Endress+Hauser CM44P Operating Manual

BA01570C/07/EN/07.19
71463751
2019-11-30

Valid as of version

01.07.00

Products Solutions Services

Operating Instructions

Liquiline CM44P

Universal four-wire multichannel controller for process
photometers and Memosens sensors

Liquiline CM44P Table of contents

Table of contents

1 About this document ................ 5

1.1 Warnings ............................ 5

1.2 Symbols .............................. 5

1.3 Symbols on the device ................... 5

1.4 Documentation ........................ 6

2 Basic safety instructions ............ 7

2.1 Requirements for personnel ............... 7

2.2 Designated use ........................ 7

2.3 Workplace safety ....................... 8

2.4 Operational safety ...................... 8

2.5 Product safety ......................... 9

3 Device description ................. 10

3.1 Housing closed (field device) ............. 10

3.2 Housing open (field device) .............. 10

3.3 Overview (cabinet device) ................ 11

3.4 Slot and port assignment ................ 12

3.5 Terminal diagram ..................... 13

4 Incoming acceptance and product

identification ..................... 14

4.1 Incoming acceptance ................... 14

4.2 Product identification ................... 14

4.3 Scope of delivery ...................... 15

4.4 Certificates and approvals ............... 15

5 Installation ....................... 17

5.1 Installation conditions .................. 17

5.2 Mounting the measuring device (field

device) ............................. 21

5.3 Mounting the measuring device (cabinet

device) ............................. 26

5.4 Post-installation check .................. 29

6 Electrical connection .............. 30

6.1 Connection conditions .................. 30

6.2 Connecting the measuring device .......... 31

6.3 Connecting the sensors ................. 36

6.4 Connecting additional inputs, outputs or

relays .............................. 40

6.5 Connecting PROFIBUS DP or Modbus RS

485 ................................ 44

6.6 Hardware settings ..................... 47

6.7 Ensuring the degree of protection .......... 48

6.8 Post-connection check .................. 49

7 System integration ................ 50

7.1 Web server .......................... 50

7.2 Service interface ...................... 51

7.3 Fieldbuses ........................... 52

8 Operation options ................. 54

8.1 Overview ............................ 54

8.2 Access to the operating menu via the local

display ............................. 55

8.3 Configuration options .................. 56

9 Commissioning .................... 59

9.1 Function check ....................... 59

9.2 Power up ............................ 59

9.3 User definable screens ................. 60

9.4 Basic setup .......................... 61

10 Operation ......................... 62

10.1 Display ............................. 62

10.2 General settings ....................... 64

10.3 Inputs .............................. 78

10.4 Outputs ............................. 86

10.5 Binary inputs and outputs ............... 95

10.6 Additional functions .................. 100

11 Calibration ...................... 130

11.1 Calibration instructions ................ 130

11.2 Menu CAL .......................... 132

12 Diagnostics and troubleshooting .. 136

12.1 General troubleshooting ................ 136

12.2 Diagnostic information on the local display .. 137

12.3 Diagnostic information via web browser .... 137

12.4 Diagnostic information via fieldbus ........ 137

12.5 Adapting the diagnostic information ...... 137

12.6 Overview of diagnostic information ....... 139

12.7 Pending diagnostic messages ............ 158

12.8 Diagnostics list ...................... 159

12.9 Event logbook ....................... 159

12.10 Simulation ......................... 162

12.11 Device test .......................... 164

12.12 Resetting the measuring device .......... 164

12.13 Device information ................... 165

12.14 Firmware history ..................... 168

13 Maintenance .................... 170

13.1 Cleaning ........................... 170

14 Repair ........................... 172

14.1 Spare parts ......................... 172

14.2 Return ............................. 175

14.3 Disposal ........................... 175

15 Accessories ...................... 176

15.1 Measuring cable ..................... 176

15.2 Sensors ............................ 176

Endress+Hauser 3

Table of contents Liquiline CM44P

15.3 Additional functionality ................ 182

15.4 Software ........................... 183

15.5 Other accessories ..................... 184

16 Technical data ................... 186

16.1 Input .............................. 186

16.2 Digital inputs, passive ................. 187

16.3 Current input, passive ................. 187

16.4 Output ............................ 187

16.5 Digital outputs, passive ................ 189

16.6 Current outputs, active ................. 189

16.7 Relay outputs ........................ 190

16.8 Protocol-specific data .................. 191

16.9 Power supply ........................ 194

16.10 Performance characteristics ............. 195

16.11 Environment ........................ 196

16.12 Mechanical construction ............... 198

17 Installation and operation in

hazardous environment Class I Div.

2 ................................ 199

Index ................................. 200

4 Endress+Hauser

Liquiline CM44P About this document

1 About this document

1.1 Warnings

Structure of information Meaning

DANGER

L

Causes (/consequences)

If necessary, Consequences of
non-compliance (if applicable)

Corrective action

‣

WARNING

L

Causes (/consequences)

If necessary, Consequences of
non-compliance (if applicable)

Corrective action

‣

CAUTION

L

Causes (/consequences)

If necessary, Consequences of
non-compliance (if applicable)

Corrective action

‣

NOTICE

Cause/situation

If necessary, Consequences of
non-compliance (if applicable)

Action/note

‣

This symbol alerts you to a dangerous situation.
Failure to avoid the dangerous situation will result in a fatal or serious
injury.

This symbol alerts you to a dangerous situation.
Failure to avoid the dangerous situation can result in a fatal or serious
injury.

This symbol alerts you to a dangerous situation.
Failure to avoid this situation can result in minor or more serious injuries.

This symbol alerts you to situations which may result in damage to
property.

1.2 Symbols

Symbol Meaning

Additional information, tips

Permitted or recommended

Not permitted or not recommended

Reference to device documentation

Reference to page

Reference to graphic

 Result of a step

1.3 Symbols on the device

Symbol Meaning

Reference to device documentation

Endress+Hauser 5

About this document Liquiline CM44P

1.4 Documentation

The following instructions complement these Operating Instructions and are available on
the product pages on the Internet:

• Brief Operating Instructions Liquiline CM44P, KA01213C

• Operating Instructions Memosens, BA01245C

• Software description for Memosens inputs

• Calibration of Memosens sensors

• Sensor-specific diagnostics and troubleshooting

• Operating Instructions for HART communication, BA00486C

• Onsite settings and installation instructions for HART

• Description of HART driver

• Guidelines for communication via fieldbus and web server

• HART, SD01187C

• PROFIBUS, SD01188C

• Modbus, SD01189C

• Web server, SD01190C

• Ethernet/IP, SD01293C

• PROFINET, SD02490C

6 Endress+Hauser

Liquiline CM44P Basic safety instructions

2 Basic safety instructions

2.1 Requirements for 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.

• The electrical connection may be performed only by an electrical technician.

• The technical personnel must have read and understood these Operating Instructions
and must follow the instructions contained therein.

• Faults at the measuring point may only be rectified by authorized and specially trained
personnel.

Repairs not described in the Operating Instructions provided must be carried out only
directly at the manufacturer's site or by the service organization.

2.2 Designated use

2.2.1 Non-hazardous atmosphere

Liquiline CM44P is a multichannel controller for connecting analog photometers and
digital sensors with Memosens technology in non-hazardous environments.

The device is designed for use in the following applications:

• Food and beverages

• Life science

• Power stations

• Chemical industry

• Other industrial applications

2.2.2 Hazardous environment in accordance with cCSAus Class I Div.

2

Please pay attention to the control drawing and specified operating conditions in the

‣

appendix of this manual and follow the instructions.

2.2.3 Non-designated use and improper use

NOTICE

Objects stored on top of the housing

May cause short-circuits or fire or result in the failure of individual cabinet components or
complete failure of the measuring point!

Never place any objects, such as tools, cables, paper, food, liquid containers or similar,

‣

on top of the housing.
Always observe the operator's regulations, in particular with regard to fire safety

‣

(smoking) and foodstuffs (beverages).

Use of the device for any purpose other than that described, poses a threat to the safety of
people and of the entire measuring system and is therefore not permitted.

The manufacturer is not liable for damage caused by improper or non-designated use.

Endress+Hauser 7

Basic safety instructions Liquiline CM44P

2.2.4 Installation environment (cabinet device only)

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. The components must therefore be installed in an appropriate
enclosure for protection. The ambient conditions specified in the instructions must be
observed here.

2.3 Workplace safety

As the user, you are responsible for complying with the following safety conditions:

• Installation guidelines

• Local standards and regulations

• Regulations for explosion protection

Electromagnetic compatibility

• The product has been tested for electromagnetic compatibility in accordance with the
applicable international standards for industrial applications.

• The electromagnetic compatibility indicated applies only to a product that has been
connected in accordance with these Operating Instructions.

2.4 Operational safety

Before commissioning the entire measuring point:

1. Verify that all connections are correct.

2. Ensure that electrical cables and hose connections are undamaged.

3. Do not operate damaged products, and protect them against unintentional operation.

4. Label damaged products as defective.

During operation:

If faults cannot be rectified:

‣

products must be taken out of service and protected against unintentional operation.

CAUTION

L

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 it off before removing a sensor from the

‣

medium.
If you wish to check the cleaning function and have therefore not switched off the

‣

cleaning system, wear protective clothing, goggles and gloves or take other appropriate
measures.

8 Endress+Hauser

Liquiline CM44P Basic safety instructions

2.5 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
international standards have been observed.

2.5.2 IT security

We only provide a warranty if the device is installed and used as described in the
Operating Instructions. The device is equipped with security mechanisms to protect it
against any inadvertent changes to the device settings.

IT security measures in line with operators' security standards and designed to provide
additional protection for the device and device data transfer must be implemented by the
operators themselves.

Endress+Hauser 9

Device description Liquiline CM44P

1 2

3

4

5

6

2

3

4 5

6

789

10

11

1

3 Device description

3.1 Housing closed (field device)

1 Display
2 Weather protection cover (optional)
3 Navigator
4 Sensor cable or current output cable
5 Power supply cable
6 Soft keys, assignment depends on menu

A0025813

 1 Mounted on a post

3.2 Housing open (field device)

A0039719

 2 Example of a four-channel device with an open display cover (without wiring)
1 Display cable 7 Threaded bolt for protective ground connection
2 Basic module 8 Extension power unit with internal cable
3 Extension modules (optional) 9 M12 connectors for sensor connection

(optional)
4 Shock protection, dummy cover and end cover 10 Distributor terminals for user-defined use
5 Extension backplane 11 Storage slot for SD card
6 Cable mounting rail

1)

1) Example: you want to loop the signal from the alarm relay to a siren and a lamp. The terminals on the

alarm relay only accommodate one cable. Route the signal from the alarm relay to a terminal on the
distributor block. The block's terminals are all interconnected. You therefore have 3 additional terminals on
this block from where you can carry the signal forward to the consumer (siren, lamp etc.). The signal can
be multiplied in this way.

10 Endress+Hauser

Liquiline CM44P Device description

1 2

3

4

5

3.3 Overview (cabinet device)

 3 Device with optional, external display (excluding cables)
1 Basic module 5 Terminal strip
2 Shock protection, dummy module 6 External power unit
3 External display (optional)

A0039727

Endress+Hauser 11

Device description Liquiline CM44P

BASE2-E

Slots

1

2

1

2

1

2

1

2

Ports

2DS 2DS 2DS 2AI 2AO 4R

1

2

Sensor 1

Sensor 1

Sensor 1

Sensor 2

Sensor 2

Sensor 2

1

2

1

2

1

2

1

2

3

4

3.4 Slot and port assignment

 4 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:
Channel 1 (CH1) is slot 1 (basic module) : Port 1 (input

1), pH glass sensor

• Outputs and relays are named according to their
function, e.g. "current output", and are displayed in
ascending order with the slot and port numbers

 5 Slot and port assignment on the

display

12 Endress+Hauser

Liquiline CM44P Device description

1 2

3

4

43

42 41

43

42 41

43

42 41

43

42 41

Relay 1

Relay 2

Relay 3

Relay 4

Slot

Slot 4

Port 1

Pin 41

BASE2-E

3.5 Terminal diagram

The unique terminal name is derived from:

Slot no. : Port no. : Terminal

Example, NO contact of a relay

Device with 2 inputs for digital sensors, 4 current outputs and 4 relays

• Base module BASE2-E (contains 2 sensor inputs, 2 current outputs)

• PEM module (1 photometer sensor)

• 2AO module (2 current outputs)

• 4R module (4 relays)

 6 Creating a terminal diagram using the example of the NO contact (terminal 41) of a relay

A0039659

Endress+Hauser 13

Incoming acceptance and product identification Liquiline CM44P

4 Incoming acceptance and product

identification

4.1 Incoming acceptance

1. Verify that the packaging is undamaged.
 Notify the supplier of any damage to the packaging.

Keep the damaged packaging until the issue has been resolved.

2. Verify that the contents are undamaged.
 Notify the supplier of any damage to the delivery contents.

Keep the damaged goods until the issue has been resolved.

3. Check that the delivery is complete and nothing is missing.
 Compare the shipping documents with your order.

4. Pack the product for storage and transportation in such a way that it is protected
against impact and moisture.

 The original packaging offers the best protection.

Make sure to comply with the permitted ambient conditions.

If you have any questions, please contact your supplier or your local Sales Center.

4.2 Product identification

4.2.1 Nameplate

The nameplate provides you with the following information on your device:

• Manufacturer identification

• Order code

• Extended order code

• Serial number

• Ambient and process conditions

• Input and output values

• Activation codes

• Safety information and warnings

Compare the information on the nameplate with the order.

‣

4.2.2 Product identification

Product page

www.endress.com/cm44p

Interpreting the order code

The order code and serial number of your product can be found in the following locations:

• On the nameplate

• In the delivery papers

Obtaining information on the product

1. Go to www.endress.com.

2. Call up the site search (magnifying glass).

3. Enter a valid serial number.

14 Endress+Hauser

Liquiline CM44P Incoming acceptance and product identification

4. Search.
 The product structure is displayed in a popup window.

5. Click on the product image in the popup window.
 A new window (Device Viewer) opens. All of the information relating to your

device is displayed in this window as well as the product documentation.

Manufacturer's address

Endress+Hauser Conducta GmbH+Co. KG
Dieselstraße 24
D-70839 Gerlingen

4.3 Scope of delivery

The scope of delivery comprises:

• 1 multichannel controller in the version ordered

• 1 mounting plate

• 1 wiring label (attached at the factory to the inside of the display cover)

• 1 external display (if selected as an option)

• 1 DIN rail power unit incl. Cable (cabinet device only)

• 1 printed copy of the Operating Instructions for DIN rail power unit (cabinet device only)

• 1 printed copy of the Brief Operating Instructions in the language ordered

If you have any queries:

‣

Please contact your supplier or local sales center.

1)

4.4 Certificates and approvals

4.4.1

The product meets the requirements of the harmonized European standards. As such, it
complies with the legal specifications of the EU directives. The manufacturer confirms
successful testing of the product by affixing to it the  mark.

4.4.2 cCSAus

The device has been certified with regard to its electrical safety and for NI Class I Div. 2
cCSAus explosion-proof environments. It meets the requirements in accordance with:

• CLASS 2252 06 - Process Control Equipment

• CLASS 2252 86 - Process Control Equipment - Certified to US Standards

• CLASS 2258 03 - Process Control Equipment - Intrinsically Safe and Non-incendive
Systems - For Hazardous Locations

• CLASS 2258 83 - Process Control Equipment - Intrinsically Safe and Non-incendive
Systems - For Hazardous Locations - Certified to US Standards

• FM3600

• FM3611

• FM3810

• UL50E

• IEC 60529

• CAN/CSA-C22.2 No. 0

• CAN/CSA C22.2 No. 94

• CSA Std. C22.2 No. 213

• CAN/CSA-C22.2 No. 61010-1

 mark

1) The external display can be selected as an option in the order structure or ordered as an accessory at a later stage.

