Page 136: Additional Functionality

    Accessories Liquiline CM442R/CM444R/CM448R 15.2.13 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 15.3 Additional functionality 15.3.1 Hardware extension modules Kit, extension module AOR •...
  • Page 137 Liquiline CM442R/CM444R/CM448R Accessories 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 138: Software

    Accessories Liquiline CM442R/CM444R/CM448R Activation code for ChemocleanPlus • Requires relays or digital outputs or fieldbus communication and optional digital inputs • Order No. 71239104 Activation code for Heartbeat Verification and Monitoring Order No. 71367524 Activation code for ion exchanger operating time •...
  • Page 139 Liquiline CM442R/CM444R/CM448R Accessories 15.5.3 Communication-specific accessories Commubox FXA191 • Intrinsically safe HART communication with FieldCare via the RS232C interface • Transforms HART signals on RS 232C interface Technical Information TI00237F Commubox FXA195 Intrinsically safe HART communication with FieldCare via the USB port...

  • Page 140: Technical Data

    Technical data Liquiline CM442R/CM444R/CM448R 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 141 Liquiline CM442R/CM444R/CM448R 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 142 Technical data Liquiline CM442R/CM444R/CM448R Ethernet and Modbus TCP Signal encoding IEEE 802.3 (Ethernet) Data transmission rate 10/100 MBd Galvanic isolation Connection RJ45 IP address DHCP (default) or configuration via menu EtherNet/IP Signal encoding IEEE 802.3 (Ethernet) Data transmission rate 10/100 MBd...
  • Page 143 Liquiline CM442R/CM444R/CM448R 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 144 Technical data Liquiline CM442R/CM444R/CM448R 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) Maximum load • Alarm relay: 0.5 A • All other relays: 2.0 A...
  • Page 145 Liquiline CM442R/CM444R/CM448R 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 146 Technical data Liquiline CM442R/CM444R/CM448R EtherNet/IP 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 147 Liquiline CM442R/CM444R/CM448R Technical data Power consumption CM442 R Depending on supply voltage • 100 to 230 V AC and 24 V AC: Max. 55 VA • 24 V DC: Max. 22 W CM444 R and CM448 R Depending on supply voltage •...
  • Page 148 Technical data Liquiline CM442R/CM444R/CM448R Resolution of current inputs < 5 µA and outputs Repeatability → Documentation of the connected sensor 16.11 Environment Ambient temperature CM442 R range –20 to 60 ˚C (0 to 140 ˚F) CM444 R • Generally –20 to 55 ˚C (0 to 130 ˚F), with the exception of packages under the second point in the list •...
  • Page 149 Liquiline CM442R/CM444R/CM448R Technical data CM448R • 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 150 Technical data Liquiline CM442R/CM444R/CM448R Wall mounting Frequency range 10 to 150 Hz (sinusoidal) Amplitude 10 to 12.9 Hz: 0.75 mm 12.9 to 150 Hz: 0.5 g Test duration 10 frequency cycles/ spatial axis, in 3 spatial axes (1 oct./ min) g ...
  • Page 151 Liquiline CM442R/CM444R/CM448R Technical data Materials DIN rail housing PC-FR Display cover PC-FR Display seal EPDM Soft keys EPDM Module covers PBT GF30 FR Terminal strip Nickel-plated brass Ground terminals Stainless steel 1.4301 (AISI304) Threaded fasteners Stainless steel 1.4301 (AISI304) Mounting plate (optional display) Stainless steel 1.4301 (AISI304)
  • Page 152 Installation and operation in hazardous environment Class I Div. 2 (CM444R and CM448R only) Liquiline CM442R/CM444R/CM448R Installation and operation in hazardous environment Class I Div. 2 (CM444R and CM448R only) Non-sparking device for use in specified hazardous environment in accordance with: •...

  • Page 153: Index

    Liquiline CM442R/CM444R/CM448R Index Index Configure Actions ....... . 47 Accessories Display behavior .
  • Page 154 Index Liquiline CM442R/CM444R/CM448R Formula ....... 101 Redundancy ......96 Electrical safety .
  • Page 155 Liquiline CM442R/CM444R/CM448R Index Output ....... . 141 Performance characteristics ....147 Relay .
  • Page 156 *71358037* 71358037 www.addresses.endress.com...

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