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

Universal four-wire multichannel controller
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Operating Instructions
Liquiline CM442
Universal four-wire multichannel controller
Commissioning
BA444C/07/EN/03.10
71099448
Valid as of:
Software version 01.00.00

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Summary of Contents for Endress+Hauser Liquiline CM442

  • Page 1 Operating Instructions Liquiline CM442 Universal four-wire multichannel controller Commissioning BA444C/07/EN/03.10 71099448 Valid as of: Software version 01.00.00...
  • Page 2 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 & configuration (BA450C) •...

  • Page 3: Table Of Contents

    Liquiline CM442 Table of contents Safety instructions ..4 Technical data... . . 39 Designated use ..... . 4 Input .

  • Page 4: Safety Instructions

    Safety instructions Liquiline CM442 Safety instructions Designated use Liquiline CM442 is a two-channel transmitter 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 •...

  • Page 5: Operational Safety

    Liquiline CM442 Safety instructions • Faults at the measuring point may only be rectified by authorized and properly trained personnel. • If the faults cannot be eliminated, take the products out of service and protect them against unintentional startup. • Repairs not described in these Operating Instructions may only be carried out directly at the manufacturer's or by the Service Organization.
  • Page 6 Safety instructions Liquiline CM442 1.6.2 Document symbols È ä 1 This symbol stands for a cross-reference to a certain page (e.g. Page 1). È å 2 This symbol stands for a cross-reference to a certain graphic (e.g. Fig. 2). Additional information, tips...

  • Page 7: Identification

    Liquiline CM442 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: •...

  • Page 8: Ce Mark: Declaration Of Conformity

    Identification Liquiline CM442 CE mark: Declaration of Conformity With this declaration, the manufacturer guarantees that the product conforms to the regulations of European Directive 2004/108/EC. This is proven by observing the standards listed in the Declaration of Conformity. Endress+Hauser...

  • Page 9: Device Description

    Liquiline CM442 Device description Device description Housing closed Display Weather protection cover (optional) Navigator Sensor or current output cable Power supply cable Soft keys, assignment depends on menu a0012681 Fig. 1: Liquiline mounted on a post Housing open a0012444 Fig. 2: With open display cover (without wiring)

  • Page 10: Identification Of Inputs And Outputs

    Device description Liquiline CM442 Identification of inputs and outputs The electronic configuration follows a modular concept: • Several slots are available for electronics modules. • These slots are numbered consecutively in the housing. Slot 1 is always reserved for the basic module.

  • Page 11: Installation

    Liquiline CM442 Installation 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! Inform your supplier of any damage to the contents.
  • Page 12 Installation Liquiline CM442 4.2.3 Dimensions a0012396 Fig. 4: Field housing dimensions Endress+Hauser...
  • Page 13 Liquiline CM442 Installation 4.2.4 Mounting plate a0012426 Fig. 5: Mounting plate 4.2.5 Weather protection cover (optional) Note! When installing outside, always use the weather protection cover (accessory) to protect the transmitter against weather conditions. a0012428 Fig. 6: Weather protection cover for CM44x...

  • Page 14: Installation Instructions

    Installation Liquiline CM442 Installation instructions Note! 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.
  • Page 15 Liquiline CM442 Installation a0012666 a0012667 Fig. 8: Post mounting Fig. 9: Attaching Liquiline, clicking into place 4.3.2 Railing mounting a0012668 Fig. 10: Railing mounting (exploded view) Weather protection cover (optional) Pipe or post (circular/square) Post mounting plate (post mounting kit)
  • Page 16 Installation Liquiline CM442 a0012669 a0012670 Fig. 11: Railing mounting Fig. 12: Attaching Liquiline, clicking into place 4.3.3 Wall mounting Note! Mount the controller in such a way that the wall support surface is the size of the rear housing panel at the very least.