Endress+Hauser 15

Incoming acceptance and product identification Liquiline CM44P

• CAN/CSA-C22.2 No. 60529

• UL/ANSI/ISA 61010-1

• ANSI - ISA 12 12 01

16 Endress+Hauser

Liquiline CM44P Installation

H 5 6 7 8 I

GF

E

D

C

A

1 2 3 4 B

162 (6.38)

14 (0.55)

Ø4 (0.16)

Ø9 (0.35)

199 (7.38) 128 (5.04)

237 (9.33)

194 (7.64)

76 (2.99)

95 (3.74)

80 (3.15)

190 (7.48)

3 (0.12)

4 x 6.5 (0.26)

170 (6.69)

125 (4.92)

5 Installation

5.1 Installation conditions

5.1.1 Dimensions

Endress+Hauser 17

 7 Dimensions of field housing in mm (inch)

5.1.2 Mounting plate

 8 Mounting plate, dimensions in mm (in)

A0012396

A0012426

Installation Liquiline CM44P

320 (12.6)

270 (10.6)

300 (11.8)

80 (3.15)

170 (6.69)

170 (6.69)
80 (3.15)

8 x Ø 7 (0.28)

5.1.3 Protective cover

NOTICE

Effect of climatic conditions (rain, snow, direct sunlight etc.)

Impaired operation to complete transmitter failure are possible!

Always use the weather protection cover (accessory) when installing the device

‣

outdoors.

 9 Dimensions in mm (in)

A0012428

18 Endress+Hauser

Liquiline CM44P Installation

220 (8.66)

97 (3.82)

7.5 (0.30)

100 (3.94)

75 (2.95)

205.5 (8.09)

114 (4.49)

TS 35

TS 35

89 (3.50)

91 (3.58)

5.1.4 Dimensions (cabinet device)

 10 Dimensions in mm (inch)

5.1.5 Mounting on DIN rail as per IEC 60715

CAUTION

L

The power unit can get very hot under full load

Burn hazard!

Avoid touching the power unit during operation.

‣

The minimum distances to other devices must be observed.

‣

After switching off the power unit, allow it to cool down before carrying out any work

‣

on it.

A0039730

Endress+Hauser 19

Installation Liquiline CM44P

min. 50 (1.97)

min. 20 (0.79)

min. 50 (1.97)

min. 20 (0.79)

min. 50 (1.97)

CAUTION

L

Impermissible collection of moisture in the device

Puts the safety of the user at risk!

The device has IP20 shock protection. Never allow moisture to collect in the device.

‣

Comply with the specified ambient conditions,e.g. by installing the device in an

‣

appropriate protective enclosure.

NOTICE

Incorrect mounting location in the cabinet, spacing regulations not observed

Possible malfunctions as a result of heat buildup and interference from neighboring
devices!

Do not position the device directly above sources of heat. The temperature specification

‣

must be observed.
The components are designed for convection-based cooling. Avoid heat buildup. Ensure

‣

openings are not covered, e.g. by cables.
Observe the specified distances to other devices.

‣

Physically separate the device from frequency converters and high-voltage devices.

‣

Recommended installation direction: horizontal. The specified ambient conditions, and

‣

particularly the ambient temperatures, only apply for horizontal installation.
Vertical orientation is also possible. However, this requires additional fixing clips at the

‣

place of installation to hold the device in position on the DIN rail.
Recommended installation of power unit: to the left of the device.

‣

The following minimum clearance specifications must be observed:

• Distances at the side in relation to other devices incl. power units and to the wall of the
cabinet:
at least 20 mm (0.79 inch)

• Distance above and below the device and depth distance (to control cabinet door or other
devices installed there):
at least 50 mm (1.97 inch)

 11 Minimum clearance in mm (in)

20 Endress+Hauser

A0039736

Liquiline CM44P Installation

205.5 (8.09)

100 (3.94)

75 (2.95)

4 x Ø 4.5 (0.18)

4 x min. Ø 8 (0.31)

min. Ø 15 (0.59)

140 (5.51)

105 (4.13)

105 (4.13)

140 (5.51)

a

b

b

5.1.6 Wall mounting

A0027859

 12 Drilling pattern for wall mounting in mm (in)

5.1.7 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.

 13 Mounting plate of external display, dimensions in mm (in)

a Retaining tab
b Production-related recesses, no function for the user

5.1.8 Cable length for optional display

Length of display cable provided (cabinet device only):

3 m (10 ft)

Maximum permitted length of a display cable (cabinet device only):

5 m (16.5 ft)

5.2 Mounting the measuring device (field device)

5.2.1 Post mounting

You require the post mounting kit (optional) to mount the unit on a pipe, post or
railing (square or circular, clamping range 20 to 61 mm (0.79 to 2.40")).

A0025371

Endress+Hauser 21

Installation Liquiline CM44P

1

2

3

4

56

7

8

A0033044

 14 Post mounting
1 Weather protection cover (optional) 5 Spring washers and nuts (post mounting kit)
2 Post mounting plate (post mounting kit) 6 Pipe or railing (circular/square)
3 Spring washers and nuts (post mounting kit) 7 Mounting plate
4 Pipe clamps (post mounting kit) 8 Threaded rods (post mounting kit)

 15 Post mounting

A0033045

 16 Attach the device and click it into place

A0025885

1. Place the device on the mounting plate.

2. Slide the device downwards in the guide on the mounting rail until it clicks into place.

22 Endress+Hauser

Liquiline CM44P Installation

1 2

3

4

56

7

8

9

5.2.2 Rail mounting

A0012668

 17 Rail mounting
1 Weather protection cover (optional) 6 Pipe or railing (circular/square)
2 Post mounting plate (post mounting kit) 7 Mounting plate
3 Spring washers and nuts (post mounting kit) 8 Threaded rods (post mounting kit)
4 Pipe clamps (post mounting kit) 9 Screws (post mounting kit)
5 Spring washers and nuts (post mounting kit)

 18 Rail mounting

A0025886

 19 Attach the device and click it into place

A0027803

1. Place the device on the mounting plate.

2. Slide the device downwards in the guide on the mounting rail until it clicks into place.

Endress+Hauser 23

Installation Liquiline CM44P

≥ 340 (13.4)

≥

150 (5.91)

1

3

4

2

5.2.3 Wall mounting

A0027798

 21 Wall mounting

A0012686

 20 Installation clearance in mm (in)

1)

The size of the drill holes depends on the wall plugs used. The wall plugs and screws must be provided by the

customer.

1 Wall
2

4 drill holes
3 Mounting plate
4 Screws Ø 6 mm (not part of scope of supply)

1)

 22 Wall mounting

A0027799

 23 Attach the device and click it into place

A0027797

1. Place the device on the mounting plate.

2. Slide the device downwards in the guide on the mounting rail until it clicks into place.

5.2.4 Disassembly (for conversion, cleaning etc.)

NOTICE

The device can be damaged if dropped

When pushing the housing out of the holder, secure the housing to prevent it from

‣

falling. If possible, ask a second person to help you.

24 Endress+Hauser

Liquiline CM44P Installation

A0025890

 24 Disassembling

 25 Disassembling

1. Hold down the latch.

2. Push up the device to remove it from the holder.

3. Remove the device towards the front.

A0025891

Endress+Hauser 25

Installation Liquiline CM44P

a

b

5.3 Mounting the measuring device (cabinet device)

5.3.1 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.
Release the securing clips by pulling them downwards.


2. Attach the device from the top to the DIN rail (a) and secure it by pressing down (b).


3. Slide the securing clips upwards until they click, thereby securing the device to the
DIN rail.



4. Mount the external power unit in the same way.

5.3.2 Wall mounting

Mounting material (screws, dowels) are not included in the scope of delivery and must
be provided by the customer.

The external power unit can be mounted on a DIN rail only.

Use the back of the housing to mark the mounting holes.

1. Drill the corresponding holes and insert wall plugs if necessary.

2. Screw the housing onto the wall.

26 Endress+Hauser

Liquiline CM44P Installation

.

.

.

. .

.

.

.

..

.

.

.

.

.

. .

.

.

.

..

.

.

4 x Ø 8 (0.31)

Ø 20 (0.79)

5.3.3 Mounting the optional external display

CAUTION

L

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. Hold the mounting plate from the outside against the door of the control cabinet.
Choose the point at which you wish to install the display.

2. Make all the markings.

3. Draw lines to interconnect all the marks.
 This will indicate the position of the five drill holes needed.

4. Drill the holes (→  13,  21).

Endress+Hauser 27

Installation Liquiline CM44P

a

b

c

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.

6. Connect the display cable to the RJ-45 socket in the base module.

7. Place the mounting plate on the inside over the screws (a), slide it down (b) and
tighten the screws (c).

 The display is now mounted and ready to use.

 26 Mounted display

28 Endress+Hauser

Liquiline CM44P Installation

NOTICE

Incorrect installation

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.

5.4 Post-installation check

1. After installation, check the transmitter for damage.

2. Check whether the transmitter is protected against precipitation and direct sunlight
(e.g. by the weather protection cover).

3. After mounting, check all devices (controller, power unit, display) for damage.

4. Verify that the specified installation clearances have been observed.

5. Verify that all securing clips have been snapped into place and that the components
are securely positioned on the DIN rail.

6. Ensure that the temperature limits are observed at the mounting location.

Endress+Hauser 29

Electrical connection Liquiline CM44P

1

3

2

USB

31

32

250 ... 500 Ω

FXA291

Master class 1
(PLC, DCS)

T T

Ethernet

PROFIBUS DP
(RS485)

Master class 2 (FieldCare, PDM)

6 Electrical connection

6.1 Connection conditions

6.1.1 Via HART (e.g. via HART modem and FieldCare)

 27 HART using modem

1 Device module Base2-L, -H or -E: current output 1 with HART
2

HART modem for connection to PC, e.g. Commubox FXA191 (RS232) or FXA195 1) (USB)

3 HART handheld terminal

1)

Switch position "on" (substitutes the resistor)

6.1.2 Via PROFIBUS DP

A0039620

 28 PROFIBUS DP

T Terminating resistor

30 Endress+Hauser

A0039617

Liquiline CM44P Electrical connection

FXA291

Ethernet

Modbus Master / Gateway

T T

Modbus RS485
(RTU, ASCII)

FieldCare/
Webbrowser

FXA291

Ethernet

Ethernet client

6.1.3 Via Modbus RS485

A0039615

 29 Modbus RS485

T Terminating resistor

6.1.4 Via Ethernet: web server/Modbus TCP/PROFINET/ EtherNet/IP

A0039616

 30 Modbus TCP or EtherNet/IP or PROFINET

6.2 Connecting the measuring device

WARNING

L

Device is live!

Incorrect connection may result in injury or death!

The electrical connection may be performed only by an electrical technician.

‣

The electrical technician must have read and understood these Operating Instructions

‣

and must follow the instructions contained therein.
Prior to commencing connection work, ensure that no voltage is present on any cable.

‣

Endress+Hauser 31

Electrical connection Liquiline CM44P

1.

2.

3.

4.

≤180°

NOTICE

The device does not have a power switch!

Provide a protected circuit breaker in the vicinity of the device at the place of

‣

installation.
The circuit breaker must be a switch or power switch, and must be labeled as the circuit

‣

breaker for the device.
At the supply point, the power supply must be isolated from dangerous live cables by

‣

double or reinforced insulation in the case of devices with a 24 V supply voltage.

6.2.1 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 pointed or sharp objects,e.g. knives, to open the housing.

‣

Only use a suitable Phillips screwdriver.

‣

 31 Releasing housing screws in a diagonally

opposite sequence with Phillips screwdriver

 32 Opening display cover, max. opening angle

180˚ (depends on installation position)

1. Release the housing screws on a step-by-step basis. Start with any screw of your
choice. Then release the screw diagonally opposite this screw etc.

2. To close the housing: tighten the screws in a similar step-by-step, diagonally opposite
sequence.

32 Endress+Hauser

Liquiline CM44P Electrical connection

1 32 4

1

2

3

4

6.2.2 Cable mounting rail

A0025171

 33 Cable mounting rail and associated function (field device)

A0025366

 34 Mounting rail for functional ground connections (cabinet device)
1 Cable mounting rail 3 Additional threaded bolts for ground connections
2 Threaded bolt (protective ground connection,

central grounding point)

4 Cable clamps (fixing and grounding the sensor

cables)

6.2.3 Connecting the cable shield

If possible, only use terminated original cables. The sensor, fieldbus and Ethernet
cables must be shielded cables.

Cable sample (does not necessarily correspond to the original cable supplied)

 35 Terminated cable

1 Outer shield (exposed)
2 Cable cores with ferrules
3 Cable sheath (insulation)

1) Please note the instructions in the "Ensuring the degree of protection" section (→  48)

1. Release a suitable cable gland on the bottom of the housing and remove the dummy
plug.

2. Making sure the gland is facing the right direction, thread the gland onto the cable
end and pull the cable through the entry and into the housing.

3. Route the cable in the housing in such a way that the exposed cable shield fits into
one of the cable clamps and the cable cores can be easily routed as far as the
connection plug on the electronics module.

4. Screw the cable clamp on.

5. Clamp the cable into place.

6. Then tighten the screw of the cable clamp again.

7. Connect cable cores as per the wiring diagram.

Endress+Hauser 33

 36 Insert the cable

4 Grounding clip

 37 Tighten screw (2 Nm)

The cable shield is grounded using
the grounding clamp.

1)

Electrical connection Liquiline CM44P

8. Tighten the cable gland from outside.

6.2.4 Cable terminals

Plug-in terminals for Memosens and PROFIBUS/RS485 connections

Insert the cable until the limit

Press the screwdriver against

‣

the clip (opens the terminal).

After connection, make sure that every cable end is securely in place. Terminated
cable ends, in particular, tend to come loose easily if they have not been correctly
inserted as far as the limit stop.

‣

stop.

Remove the screwdriver (closes

‣

the terminal).

All other plug-in terminals

Press the screwdriver against

‣

the clip (opens the terminal).

Insert the cable until the limit

‣

stop.

Remove the screwdriver (closes

‣

the terminal).

34 Endress+Hauser

Liquiline CM44P Electrical connection

L+ N- PE

A

B

85

85

86

86

SD

Display

Sensor supply

+

+
–

Service

PK
GY
PK
GY

1

2

–

+
–
A

B

41

43

42

Alarm

31

31

32

32

0/4 ... 20 mA

+

+

–

–

HART

+

–

A

B

Sensor 2

Ethernet

87
88
97
98

87
88
97
98

BN
WH
GN
YE

BN

WH

GN

YE

Sensor 1

1

2

L/+

N/–

*

Power

L/+

N/–

PE

Power

(internal)

B

L N

+ RD

- BK

*

85

85

86

86

SD

Display

Sensor supply

+

+
–

Service

PK
GY
PK
GY

1

2

–

+
–
A

B

41

43

42

Alarm

31

31

32

32

0/4 ... 20 mA

+

+

–

–

HART

+

–

A

B

Sensor 2

Ethernet

87
88
97
98

87
88
97
98

BN
WH
GN
YE

BN

WH

GN

YE

Sensor 1

1

2

L/+

N/–

*

Power

L/+

N/–

PE

Power

(internal)

B

6.2.5 Connecting the supply voltage

A0039626

 38 Power supply connection on the BASE2-E

(field device)

A Internal power supply cable
B Extension power unit

 40 Connecting power supply with BASE2-E

(cabinet device)

* Assignment depending on power unit, make sure

to connect correctly

The two device versions may only be operated with the power unit supplied and the
power unit cable. Also pay attention to the information in the operating manual
supplied for the power unit.

 39 Overall wiring diagram for BASE2-E and

extension power unit (B)

A0039668

 41 Overall wiring diagram for BASE2-E and

external power unit (B)

Endress+Hauser 35

A0039624

A0039624

Electrical connection Liquiline CM44P

Connecting the supply voltage

1. Route the power supply cable into the housing through the suitable cable entry.

2. Step 2 applies only to the 100 to 230 V AC power unit.
Connect the protective ground of the power unit to the threaded bolt specially

provided on the cable mounting rail.

3. Protective ground or grounding provided by customer (absolutely essential for 24 V
power unit, additionally recommended for 100 to 230 V AC power unit): Provide
a ground cable (min. 0.75 mm2 (corresponding to 18 AWG))1! Guide the ground
cable also through the cable entry and connect it to the threaded bolt on the cable
mounting rail.

