Endress+Hauser CM14 Manuale utente

CM14

Transmitter, pH and ORP

BA01032C/09/EN/01.11

71140560

CM14 Table of contents

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 designation ............ 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 Installation check and switching on the

device .................. 17

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

6.3 Configuration of the device (Setup

menu) .................. 17

6.4 Extended configuration (Extended

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

6.5 Device diagnostics (Diagnostics

menu) .................. 20

7 Calibration and

adjustment ............. 22

7.1 Definitions ................ 22

7.2 pH sensors ................ 22

7.3 ORP sensors ............... 24

7.4 Device functions for calibration ..... 25

8 Maintenance ........... 25

9 Accessories ............ 26

9.1 Sensors .................. 26

10 Troubleshooting ......... 27

10.1 Troubleshooting instructions ...... 27

10.2 Diagnostic messages ........... 27

10.3 Spare parts ................ 32

10.4 Return .................. 32

10.5 Disposal ................. 33

11 Technical data .......... 33

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

Safety instructions CM14

1 Safety instructions

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

read and the safety instructions they contain 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.

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.

Hazardous area

To eliminate a danger for persons or for the facility when the device is used in the hazardous

area (e.g. explosion protection, pressure vessel safety):

►Based on the nameplate, check whether the ordered device is permitted for the intended use

in the hazardous area.

CM14 Safety instructions

►Observe the specifications in the separate supplementary documentation that is an integral

part of these Instructions.

1.4 Designated use

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

multicolored display. Using the unit's outputs and limit relays, processes can be monitored and

controlled. The device is equipped with a wide range of software functions for this purpose.

• The manufacturer accepts no liability for damages resulting from incorrect use or use other

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

• The process display unit has been designed for panel installation and may 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 prior notice. Contact your sales center for current information and updates

to these 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.

Enclose a note describing the fault and the application when sending the unit in for repair.

1.7 Notes on safety conventions and icons

1.7.1 Warning instructions

!DANGER

Cause (/effects)

Where applicable, consequences of failure to comply

►Avoidance measure

►Indicates an imminently hazardous situation which, if not avoided, will result in death or

serious injury.

!WARNING

Cause (/effects)

Where applicable, consequences of failure to comply

►Avoidance measure

►Indicates a potentially hazardous situation which, if not avoided, could result in death or

serious injury.

Safety instructions CM14

!CAUTION

Cause (/effects)

Where applicable, consequences of failure to comply

►Avoidance measure

►Indicates a potentially hazardous situation which, if not avoided, may result in minor to

moderate injury.

NOTICE

Cause (/effects)

Where applicable, consequences of failure to comply

►Avoidance measure

►This note alerts you to situations that can cause property damage.

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, tip

Reference to documentation

Reference to page of these instructions

Reference to a graphic

CM14 Identification

2 Identification

2.1 Device designation

2.1.1 Nameplate

Compare the nameplate with the following illustration:

A0015221

å 1 Nameplate of the transmitter (example)

1Device designation

2 Order code, serial number and ID number of the device

3 Power supply

4 Power consumption

5 Output variables

6 Temperature range

2.2 Scope of delivery

The scope of delivery of the transmitter comprises:

• Transmitter for panel mounting

• Operating Instructions

• Fastening material

Identification CM14

2.3 Certificates and approvals

CE mark, Declaration of Conformity

The process display unit 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 device meets the relevant

standards and directives as per EN 61 010-1 "Safety requirements for electrical equipment for

measurement, control and laboratory use."

Thus, the device described in these Operating Instructions meets the legal requirements of the

EU directives. The manufacturer confirms successful testing of the device by affixing to it the CE

mark.

For an overview of all available certificates and approvals, refer to the "Technical data" chapter.

CM14 Installation

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" (® ä 33).

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" (® ä 33).

• 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

3.4 Installation procedure

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

A0015216

å 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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