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Overview of documentation The Operating Instructions are split into several parts: Commissioning (BA444C) • All steps that you have to carry out once only during initial commissioning • Descriptions of menus – General settings – Display/operation • Technical data Operation & settings (BA450C) •...
Safety instructions Liquiline CM442/CM444/CM448 Safety instructions Designated use Liquiline CM44x is a multichannel controller for connecting digital sensors with Memosens technology in non-hazardous locations. The device is designed for use in the following applications: • Water and wastewater • Power stations •...
Operating Instructions. Return Before returning the device: ► Contact your local Endress+Hauser sales office to ask about return procedures. Notes on safety conventions and icons 1.5.1 Warnings The structure, signal words and color coding of the warnings follow the specifications of ANSI Z535.6 ("Product safety information in product manuals, instructions and other collateral materials").
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Safety instructions Liquiline CM442/CM444/CM448 1.5.2 Document symbols È ä This symbol stands for a cross-reference to a certain page (e.g. Page 1). È å This symbol stands for a cross-reference to a certain graphic (e.g. Fig. 2). Additional information, tips...
Liquiline CM442/CM444/CM448 Identification Identification Device designation 2.1.1 Nameplate Nameplates can be found: • On the outside of the housing • On the packaging (adhesive label, portrait format) • On the inside of the display cover The nameplate provides you with the following information on your device: •...
Device description Liquiline CM442/CM444/CM448 Certificates and approvals 2.3.1 CE mark: Declaration of Conformity With this declaration, the manufacturer guarantees that the product conforms to the regulations of European Directive 2004/108/EC and Low Voltage Directive 2006/95/EC. This is proven by observing the standards listed in the Declaration of Conformity.
Liquiline CM442/CM444/CM448 Device description Housing open a0016165 Fig. 2: Example of a CM444 with an open display cover (without wiring) Storage slot for SD card Cable mounting rail Basic module Threaded bolt for protective ground connection Extension modules (optional) Extension power unit...
Device description Liquiline CM442/CM444/CM448 Device architecture 3.3.1 Slot and port coding a0015819-en Fig. 3: Slot and port coding of hardware and on-screen display The electronic configuration follows a modular concept: • Several slots are available for electronics modules. • These slots are numbered consecutively in the housing. Slots 0 and 1 are always reserved for the basic module.
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Liquiline CM442/CM444/CM448 Device description • The outputs and relays are named after their function, e.g. "Current output", and are displayed in ascending order with the slot and port numbers Example, → å 3: – If "Current output 2:1" is displayed, this means: Slot 2 (e.g.
Installation Liquiline CM442/CM444/CM448 Installation Incoming acceptance, transport, storage ► Make sure the packaging is not damaged! ► Inform your supplier of any damage to the packaging. Please keep the damaged packaging until any issues have been resolved. ► Make sure the contents are not damaged! ►...
Liquiline CM442/CM444/CM448 Installation Installation instructions You require the post mounting kit to mount the unit on a pipe, post or railing (circular or square, clamping range 20 to 61 mm (0.79 to 2.40")). The post mounting kit can be ordered as an option.
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Liquiline CM442/CM444/CM448 Installation 4.3.3 Wall mounting Mount the controller in such a way that the wall support surface is the size of the rear housing panel at the very least. a0012684 a0012685 Fig. 15: Wall mounting Fig. 16: Attaching Liquiline, clicking into...
Installation Liquiline CM442/CM444/CM448 4.3.4 Disassembly (for conversion, cleaning etc.) NOTICE The controller can be damaged if dropped ► When pushing the housing out of the holder, secure the housing in such a way that you do not drop it. If possible, ask a second person to help you.
Liquiline CM442/CM444/CM448 Wiring Wiring WARNING The device is live! Incorrect wiring can result in injury or fatality ► The electrical connection may only be established by an electrical technician. ► The electrical technician must have read and understood these Operating Instructions and must fol- low the instructions they contain.
