Endress+Hauser CM14 User manual

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Operating Instructions

CM14

Transmitter, pH and ORP

BA01032C/09/EN/03.19

71462789

2019-11-30

Valid from version:

02.01 (device version)

CM14 Table of contents

Endress+Hauser 3

Table of contents

1 Safety instructions .............. 4

1.1 Workplace safety .................... 4

1.2 Requirements concerning the staff ...... 4

1.3 Operational safety ................... 4

1.4 Designated use ...................... 5

1.5 Technical improvement ............... 5

1.6 Return ............................. 5

1.7 Notes on safety conventions and

icons ............................... 5

2 Identification .................... 7

2.1 Device name ........................ 7

2.2 Scope of delivery ..................... 7

2.3 Certificates and approvals ............. 8

3 Installation ...................... 9

3.1 Incoming acceptance, transport,

storage ............................. 9

3.2 Installation ......................... 9

3.3 Dimensions ......................... 9

3.4 Installation procedure ............... 10

3.5 Post-installation check ............... 10

4 Wiring .......................... 11

4.1 Connecting the transmitter ........... 12

4.2 Post-connection check ............... 13

5 Operation ...................... 14

5.1 Display and device status indicator /

LED ............................... 14

5.2 Local operation at the device .......... 14

5.3 Icons .............................. 15

5.4 Operating functions ................. 16

5.5 Hold function ...................... 16

6 Commissioning ................ 17

6.1 Post-installation check and switching

on the device ....................... 17

6.2 Display settings (Display menu) ....... 17

6.3 Notes on setup access protection ...... 17

6.4 Configuration of the device (Setup

menu) ............................ 18

6.5 Extended configuration (Extended

setup menu) ....................... 19

6.6 Device diagnostics (Diagnostics

menu) ............................ 22

7 Calibration and adjustment .. 23

7.1 Definitions ......................... 23

7.2 pH sensors ......................... 23

7.3 ORP sensors ........................ 25

7.4 Device functions for calibration ....... 26

8 Maintenance .................. 26

9 Accessories .................... 27

9.1 Sensors ........................... 27

10 Troubleshooting ............... 28

10.1 Troubleshooting instructions ......... 28

10.2 Diagnostic messages ................ 28

10.3 Firmware history ................... 32

10.4 Spare parts ........................ 33

10.5 Return ............................ 34

10.6 Disposal ........................... 34

11 Technical data ................. 34

11.1 Input .............................. 34

11.2 Output ............................ 34

11.3 Current outputs, active ............... 35

11.4 Relay outputs ...................... 35

11.5 Wiring ............................ 36

11.6 Performance characteristics .......... 37

11.7 Mounting conditions ................ 37

11.8 Environment ....................... 38

11.9 Mechanical construction ............. 39

11.10 Display and operating elements ....... 40

11.11 Certificates and approvals ............ 40

Index ................................. 41

Safety instructions CM14

4 Endress+Hauser

1 Safety instructions

Safe operation of the transmitter is only guaranteed if these Operating Instructions have been

read and the safety instructions have been observed.

1.1 Workplace safety

For work on and with the device:

‣Wear the required personal protective equipment according to federal/national

regulations.

If working on and with the device with wet hands:

‣Due to the increased risk of electric shock, gloves must be worn.

1.2 Requirements concerning the staff

The personnel for installation, commissioning, diagnostics and maintenance must fulfill the

following requirements:

‣Trained, qualified specialists: must have a relevant qualification for this specific function

and task

‣Are authorized by the plant owner/operator

‣Are familiar with federal/national regulations

‣Before beginning work, the specialist staff must have read and understood the instructions

in the Operating Instructions and supplementary documentation as well as in the

certificates (depending on the application)

‣Following instructions and basic conditions

The operating personnel must fulfill the following requirements:

‣Being instructed and authorized according to the requirements of the task by the facility's

owner-operator

‣Following the instructions in these Operating Instructions

1.3 Operational safety

Risk of injury.

‣Operate the device in proper technical condition and fail-safe condition only.

‣The operator is responsible for interference-free operation of the device.

Conversions to the device

Unauthorized modifications to the device are not permitted and can lead to unforeseeable

dangers.

‣If, despite this, modifications are required, consult with Endress+Hauser.

Repair

To ensure continued operational safety and reliability,

‣Carry out repairs on the device only if they are expressly permitted.

‣Observe federal/national regulations pertaining to repair of an electrical device.

‣Use original spare parts and accessories from Endress+Hauser only.

CM14 Safety instructions

Endress+Hauser 5

1.4 Designated use

The transmitter evaluates measured values of an analytical sensor and visualizes them on its

multicolored display. Processes can be monitored and controlled with the unit's outputs and

limit relays. The device is equipped with a wide array of software functions for this purpose.

• The manufacturer does not accept liability for damage caused by improper or non-

designated use. The device may not be converted or modified in any way.

• The device is designed for installation in a panel and must only be operated in an installed

state.

1.5 Technical improvement

The manufacturer reserves the right to adapt technical details to the most up-to-date

technical developments without any special announcement. Please contact your sales center

for information on modifications or updates to the Operating Instructions.