  • Page 17: Post-Installation Check

    Liquiline CM442 Installation 4.3.4 Disassembly (for conversion, cleaning etc.) " Caution! 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.

  • Page 18: Wiring

    Wiring Liquiline CM442 Wiring Warning! • The electrical connection may only be established by an electrical technician. • The electrical technician must have read and understood these Operating Instructions and must follow the instructions they contain. • Prior to beginning any wiring work, make sure voltage is not applied to any of the cables.

  • Page 19: Cable Terminals

    Liquiline CM442 Wiring Cable terminals 5.3.1 Plug-in terminals for Memosens connections a0012691 a0012692 a0012693 Fig. 21: Press the screwdriver against Fig. 22: Insert the cable until the limit Fig. 23: Remove the screwdriver the clip (opens the terminal) stop (closes the terminal) Note! After connection, make sure that every cable end is securely in place.

  • Page 20: Supply Voltage And Outputs

    Wiring Liquiline CM442 Supply voltage and outputs " Achtung! The device does not have a power switch. The customer must provide a protected circuit breaker in the vicinity of the device. This must be a switch or a power-circuit breaker and must be labeled as the circuit breaker for the device.
  • Page 21 Liquiline CM442 Wiring 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 VAC, 24 VAC) or + and - (24 VDC) to the plug-in terminals on the basic module in accordance with the wiring diagram.
  • Page 22 Wiring Liquiline CM442 5.4.2 Extension module (optional) a0012406 a0012407 Fig. 30: AOR extension module Fig. 31: AOR extension module wiring diagram Current outputs Relay connections Endress+Hauser...

  • Page 23: Sensor Connection

    Liquiline CM442 Wiring Sensor connection 5.5.1 Connecting the cable shield If possible, only use terminated genuine cables. Cable sample (does not necessarily correspond to the genuine cable supplied) a0013210 a0013211 a0013212 Fig. 32: Terminated cable Fig. 33: Inserting the cable Fig.
  • Page 24 Wiring Liquiline CM442 5.5.2 Sensor types with Memosens protocol Sensor types Sensor cable Sensors Digital sensors without CYK10 with connection and • pH sensors additional power supply inductive signal transmission • ORP sensors • Amperometric oxygen sensors • Conductive conductivity sensors...

  • Page 25: Post-Connection Check

    Liquiline CM442 Wiring 2. Internal connection of M12 socket to basic module • Device versions with an M12 socket are ready-wired upon delivery. • You connect the plug of the sensor cable directly to the M12 socket on the underside of the device.

  • Page 26: Operation

    Operation Liquiline CM442 Operation Display and operating elements 6.1.1 Overview a0011764 Fig. 38: Overview of 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...

  • Page 27: Operation Concept

    Liquiline CM442 Operation Operation concept a0012790-en a0012791-en Fig. 40: Pressing the soft key: selecting the menu directly Fig. 41: Turning the navigator: moving the cursor in the menu a0012792-en a0012793-en Fig. 42: Pressing the navigator: launching a function Fig. 43: Turning the navigator: selecting a value (e.g. from...

  • Page 28: Configuration Options

    Operation Liquiline CM442 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.
  • Page 29 Liquiline CM442 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: –...

  • Page 30: Commissioning

    Commissioning Liquiline CM442 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.

