Endress+Hauser Liquiline CM442 User manual

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

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)
• Individual input settings
– Sensor-specific settings
– Calibration settings
– Sensor-dependent diagnostics settings
• Configuration of optional outputs
– Current outputs
– Alarm relays
–Relays
• Additional functions
– Limit contactor
– Controller
– Cleaning programs
• Data administration
Calibration (BA451C)
• Calibration menus
• Examples
Maintenance & diagnostics (BA445C)
• Maintenance
• Troubleshooting and diagnostics
– Diagnostics menu
– Troubleshooting instructions (troubleshooting and fault elimination)
– Process-dependent errors
• Accessories and spare parts
Operating Instructions BA444C, BA445C, BA450C and BA451C in all the available
languages can be found on the CD-ROM enclosed.

Endress+Hauser
Liquiline CM442
Table of contents
1 Safety instructions . . . . . . . . . . 4
1.1 Designated use . . . . . . . . . . . . . . . . . . . . . . 4
1.2 Incoming acceptance, transport, storage . . . 4
1.3 Installation, commissioning and operation . 4
1.4 Operational safety . . . . . . . . . . . . . . . . . . . 5
1.5 Return . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
1.6 Notes on safety conventions and icons . . . . 5
2 Identification . . . . . . . . . . . . . . 7
2.1 Device designation . . . . . . . . . . . . . . . . . . . 7
2.2 Scope of delivery . . . . . . . . . . . . . . . . . . . . 7
2.3 CE mark: Declaration of Conformity . . . . . 8
3 Device description . . . . . . . . . . 9
3.1 Housing closed . . . . . . . . . . . . . . . . . . . . . . 9
3.2 Housing open . . . . . . . . . . . . . . . . . . . . . . . 9
3.3 Identification of inputs and outputs . . . . . 10
4 Installation . . . . . . . . . . . . . . . 11
4.1 Incoming acceptance, transport, storage . . 11
4.2 Installation conditions . . . . . . . . . . . . . . . 11
4.3 Installation instructions . . . . . . . . . . . . . . 14
4.4 Post-installation check . . . . . . . . . . . . . . . 17
5 Wiring . . . . . . . . . . . . . . . . . . 18
5.1 Opening the housing . . . . . . . . . . . . . . . . 18
5.2 Cable mounting rail . . . . . . . . . . . . . . . . . 18
5.3 Cable terminals . . . . . . . . . . . . . . . . . . . . 19
5.4 Supply voltage and outputs . . . . . . . . . . . . 20
5.5 Sensor connection . . . . . . . . . . . . . . . . . . 23
5.6 Post-connection check . . . . . . . . . . . . . . . 25
6 Operation . . . . . . . . . . . . . . . . 26
6.1 Display and operating elements . . . . . . . . 26
6.2 Operation concept . . . . . . . . . . . . . . . . . . 27
6.3 Configuration options . . . . . . . . . . . . . . . . 28
7 Commissioning. . . . . . . . . . . . 30
7.1 Function check . . . . . . . . . . . . . . . . . . . . 30
7.2 Switching on the unit . . . . . . . . . . . . . . . . 30
7.3 General settings . . . . . . . . . . . . . . . . . . . . 31
7.4 Measuring mode . . . . . . . . . . . . . . . . . . . 37
8 Technical data . . . . . . . . . . . . . 39
8.1 Input . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39
8.2 Output . . . . . . . . . . . . . . . . . . . . . . . . . . . 39
8.3 Current output, active . . . . . . . . . . . . . . . 40
8.4 Relay outputs . . . . . . . . . . . . . . . . . . . . . . 40
8.5 Wiring . . . . . . . . . . . . . . . . . . . . . . . . . . . 41
8.6 Performance characteristics . . . . . . . . . . . . 42
8.7 Environment . . . . . . . . . . . . . . . . . . . . . . 43
8.8 Mechanical construction . . . . . . . . . . . . . . 43
Index. . . . . . . . . . . . . . . . . . . . 45