4. Connect the cable cores L and N (100 to 230 V AC) or + and ‐ (24 V DC) to the plug­in terminals on the power unit in accordance with the wiring diagram.

NOTICE

Protective ground/ground cable with end sleeve or open cable lug

The cable can become loose. Loss of the protective function!

To connect the protective ground or ground cable to the threaded bolt, only use a cable

‣

with a closed cable lug as per DIN 46211, 46225, form A.
Never connect the protective ground or ground cable to the threaded bolt with an end

‣

sleeve or an open cable lug!

NOTICE

Incorrect connection and cable run not separate

Interference on signal or display cable, incorrect measured values or failure of display may
occur!

Do not connect the cable shield of the display cable to PE (terminal strip of device)!

‣

Run the signal/display cable in the control cabinet separately from live (current-

‣

carrying) cables.

6.3 Connecting the sensors

6.3.1 Sensor types

Photometer sensors

Sensor types Sensor cable Sensors

Analog photometer sensors without additional internal
power supply

CUK80 • OUSAF12

• OUSAF21

• OUSAF22

• OUSAF44

• OUSAF46

• OUSTF10

• OUSBT66

Fixed cable OUSAF11

36 Endress+Hauser

Liquiline CM44P Electrical connection

GN/YE

Sensors with Memosens protocol

Sensor types Sensor cable Sensors

Digital sensors without
additional internal power
supply

Digital sensors with
additional internal power
supply

With plug-in
connection and
inductive signal
transmission

Fixed cable Conductivity sensors with inductive measurement of

Fixed cable • Turbidity sensors

• pH sensors

• ORP sensors

• Combined sensors

• Oxygen sensors (amperometric and optical)

• Conductivity sensors with conductive measurement
of conductivity

• Chlorine sensors (disinfection)

conductivity

• Sensors for interface measurement

• Sensors for measuring the spectral absorption
coefficient (SAC)

• Nitrate sensors

• Optical oxygen sensors

• Ion-sensitive sensors

The following rule applies if connecting CUS71D sensors:

• The maximum number of Memosens inputs is limited to two.

• Any combination of CUS71D or other sensors is possible.

6.3.2 Connecting the functional ground (cabinet device)

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.

 42 Functional earth connection

You must only ever connect one functional earth to each screw in the terminal strip.
Otherwise, shielding is not guaranteed.

6.3.3 Connecting the sensors

Types of connection

• Direct connection of the sensor cable to the terminal connector of the sensor module
PEM and the Memosens module 2DS or of the base module-E (→  43 ff.)(Memosens
sensors only)

• Optional for Memosens sensors: Sensor cable plug connected to the M12 sensor socket
on the underside of the device (field device)
With this type of connection, the device is already wired at the factory (→  47).

Endress+Hauser 37

Electrical connection Liquiline CM44P

98 97 88 87

86 85 86 85

BN

WH

GN

YE

Sensor

98 97 88 87

86 85 86 85

GN
YE

Sensor

PK

GY

85 86

85

2DS

1

2

86

97 88 8798

97 88 8798

Sensor 1

Sensor 2

PK

GY

GN
YE

BN
WH
GN
YE

Sensor

Sensor

1. Sensor cable connected directly
Connect the sensor cable to the terminal connector of the sensor module PEM 2DS or

of the module Base2-E.

2. When connecting via M12 connector (Memosens sensors only)
Connect the sensor connector to an M12 sensor socket which has been previously

installed or is supplied on delivery.

Sensor cable connected directly

A0039629

 43 Memosens sensors without additional supply

voltage

A0033206

 45 Memosens sensors with and without

 44 Memosens sensors with additional supply

voltage

 46 PEM module

A0039622

A0028599

additional supply voltage at sensor module 2DS

38 Endress+Hauser

Liquiline CM44P Electrical connection

Connecting photometer sensors to PEM module

Sensor Cable color PEM terminal Assignment

OUSAF11
OUSAF12

OUSAF21
OUSAF22
OUSTF10
OUSAF44

OUSAF46

2 PEM modules



necessary

YE (thick) P+ Lamp voltage +

YE (thin) S+ Recording lamp voltage +

BK (thin) S- Recording lamp voltage -

BK (thick) P- Lamp voltage -

RD A (1) Sensor +

1)

/ WH

2)

C(1) Sensor -

BK

GY SH (1) Shield

YE (thick) P+ Lamp voltage +

YE (thin) S+ Recording lamp voltage +

BK (thin) S- Recording lamp voltage -

BK (thick) P- Lamp voltage -

RD A (1) Measuring detector sensor +

BK C(1) Measuring detector sensor -

GY SH (1) Measuring detector screening

WH A (2) Sensor reference +

GN C(2) Sensor reference -

GY SH (2) Reference screening

PEM module 1

YE (thick) P+ Lamp voltage +

YE (thin) S+ Recording lamp voltage +

BK (thin) S- Recording lamp voltage -

BK (thick) P- Lamp voltage -

RD A (1) Measuring detector sensor +

BK C(1) Measuring detector sensor -

GY SH (1) Measuring detector screening

WH (lamp) A (2) Sensor reference +

GN (lamp) C(2) Sensor reference -

GY (lamp) SH (2) Reference screening

PEM module 2

WH A (1) Measuring detector sensor +

GN C(1) Measuring detector sensor -

GY SH (1) Measuring detector screening

RD (lamp) A (2) Sensor reference +

BK (lamp) C(2) Sensor reference -

GY (lamp) SH (2) Reference screening

Endress+Hauser 39

Electrical connection Liquiline CM44P

85 86

85

1

2

86

97 88 8798

Sensor 1

PK

GY

GN
YE

BN
WH

1

6

4

1

NC

2

3

5

7

4

6

2

NC

1

7

5

3

Sensor Cable color PEM terminal Assignment

OUSBT66 BN P+ Lamp voltage +

BN S+ Recording lamp voltage +

BK P- Lamp voltage -

BK S- Recording lamp voltage -

RD A (1) Sensor +

OG C(1) Sensor -

TP SH (1) Shield

1) OUSAF12

2) OUSAF11

Memosens connection via M12 plug-in connection (field device only)

Device versions with a pre-installed
M12 socket are ready-wired upon
delivery.

Version without a pre-installed M12
socket

1. Insert an M12 socket
(accessory) into a suitable
opening in the base of the
housing.

2. Connect the cable to a
Memosens terminal as per the
wiring diagram.

Connecting the sensor

Plug the connector of the sensor

‣

A0018019

 47 M12 plug-in connection (e.g.

at sensor module)

1 Sensor cable with M12

connector

A0018021

 48 M12 assignment Top:

socket Bottom: connector
(top view in each case)

1 PK (24 V)
2 GY (Ground 24 V)
3 BN (3 V)
4 WH (Ground 3 V)
5 GN (Memosens)
6 YE (Memosens)
7,NCNot connected

cable (→  47item 1) directly into
the M12 socket.

Please note the following:

• The internal device wiring is always
the same regardless of what kind of
sensor you connect to the M12
socket (plug&play).

• The signal or power supply cables
are assigned in the sensor head in
such a way that the PK and GY
power supply cables are either used
(e.g. optical sensors) or not (e.g. pH
or ORP sensors).

6.4 Connecting additional inputs, outputs or relays

WARNING

L

40 Endress+Hauser

Module not covered

No shock protection. Danger of electric shock!

Change or extend the hardware: always fill the slots from left to right. Do not leave any

‣

gaps.
If all of the slots are not occupied: always insert a dummy cover or end cover in the slot

‣

to the right of the last module(→  2,  10). This ensures that the unit is shock­protected.
Always ensure shock protection is guaranteed particularly in the case of relay modules

‣

(2R, 4R, AOR).

The terminal strip (cabinet unit) is used to connect the cable shields.

Liquiline CM44P Electrical connection

47

47

48

48

+

+

–

1

2

–

1

2

1

2

+

–

–

+

+

–

+

–

45

46

45

46

91

92

91

92

2324

2324

23

23

24

24

0/4 ... 20 mA

+

+

–

1

2

–

If additional shields are required, connect them with PE centrally in the control cabinet

‣

via terminal blocks supplied by the customer.

6.4.1 Digital inputs and outputs

DIO module

 49 Module

 50 Wiring

diagram

6.4.2 Current inputs

Module 2AI

Endress+Hauser 41

 51 Module

 52 Wiring

diagram

Electrical connection Liquiline CM44P

31

31

32

32

0/4 ... 20 mA

+

+

–

1

2

–

31

31

32

32

0/4 ... 20 mA

+

+

–

1

2

–

31

31

32

32

0/4 ... 20 mA

+

+

–

3

4

–

41

43

42

Relay 1

41

43

42

Relay 2

41

43

42

Relay 3

41

43

42

Relay 4

41

43

42

Relay 1

41

43

42

Relay 2

6.4.3 Current outputs

2AO 4AO

 53 Module

 54 Wiring

diagram

 55 Module

6.4.4 Relay

Module 2R Module 4R

 56 Wiring

diagram

 57 Module

42 Endress+Hauser

 58 Wiring

diagram

 59 Module

 60 Wiring

diagram

Liquiline CM44P Electrical connection

PE L1 N PE

T2.0A

230 V AC / 50 Hz

1

41

43

42

Liquiline/Sampler/
Analyzer:
AOR/2R/4R

41

43

42

Relay 1

41

43

42

Relay 2

1
2

1
2

NL PE

CM44x/CM44xR/
CM44P

CYR10

1

2

3

4

5

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

Connect the cleaning unit only to terminals of an additional module (AOR, 2R or 4R),

‣

not to the alarm relay of the base module.

Endress+Hauser 43

 61 Connecting the cleaning unit for CAS40D

Example: Connecting the Chemoclean CYR10 injector cleaning unit

 62 Connecting the CYR10 injector cleaning unit

1 External power supply
2 Cleaner to spray head
3 Container with cleaner
4 Motive water 2 to 12 bar (30 to 180 psi)
5 Backflow valve (to be provided by the customer)

A0028597

A0028598

Electrical connection Liquiline CM44P

Ethernet

81

82

DIP switch

on

1
2
4
8
16
32
64
128/SW

Service

T

COM

SF

BF

PWR

DGND

VP

96'

95'

99'

Termi­nation

DP/
RS485

96

95

99

6.5 Connecting PROFIBUS DP or Modbus RS 485

6.5.1 Module 485

 63 Module

 64 Wiring

diagram

Terminal PROFIBUS DP Modbus RS485

95 A B

96 B A

99 Not connected C

82 DGND DGND

81 VP VP

LEDs on front of module

LED Identifier Color Description

RJ45 LNK/ACT GN RJ45 is disabled. Ethernet communication is via the BASE2 module

RJ45 10/100 YE

PWR Power GN Supply voltage is applied and module is initialized

BF Bus failure RD Bus failure

SF System failure RD Device error

COM Communication YE Modbus message sent or received

T Bus termination YE • Off = No termination

• On = Termination is used

DIP switches on front of module

44 Endress+Hauser

DIP Factory setting Assignment

1-128 ON Bus address (→ "Commissioning/communication")

OFF Write protection: "ON" = configuration not possible via the bus, only via local

operation

Service OFF The switch has no function

Liquiline CM44P Electrical connection

RD

GN

P0V
P5V

82

81

J1

P2

P1

96
95
99

P2

J1

1

2

3

4

5

1

2

3

4

5

P1

1

2

3

4

5

1 2

34

5

2 1

43

5

RD

GN

P0V
P5V

82

81

J1

P2

P1

96
95
99

P2

J1

1

2

3

4

5

1

2

3

4

5

P1

1

2

3

4

5

1 2

34

5

2 1

43

5

6.5.2 Connection via M12 connector (field device only)

PROFIBUS DP

M12 Y-section Wiring in M12 Y section Pin assignment in connector and

socket

 67 Connector (left) and socket

(right)

1 P5V, 5 V power supply for

external terminating resistor
2 A
3 P0V, reference potential for

P5V
4 B
5 n.c., not connected
* Shielding

 65 M12 connection

 66 Wiring

When using the M12 Y-section, the maximum data transfer rate is limited to

1.5 MBit/s. For direct wiring, the maximum data transfer rate is 12 MBit/s.

Modbus RS485

M12 Y-section Wiring in M12 Y section Pin assignment in connector and

socket

 70 Connector (left) and socket

(right)

1 P5V, 5 V power supply for

external terminating resistor
2 A
3 P0V, reference potential for

P5V
4 B
5 n.c., not connected
* Shielding

 68 M12 connection

Endress+Hauser 45

 69 Wiring

Electrical connection Liquiline CM44P

3

4

1

2

4

3

2

1

Ethernet, web server, PROFINET

Internal connection Pin assignment in connector and socket

 72 Connector (left) and socket (right)

1 Tx+
2 Rx+
3 Tx­4 Rx-

Shielding (thread)

 71 Ethernet socket

46 Endress+Hauser

Liquiline CM44P Electrical connection

"ON"

"OFF"

390 W

220 W

390 W

VP

DGND

B/B' A/A'

6.5.3 Bus termination

There are 2 ways to terminate the bus:

1. Internal termination (via DIP switch on module board)

 73 DIP switch for internal termination

Using a suitable tool such as a tweezer, move all four DIP switches to the "ON" position.

‣

 The internal termination is used.

 74 Structure of internal termination

2. External termination

Leave the DIP switches on the module board in the "OFF" position (factory setting).

Connect the external termination to terminals 81 and 82 on the front of module 485

‣

for 5‐V power supply.
 The external termination is used.

6.6 Hardware settings

Setting the bus address

1. Open the housing.

2. Set the desired bus address via the DIP switches of module 485.

For PROFIBUS DP, valid bus addresses are anything between 1 and 126, and anything
between 1 and 247 for Modbus. If you configure an invalid address, software
addressing is automatically enabled via the local configuration or via the fieldbus.

Endress+Hauser 47

Electrical connection Liquiline CM44P

1
2

4

8
16
32
64
128

on off

1
2
4
8
16
32
64
128

on off

1
2
4
8
16
32
64
128

on off

A0026776

 75 Valid PROFIBUS address 67

1)

Order configuration, software addressing is active, software address configured at the factory: PROFIBUS 126,

Modbus 247

 76 Valid Modbus address 195

A0026777

 77

Invalid address 255

A0026778

1)

6.7 Ensuring the degree of protection

Only the mechanical and electrical connections which are described in these instructions
and which are necessary for the required, designated use, may be carried out on the device
delivered.

Exercise care when carrying out the work.

‣

Individual types of protection permitted for this product (impermeability (IP), electrical
safety, EMC interference immunity, Ex protection) can no longer be guaranteed if, for
example :

• Covers are left off

• Different power units to the ones supplied are used

• Cable glands are not sufficiently tightened (must be tightened with 2 Nm (1.5 lbf ft) for
the permitted level of IP protection)

• Unsuitable cable diameters are used for the cable glands

• Modules are not fully secured

• The display is not fully secured (risk of moisture entering due to inadequate sealing)

• Loose or insufficiently tightened cables/cable ends

• Conductive cable strands are left in the device

48 Endress+Hauser

Liquiline CM44P Electrical connection

6.8 Post-connection check

WARNING

L

Connection errors

The safety of people and of the measuring point is at risk! The manufacturer does not
accept any responsibility for errors that result from failure to comply with the instructions
in this manual.

Put the device into operation only if you can answer yes to all the following questions.

‣

Instrument status and specifications

Are the device and all the cables free from damage on the outside?

‣

Electrical connection

Are the mounted cables strain relieved?

‣

Are the cables routed without loops and cross-overs?

‣

Are the signal cables correctly connected as per the wiring diagram?

‣

Have all the other connections been established correctly?

‣

Are unused connection wires connected to the protective ground connection?

‣

Are all plug-in terminals securely engaged?

‣

Are all the connection wires securely positioned in the cable terminals?

‣

Are all cable entries mounted, tightened and leak-tight?

‣

Does the supply voltage match the voltage indicated on the nameplate?

‣

Endress+Hauser 49

System integration Liquiline CM44P

Base2

Web Browser

7 System integration

7.1 Web server

Versions without a fieldbus: you require an activation code for the web server.

7.1.1 Connection

Connect the communication cable of the computer to the Ethernet port of the Base2

‣

module.