  • Page 31: General Settings

    Liquiline CM442 Commissioning 7.2.2 Display settings Path:Menu / Display/Operation Function Options Info Contrast 5 ... 95 % Adjust the screen settings to suit your working environment. Backlight Options Backlight="Automatic" • On The backlighting is switched off automatically after • Off a short time if a button is not pressed.
  • Page 32 Commissioning Liquiline CM442 7.3.1 General settings Path: Menu/Setup/General settings Function Options Info Device tag Customized text, 20 Select any name for your controller. Use the TAG characters name for example. Temperature unit Options • °C • °F • K Factory setting °C...
  • Page 33 Liquiline CM442 Commissioning Path: Menu/Setup/General settings/Date/Time Function Options Info Time format Options Decide whether you want to use the 12-hour or • HH:MM am (12h) 24-hour clock. Seconds can also be displayed with • HH:MM (24h) the latter version. • HH:MM:SS (24h)
  • Page 34 Commissioning Liquiline CM442 Path: Menu/Setup/General settings/Logbooks Function Options Info Event logbook Options All diagnostic messages are recorded • Off Ring buffer • Ring buffer If the memory is full, the latest entry automatically • Fill up buffer overwrites the oldest entry.
  • Page 35 Liquiline CM442 Commissioning Path: Menu/Setup/General settings/Logbooks Function Options Info Data logbook Options Ring buffer • Off If the memory is full, the latest entry automatically • Ring buffer overwrites the oldest entry. • Fill up buffer Fill up buffer If the memory is full, there is an overflow, i.e. no Factory setting new values can be saved.
  • Page 36 Commissioning Liquiline CM442 7.3.4 Automatic hold Path: Menu/Setup/General settings/Automatic hold Function Options Info Device specific hold Setup menu Options Decide whether a hold should be output at the • Disabled current output when the particular menu is Diagnostics menu • Enabled opened.

  • Page 37: Measuring Mode

    Liquiline CM442 Commissioning Paths: Menu/Setup/General settings/Diagnostics or Menu/Setup/Inputs/Diag. settings/Diag. behavior Function Options Info Diag. output Options You can use this function to select an output to • None which the diagnostic message should be assigned. • Alarm relay You first have to configure a relay output before •...
  • Page 38 Commissioning Liquiline CM442 Sensor type Main value Primary value / secondary All values value pH, glass pH value pH value, temperature Main value, Raw value, Temperature, Impedance glass pH, ISFET pH value pH value, temperature Main value, Raw value, Temperature...

  • Page 39: Technical Data

    Liquiline CM442 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 8.1.4 Cable type Memosens data cable CYK10 or fixed sensor cable, each with cable end sleeves or M12 round pin plug 8.1.5 Cable length...

  • Page 40: Current Output, Active

    Technical data Liquiline CM442 Current output, active 8.3.1 Span 0 to 23 mA 8.3.2 Signal characteristics Linear 8.3.3 Output voltage Max. 24 V 8.3.4 Cable type Recommendation: shielded cable 8.3.5 Cable cross-section Max. 2.5 mm (14 AWG) Relay outputs 8.4.1 Relay types •...

  • Page 41: Wiring

    Liquiline CM442 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.

  • Page 42: Performance Characteristics

    Technical data Liquiline CM442 8.5.4 Cable specification Cable gland Permitted cable diameter M16x1.5 mm 2 to 6 mm (0.08 to 0.24") M12x1.5 mm 2 to 5 mm (0.08 to 0.20") M20x1.5 mm 6 to 12 mm (0.24 to 0.48") NPT3/8"...

  • Page 43: Environment

    Liquiline CM442 Technical data Environment 8.7.1 Ambient temperature range –20 to 60 °C (0 to 140 °F) 8.7.2 Storage temperature –40 to 80 °C (–40 to 175 °F) 8.7.3 Degree of protection IP 66/67, impermeability and corrosion resistance as per NEMA 4X 8.7.4 Electromagnetic compatibility...
  • Page 44 Technical data Liquiline CM442 8.8.3 Material Lower housing section PC-FR Display cover PC-FR Display film 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)

  • Page 45: Index

    Liquiline CM442 Index Basic module ......20 Declaration of Conformity ....8 Battery type .
  • Page 46 Liquiline CM442 Icons Nameplate......7 Warnings ......5 Identification .
  • Page 47 Liquiline CM442 Railing mounting ......15 Reference temperature ....42 Relative humidity .
  • Page 48 www.endress.com/worldwide BA444C/07/EN/03.10 FM+SGML 6.0 71099448...

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