Endress+Hauser Liquiline CM42 Specifiche tecniche
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Brief Operating Instructions
Liquiline CM42
Two-wire transmitter for pH/ORP, conductivity or
oxygen
Measurement with digital or analog sensors
These instructions are Brief Operating Instructions; they are
not a substitute for the Operating Instructions pertaining to
the device.
Detailed information on the device can be found in the
Operating Instructions and in the other documentation
available at:
• www.endress.com/device-viewer
• Smart phone/tablet: Endress+Hauser Operations App
KA01481C/07/EN/01.21
71524766
2021-01-31
Liquiline CM42
2 Endress+Hauser
Order code:
Ext. ord. cd.:
Ser. no.:
www.endress.com/deviceviewer Endress+Hauser
Operations App
XXXXXXXXXXXX
XXXXX-XXXXXX
XXX.XXXX.XX
Serial number
1.
3.
2.
A0040778
Liquiline CM42 Table of contents
Endress+Hauser 3
Table of contents
1 About this document .............................................................. 3
1.1 Symbols used ......................................................................... 3
1.2 Symbols on the device ................................................................... 4
2 Basic safety instructions .......................................................... 4
2.1 Requirements for personnel .............................................................. 4
2.2 Designated use ........................................................................ 4
2.3 Workplace safety ...................................................................... 5
2.4 Operational safety ......................................................................5
2.5 Product safety ......................................................................... 5
3 Incoming acceptance and product identification ................................... 6
3.1 Incoming acceptance .................................................................... 6
3.2 Product identification ................................................................... 6
3.3 Scope of delivery ....................................................................... 7
4 Installation ....................................................................... 7
4.1 Installation conditions ................................................................... 7
4.2 Mounting the measuring device ............................................................9
4.3 Post-installation check ................................................................. 12
5 Electrical connection ............................................................ 13
5.1 Connection conditions .................................................................. 13
5.2 Connecting the measuring device ......................................................... 20
5.3 Power supply and signal circuit ........................................................... 20
5.4 Sensor connection ..................................................................... 24
5.5 Ensuring the degree of protection ......................................................... 37
5.6 Post-connection check ..................................................................38
6 Operation options ............................................................... 39
6.1 Display and operating elements ........................................................... 39
6.2 Access to the operating menu via the local display ............................................. 40
6.3 Access to the operating menu via the operating tool ............................................ 41
7 Commissioning .................................................................. 42
7.1 Function check ....................................................................... 42
7.2 Basic setup .......................................................................... 42
1 About this document
1.1 Symbols used
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
Basic safety instructions Liquiline CM42
4 Endress+Hauser
1.2 Symbols on the device
Symbol Meaning
Reference to device documentation
Do not dispose of products bearing this marking as unsorted municipal waste.
Instead, return them to the manufacturer for disposal under the applicable
conditions.
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 Areas of application
Liquiline M CM42 is a two-wire transmitter for liquid analysis in all areas of process
technology.
The main areas of application are:
• Chemical processes
• Pharmaceutical industry
• Food technology
• Applications in hazardous areas
The use of the transmitter depends greatly on the sensor that is used. It is essential to
adhere to the information concerning designated use in the Operating Instructions for
the sensor.
The transmitter is suitable for pollution degree 3 according to IEC/EN 61010-1.
Liquiline CM42 Basic safety instructions
Endress+Hauser 5
2.2.2 Non-designated use
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.
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.
2.5 Product safety
2.5.1 State-of-the-art technology
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.
Incoming acceptance and product identification Liquiline CM42
6 Endress+Hauser
3 Incoming acceptance and product identification
3.1 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.
3.2 Product identification
3.2.1 Nameplate
Nameplates can be found:
on the packaging (adhesive label, portrait format)
The nameplate provides you with the following information on your device:
• Manufacturer identification
• Order code
• Extended order code
• Serial number
• Firmware version
• Safety information and warnings
• Ex marking on hazardous area versions
• Certificate information
‣Compare the information on the nameplate with the order.
3.2.2 Manufacturer address
Endress+Hauser Conducta GmbH+Co. KG
Dieselstraße 24
D-70839 Gerlingen
Liquiline CM42 Installation
Endress+Hauser 7
3.3 Scope of delivery
The scope of delivery comprises:
• 1 transmitter in the version ordered
• 1 mounting plate incl. 4 flat head screws
• 1 set of adhesive labels (nameplate, terminal connection signs)
• 1 test certificate according to EN 10204-3.1 (optional)
• Operating Instructions Part 1 and 2, BA00381C and BA00382C, in the language ordered
• 1 manufacturer's certificate
‣If you have any queries:
Please contact your supplier or local sales center.
4 Installation
4.1 Installation conditions
4.1.1 Mounting plate
220 (8.66)
85 (3.35)
70 (2.76)
141 (5.55)
196 (7.72)
70 (2.76)
85 (3.35)
95 (3.74)
122°
2 x R8 2 x R3
R3
2 x R8
2 (0.08)
86 (3.39)
112 (4.41)
161 (6.34)
4 x Ø 6 (0.24)
2 x 11 (0.43)
4 x Ø 7 (0.28)
80 (3.15)
2 x R70
A0032497
1 Dimensions in mm (inch)
4.1.2 Weather protection cover
NOTICE
Effect of climatic conditions: rain, snow, direct sunlight
Device damage to total device failure is possible!
‣When installing outside, always use the weather protection cover.
Installation Liquiline CM42
8 Endress+Hauser
For transmitter with plastic housing
100°
90°
224 (8.82)
151 (5.94)
98 (3.86)
98 (3.86)
253 (9.96)
107 (4.21)
230 (9.01)
A0032495
2 Dimensions in mm (inch)
For transmitter with stainless steel housing
320 12.6( )
300 (11.8)
270 10.6( )
AB
1
4 x Ø 6.1 (0.24)
A0032496
3 Dimensions in mm (inch)
Liquiline CM42 Installation
Endress+Hauser 9
4.2 Mounting the measuring device
4.2.1 Wall or field mounting
You have the following installation options:
• Wall mounting
• Mounting on a vertical pipe or post (round or square)
• Mounting on a railing or horizontal pipe (round or square)
Diameter of a pipe, post or railing suitable for mounting: 30 to 61 mm (1.18 to 2.40 ").
Wall mounting
A0010381
4 Wall mounting of stainless steel version
A0043874
5 Wall mounting of plastic version
Installation Liquiline CM42
10 Endress+Hauser
Mounting on a vertical pipe or post
1 2 3
4
5
A0010372
6 Mounting example
1 Transmitter (illustrated in image: plastic version)
2 Mounting plate (included in the delivery)
3 Pipe or railing (circular/square)
4 Mounting plate (post retainer, accessory)
5 Threaded bolts with spring washer, washer and nut (included in the delivery of the post retainer)
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