Wiring Liquiline CM442/CM444/CM448 Opening the housing NOTICE Pointed or sharp tools If unsuitable tools are used, they can scratch the housing or damage the seal, and thus have a negative impact on the leak-tightness of the housing. ► Do not use any sharp or pointed objects, such as a knife, to open the housing.
Liquiline CM442/CM444/CM448 Wiring Connecting the cable shield If possible, only use terminated genuine cables. The sensor, fieldbus and ethernet cables must be shielded. Cable sample (does not necessarily correspond to the genuine cable supplied) a0013210 a0013211 a0013212 Fig. 26: Terminated cable Fig.
Wiring Liquiline CM442/CM444/CM448 Cable terminals 5.5.1 Plug-in terminals for Memosens and PROFIBUS/RS485 connections a0012691 a0012692 a0012693 Fig. 29: Press the screwdriver against the Fig. 30: Insert the cable until the limit Fig. 31: Remove the screwdriver (closes clip (opens the terminal)
Liquiline CM442/CM444/CM448 Wiring Connecting the supply voltage NOTICE The device does not have a power switch ► You must provide a protected circuit breaker in the vicinity of the device. ► This must be a switch or a power-circuit breaker and you must label it as the circuit breaker for the device.
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Wiring Liquiline CM442/CM444/CM448 Connecting the supply voltage Route the power supply cable into the housing through the suitable cable entry. Connect the cable cores L and N (100 to 230 V AC, 24 V AC) or + and - (24 V DC) to the plug-in terminals on the basic module in accordance with the wiring diagram.
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Liquiline CM442/CM444/CM448 Wiring 5.6.2 CM444 and CM448 a0015872 a0015873 Fig. 38: Power supply connection with BASE-E Fig. 39: Overall wiring diagram BASE-E and extension power unit Internal power supply cable Extension power unit Endress+Hauser...
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Wiring Liquiline CM442/CM444/CM448 Connecting the supply voltage Route the power supply cable into the housing through the suitable cable entry. Connect the cable cores L and N (100 to 230 V AC) or + and - (24 V DC) to the plug-in terminals on the power unit in accordance with the wiring diagram.
Liquiline CM442/CM444/CM448 Wiring Sensor connection 5.7.1 Sensor types with Memosens protocol Sensor types Sensor cable Sensors Digital sensors without additional CYK10 with connection and • pH sensors power supply inductive signal transmission • ORP sensors • Combined sensors • Amperometric oxygen sensors •...
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Wiring Liquiline CM442/CM444/CM448 1. Sensor cable connected directly a0012459 a0012460 Fig. 41: Sensors without additional supply voltage Fig. 42: Sensors with additional supply voltage a0016197 Fig. 43: Sensors with and without additional supply voltage at sensor module 2DS Endress+Hauser...
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Liquiline CM442/CM444/CM448 Wiring 2. Internal connection of M12 socket to basic module or sensor module Device versions with a premounted M12 socket are ready-wired upon delivery. ► Connect the plug of the sensor cable directly to the M12 socket on the underside of the device.
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Wiring Liquiline CM442/CM444/CM448 5.8.1 Current inputs Module 2AI a0016184 a0015761 Fig. 45: Module front Fig. 46: Wiring diagram 5.8.2 Current outputs Module 2AO Module 4AO a0016179 a0015759 a0016178 a0015760 Fig. 47: Module front Fig. 48: Wiring diagram Fig. 49: Module front Fig.
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Liquiline CM442/CM444/CM448 Wiring 5.8.3 Relays Module 2R Module 4R a0016181 a0015758 a0016182 a0015757 Fig. 51: Module front Fig. 52: Wiring diagram Fig. 53: Module front Fig. 54: Wiring diagram Example: Connecting the cleaning unit 71072583 for CAS40D a0016195 Fig. 55: Connecting the cleaning unit for CAS40D...