A0039619

 78 Web server/Ethernet connection

7.1.2 Establishing the data connection

All versions with the exception of PROFINET:

To ensure that your device has a valid IP address, you must disable the DHCP parameter in
the Ethernet settings. (Menu/Setup/General settings/Extended setup/Ethernet/
Settings)
You can assign the IP address manually in the same menu (for point-to-point
connections).

All versions including PROFINET:

The device's IP address and subnet mask can be found at: DIAG/System information/
Ethernet.

1. Start your PC.

2. First, configure a manual IP address in the network connection settings of the
operating system.

Example: Microsoft Windows 10

3. Open Network and Sharing Center.
 Apart from your standard network, you should see an additional Ethernet

connection (e.g. as "Unidentified network" ).

4. Select the link to this Ethernet connection.

5. In the pop-up window select the "Properties" button.

6. Double-click "Internet Protocol Version 4 (TCP/IPv4)".

7. Select "Use the following IP Address".

8. Enter the desired IP address. This address must be in the same subnet as the IP
address of the device, e.g.:

 IP address for Liquiline: 192.168.1.212 (as configured previously)

IP address for PC: 192.168.1.213.

50 Endress+Hauser

9. Start the internet browser.

Liquiline CM44P System integration

10. If you use a proxy server to connect to the internet:
Disable the proxy (browser settings under "Connections/LAN settings").

11. Enter the IP address of your device in the address bar (192.168.1.212 in the
example).

 The system takes a few moments to establish the connection and then the CM44

web server starts. You might be asked for a password. The factory setting is
"admin" for the user name and "admin" for the password.

12. 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.

A0026780

 79 Example of web server (menu/language=English)

• Clicking a menu name or a function corresponds to pressing the navigator.

• You can make your settings conveniently via the computer keyboard.

Instead of using an internet browser, you can also use FieldCare for configuration via
Ethernet. The Ethernet DTM required for this is an integral part of the "Endress
+Hauser Interface Device DTM Library".

Download: https://portal.endress.com/webdownload/FieldCareDownloadGUI/

7.2 Service interface

You can connect the device to a computer via the service interface and configure it using
"FieldCare" . Furthermore, configurations can also be saved, transferred and documented.

7.2.1 Connection

1. Connect the service connector to the interface on the Liquiline base module and
connect it to the Commubox.

2. Connect the Commubox via the USB connection to the computer on which FieldCare
is installed.

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System integration Liquiline CM44P

FieldCare

Service

FXA291

A0039618

 80 Connection overview

7.2.2 Establishing the data connection

1. Start FieldCare.

2. Establish a connection to the Commubox. To do so, select the "CDI Communication
FXA291" ComDTM.

3. Then select the "Liquiline CM44x" DTM and start configuration.

You can now start online configuration via the DTM.

Online configuration competes with onsite operation, i. e. each of the two options blocks
the other one. On both sides it is possible to take away access from the other side.

7.2.3 Operation

• In the DTM the menu structure corresponds to the onsite operation. The functions of the
Liquiline soft keys are found in the main window on the left.

• Clicking a menu name or a function corresponds to pressing the navigator.

• You can make your settings conveniently via the computer keyboard.

• You can use FieldCare to save logbooks, make backups of configurations and transfer
configurations to other devices.

• You can also print out configurations or save them as PDFs.

7.3 Fieldbuses

7.3.1 HART

You can communicate using the HART protocol via current output 1.

1. Connect the HART modem or HART handheld terminal to current output 1
(communication load 250 ‐ 500 Ohm).

2. Establish a connection via your HART device.

3. Operate the Liquiline via the HART device. To do so, follow the instructions in the
manual.

More detailed information on HART communication is provided on the product pages
on the Internet (→ BA00486C).

52 Endress+Hauser

Liquiline CM44P 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

‣

(→  44).

For detailed information on "PROFIBUS communication", see the product pages on the
Internet (→ SD01188C).

7.3.3 Modbus

With the fieldbus module 485 and the appropriate device version, you can communicate
via Modbus RS485.

You use the BASE2 module for Modbus TCP.

The RTU and ASCII protocols are available when connecting via Modbus RS485. You can
switch to ASCII on the device.

Connect the Modbus data cable to the terminals of the fieldbus module (RS 485) or to

‣

the RJ45 socket of the BASE2 module as described.

For detailed information on "Modbus communication", see the product pages on the
Internet (→ SD01189C).

7.3.4 Ethernet/IP

With the BASE2 module and the appropriate device version, you can communicate via
Ethernet/IP.

Connect the Ethernet/IP data cable to the RJ45 socket of the BASE2 module.

‣

For detailed information on "Ethernet/IP communication", see the product pages on
the Internet (→ SD01293C).

7.3.5 PROFINET

With the BASE2 module and the appropriate device version, you can communicate via
PROFINET.

Connect the PROFINET data cable to the RJ45 socket of the BASE2 module.

‣

For detailed information on "PROFINET communication", see the product pages on the
internet (→ SD02490C).

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Operation options Liquiline CM44P

1

2

3

1 2

3

4

8 Operation options

8.1 Overview

8.1.1 Display and operating elements

 81 Overview of operation (using the example of the field device)

1 Display (with red display background in alarm condition)
2 Navigator (jog/shuttle and press/hold function)
3 Soft keys (function depends on menu)

8.1.2 Display

1 Menu path and/or device designation
2 Status display
3 Help if available
4 Assignment of the soft keys

A0037692

A0011764

54 Endress+Hauser

Liquiline CM44P Operation options

Menu/Language

English

!"

Čeština
Nederlands
Français
Deutsch
Italiano

#$%

Polski

Menu/Language

English

!"

Čeština

Nederlands

Français

Deutsch
Italiano

#$%

Polski

8.2 Access to the operating menu via the local display

8.2.1 Operating concept

Pressing the soft key: selecting the menu directly

‣

Pressing the navigator: launching a function

‣

Turning the navigator: moving the cursor in the

‣

menu

Turning the navigator: selecting a value (e.g. from

‣

a list)

Pressing the navigator: accepting the new value  New setting is accepted

‣

8.2.2 Locking or unlocking operating keys

Locking operating keys

1. Press the navigator for longer than 2 s.
 A context menu for locking the operating keys is displayed.

You have the choice of locking the keys with or without password protection.
"With password" means that you can only unlock the keys again by entering the
correct password. Set this password here: Menu/Setup/General settings/
Extended setup/Data management/Change lock password.

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Operation options Liquiline CM44P

2. Select whether to lock keys with 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.

Unlocking operating keys

1. Press the navigator for longer than 2 s.
 A context menu for unlocking the operating keys is displayed.

2. Key unlock .
 The keys are unlocked immediately if you did not choose to lock with a password.

Otherwise you are asked to enter your password.

3. Only if keypad is password-protected: enter the right password.
 The keys are unlocked. It is possible to access the entire onsite operation again.

The symbol is no longer visible on the display.

8.3 Configuration options

8.3.1 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

8.3.2 Picklists

• You receive a list of options. In a few cases, these also appear in the form of multiple
choice boxes.

• Usually you just select one option; in rare instances you select one or more options.

• Example: Menu/Setup/General settings/Temperature unit

8.3.3 Numerical values

• You are changing a variable.

• The maximum and minimum values for this variable are shown on the display.

• Configure a value within these limits.

• Example: Menu/Operation/Display/Contrast

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Liquiline CM44P 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:

• Deleting log entries

• Saving or loading configurations

• Triggering cleaning programs

• Example: Diagnostics/Logbooks/Configuration logbook/Delete all entries

8.3.5 Free 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:

• Cancel your entries without saving the data ()

• Delete the character in front of the cursor ( )

• Move the cursor back one position ( )

• Finish your entries and save ()

• Example: Menu/Setup/General settings/Device tag

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Operation options Liquiline CM44P

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.

• You can add lines to the table ( INSERT) or delete lines from the table ( DEL).

• Afterwards, you save the table ( SAVE).

• You can also cancel your entries any time using the  soft key.

• Example: Menu/Setup/Inputs/pH/Medium comp.

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Liquiline CM44P Commissioning

9 Commissioning

9.1 Function check

WARNING

L

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.

‣

Saving the configuration settings as a screenshot

Via the local display , you can take screenshots at any time and save them to an SD card.

1. Insert an SD card into the SD card slot in the base module.

2. Press the navigator button for at least 3 seconds.

3. In the context menu, select the Screenshot item.
 The current screen is saved as a bitmap file to the SD card in the "Screenshots"

folder.

9.2 Power up

During the device startup phase, the relays and current outputs have an undefined
status for a few seconds prior to initialization. Watch out for possible effects on any
actuators which may be connected.

9.2.1 Setting the operating language

Configuring the language

If you have not already done so, close the housing cover and screw the device closed.

1. Switch on the supply voltage.
 Wait for the initialization to finish.

2. Press the soft key MENU . Set your language in the top menu item.
 The device can now be operated in your chosen language.

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Commissioning Liquiline CM44P

9.2.2 Display behavior

Menu/Operation/Display

Function Options Info

Contrast 5 to 95 %

Factory setting

50 %

Backlight Selection

• On

• Off

• Automatic

Factory setting

Automatic

Screen rotation Selection

• Manual

• Automatic

Factory setting

Manual

Adjust the screen settings to suit your working
environment.

Backlight = Automatic
The backlighting is switched off automatically
after a short time if a button is not pressed. It
switches back on again as soon as you press the
navigator button.

Backlight = On
The backlighting does not switch off
automatically.

If Automatic is selected, the single‐channel
measured value display switches from one
channel to the next every second.

9.3 User definable screens

Menu/Operation/User definable screens

Function Options Info

Meas. screen 1 ... 6 You can create 6 measuring screens of your own

and give them a name. The functions are
identical for all 6 measuring screens.

Meas. screen Selection

• On

• Off

Factory setting

Off

Label Customized text, 20

characters

Number of lines 1 to 8

Factory setting

8

Line 1 ... 8 User interface

Label

Source of data Selection

• None

• See list in "Info" column

Factory setting

None

Measured value

Source of data is an
input

Selection

Depends on the input

Factory setting

None

Once you have defined your own measuring
screen, you can switch it on here. You can find
the new screen under User definable screens.

Name of the measuring screen
Appears in the status bar of the display.

Specify the number of measured values
displayed.

Specify the content of Label in the submenu of
each line.

Select a source of data.

‣

You can choose from the following:

• Sensor inputs

• Heartbeat diagnostics of sensor inputs

• Controller

• Current inputs

• Fieldbus signals

• Mathematical functions

• Binary inputs and outputs

• Current outputs

• Relay

• Measuring range switching

You can display different main, secondary and
raw measured values depending on the type of
input.
No options can be selected for outputs here.

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Liquiline CM44P Commissioning

Menu/Operation/User definable screens

Function Options Info

Actuator type

Source of data is a
controller

Label Customized text, 20

Set label to "%0V"

1) "%0V" here stands for text that depends on the context. This text is generated automatically by the
software and inserted in place of %0V. In the simplest situations, the generated text could be the name of
the measuring channel, for example.

Selection

• None

• Bipolar

• Unipolar-

• Unipolar+

Factory setting

None

characters

1)

Action If you perform this action you accept the

For more information on controllers and
manipulated variables: →  88.

User-defined name for the parameter to be
displayed

parameter name that is automatically suggested.
Your own parameter name (Label) is lost!

9.4 Basic setup

Making basic settings

1. Switch to the Setup/Basic setup menu.
 Make the following settings.

2. Device tag: Give your device any name of your choice (max. 32 characters).

3. Set date: Correct the set date if necessary.

4. Set time: Correct the set time if necessary.
 For quick commissioning, you can ignore the additional settings for outputs,

relays etc. You can make these settings later in the specific menus.

5. To return to the measuring mode: press the soft key for ESC for at least one second.
 Your controller now works with your basic settings. The sensors connected use

the factory settings of the sensor type in question and the individual calibration
settings that were last saved.

If you wish to configure your most important input and output parameters in the Basic
setup :

Configure the current outputs, relays, limit switches, controllers, device diagnostics and

‣

cleaning cycles with the submenus which follow the time setting.

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Operation Liquiline CM44P

10 Operation

10.1 Display

10.1.1 Soft keys in measuring 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.

• With HOLD you can activate an immediate, general hold for sensors. This also sets all
the linked outputs, controllers and cleaning cycles to HOLD. Any sensor cleaning
programs that are currently running are interrupted. However, you can also start manual
sensor cleaning when a hold is active.

10.1.2 Measuring mode

There are different display modes: (press the navigator button to change the mode)

• (1) Overview of all the inputs and outputs

• (2) Main measured value of an input or output or the status of a relay

• (3) Main and secondary measured value of a sensor input

• (4) All measured values of a sensor input

• (5) Only for interface measurement:
Graphic display of the separation zone

There are also submenus:

• (6) User-definable measuring menus (only available if already defined)
Choice of previously configured screens (→  60)

• (7) Heartbeat diagnostics
Quick overview of the health of the device and of each connected sensor that supports
Heartbeat technology

Change of channel to modes (2) - (5)

Turn the navigator.

‣

 The display changes from channel to channel.

Sensor type Main value Main / secondary

measured value

Photometer Absorption (UV, NIR,

color, cell growth)
Turbidity

pH, glass pH value pH value, temperature Main value, Raw value,

Combined sensor pH
and ORP

pH, ISFET pH value pH value, temperature Main value, Raw value,

ORP ORP ORP, temperature Main value, Raw value, Offset,

Conductivity,
measured inductively

Conductivity,
measured
conductively

Oxygen, optical and
amperometric

pH value or ORP or rH
value

Conductivity,
concentration

Conductivity,
resistivity,
concentration

Oxygen Oxygen, temperature Partial pressure, Saturation ,

Absorption (UV, NIR,
color, cell growth)
Turbidity

pH value or ORP or rH
value, temperature

Conductivity,
concentration,
temperature

Conductivity, resistivity,
concentration,
temperature

All values

Measured value, 2nd Meas. value,
Raw value, Raw 2nd meas. value

Temperature, Glass Impedance

Main value, Raw value,
Temperature, Glass Impedance

Temperature

Temperature

Main value, Raw value,
Temperature

Main value, Raw value,
Temperature

Concentration, Temperature

62 Endress+Hauser

Liquiline CM44P Operation

Sensor type Main value Main / secondary

measured value

Disinfection Chlorine or

chlorine dioxide
(depending on the
sensor)

Nitrate Nitrate Nitrate, temperature Main value, Raw value,

Turbidity Turbidity Turbidity, temperature Main value, Raw value,

Spectral absorption
coefficient (SAC)

Sludge level Turbidity Turbidity, temperature Main value, Raw value,

Ammonium, ion­selective

Nitrate, ion-selective Nitrate Nitrate, temperature Main value, Raw value,

Potassium, ion­selective

Interface
measurement

SAC SAC, temperature Main value, Raw value,

Ammonium Ammonium,

Potassium Potassium, temperature Main value, Raw value,

UIS UIS Main value, Raw value,

Chlorine or chlorine
dioxide, temperature

temperature

All values

Main value, Raw value,
Temperature

Temperature

Temperature

Temperature

Temperature

Main value, Raw value,
Temperature

Temperature

Temperature

Temperature

Separation zone (graphic)

Heartbeat diagnostics

(optional or with additional activation code)

• Heartbeat diagnostics screen with graphic indicators for the health of the device and
sensor and with a maintenance or (sensor-dependent) calibration timer

• Heartbeat status information on the health of the device and the condition of the sensor
→  64

• : Sensor/device condition or maintenance timer > 20 %; no action is required

• : Sensor/device condition or maintenance timer > 5 ≤ 20 %, maintenance not yet

urgent but should be scheduled

• : Sensor/device condition or maintenance timer < 5 %, maintenance is

recommended

• The Heartbeat sensor condition is the assessment of the calibration results and the
sensor diagnostic functions.

An unhappy smiley can be due to the calibration result, the measured value status or to
the operating hours limit having been exceeded. These limits can be configured in the
sensor setup in a way that adapts the Heartbeat diagnostics to the application.