1.6 Return

For a return, e.g. in case of repair, the device must be sent in protective packaging. The

original packaging offers the best protection. Repairs must only be carried out by your

supplier's service organization.

When returning the device for repair, enclose a note with a description of the problem

and the application.

1.7 Notes on safety conventions and icons

1.7.1 Warnings

LDANGER

Causes (/consequences)

Consequences of non-compliance (if applicable)

‣Corrective action

‣This symbol alerts you to a dangerous situation. Failure to avoid the situation will result in

a fatal or serious injury.

LWARNING

Causes (/consequences)

Consequences of non-compliance (if applicable)

‣Corrective action

‣This symbol alerts you to a dangerous situation. Failure to avoid the situation can result in

a fatal or serious injury.

LCAUTION

Causes (/consequences)

Consequences of non-compliance (if applicable)

‣Corrective action

‣This symbol alerts you to a dangerous situation. Failure to avoid this situation can result in

minor or more serious injuries.

Safety instructions CM14

6 Endress+Hauser

NOTICE

Causes (/consequences)

Consequences of non-compliance (if applicable)

‣Corrective action

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

1.7.2 Document symbols

Allowed

Indicates procedures, processes or actions that are allowed.

Preferred

Indicates procedures, processes or actions that are preferred.

Forbidden

Indicates procedures, processes or actions that are forbidden.

Additional information, tips

Reference to documentation

Reference to a page in this manual

Reference to a graphic

CM14 Identification

Endress+Hauser 7

2 Identification

2.1 Device name

2.1.1 Nameplate

Compare the nameplate with the following diagram:

-10°C (14°F) < Ta < 60°C (140°F)

â 1

Liquiline

A0015221

 1 Nameplate of the transmitter (example)

1 Device name

2 Device order code, serial number and ID number

3 Power supply

4 Power consumption

5 Output values

6 Temperature range

2.2 Scope of delivery

The scope of delivery of the transmitter comprises:

• Transmitter for panel mounting

• Operating Instructions

• Fastening fixtures

Identification CM14

8 Endress+Hauser

2.3 Certificates and approvals

2.3.1 CE mark

The product meets the requirements of the harmonized European standards. As such, it

complies with the legal specifications of the EC directives. The manufacturer confirms

successful testing of the product by affixing to it the CE-mark.

2.3.2 EAC mark

The product meets the legal requirements of the EEU guidelines. The manufacturer confirms

the successful testing of the product by affixing the EAC mark.

CM14 Installation

Endress+Hauser 9

3 Installation

3.1 Incoming acceptance, transport, storage

The permitted ambient and storage conditions must be observed. The precise specifications

can be found in Section "Technical data" →  34.

3.1.1 Incoming acceptance

On receipt of the goods, check the following points:

• Are the packaging or contents damaged?

• Is anything missing from the delivery? Compare the scope of delivery with the information

you specified in the order.

3.1.2 Transportation and storage

Note the following points:

• Pack the device so that is protected against impact for storage and transportation. The

original packaging provides optimum protection.

• The permitted storage temperature range is –40 to +85 °C (–40 to +185 °F); it is possible to

store the device in the borderline temperature ranges for a limited period (maximum 48

hours).

3.2 Installation

NOTICE

Overheating due to heat accumulation in the device

‣To avoid heat accumulation, please always make sure the device is sufficiently cooled.

If the device is operated in the upper temperature limit range, this reduces the operating

life of the display.

The transmitter is designed to be used in a panel.

The orientation is determined by the readability of the display. Connections and outputs are

fitted on the rear of the device. The wires are connected by means of number-coded terminals.

Ambient temperature range:–10 to +60 °C (14 to 140 °F)

3.3 Dimensions

Observe the installation depth of 150 mm (5.91 ") for the device incl. terminals and fastening

clips.

More dimensions can be found in Section "Technical data" →  34.

• Panel cutout: 92 mm x 45 mm (3.62 in x 1.77 in).

• Panel thickness: max. 26 mm (1 in).

• Max. viewing angle range: 45° to the left and right from the central display axis.

• If the devices are arranged horizontally beside one another in the X-direction, or arranged

vertically on top of one another in the Y-direction, the mechanical distance (specified by the

housing and front section) must be observed.

Installation CM14

10 Endress+Hauser

3.4 Installation procedure

The required panel cutout is 92 mm x 45 mm (3.62 in x 1.77 in).

A0015216

 2 Installation in the panel

1. Screw the threaded rods (item 2) into the positions provided on the mounting frame

(item 1). Four opposing screw positions (item 3/4) are available for this purpose.

2. Push the device with the sealing ring through the panel cutout from the front.

3. To secure the tube in the panel, hold the device in a horizontal position and push the

installation frame (item 1), with the threaded rods screwed in, over the tube until the

frame locks into position.

4. Tighten the threaded rods to fasten the device in place.

To disassemble the device, the mounting frame can be unlocked at the locking elements (item

5) and then removed.

3.5 Post-installation check

• Is the sealing ring undamaged?

• Is the mounting frame securely engaged on the housing of the device?

• Are the threaded rods tightened?

• Is the device positioned in the center of the panel cutout?

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