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Wiring Liquiline CM442/CM444/CM448 Example: Connecting the injector cleaning unit Chemoclean CYR10 a0016194 Fig. 56: Connecting the injector cleaning unit CYR10 External power supply Cleaner to spray head Container with cleaner Motive water 2 to 12 bar (30 to 180 psi)
Liquiline CM442/CM444/CM448 Wiring Connecting digital communication 5.9.1 Module 485 a0016173 a0015762 Fig. 57: Bus connections on module 485 Fig. 58: Wiring diagram for module 485 Optional to supply power to an external terminating resistor for bus termination LEDs on front of module...
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Wiring Liquiline CM442/CM444/CM448 DIP switches on front of module Factory setting Assignment 1-128 Bus address (--> "Commissioning/Communication") Write protection: "ON" = configuration not possible via the bus, only via local operation Service Only for service, not to be used by the operator 5.9.2 Connection via M12 connector...
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Liquiline CM442/CM444/CM448 Wiring Ethernet, Web server Internal connection Pin assignment in connector and socket a0016314 Fig. 63: Connector (left) and socket (right) Shield * = Thread a0016313 Fig. 62: Ethernet socket Endress+Hauser...
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Wiring Liquiline CM442/CM444/CM448 5.9.3 Bus termination There are two ways to terminate the bus: 1. Internal terminating resistor (via DIP switch on the module board) Fig. 64: DIP switches for internal terminating resistor ► Using a suitable tool, such as a tweezers, set all 4 DIP switches to the "ON" position. The inter- nal terminating resistor is used.
Liquiline CM442/CM444/CM448 Wiring 5.10 Post-connection check WARNING Wiring errors Incorrect wiring puts the safety of people and the measuring point at risk. The manufacturer does not accept any responsibility for errors that result from failure to comply with the instructions in this manual.
Operation Liquiline CM442/CM444/CM448 Operation Display and operating elements 6.1.1 Overview a0011764 Fig. 66: Overviewof operation Display (red background in the event of an error) Navigator (jog/shuttle and press/hold function) Soft keys (function depends on the menu) 6.1.2 Display Menu path and/or device designation...
Liquiline CM442/CM444/CM448 Operation Operation concept a0012790-en a0012791-en Fig. 68: Pressing the soft key: selecting the menu directly Fig. 69: Turning the navigator: moving the cursor in the menu a0012792-en a0012793-en Fig. 70: Pressing the navigator: launching a function Fig. 71: Turning the navigator: selecting a value (e.g. from a list)
Operation Liquiline CM442/CM444/CM448 Configuration options 6.3.1 Display only • You can only read the values but cannot change them. • Typical read-only values are: sensor data and system information • Example: Menu/Setup/Inputs/../Sensor type 6.3.2 Picklists • You receive a list of options.
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Liquiline CM442/CM444/CM448 Operation 6.3.5 Customized text • You are assigning an individual designation. • Enter a text. You can use the characters in the editor for this purpose (upper-case and lower-case letters, numbers and special characters). • Using the soft keys, you can: –...
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Operation Liquiline CM442/CM444/CM448 6.3.6 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.
Liquiline CM442/CM444/CM448 Commissioning Commissioning Function check WARNING Incorrect connection, incorrect supply voltage Safety risks for staff and incorrect operation of the device ► Check that all connections have been established correctly in accordance with the wiring diagram. ► Make sure that the supply voltage matches the voltage indicated on the nameplate.
Commissioning Liquiline CM442/CM444/CM448 Switching on the unit 7.3.1 First steps If you have not already done so, close the housing cover and screw the device closed. Switch on the supply voltage. Wait for the initialization to complete. Press the soft key for "MENU" and first select your language in the top menu item.
Liquiline CM442/CM444/CM448 Commissioning Path:Menu / Display/Operation Function Options Info Source of data Options Select a data source. You can choose from connected • Sensor inputs sensors, available controllers, current inputs, field bus signals • Controller and mathematical functions. • Current inputs •...