Heartbeat and NAMUR category

The Heartbeat status indicates the sensor or device condition while the NAMUR categories
(F, C, M, S) assess the reliability of the measured value. The two conditions can correlate
but do not have to.

• Example 1

• The number of remaining cleaning cycles for the sensor reaches 20% of the defined

maximum number. The Heartbeat symbol changes from to . The measured value
is still reliable so the NAMUR status signal does not change.

• If the maximum number of cleaning cycles is exceeded, the Heartbeat symbol changes

from to . While the measured value can still be reliable, the NAMUR status signal
changes to M (maintenance required).

• Example 2
The sensor breaks. The Heartbeat status changes immediately from to and the
NAMUR status signal also changes immediately to F (failure).

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Operation Liquiline CM44P

10.1.3 Device status

Icons on the display alert you to special device states.

Icon Location Description

Header bar Diagnostic message "Failure"

Header bar Diagnostic message "Maintenance request"

Header bar Diagnostic message "Check"

Header bar Diagnostic message "Out of specification"

Header bar Fieldbus or TCP/IP communication active

Header bar Hold active (for sensors)

At measured value Hold for the actuator (current output, limit switch etc.) is active

At measured value

At measured value Measured value in "Bad" or "Alarm" state

At measured value Automatic temperature compensation active (for sensors)

At measured value Manual temperature compensation active (for sensors)

Header bar Simulation mode active or Memocheck SIM connected

At measured value The measured value is influenced by a simulated value

At measured value The displayed measured value is simulated (for sensors)

After the channel number Heartbeat diagnostics: condition of sensor is good

After the channel number Heartbeat diagnostics: condition of sensor is bad

After the channel number Heartbeat diagnostics: condition of sensor is OK

Header bar Controller is active

1)

An offset has been added to the measured value

1) 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, →  137).

10.1.4 Assignment views

Assignment views, e.g. Channel assignment view, appear as the last function in many
sections of the menu. You can use this function to see which actuators or functions are
connected to an input or output. The assignments appear in hierarchical order.

10.2 General settings

10.2.1 Basic settings

Menu/Setup/General settings

Function Options Info

Device tag Customized text, 32

characters

Temperature unit Selection

• °C

• °F

• K

Factory setting

°C

Select any name for your controller, e.g. use

‣

the TAG name.

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Liquiline CM44P Operation

Menu/Setup/General settings

Function Options Info

Current output range Selection

• 0..20 mA

• 4..20 mA

Factory setting

4..20 mA

Failure current 0.0 to 23.0 mA

Factory setting

22.5 mA

The value for Failure current should be outside the measuring range. If you decided that your Current



output range = 0..20 mA you should set an error current between 20.1 and 23 mA. If the Current
output range = 4..20 mA you could also define a value < 4 mA as the error current.

The device allows an error current within the measuring range. In such instances pay attention to any
effects this may have on your process.

Alarm delay 0 to 9999 s

Factory setting

0 s

Device hold Selection

• Disabled

• Enabled

Factory setting

Disabled

In accordance with Namur NE43, the linear
range is from 3.8 to 20.5 mA (4..20 mA) or
from 0 to 20.5 mA (0..20 mA). If the range is
exceeded or undershot, the current value stops
at the range limit and a diagnostic message (460
or 461) is output.

The function meets NAMUR NE43.

Set the current value that should be output

‣

at the current outputs in the event of an
error.

The software displays only the errors that are
present longer than the set delay time. This
makes it possible to suppress messages that only
occur briefly and are caused by normal process­specific fluctuations.

You can enable an immediate, general hold (for
sensors) here. The function acts in the same way
as the HOLD soft key in the screens.

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 Editing mode:

hh (hour): 00 to 23 / 0 am to 12 pm
mm (minutes): 00 to 59
ss (seconds): 00 to 59

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Operation Liquiline CM44P

Menu/Setup/General settings/Date/Time

Function Options Info

Extended setup

Date format Selection

• DD.MM.YYYY

• YYYY-MM-DD

• MM-DD-YYYY

Factory setting

DD.MM.YYYY

Time format Selection

• hh:mm am (12h)

• hh:mm (24h)

• hh:mm:ss (24h)

Factory setting

hh:mm:ss (24h)

Time zone Selection

• None

• Choice of 35 time zones

Factory setting

None

DST Selection

• Off

• Europe

• USA

• Manual

Factory setting

Off

Select a date format.

‣

Choose between 12-hour display or 24-hour

‣

display. Seconds can also be displayed with
the latter version.

None = Greenwich Mean Time (London).

The controller adapts the summertime/normal
time changeover automatically if you choose
European or American daylight saving time.
Manual means that you can specify the start and
end of daylight saving time yourself. Here, two
additional submenus are displayed in which you
specify the changeover date and time.

10.2.3 Hold settings

Menu/Setup/General settings/Hold settings

Function Options Info

Settings automatic Hold

Hold release time 0 to 600 s

Factory setting

0 s

Setup menu Selection

Diagnostics menu

Calibration active Factory setting

• Disabled

• Enabled

Factory setting

Disabled

Enabled

The hold status is maintained for the duration of
the delay time when you switch to the
measuring mode.

Decide whether the device outputs should

‣

switch to the defined hold state when the
particular menu is opened.

If a device-specific hold status is activated, any cleaning previously started is
interrupted. When a hold is active you can only start manual cleaning.

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.

66 Endress+Hauser

Liquiline CM44P Operation

In addition, you can also define individual data logbooks .

1. Assign the logbook name.

2. Select the measured value to be recorded.

3. Set the scan time (Scan time).
 You can set the scan time individually for every data logbook.

Further information on the logbooks: →  159.

Menu/Setup/General settings/Logbooks

Function Options Info

Logbook ident Customized text, 16

characters

Event logbook Selection

• Off

• Ring buffer

• Fill up buffer

Factory setting

Ring buffer

Overflow warnings

Event logbook = Fill up buffer

Calibration logbook Selection

Diagnostic logbook

Configuration logbook

Data logbooks

New You can create a maximum of 8 data logbooks.

Logbook name Customized text, 20

Source of data Selection

Measured value Selection

• Off

• On

Factory setting

Off

characters

• Sensor inputs

• Heartbeat signals

• Controller

• Current inputs

• Fieldbus signals

• Binary inputs

• Mathematical functions

Factory setting

None

Depends on Source of data

Factory setting

None

Part of the file name when exporting a logbook

All diagnostic messages are recorded

Ring buffer
If the memory is full, the most recent entry
automatically overwrites the oldest entry.

Fill up buffer
If the memory is full, there is an overflow,i. e.
you cannot store any new values. The controller
displays a corresponding diagnostic message.
The memory then has to be cleared manually.

Decide whether you want to receive a

‣

diagnostic message if the fill buffer of the
relevant logbook overflows.

Select a data source for the logbook entries.

‣

You can choose from the following:

• Connected sensors

• Available controllers

• Current inputs

• Fieldbus signals

• Binary input signals

• Mathematical functions

You can record different measured values
depending on the data source.

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Menu/Setup/General settings/Logbooks

Function Options Info

Scan time 0:00:01 to 1:00:00

Factory setting

0:01:00

Data logbook Selection

• Ring buffer

• Fill up buffer

Factory setting

Ring buffer

Overflow warnings

Event logbook =
Fill up buffer

Add another

logbook

Finished Action This allows you to exit the New menu.

Start/stop

simultaneously

Logbook name The name of this submenu is based on the name

This menu appears several times if you have several data logbooks.



Selection

• Off

• On

Factory setting

Off

Action Only if you want to create another data logbook

Action Appears if you have created more than one data

Minimum time interval between two entries
Format: H:MM:SS

Ring buffer
If the memory is full, the most recent entry
automatically overwrites the oldest entry.

Fill up buffer
If the memory is full, there is an overflow,i. e. no
new values can be saved. The controller displays
a corresponding diagnostic message. The
memory then has to be cleared manually.

Decide whether you want to receive a

‣

diagnostic message if the fill buffer of the
relevant logbook overflows.

immediately. You add a new data logbook at a
later date using New.

logbook. With one mouse click, you can start or
stop recording all the data logbooks.

of the logbook and only appears once you have
created a logbook.

Source of data Read only This is for information purposes only. If you

Measured value

Log time left

Event logbook =
Fill up buffer

Log size

Event logbook =
Fill up buffer

Logbook name Customized text, 20

Scan time 0:00:01 to 1:00:00

Data logbook Selection

Overflow warnings

Event logbook =
Fill up buffer

Read only Displays the days, hours and minutes remaining

Read only Displays the number of entries remaining until

characters

Factory setting

0:01:00

• Ring buffer

• Fill up buffer

Factory setting

Ring buffer

Selection

• Off

• On

Factory setting

Off

want to record another value, delete this logbook
and create a new data logbook.

until the logbook is full.

the logbook is full.

You can change the name here again.

As above
Minimum time interval between two entries
Format: H:MM:SS

Ring buffer
If the memory is full, the most recent entry
automatically overwrites the oldest entry.

Fill up buffer
If the memory is full, there is an overflow, i. e. no
new values can be saved. The controller displays
a corresponding diagnostic message. The
memory then has to be cleared manually.

Decide whether you want to receive a

‣

diagnostic message if the fill buffer of the
relevant logbook overflows.

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Menu/Setup/General settings/Logbooks

Function Options Info

Line plotter Menu to define the graphic display

Axes Selection

• Off

• On

Factory setting

On

Orientation Selection

• Horizontal

• Vertical

Factory setting

Horizontal

X-Description Selection

Y-Description

Grids

Pitches

X Pitch/Grid distance 10 to 50%

Y Pitch/Grid distance

Remove Action This action removes the data logbook. Any data

• Off

• On

Factory setting

On

Factory setting

10 %

Should the axes (x, y) be displayed (On) or not
(Off)?

You can choose whether the value curves should
be displayed from left to right (Horizontal) or
from top to bottom (Vertical). If you want to
display two data logbooks simultaneously, make
sure that both logbooks have the same settings
here.

Decide whether a description should be

‣

displayed for the axes and whether gridlines
should be shown. In addition, you can also
decide whether pitches should be displayed.

Determine the pitch.

‣

that have not been saved are lost.

Example: New data logbook (Setup/General settings/Logbooks/Data logbooks/New)

1. Make the settings:

• Logbook name
Assign a name. Example: "01".

• Source of data
Select a data source. Example: Sensor connected to channel 1 (CH1).

• Measured value
Select the measured value to be recorded. Example: pH value.

• Scan time
Specify the time interval between two logbook entries.

• Data logbook
Activate the logbook: specify the data storage method.

2. ../Finished: Perform the action.
 The device shows the new logbook in the list of data logbooks.

3. Select data logbook "01".
 Additional display: Log time left.

4. Only in the case of Fill up buffer:
Decide to set Overflow warning: On or Off.
 On: The device displays a diagnostic message in the event of memory overflow.

5. Line plotter submenu: Specify the type of graphic representation.

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10.2.5 Advanced setup

Diagnostics settings

The list of diagnostic messages displayed depends on the path selected. There are device­specific messages, and messages that depend on what sensor is connected.

Menu/Setup/(General settings or Inputs<Sensor channel>)/Extended setup/Diagnostics settings/Diag.
behavior

Function Options Info

List of diagnostic messages

Diag. code Read only

Diagnostic message Selection

• On

• Off

Factory setting

Depends on the message

Failure current Selection

• On

• Off

Factory setting

Depends on the message

Status signal Selection

• Maintenance (M)

• Out of specification (S)

• Function check (C)

• Failure (F)

Factory setting

Depends on the message

Diag. output Selection

• None

• Alarm relay

• Binary output

• Relay 1 to n (depends on
the device version)

Factory setting

None

An alarm relay is always available, regardless of the device version. Other relays are optional.



Select the message to be changed. Only then

‣

can you make the settings for this message.

You can deactivate or reactivate a diagnostic
message here.

Deactivating means:

• No error message in the measuring mode

• No error current at the current output

Decide whether an error current should be

‣

output at the current output if the diagnostic
message display is activated.

In the event of general device errors, the



error current is output at all the current
outputs. In the event of channel-specific
errors, the error current is only output at
the assigned current output.

The messages are divided into different error
categories in accordance with NAMUR NE 107.

Decide whether you want to change a status

‣

signal assignment for your application.

You can use this function to select an output to
which the diagnostic message should be
assigned.

Before being able to assign the message to an
output you must first configure a relay output to
Diagnostics .
(Menu/Setup/Outputs: Assign the Diagnostics
function and set the Operating mode to as
assigned .)

Cleaning program
(for sensors)

Detail information Read only Here you can find more information on the

Selection

• None

• Cleaning 1

• Cleaning 2

• Cleaning 3

• Cleaning 4

Factory setting

None

Decide whether the diagnostic message

‣

should trigger a cleaning program.

You can define the cleaning programs under:
Menu/Setup/Additional functions/Cleaning.

diagnostic message and instructions on how to
resolve the problem.

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HART bus address

The list of diagnostic messages displayed depends on the path selected. There are device­specific 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

Factory setting

0

You can change the device address to integrate
several HART devices in a single network
(Multidrop mode).

If you reset the device to the factory settings (Diagnostics/Reset/Factory default),
the bus address is not reset. Your setting is retained.

PROFIBUS DP

Menu/Setup/General settings/Extended setup/PROFIBUS

Function Options Info

Enable Selection

• Off

• On

Factory setting

On

Termination Read only If the device is the last in the bus, you can

Bus address 1 to 125 If you have addressed the bus via hardware (DIP

Ident number Selection

• Automatic

• PA-Profile 3.02 (9760)

• Liquiline CM44x (155D)

• Manufacturer specific

Factory setting

Automatic

You can switch off communication at this point.
The software can then only be accessed via local
operation.

terminate via the hardware.
→  47

switches on the module, →  47), you can only
read the address here.
If an invalid address is set via the hardware, you
have to assign a valid address for your device
either here or via the bus.

Modbus

Menu/Setup/General settings/Extended setup/Modbus

Function Options Info

Enable Selection

• Off

• On

Factory setting

On

Termination Read only If the device is the last in the bus, you can

You can switch off communication at this point.
The software can then only be accessed via local
operation.

terminate via the hardware.
→  47

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Menu/Setup/General settings/Extended setup/Modbus

Function Options Info

Settings

Transmission Mode Selection

• TCP

• RTU

• ASCII

Factory setting

(Modbus-RS485 only)
RTU

Baudrate

Modbus-RS485 only

Parity

Modbus-RS485 only

Byte order Selection

Watchdog 0 to 999 s

Selection

• 1200

• 2400

• 4800

• 9600

• 19200

• 38400

• 57600

• 115200

Factory setting

19200

Selection

• Even (1 Stopbit)

• Odd (1 Stopbit)

• None (2 Stopbit)

Factory setting

Even (1 Stopbit)

• 1-0-3-2

• 0-1-2-3

• 2-3-0-1

• 3-2-1-0

Factory setting

1-0-3-2

Factory setting

5 s

The transmission mode is displayed depending
on the version ordered.
In the case of RS485 transmission, you can
choose between RTU and ASCII . There are no
choices for Modbus-TCP.

If no data transmission takes place for longer
than the time set, this is an indicator that
communication has been interrupted. After this
time, input values received via the Modbus are
considered to be invalid.

Web server

Menu/Setup/General settings/Extended setup/Webserver

Function Options Info

Webserver Selection

• Off

• On

Factory setting

On

Webserver TCP Port 80 Read only The Transmission Control Protocol (TCP) is an

Webserver login Selection

• Off

• On

Factory setting

On

You can switch off communication at this point.
The software can then only be accessed via local
operation.

arrangement (protocol) as to how data should be
exchanged between computers. A port is a part
of an address which assigns data segments to a
network protocol.

You can switch user administration on and off at
this point. This makes it possible to create
multiple users with password access.

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Menu/Setup/General settings/Extended setup/Webserver

Function Options Info

User administration

List of users already
created

New user:

Name Free text Create new user

Enter new user password Free text

Confirm new user
password

Change user password Free text

View/edit You can change user names or passwords or

delete users. A user is already created at the
factory: "admin" with password "admin".

1. INSERT .

Free text

2. Assign any name to the new user.

3. Select a password for the user.

4. Confirm password.
 You can now change the password at

any time.