Safety instructions Liquiline CM442
4Endress+Hauser
1 Safety instructions
1.1 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
• Chemical industry
• Industrial wastewater treatment plants
If the device is used for any purpose other than that described, this poses a threat to the safety
of people and the entire measuring system and is thus not permitted.
The manufacturer does not accept liability for damage caused by improper or non-designated
use.
1.2 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.
Please keep the damaged goods until any issues have been resolved.
• Check the scope of delivery against the delivery papers and your order to ensure it is complete
and nothing is missing.
• Pack the product in such a way as to protect it reliably against impact and moisture for storage
and transportation. Optimum protection is provided by the original packaging materials. In
addition, the permitted ambient conditions must be observed (see Technical data).
• If you have any queries, please contact your supplier or local sales center.
1.3 Installation, commissioning and operation
Observe the following points:
• Installation, commissioning, operation and maintenance of the measuring system must only
be carried out by trained technical personnel.
The technical personnel must be authorized to perform the tasks by the owner-operator.
• The electrical connection may only be established by an electrical technician.
• The technical personnel must have read and understood these Operating Instructions and
must follow the instructions they contain.
• Prior to commissioning the entire measuring point, check that all connections are correct.
Make sure that electric cables and hose connections are not damaged.
• Do not commission damaged products. Protect them against unintentional startup. Label and
identify the damaged product as defective.

Liquiline CM442 Safety instructions
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• 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.
1.4 Operational safety
As the user, you are responsible for observing the following safety regulations:
• Installation guidelines
• Local standards and regulations
Electromagnetic compatibility
With regard to electromagnetic compatibility, this device has been tested in accordance with the
applicable European standards for industrial applications.
The electromagnetic compatibility indicated only applies to a device that has been connected in
accordance with the instructions in these Operating Instructions.
1.5 Return
If returning the transmitter, please send it cleaned to your sales center.
Use the original packaging when returning the device.
1.6 Notes on safety conventions and icons
1.6.1 Warnings
#
Warning!
This symbol alerts you to dangers.
If the warning is not observed, this can result in serious injury to people or damage
to property.
"
Caution!
This symbol alerts you to possible malfunctions resulting from incorrect operation.
If not observed, this could result in damage to property.
!Note!
This symbol indicates important items of information.

Safety instructions Liquiline CM442
6Endress+Hauser
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
Permitted or recommended
Forbidden or not recommended

Liquiline CM442 Identification
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2 Identification
2.1 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:
•Ordercode
• Extended order code
• Serial number
• Firmware version
• Input, output values
• Protection class
• Environment
• Activation codes
• Safety notices, warnings
Compare the data on the nameplate with your order.
2.1.2 Serial number and order code
The order code and serial number of your device can be found in the following locations:
• On the nameplate
• On the front page of these Operating Instructions
• In the delivery papers
To find out what controller version you have, enter the order code indicated on the
nameplate in the search screen at the following address:
www.products.endress.com/order-ident
2.2 Scope of delivery
• 1 controller in the version ordered
• 1 mounting plate
• 1 wiring label (attached at the factory to the inside of the display cover)
• 1 CD with Operating Instructions
• 1 printed copy of the "Commissioning" section of the Operating Instructions in the language
ordered
If you have any queries, please contact your supplier or local sales center.

Identification Liquiline CM442
8Endress+Hauser
2.3 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.

Liquiline CM442 Device description
Endress+Hauser 9
3 Device description
3.1 Housing closed
3.2 Housing open
a0012681
Fig. 1: Liquiline mounted on a post
1
2
3
4
5
6
Display
Weather protection cover (optional)
Navigator
Sensor or current output cable
Power supply cable
Soft keys, assignment depends on menu
a0012444
Fig. 2: With open display cover (without wiring)
1
2
3
4
5
Storage slot for SD card
Basic module
Extension module (optional)
Shock protection, dummy cover and end cover
Connection area for subsequent extensions
6
7
8
9
10
Cable mounting rail
Dummy plug for cable gland borehole
M12 connectors for sensor connection (optional)
Threaded bolt for protective ground connection
Distribution terminals for L, N or switched signals
12
3
4
5
6

Device description Liquiline CM442
10 Endress+Hauser
3.3 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.
• Each electronics module has one or more inputs or outputs.
• The inputs and outputs are also numbered consecutively per electronics module.
• The software automatically detects what inputs and outputs are available.
Measured value display:
1. Channel number (English), e.g. "CH1:" for channel 1
2. Slot and input number, e.g. "1:1" for slot 1 (basic module) and the related input 1
3. Connected sensor type, e.g. "ORP"
4. Current measured value, e.g. 301 mV
The same logic is applied to number the outputs: name of the output, slot number and
output number, e.g. "current output 1:1".
a0013234
Fig. 3: Slot and input identification
A Slot numbering, in graphic: slot 1 with basic module
B Input numbering, in graphic: Memosens inputs 1 and 2 on basic module (slot 1)