Commissioning Liquiline CM442/CM444/CM448 Menu inBasic setup Section in BA450C Software path in main menu Current outputx:y Outputs Setup/Outputs/Current output x:y Alarm relay Outputs Setup/Outputs/Alarm relay Relay x:y Outputs Setup/Outputs/Relay x:y Limit switches Additional functions Setup/Additional functions/Limit switches Controllers Additional functions...
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Liquiline CM442/CM444/CM448 Commissioning Sensor type Main value Primary value / secondary All values value Chlorine, Chlorine Chlorine, temperature Main value, Raw value, Temperature amperometric Nitrate Nitrate Nitrate, temperature Main value, Raw value, Temperature Turbidity Turbidity Turbidity, temperature Main value, Raw value, Temperature...
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Commissioning Liquiline CM442/CM444/CM448 Icon Location Description At measured value The measured value is influenced by a simulated value At measured value The displayed measured value is simulated If two or more diagnostics messages occur simultaneously, only the icon for the message with the highest priority is shown on the display.
Liquiline CM442/CM444/CM448 Technical data Technical data Input 8.1.1 Measured variables --> Documentation of the connected sensor 8.1.2 Measuring ranges --> Documentation of the connected sensor 8.1.3 Input types • Digital sensor inputs • Analog current inputs (optional) 8.1.4 Input signal Depending on the version •...
Technical data Liquiline CM442/CM444/CM448 Output 8.2.1 Output signal Depends on the version: • 1 to 8 x 0/4 to 20 mA, active, potentially isolated from the sensor circuits and from one another • Of these, 1 x with optional HART communication (only via current output 1:1)
Liquiline CM442/CM444/CM448 Technical data Ethernet and Modbus TCP Signal encoding IEEE 802.3 (ethernet) Data transmission rate 10 / 100 MBd Galvanic isolation Connection RJ45, optional M12 IP address DHCP or configuration via menu 8.2.2 Signal on alarm Adjustable, as per NAMUR Recommendation NE 43 •...
Liquiline CM442/CM444/CM448 Technical data Minimum load (typical) • Min. 100 mA with 5 V DC • Min. 1 mA with 24 V DC • Min. 5 mA with 24 V AC • Min. 1 mA with 230 V AC 8.4.3 Cable cross-section Max.
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Technical data Liquiline CM442/CM444/CM448 8.5.2 PROFIBUS DP Manufacturer ID Device type 155D (CM44x), 155C (CSFxx), 155E (CSPxx) Profile version 3.02 Device master files (GSD) www.products.endress.com/profibus Device Integration Manager DIM Output 16 AI blocks, 8 DI blocks Input 8 AO blocks, 4 DO blocks Supported features •...
Liquiline CM442/CM444/CM448 Technical data 8.5.5 Web server TCP port Supported features • Remote-controlled device configuration • Device configuration saved/restored • Logbook export (file formats: CSV, FDM) • Web server accessed via DTM or Internet Explorer Power supply 8.6.1 Supply voltage...
Technical data Liquiline CM442/CM444/CM448 8.6.4 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 Max. 73 VA 8.6.5 Mains fuse CM442 5x20 mm, 250 V, 4.0 A, slow-blow (T4.0A)
Liquiline CM442/CM444/CM448 Technical data 8.7.6 Repeatability --> Documentation of the connected sensor Environment 8.8.1 Ambient temperature range CM442 –20 to 60 ˚C (0 to 140 ˚F) CM444 –20 to 55 ˚C (0 to 130 ˚F) CM448 • Generally –20 to 55 ˚C (0 to 130 ˚F), with the exception of packages under the second point in the list •...
Technical data Liquiline CM442/CM444/CM448 Mechanical construction 8.9.1 Dimensions --> "Mounting" section 8.9.2 Weight Approx. 2.1 kg (4.63 lbs), depending on the version 8.9.3 Material Lower housing section PC-FR Display cover PC-FR Display film and soft keys Housing seal EPDM Module side panels...
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