PROFINET

Menu/Setup/General settings/Extended setup/PROFINET

Function Options Info

Name of Station Read only

Factory setting

Empty character string

Symbolic name for unique identification of the
field device in a PROFINET system. The
parameter can only be written via the DCP
protocol.

Ethernet/IP or Ethernet (depending on the protocol)

If PROFINET is used, the settings in this menu are read only settings. The network
settings are made via the PROFINET-DCP protocol.

For detailed information on "PROFINET communication", see the product pages on the
internet (→ SD02490C).

All the functions and configuration options listed in the following table do not apply for

‣

PROFINET.

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Menu/Setup/General settings/Extended setup/Ethernet

Function Options Info

Enable Selection

• Off

• On

Factory setting

On

Settings

Link settings Selection

• Auto negotiation

• 10MBps Half duplex

• 10MBps Full duplex

• 100MBps Half duplex

• 100MBps Full duplex

Factory setting

Auto negotiation

DHCP Selection

• Off

• On

Factory setting

On

IP-Address xxx.xxx.xxx.xxx An IP address is an address in computer

Netmask xxx.xxx.xxx.xxx On the basis of the IP address of a device, the

Gateway x.x.x.x A gateway (protocol converter) enables

Service switch Read only

MAC-Address Read only The MAC address (Media Access Control

EtherNetIP Port 44818 Read only A port is a part of an address which assigns data

You can switch off communication at this point.
The software can then only be accessed via local
operation.

Transmission methods of the communication
channels

• Full duplex:
Data can be transmitted and received
simultaneously.

• Half-duplex:
Data can be transmitted and received on an
alternating basis only, i.e. not simultaneously.

The Dynamic Host Configuration Protocol
(DHCP) makes it possible to assign the network
configuration to clients via a server. With DHCP,
it is possible to automatically integrate the
device into an existing network without the need
for manual configuration. Normally only the
automatic assignment of the IP address must be
configured at the client. During startup, the IP
address, the netmask and the gateway are
retrieved from a DHCP server.

Do you want to assign the IP address of the



device manually? If so, you must set
DHCP= Off.

networks which are based on the Internet
protocol (IP).
You can only set the IP address if DHCP is
switched off.

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. It therefore divides the IP address into a
network part (network prefix) and a device part.
The network part must be identical for all
devices in the individual network, and the device
part must be different for every device within the
network.

communication between networks that are
based on completely different protocols.

address) is the hardware address of every
individual network adapter which is used to
uniquely identify the device in a computer
network.

segments to a network protocol.

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Accepting settings

Have you changed settings manually, such as the IP address?

Before you leave the Ethernet menu:

‣

SAVE Select to apply your settings.
 In theDIAG/System information menu you can check whether the new settings

are used.

Data management

Firmware update

Please contact your local sales office for information on firmware updates available
for your controller and its compatibility with earlier versions.

Current firmware version : Menu/Diagnostics/System information/.

Back up your current setup and your logbooks to an SD card.

‣

To install a firmware update, you must have the update available on an SD card.

1. Insert the SD card into the controller card reader.

2. Go to Menu/Setup/General settings/Extended setup/Data management/
Firmware update .

 The update files on the SD card are displayed.

3. Select the desired update and select yes when asked the following:

The current firmware will be overwritten.
After this the device will reboot.
Do you want to proceed?

 The firmware is loaded and the device is then started with the new firmware.

Saving the setup

Saving a setup offers the following advantages, among others :

• Copying settings for other devices

• Quick and easy switching between various setups, e. g. for different user groups or for
recurring sensor type changes

• 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. Insert the SD card into the controller card reader.

2. Go to Menu/Setup/General settings/Extended setup/Data management/Save
setup .

3. Name: Assign a file name.

4. Then select Save .
 If you have already assigned the file name, you will be asked whether you want to

overwrite the existing setup.

5. Use OK to confirm or cancel and assign a new file name.
 Your setup is stored on the SD card and you can upload it quickly to the device at

a later date.

Loading the setup

When you load a setup, the current configuration is overwritten.

1. Insert the SD card into the controller card reader. A setup must have been saved to
the SD card.

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2. Go to Menu/Setup/General settings/Extended setup/Data management/Load
setup .

 A list of all the setups on the SD card is displayed.

An error message is displayed if there is no valid setup on the card.

3. Select the desired setup.
 A warning is displayed:

The current parameters will be overwritten and the device will reboot.
Warning: Please note that cleaning and controller programs can be active.
Do you want to proceed?

4. Use OK to confirm or cancel.
 If you select OK to confirm, the device restarts with the desired setup.

Exporting the setup

Exporting a setup offers the following advantages,  among others:

• Export in XML format with a stylesheet for formatted display in an XML-compatible
application, such as  . Microsoft Internet Explorer

• Importing the data (drag and drop the XML file into a browser window)

1. Insert the SD card into the controller card reader.

2. Go to Menu/Setup/General settings/Extended setup/Data management/Export
setup .

3. Name: Assign a file name.

4. Then select Export .
 If you have already assigned the file name, you will be asked whether you want to

overwrite the existing setup.

5. Use OK to confirm or cancel 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 . This is the only way you can save a setup to an SD card and reload it later on or
upload it to other devices.

Activation code

You require activation codes for:

• Additional functions, e.g. fieldbus communication

• Firmware upgrades

• Modifications, e.g. deactivation of fieldbus protocols

If your original device has activation codes, these can be found on the nameplate. The
corresponding device functions are activated at the factory. You only require the codes
if servicing the device or deactivating fieldbus protocols.

1. Enter activation code: Menu/Setup/General settings/Extended setup/Data
management/Activation code.

2. Confirm your entry.
 The new hardware or software function is activated and can be configured.

Functions that are enabled by an activation code:

Function Activation code beginning with

Second Memosens input 062...

Deactivation of fieldbus when the 485 module is removed

Two current outputs (BASE2-E module only) 081...

Web server

2)

1)

0B0...

351...

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Function Activation code beginning with

HART 0B1...

PROFIBUS DP 0B3...

Modbus TCP 0B8...

Modbus RS485 0B5...

EtherNet/IP 0B9...

PROFINET 0B7...

Measuring range switching, set 1 211...

Measuring range switching, set 2

Feedforward control 220...

Chemoclean Plus 25...

Configure the mathematical function Cation exchanger capacity 301...

Heartbeat monitoring 2D1...

Heartbeat verification 2E1...

1) The device displays an error message if you remove the 485 module with the fieldbus protocol activated.
You must now enter the activation code on the inside nameplate. The fieldbus is only deactivated once you
do this. Afterwards you must enter the appropriate activation code to activate current outputs of the base
module. Additional current outputs (CM444R and CM448R only) are activated as soon as the
corresponding module is used.

2) Via Ethernet socket of the Base2 module, for versions without an Ethernet fieldbus

3) When you order the "Measuring range switching" option, you receive two activation codes. Enter both in
order to have two sets for measuring range switching.

3)

212...

Change password

You can lock the operating keys with a password (access the context menu by pressing the
navigator for longer). The keys can then only be enabled by entering the right password.

You can 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. Enter the new password again.
 The lock password has been changed successfully.

Press the navigator for longer to return to the measuring mode.

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10.3 Inputs

10.3.1 Photometer

General settings

Menu/Setup/Inputs/Photometer

Function Options Info

Channel Selection

• Off

• On

Factory setting

On

Photometer type Selection

• OUSAF11

• OUSAF12

• OUSAF21/22

• OUSAF44/45

• OUSAF46

• OUSAF46 (2)

• OUSBT66

• OUSTF10

Factory setting

OUSAF21/22

Operating mode

Photometer type =
OUSAF21/22

Dataset Selection

Manual hold Selection

Optical path length 0.5 to 1000.0 mm

Selection

• Main value

• Main value + ref.

• 2x absorption

Factory setting

Main value + ref.

Dataset 1 ... 5

Factory setting

Dataset 1

• Off

• On

Factory setting

Off

Factory setting

10.0 mm

OUSAF46 sensors have two detectors. Therefore
you need two PEM modules to connect an
OUSAF46 sensor.

1. Select OUSAF46 for the configuration of
the first input channel to which one of the
two detectors is connected.

2. OUSAF46 (2) must be selected for the
configuration of the other input channel
to which the second detector is connected.

 In the measuring mode, you can view

the measured values of both
channels, i.e. the two OUSAF46
detectors, in a user-defined view.

Main value

This operating mode uses both sensor detector
signals for absorbance measurement. The second
detector signal is used to compensate for lamp
aging or turbidity.

Main value + ref.

The absorbance of the reference wavelength can
be displayed in addition to the compensated
main measured value. The reference value can
be adapted to turbidity measurement or solids
measurement in the calibration menu of the
reference channel.

2x absorption

This operating mode uses both detector signals
independently of one another for single-channel
absorbance measurement. Both measured values
are uncompensated and can be calibrated and
adjusted individually.

You can configure datasets in the menu: CAL/
Photometer/Measurement channel
(Reference channel/2nd measurement

channel)/Application adjustment.

On

You can use this function to set the channel
manually to "Hold".

Off

No channel-specific hold

Enter the distance between the two window
surfaces (light path through the medium). The
minimum and maximum distance depends on
the cable length and the process connection.

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Menu/Setup/Inputs/Photometer

Function Options Info

Lamp voltage 2.5 to 12.0 V

Factory setting

Depends on the sensor

Lamp control input Selection

• None

• Fieldbus input

• Binary input

Factory setting

None

Switch lamp on
Switch lamp off

Action Have you checked the correct lamp voltage

The lamp voltage depends on the choice of
sensor.

1. Check the setting against the table below
with the lamp voltages of the sensors.

2. Set the correct voltage if necessary.

The lamp can be switched on and off via a binary
input or fieldbus. The voltage must be configured
once following a change of photometer type or a
change in voltage. Otherwise a diagnostic
message is displayed.

beforehand and corrected the setting if
necessary?

If so, you can now turn on the lamp.

‣

Furthermore, you can also switch off the lamp
here again and cancel the measurement.

Lamp voltages of photometer sensors

Sensor version Lamp type Lamp voltage [V]

OUSAF11-xxxxx Incandescent lamp 4.9 ± 0.1

OUSAF12-xxAxx Standard incandescent lamp 3.4 ± 0.1

OUSAF12-xxBxx Collimated incandescent lamp 4.9 ± 0.1

OUSAF12-xxCxx High-luminescence lamp 4.9 ± 0.1

OUSAF12-xxDxx Gas-filled high-performance lamp 4.9 ± 0.1

OUSAF21-xxxxx High-luminescence or gas-filled high-performance

lamp

OUSAF22-xxxxx High-luminescence or gas-filled high-performance

lamp

OUSAF44-xxxx Low-pressure mercury lamp 10.0 ± 0.1

OUSAF46-xxxx Low-pressure mercury lamp 10.0 ± 0.1

OUSTF10-xxxxx Collimated incandescent lamp 4.9 ± 0.1

OUSBT66-xxxxx LED 7.5 ± 0.1

4.9 ± 0.1

4.9 ± 0.1

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Advanced setup

Measuring channel

Menu/Setup/Inputs/Photometer/Extended setup/Measurement channel

Function Options Info

Damping 0 to 600 s

Factory setting

0 s

Calib. settings

Stability criteria You define the permitted variation in the

Delta signal 0.1 to 2.0 %

Factory setting

0.2 %

Duration 0 to 100 s

Factory setting

10 s

Calibration timer Selection

• Off

• On

Factory setting

Off

Calibration timer value 1 to 10 000 h

Factory setting

1000 h

Calib. expiration time Selection

• Off

• On

Factory setting

Off

Calib. expiration

time

Warning limit Factory setting

11 months

Alarm limit Factory setting

12 months

The damping causes a floating average curve of
the measured values over the time specified.

measured value which may not be exceeded in a
certain timeframe during calibration. If the
permitted difference is exceeded, the calibration
will not be allowed and is canceled
automatically.

Permitted measured value variation during
calibration

Timeframe within which the permitted
measured value variation may not be exceeded

Switches the function on or off

Enter the time after which the timer should time
out. When this time expires, diagnostic message
Calibration timer is displayed with code 102.

The function checks whether the calibration of a
sensor is still valid. Example: you install a pre­calibrated sensor. The function checks how long
ago the sensor was last calibrated. A diagnostic
message is displayed if the last calibration is
longer in the past than the prespecified warning
or alarm limit.

Warning and alarm limits mutually influence
each other's possible adjustment range. Range in
which the two limits must be: 1 to 24 months.
Generally, the following applies: alarm limit >
warning limit

Diagnostic message: 105 Calibration validity

Diagnostic message: 104 Calibration validity

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Menu/Setup/Inputs/Photometer/Extended setup/Measurement channel

Function Options Info

EasyCal Selection

• Yes

• No

Factory setting

No

NIST filter low 0.0000 to 99.9999 AU

Factory setting

0.5000 AU

NIST filter high 0.0000 to 99.9999 AU

Factory setting

1.0000 AU

Recert. date filter Enter a date

Filter value 0.0000 to 99.9999 AU

Factory setting

1.0000 AU

Filter calibration Selection

• Yes

• No

Factory setting

No

Calibration filter 0.0000 to 99.9999 AU

Factory setting

1.0000 AU

Verification filter 0.0000 to 99.9999 AU

Factory setting

0.0000 AU

Zero solution 0.0000 to 99.9999 AU

Factory setting

0.0000 AU

Standard solution 0.0000 to 99.9999 AU

Factory setting

1.0000 AU

The absorbance values mentioned above are the reference values with which the measuring point



is aligned during two-point calibration ( CALmenu).

Input optical zero Selection

• None

Input manual offset This function can be used to set the manual

• Current inputs

• Digital inputs

• Fieldbus input signal

Factory setting

None

Easycal is available for:

• OUSAF12

• OUSAF21/22

• OUSAF44/45

These 3 menu items are only displayed for the
following sensors:
OUSAF44/45

Enter the actual filter values that appear on the
factory calibration certificate of your Easycal.

Enter the recertification date specified on the
factory calibration certificate.

Applies for the following sensors:

• OUSAF12

• OUSAF21/22

Enter the actual filter values that appears on the
factory calibration certificate of your Easycal.

This menu item and the next two menu items
are only displayed for OUSBT66.

Enter the value on the certificate of the blue
calibration filter here.

Enter the value on the certificate of the red
verification filter here.

This function and the following function are not
available for OUSBT66.
Laboratory value for the absorbance of zero
solution

Laboratory value for the absorbance of standard
solution

This function can be used to set the optical zero
point via external input signals.

offset via external input signals.

2nd measurement channel (OUSAF21/22 only)

This additional menu is displayed if, under Menu/Setup/Inputs/Photometer/Operating
mode , you selected the option 2x absorption .

It has the same structure and the same configuration options as Measurement channel
(→  80).

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Operation Liquiline CM44P

Reference channel (OUSTF10 and OUSAF21/22 only)

The menu is only available for the following sensors:

• OUSTF10
The measuring channel presents the measured values of the scattered light detector,
while the reference channel presents those of the transmitted light detector.

• OUSAF21/22
The measuring channel presents the values of the first wavelength (color measurement),
while the reference channel presents those of the second wavelength (turbidity value).
The menu only has the following setting for these sensors:

Menu/Setup/Inputs/Photometer/Operating mode = Main value + ref.

Menu/Setup/Inputs/Photometer/Extended setup/Reference channel

Function Options Info

Channel Selection

• Off

• On

Factory setting

On

Damping 0 to 600 s

Factory setting

0 s

The damping causes a floating average curve of
the measured values over the time specified.

Diagnostic settings

Limits operating hours

Menu/Setup/Inputs/Photometer/Extended setup/Diagnostics settings

Function Options Info

Limits operating hours

Function Selection

• Off

• On

Factory setting

Off

Limit change filter

Warning limit 0 to 50000 h

Factory setting

10000 h

Diag. code 157

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Liquiline CM44P Operation

Diagnostic behavior

The list of diagnostic messages displayed depends on the path selected. There are device­specific messages, and messages that depend on what sensor is connected.

Menu/Setup/(General settings or Inputs<Sensor channel>)/Extended setup/Diagnostics settings/Diag.
behavior

Function Options Info

List of diagnostic messages

Diag. code Read only

Diagnostic message Selection

• On

• Off

Factory setting

Depends on the message

Failure current Selection

• On

• Off

Factory setting

Depends on the message

Status signal Selection

• Maintenance (M)

• Out of specification (S)

• Function check (C)

• Failure (F)

Factory setting

Depends on the message

Diag. output Selection

• None

• Alarm relay

• Binary output

• Relay 1 to n (depends on
the device version)

Factory setting

None

An alarm relay is always available, regardless of the device version. Other relays are optional.



Select the message to be changed. Only then

‣

can you make the settings for this message.

You can deactivate or reactivate a diagnostic
message here.

Deactivating means:

• No error message in the measuring mode

• No error current at the current output

Decide whether an error current should be

‣

output at the current output if the diagnostic
message display is activated.

In the event of general device errors, the



error current is output at all the current
outputs. In the event of channel-specific
errors, the error current is only output at
the assigned current output.

The messages are divided into different error
categories in accordance with NAMUR NE 107.

Decide whether you want to change a status

‣

signal assignment for your application.

You can use this function to select an output to
which the diagnostic message should be
assigned.

Before being able to assign the message to an
output you must first configure a relay output to
Diagnostics .
(Menu/Setup/Outputs: Assign the Diagnostics
function and set the Operating mode to as
assigned .)

Cleaning program
(for sensors)

Detail information Read only Here you can find more information on the

Selection

• None

• Cleaning 1

• Cleaning 2

• Cleaning 3

• Cleaning 4

Factory setting

None

Decide whether the diagnostic message

‣

should trigger a cleaning program.

You can define the cleaning programs under:
Menu/Setup/Additional functions/Cleaning.

diagnostic message and instructions on how to
resolve the problem.

External dataset control

The function allows you to switch between datasets for application adjustment. This
switchover is either manual or is controlled by the process control system. In this way, you
can respond to changes in your process by applying a suitable dataset in each case.

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Operation Liquiline CM44P

The change in the process - for example, concentration measurement with a varying
medium composition (milk, cream, yogurt) - can be communicated to the transmitter by a
binary input signal. Binary inputs and fieldbus signals are available. For this, your device
must have the appropriate hardware and the necessary activation codes.

You can specify a maximum of 3 dataset switches. Each switch has two states (binary
encoding). Therefore you have a maximum of 23=8 signal combinations for dataset
switching.

1. Open the menu: Setup/Inputs/Photometer/Extended setup/Ext. dataset control.

2. Dataset switch 00x, Dataset switch 0x0, Dataset switch x00: First set up the
dataset switches (maximum 3 switches). You can use a binary input or one of a
maximum of 8 fieldbus signals as the signal source.

3. Then specify the dataset to be used for application adjustment for each available
signal combination (Switch equals 000, Switch equals 001 etc.), (→  133).

Finally, activate the function (Ext. dataset control=On).

If you activate the function Ext. dataset control the dataset under Menu/Setup/
Inputs/Photometer/Dataset is for display only. You can no longer choose between
the datasets.

External hold

You can trigger a hold for all the devices of a measuring point via a digital signal, e.g. a
fieldbus signal. Make sure that you do not use the hold signal elsewhere. You can assign
an external hold individually to every sensor input.

You will only find the function in the initial menu if you have configured the signals
for the external hold in the general hold settings beforehand:

Menu/Setup/General settings/Hold settings/External hold.

Menu/Setup/Inputs/Channel: Sensor type/Extended setup/ External hold

Function Options Info

Source Selection

• Binary inputs

• Fieldbus signals

Factory setting

None

1. For selecting the signal source of the
external hold.

 Multiple selection is possible.

2. OK: confirms selection.

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Liquiline CM44P Operation

Cleaning hold

Menu/Setup/Inputs/Channel: Sensor type/ Extended setup

Function Options Info

Cleaning hold Selection

• None

• Cleaning 1 ... 4

Factory setting

None

For selecting one or more cleaning programs

‣

(multiple selection).
 For the programs defined, the channel

goes to "Hold" while cleaning is in
progress.

Cleaning programs are executed:

• At a specified interval
For this, the cleaning program must be
started.

• If a diagnostics message is pending on the
channel and a cleaning has been specified for
this message (→ Inputs/Channel: Sensor
type/Diagnostics settings/Diag. behavior/
Diagnostic number/Cleaning program).

You define the cleaning programs in the Setup/Additional functions/Cleaning.

Sensor identification

Enter the following values (customized text) to identify the sensor:

• Serial number sensor

• Serial number assembly

• Serial number cable

10.3.2 Current inputs

The input can be used as the data source for limit switches and logbooks, for example.
Furthermore, external values can be made available as set points for controllers.

Menu/Setup/Inputs/Current input x:y

Function Options Info

Mode Selection

Input variable Selection

Meas. value format Selection

Parameter name

Input variable = Parameter

Unit of measure

Input variable = Parameter

1)

• Off

• 0 - 20mA

• 4 - 20mA

Factory setting

4 - 20mA

• Flow rate

• Parameter

• Current

Factory setting

Current

• #

• #.#

• #.##

• #.###

Factory setting

#.#

Customized text, 16
characters

Customized text, 16
characters

Select the same current range as in the data

‣

source (connected device).

Select the input variable.

‣

Specify the number of decimal places.

‣

Assign a useful name, e.g. the parameter

‣

name that the data source also uses.

You cannot choose the unit from a list. If you
want to use a unit, you must enter it here as
customized text.

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Operation Liquiline CM44P

Menu/Setup/Inputs/Current input x:y

Function Options Info

Lower range value

Input variable = Parameter

Upper range value

Input variable = Parameter

Damping 0 to 60 s

1) x:y = slot no. : input number

1)

-20.0 ... Upper range
value <unit of measure>

Factory setting

0.0 <engineering unit>

Lower range value to

10000.0 <engineering
unit>

Factory setting

10.0 <engineering unit>

Factory setting

0 s

Enter the measuring range. The lower and

‣

upper range values are assigned to the 0 or
4 mA value and the 20 mA value
respectively. The system uses the
engineering unit which you entered
beforehand.

The damping causes a floating average curve of
the measured values over the time specified.

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.

‣

Menu/Setup/Outputs/Current output x:y

Function Options Info

Current output Selection

• Off

• On

Factory setting

Off

Source of data Selection

• None

• Connected inputs

• Controller

Factory setting

None

Measured value Selection

• None

• Depends on the Source

Factory setting

None

The list of dependent measured values is provided in the Measured value table, subject to the Source of



data→  87.
Apart from measured values from connected sensors, you can also select a controller as the data source.
The best way to do so is by using the Additional functions menu. Here, you can select and configure the
current output for outputting the controlled variable.

Range lower value Range of adjustment and

Range upper value

factory settings depending
on the Measured value

1)

Use this function to activate or deactivate a
variable being output at the current output

The sources of data on offer depend on your
device version.
The all the sensors and controllers connected to
inputs are available for selection.

The measured value you can select depends on
the option selected under Source of data.

of data

You can output the entire measuring range or
just some of it at the current output. To do so,
specify the upper and lower range values in
accordance with your requirements.

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Liquiline CM44P Operation

Menu/Setup/Outputs/Current output x:y

Function Options Info

Hold behavior Selection

• Freeze last value

• Fixed value

• Ignore

Factory setting

Depends on the
channel:output

Hold current

Hold behavior = Fixed value

1) x:y = slot:output number

0.0 to 23.0 mA

Factory setting

22.0 mA

1)

Freeze last value

The device freezes the last current value.

Fixed value

You define a fixed current value that is output at
the output.

Ignore

A hold does not affect this current output.

‣

Measured value depending on the Source of data

Source of data Measured value

Photometer Selection

• Measured value

• 2nd measurement value

• Raw meas. current

• Raw ref. current

• Lamp current

• Lamp voltage

• Raw meas. value

• Raw 2nd meas. value

pH Glass Selection

pH ISFET

ORP Selection

Oxygen (amp.) Selection

Oxygen (opt.)

Cond i Selection

Cond c

Cond c 4-pol

Disinfection Selection

ISE Selection

• Raw value mV

• pH

• Temperature

• Temperature

• ORP mV

• ORP %

• Temperature

• Partial pressure

• Concentration liquid

• Saturation

• Raw value nA

(only Oxygen (amp.))

• Raw value μs

(only Oxygen (opt.))

• Temperature

• Conductivity

• Resistance

(only Cond c)

• Concentration

(only Cond i and Cond c 4-pol)

• Temperature

• Sensor current

• Concentration

• Temperature

• pH

• Ammonium

• Nitrate

• Potassium

• Chloride

Specify which current should be output at
this current output in the hold state.

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Operation Liquiline CM44P

Source of data Measured value

TU/TS Selection

TU

Nitrate Selection

Ultrasonic interface Selection

SAC Selection

Controller 1 Selection

Controller 2

Mathematical functions All the mathematical functions can also be used as a data source and the calculated

• Temperature

• Turbidity g/l

(only TU/TS)

• Turbidity FNU

(only TU/TS)

• Turbidity Formazine

(only TU)

• Turbidity solid

(only TU)

• Temperature

• NO3

• NO3-N

• Temperature

• Interface

• Turbidity

• Temperature

• SAC

• Transm.

• Absorption

• COD

• BOD

• Bipolar

(only for current outputs)

• Unipolar+

• Unipolar-

value can be used as the measured value.

Outputting the controller manipulated variable via the current output
Unipolar+ Assign to the output to which an actuator that can increase the measured value

is connected. Unipolar- Assign to the output to which an actuator that can decrease the
measured value is connected.
To output the manipulated variable of a two-sided controller, positive manipulated
variables and negative manipulated variables generally have to be output to different
actuators, as most actuators are able to influence the process in one direction only (not in
both). For this purpose, the instrument splits the bipolar manipulated variable y into two
unipolar manipulated variables, y+ and y‐.
Only the two unipolar manipulated variable parts are available for selection for outputting
to modulated relays. If outputting the values via a current output, you also have the
possibility of outputting the bipolar manipulated variable y to one current output only
(split range).

10.4.2 Alarm relay and optional relays

The basic version of the device always has one alarm relay. Additional relays are also
available depending on the version of the device.

The following functions can be output via a relay:

• Limit switch status

• Controller manipulated variable for controlling an actuator

• Diagnostic messages

• Status of a cleaning function in order to control a pump or a valve

You can assign a relay to multiple inputs in order to clean several sensors with just
one cleaning unit, for example.

88 Endress+Hauser

Liquiline CM44P Operation

Menu/Setup/Outputs/Alarm relay or relay at channel no.

Function Options Info

Function Selection

• Off

• Limit switch

• Controller

• Diagnostics

• Cleaning
(sensor)

• Formula
(sensor)

Factory setting

• Alarm relays:
Diagnostics

• Other relays:
Off

The following functions depend on the option
selected.
These versions are illustrated individually in the
following sections to provide a clearer
understanding of the options.

Function = Off
Switches off the relay function and means no
further settings are required.

Outputting the status of a limit switch

Function = Limit switch

Function Options Info

Source of data Selection

Limit switch 1 ... 8

Factory setting

None

Hold behavior Selection

• Freeze last value

• Fixed value

• Ignore

Factory setting

Ignore

Select the limit switch via which the status of the
relay is to be output.

The limit switches are configured in the menu:
Setup/Additional functions/Limit switches.

Use the ALL and NONE soft keys to select



or deselect all the limit switches in one go.

Outputting the manipulated variable of a controller

To output a controller manipulated variable via a relay, the relay is modulated. The relay is
energized (pulse, t1) and is then de-energized (interval, t0).

Function = Controller

Function Options Info

Source of data Selection

• None

• Controller 1

• Controller 2

Factory setting

None

Operating mode Selection

• PWM

• PFM

Factory setting

PWM

Select the controller that should act as the

‣

data source.

PWM=pulse width modulation
PFM=pulse frequency modulation

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Operation Liquiline CM44P

0

T

t1t

0

2T 3T

y = t / T

1

10 % 50 % 100 %

1 "High"

0 "Low"

t

1 "High"

0 "Low"

T

t

t

1

t

0

2T

y = f / f = T / T

max min

100 % 50 %

20 %

3T

1. PWM (pulse width modulation):
The duty cycle is varied within a period T (T=t1+t0). The cycle duration remains
constant.

 82 Typical application: solenoid valve

2. PFM (pulse frequency modulation):
Here, pulses of a constant length (t1) are output and the interval between the pulses
varies (t0). At a maximum frequency, t1 = t0.

 83 Typical application: dosing pump

Function = Controller

Function Options Info

Actuator type Selection

• None

• Unipolar(-)

• Unipolar(+)

Factory setting

None

Cycle duration

Operating mode = PWM

The settings for Cycle duration and Shortest turn-on time influence one another. The following applies:



Cycle duration ≥ Shortest turn-on time.

Shortest turn-on time

Operating mode = PWM

Shortest turn-on time to

999.0 s

Factory setting

10.0 s

0.3 s to Cycle duration

Factory setting

0.3 s

Here you specify what part of the controller
should power the relay. Unipolar(+) is the part
of the manipulated variable which the controller
uses to increase the process value (e.g. for
heating purposes). Alternatively, select
Unipolar(-) if you are connecting an actuator to
the relay that reduces the controlled variable
(e.g. for cooling purposes).

Specify the cycle duration within which the

‣

duty cycle should be varied (only PWM).

Pulses that are shorter than this limit value are
not output in order to conserve the actuator.

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Liquiline CM44P Operation

Function = Controller

Function Options Info

Maximum frequency

Operating mode = PFM

Hold behavior Selection

1 to 180 min

Factory setting

60 min

• Freeze last value

• Fixed value

• Ignore

Factory setting

Ignore

-1

‐1

Maximum number of pulses per minute
The controller calculates the pulse duration
based on this setting.

Outputting diagnostic messages via the relay

If a relay is defined as a diagnostic relay (Function = Diagnostics), it works in the "fail­safe mode".

This means that the relay is always energized ("normally closed", n.c.) in the basic state if
an error is not present. In this way it can also indicate a drop in voltage, for example.
The alarm relay always works in the failsafe mode.

You can output two categories of diagnostic messages via the relay:

• Diagnostic messages from one of the 4 Namur classes →  137

• Diagnostic messages which you have individually assigned to the relay output

A message is individually assigned to the relay output at 2 specific points in the menu:

• Menu/Setup/General settings/Extended setup/Diagnostics settings/Diag. behavior
(device-specific messages)

• Menu/Setup/Inputs/<Sensor>/Extended setup/Diagnostics settings/Diag. behavior
(sensor-specific messages)

Before being able to assign the relay output to a special message in Diag. behavior
you must first configure Outputs/Relay x:y or /Alarm relay/Function = Diagnostics .

Function = Diagnostics

Function Options Info

Operating mode Selection

• as assigned

• Namur M

• Namur S

• Namur C

• Namur F

Factory setting

• Relay:
as assigned

• Alarm relays:
Namur F

Attributed diagnostic messages

Operating mode = as
assigned

Read only All the messages assigned to the relay output

as assigned
If this option is selected, the diagnostic messages
which you have individually assigned to the relay
are output via the relay.

Namur M ... Namur F
If you decided to use one of the Namur classes,
all the messages that are assigned to the
individual class are output via the relay. You can
also change the Namur class assignment for
every diagnostic message.
(Menu/Setup/General settings/Extended

setup/Diagnostics settings/Diag. behavior or
Menu/Setup/Inputs/<Sensor>/Extended
setup/Diagnostics settings/Diag. behavior)

appear on the display. You do not have the
option of editing the information here.

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Operation Liquiline CM44P

Outputting the status of a cleaning function

Function = Cleaning

Function Options Info

Assignments Selection

• None

• Depends on the type of
cleaning

Factory setting

None

Hold behavior Selection

• Freeze last value

• Fixed value

• Ignore

Factory setting

Ignore

Here you can specify how a cleaning function
should be displayed for the relay.

You have the following options depending on the
cleaning program that is selected (Menu/Setup/
Additional functions/Cleaning:

• Cleaning type = Standard clean

Cleaning 1 - Water, Cleaning 2 - Water,
Cleaning 3 - Water, Cleaning 4 - Water

• Cleaning type = Chemoclean
Cleaning 1 - Water, Cleaning 1 - Cleaner,
Cleaning 2 - Water, Cleaning 2 - Cleaner,
Cleaning 3 - Water, Cleaning 3 - Cleaner,
Cleaning 4 - Water, Cleaning 4 - Cleaner

• Cleaning type = Chemoclean Plus
4x Cleaning 1 - %0V, 4x Cleaning 2 - %0V

Freeze last value

The device freezes the last measured value.

Fixed value

You define a fixed measured value that is output
at the output.

Ignore

A hold has no effect.

1)

1) %0V is variable text which you can assign in Menu/Setup/Additional functions/Cleaning/Chemoclean

Plus/Output label 1 ... 4.

Formula

Function = Controller

Function Options Info

Operating mode Selection

• PWM

• PFM

Factory setting

PWM

Source of data Selection

• List of available
formulas

• Maximum of 8 formulas

Range lower value 0 to 9999

Range upper value Range lower value to

9999

Cycle duration

Operating mode = PWM

The settings for Cycle duration and Shortest turn-on time affect one another. The following applies:



Cycle duration ≥ Shortest turn-on time.

Shortest turn-on time

Operating mode = PWM

Shortest turn-on time to

999.0 s

Factory setting

10.0 s

0.3 s to Cycle duration

Factory setting

0.3 s

PWM=pulse width modulation
PFM=pulse frequency modulation→  90

Mathematical functions of type Formula must be
available.

Select the formula which is to serve as a data

‣

source.

Specify the cycle duration within which the

‣

duty cycle should be varied (only PWM).

Pulses that are shorter than this limit value are
not output in order to conserve the actuator.

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Function = Controller

Function Options Info

Maximum frequency

Operating mode = PFM

Hold behavior Selection

1 to 180 min

Factory setting

60 min

• Freeze last value

• Fixed value

• Ignore

Factory setting

Ignore

-1

‐1

Maximum number of pulses per minute
The controller calculates the pulse duration
based on this setting.

10.4.3 HART

Specify which device variables should be output via HART communication.

You can define a maximum of 16 device variables.

1. Specify the data source.
 You can choose from sensor inputs and controllers.

2. Select the measured value to be output.

3. Specify the behavior in "Hold" status. (Configuration options of Source of data,
Measured value and Hold behavior) →  87

Please note that if you select Hold behavior = Freeze , the system not only flags the status
but also actually "freezes" the measured value.

More information is provided in:

Operating Instructions "HART Communication", BA00486C

10.4.4 PROFIBUS DP and PROFINET

Device variables (device → PROFIBUS/PROFINET)

Here you can specify which process values should be mapped to the PROFIBUS function
blocks and are thereby available for transmission via PROFIBUS communication.

You can define a maximum of 16 device variables (AI Blocks).

1. Define the data source.
 You can choose from sensor inputs, current inputs and mathematical functions.

2. Choose the measured value to be transmitted.

3. Define how the device should behave in the hold state. (Configuration options of
Source of data, Measured value and Hold behavior) →  87

Please note that if you select Hold behavior= Freeze , the system not only flags the status
but also actually "freezes" the measured value.

In addition, you can define 8 binary variables (DI Blocks):

1. Define the data source.

2. Select the limit switch or relay whose status is to be transmitted.

PROFIBUS/PROFINET variables (PROFIBUS/PROFINET → device)

A maximum of 4 analog (AO) and 8 digital (DO) PROFIBUS variables are available as
measured values in the controller, limit switch or current output menus.

Example: Using an AO or DO value as the set point for the controller

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Operation Liquiline CM44P

Menu/Setup/Additional functions/Controller 1

1. In the specified menu, define PROFIBUS as the data source.

2. Select the desired analog output (AO) or digital output (DO) as the measured value.

Further information on "PROFIBUS" can be found in the Guideline for Communication
via PROFIBUS, SD01188C

Further information on "PROFINET" can be found in the Guideline for Communication
via PROFINET, SD02490C

10.4.5 Modbus RS485 and Modbus TCP

Specify which process values should be output via Modbus RS485 Communication or via
Modbus TCP.

In the case of Modbus RS485, you can switch between the RTU and the ASCII protocol.

You can define a maximum of 16 device variables.

1. Define the data source.
 You can choose from sensor inputs and controllers.

2. Select the measured value to be output.

3. Define how the device should behave in the hold state. (Configuration options of
Source of data, Measured value and Hold behavior) →  87

Please note that if you select Hold behavior = Freeze , the system not only flags the status
but also actually "freezes" the measured value.

Further information on "Modbus" can be found in the Guideline for Communication via
Modbus, SD01189C

10.4.6 Ethernet/IP

Specify which process values should be output via EtherNet/IP communication.

You can define a maximum of 16 analog device variables (AI).

1. Define the data source.
 You can choose from sensor inputs and controllers.

2. Select the measured value to be output.

3. Define how the device should behave in the hold state. (Configuration options of
Source of data, Measured value and Hold behavior) →  87

4. In the case of controllers, also specify the type of manipulated variable.

Please note that if you select Hold behavior = Freeze , the system not only flags the status
but also actually "freezes" the measured value.

In addition you can define digital device variables (DI):

Define the data source.

‣

 You can choose from relays, binary inputs and limit switches.

For further information on "EtherNet/IP", see the Guideline for Communication via
EtherNet/IP, SD01293C

94 Endress+Hauser

Liquiline CM44P Operation

CCA250

CM44x / CM44xR

Flow, e.g. Promag53

A

BU

BK

BN

CCA250

INS

47

48

91

92

CM44xX

DIO

1

2

3

Dig.in

CM44xX: DIO

Dig.in: PFM

91

92

+

–

45

46

CM44xX

DIO

Dig.out: PFM

10.5 Binary inputs and outputs

Hardware options, such as the "DIO" module with 2 digital inputs and 2 digital outputs or
fieldbus module "485" enable the following:

• Via a digital input signal

• measuring range switching for conductivity (upgrade code required, →  182)

• switching between different calibration datasets in the case of optical sensors

• external hold

• a cleaning interval to be triggered

• PID controller switch-on/switch-off, e.g. via the proximity switch of the CCA250

• the use of the input as an "analog input" for pulse-frequency modulation (PFM)

• the setting of the optical zero point or a manual offset for photometer sensors

• Via a digital output signal

• diagnostic states, point level switches, or similar states transmitted statically (similar
to a relay)

• the dynamic transmission (comparable to a non-wearing "analog output") of PFM
signals, e.g. to control dosing pumps

10.5.1 Application examples

Chlorine regulation with feedforward control

Endress+Hauser 95

 84 Example of chlorine control with feedforward control

1 Connection of the inductive proximity switch INS of CCA250 to the digital input of the DIO module
2 Connection of the signal from a flowmeter to the digital input of the DIO module
3 Activation of a (pulse) dosing pump via the digital output of the DIO module
A Dosing pump

A0028316

Operation Liquiline CM44P

CM44x / CM44xR

47

48

91

92

1 2

3

Dig.in

CM44x / CM44xR

CM44x / CM44xR

Utilize the advantage of the effectively wear-free control with binary outputs versus a
control system with relay. With pulse frequency modulation (PFM), it is possible to achieve
virtually continuous dosing using a dosing pump with higher input frequency.

1. Connect the INS proximity switch of the CCA250 assembly to a digital input of the
DIO module (e.g. slot 6, port 1).

2. In the software, configure a controller and as the source select the binary input
(e.g.Binary input 1) to which the proximity switch is connected. (Menu/Additional
functions/Controllers/Controller 1/Controller Enable = Binary input 1)

3. Signal type: For the selected input, select the factory setting (Static signal).

4. Connect the measured value of a flowmeter to the second input of the DIO module
(e.g. slot 6, port 2).

5. Signal type: for this input, select PFM . (Menu/Inputs/Binary input 6:2/Signal
type = PFM)

6. Input variable: select the corresponding measured value (Flow rate).
 You can now use the input you have just configured as the disturbance variable

for your controller

2)

.

7. Disturbance variable: in the controller menu, select the binary input to which you
have connected the flow measured value. (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.
Connect the pump to an output of the DIO module (e.g. slot 6, port 1) and select the

following settings in the menu: Menu/Outputs/Binary output 6:1/Signal type =
PFM and Source of data = Controller 1.

Take the direction of action of your dosing into account. Select the correct parameter
(Actuator type = Unipolar+ or Unipolar-).

You must make additional settings in the controller menu to fully customize the control to
suit your process conditions.

CM44x as the cleaning master

 85 Example of a central cleaning control

1 External cleaning trigger at the binary input

2) An activation code, Order No. 71211288, is necessary for the "feedforward control" function.

2 Transferring the external hold over binary output to other measuring devices without connected cleaning

functions

3 Transferring the cleaning trigger over a binary output to other self-cleaning measuring points

1. An external trigger actuates a cleaning operation at the master.
A cleaning unit is connected via a relay or a binary output, for example.

A0028320

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Liquiline CM44P Operation

2. The cleaning trigger is transferred to another device via a binary output. This does
not have its own connected cleaning unit, but its sensors are installed in the medium
affected by cleaning the master and are set to hold by the trigger.

3. The trigger is transferred via an additional binary output to another device, whose
connected sensors have their own cleaning units. The signal can be used to
simultaneously activate a self-cleaning with the master.

10.5.2 Binary input configuration

Menu/Setup/Inputs/Binary input x:y

Function Options Info

Binary input Selection

Signal type Selection

Signal type = Static signal

Signal level Selection

Signal type = PFM

Max. frequency 100.00 to 1000.00 Hz

Meas. value format Selection

1)

• Off

• On

Factory setting

On

• Static signal

• PFM

Factory setting

Static signal

• Low

• High

Factory setting

High

Factory setting

1000.00 Hz

• #

• #.#

• #.##

• #.###

Factory setting

#.##

Switches the input on/off

‣

Static signal
Use this setting to read out the position of, for
example, an on/off switch, an inductive
proximity switch or a PLC binary output.
Signal application: for measuring range
switching, acceptance of an external hold, as a
cleaning trigger or for controller activation

PFM
The PFM setting produces a pulse-frequency­modulated signal that is subsequently available
on the device as a quasi-continuous process
value.
Example: Measuring signal of a flowmeter

Specifies which input signal levels should
activate, for example, measuring range
switching or a cleaning.

Low
Input signals between 0 and 5 V DC

High
Input signals between 11 and 30 V DC

Maximum frequency of the PFM input signal
Is to equal the maximum possible upper limit of
the measuring range.
If the value selected is too small, higher
frequencies will not be detected. If the value is
too large, on the other hand, the resolution for
small frequencies will be relatively inexact.

‣

Select the signal type.

Specify the number of decimal places.

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Operation Liquiline CM44P

Menu/Setup/Inputs/Binary input x:y

Function Options Info

Input variable Selection

Parameter name

Input variable = Parameter

Unit of measure

Input variable = Parameter

Flow rate unit

Input variable = Flow rate

Lower range value

Input variable = Parameter or
Flow rate

Upper range value

Input variable = Parameter or
Flow rate

Damping 0 to 60 s

1)

• Frequency

• Parameter

• Flow rate

Factory setting

Frequency

Customized text, 16
characters

Customized text, 16
characters

Selection

• l/s

• l/h

• m³/s

• m³/h

• cfs

• cfd

• mgd

Factory setting

l/s

-2000.00 to 0.00

Factory setting

0.00

0.00 to 10000.00

Factory setting

0.00

Factory setting

0 s

Frequency
Display in Hz in the measuring menu

Parameter
You subsequently determine the parameter
name and unit. These are then displayed in the
measuring menu.

Flow rate
For connecting a flowmeter

‣

‣

‣

cfs = cubic feet per second
cfd = cubic feet per day
mgd = mega gallon per day

The start of measuring range corresponds to a
frequency of 0 Hz.
Your previously defined unit is additionally
displayed.

The end of measuring range corresponds to the
maximum frequency defined above.
Your previously defined unit is additionally
displayed.

The damping causes a floating average curve of
the measured values over the time specified.

Define a name for the parameter, e.g.
"Pressure".

Specify the unit for your parameter, e.g.
"hPa".

Define the unit for the flow.

1) x:y = slot no. : input number

10.5.3 Configuration of binary outputs

Menu/Setup/Outputs/Binary output x:y

Function Options Info

Binary output Selection

Signal type Selection

1)

• Off

• On

Factory setting

On

• Static signal

• PFM

Factory setting

Static signal

Switches the output on/off

‣

Static signal
Comparable to a relay: output of a diagnostic
status or a limit switch

PFM
You can output a measured value, e. g. the
chlorine value or the manipulated variable of a
controller.
It functions as a "wear-free" switching contact
that can be used to activate a dosing pump, for
example.

Select the signal type.

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Liquiline CM44P Operation

Menu/Setup/Outputs/Binary output x:y

Function Options Info

Signal type = Static signal

Function Selection

Assignments

Function = Cleaning

Data sources

Function = Limit switches

Operating mode

Function = Diagnostics
message

Signal type = PFM

Max. frequency 1.00 to 1000.00 Hz

Meas. value format Selection

1)

• None

• Limit switches

• Diagnostics message

• Cleaning

Factory setting

None

Multiple selection

• Cleaning 1 - Water ...

• Cleaning 4 - Cleaner

Multiple selection

Limit switch 1 ... 8

Selection

• as assigned

• Namur M

• Namur S

• Namur C

• Namur F

Factory setting

as assigned

Factory setting

1000.00 Hz

• #

• #.#

• #.##

• #.###

Factory setting

#.##

Source for the outputted switching state
The following functions depend on the option
selected.
Function = None Switches off the function.
There are no other settings.

Here you can decide which binary outputs should
be used for activating the valves and pumps.
Here you concretely assign a control signal to the
binary output for the cleaner/water dosing of a
cleaning program.
You can define cleaning programs under: Menu/
Setup/Additional functions/Cleaning.

‣

Configuration of the limit switches: Menu/

Setup/Additional functions/Limit switches.

as assigned

With this selection, the diagnosis messages are
transmitted over the binary output that you
individually allocated to it.

Namur M ... F

When you choose one of the Namur classes, all
messages allocated to that respective class are
output.
You can change the Namur class assignment for
every diagnostic message →  138.

Maximum frequency of the PFM output signal
Is to equal the maximum possible upper limit of
the measuring range.

‣

Select the limit switches that should be
output via the binary output.

Specify the number of decimal places.

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Operation Liquiline CM44P

Menu/Setup/Outputs/Binary output x:y

Function Options Info

Source of data Selection

Measuring value

Source of data ≠ Controller

Actuator type

Source of data = Controller

Hold behavior Selection

Hold value

Hold behavior = Fixed value

Error behavior Selection

Error value

Error behavior = Fixed value

1)

• None

• Sensor inputs

• Binary inputs

• Controller

• Fieldbus signals

• Mathematical functions

Factory setting

None

Selection

Depends on:
Source of data

Selection

• None

• Bipolar

• Unipolar+

• Unipolar-

Factory setting

None

• Freeze

• Fixed value

• None

Factory setting

None

0 to 100 %

Factory setting

0 %

• Freeze

• Fixed value

Factory setting

Fixed value

0 to 100 %

Factory setting

0 %

Source, whose value should be read out as a
frequency over the binary output.

‣

‣

Bipolar

"Split range"

Unipolar+

Part of the manipulated variable that the
controller uses to increase the process value

Unipolar-

For connected actuators that decrease the
controlled variable

Freeze

The device freezes the last value.

Fixed value

You define a fixed current value that is
transmitted at the output.

None

A hold does not affect this output.

Freeze

The device freezes the last value.

Fixed value

You define a fixed current value that is
transmitted at the output.

Choose the measured value which should be
output as the frequency via the binary
output.

Determines which controller component the
connected actuator, e. g. the dosing pump,
should trigger.

1) x:y = slot no. : input number

10.6 Additional functions

10.6.1 Limit switches

There are different ways to configure a limit switch:

• Assigning a switch-on and switch-off point

• Assigning a switch-on and switch-off delay for a relay

• Setting an alarm threshold and also outputting an error message

• Starting a cleaning function

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