Endress+Hauser Cerabar S PMC71 Technical specifications

KA01019P/00/EN/14.13

71204568

Brief Operating Instructions

Cerabar S

PMC71, PMP71, PMP75

Process pressure measurement

These are Brief Operating Instructions.

For more detailed information, please refer to the Operating Instructions and the

additional documentation on the CD-ROM provided.

These Brief Operating Instructions are not intended to replace the Operating

Instructions provided in the scope of supply.

The complete device documentation consists of:

• these Brief Operating Instructions

• a CD-ROM with the Operating Instructions

Table of contents Cerabar S 4...20 mA HART

2Endress+Hauser

Table of contents

1 Safety instructions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3

1.1 Designated use . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3

1.2 Installation, commissioning and operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3

1.3 Operational safety and process safety . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3

1.4 Return . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4

1.5 Safety icons . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4

2 Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4

2.1 General installation instructions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4

2.2 Installation instructions for devices without diaphragm seals PMP71, PMC71 . . . . . . . . . . . . . . . . . . . . . . 5

2.3 Installation instructions for devices with diaphragm seals PMP75 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6

2.4 Assembling and mounting the "separate housing" version . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8

3 Wiring . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9

3.1 Connecting the device . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9

3.2 Connecting the measuring unit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10

4 Operation. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12

4.1 On-site display (optional) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12

4.2 Operating elements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14

4.3 On-site operation via on-site display . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17

4.4 Locking/unlocking operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21

5 Commissioning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22

5.1 Position adjustment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23

5.2 Pressure measurement . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24

5.3 Level measurement . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27

Cerabar S 4...20 mA HART Safety instructions

Endress+Hauser 3

1 Safety instructions

1.1 Designated use

The Cerabar S is a pressure transmitter for measuring pressure and level.

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

that designated.

1.2 Installation, commissioning and operation

• The device must only be installed, connected, commissioned and maintained by qualified and

authorized specialists (e.g. electrical technicians) in full compliance with the instructions in

this manual, the applicable norms, legal regulations and certificates (depending on the

application).

• The specialist must have read and understood this manual and must follow the instructions it

contains. If you are unclear on anything in these Brief Operating Instructions, you must read

the Operating Instructions (on the CD-ROM). The Operating Instructions provide detailed

information on the device/measuring system.

• The device may only be modified or repaired if such work is expressly permitted in the

Operating Instructions (→ see CD-ROM).

• If faults cannot be rectified, the device must be taken out of service and secured against

unintentional commissioning.

• Do not operate damaged devices. Mark them as defective.

1.3 Operational safety and process safety

• Alternative monitoring measures must be taken to ensure operational safety and process safety

during configuration, testing and maintenance work on the device.

• The device is safely built and tested according to state-of-the-art technology and has left the

factory in perfect condition as regards technical safety. The applicable regulations and

European standards have been taken into account.

• Pay particular attention to the technical data on the nameplate.

• Devices for use in hazardous areas are fitted with an additional nameplate. If the device is to

be installed in an explosion hazardous area, then the specifications in the certificate as well as

all national and local regulations must be observed. The device is accompanied by separate

"Ex documentation", which is an integral part of this Operating Instructions. The installation

regulations, connection values and Safety Instructions listed in this Ex document must be

observed. The documentation number of the related Safety Instructions is also indicated on

the additional nameplate.

• If using devices for applications with safety integrity level, the separate manual on functional

safety must be observed thoroughly (→ see CD-ROM).

Installation Cerabar S 4...20 mA HART

4Endress+Hauser

1.4 Return

Follow the instructions on returning the device as outlined in the Operating Instructions on the

CD-ROM provided.

1.5 Safety icons

2 Installation

2.1 General installation instructions

#Warning!

The process seal is not allowed to press on the process isolating diaphragm as this could affect

the measurement result.

!Note!

• If a heated Cerabar S is cooled during the cleaning (e.g. by cold water), a vacuum develops

for a short time, whereby water can penetrate the sensor through the pressure compensation

(1). If this is the case, mount the sensor with the pressure compensation (1) pointing

downwards.

• Keep the pressure compensation and GORE-TEX®filter (1) free from contaminations.

Symbol Meaning

#Warning!

A warning highlights actions or procedures which, if not performed correctly, will lead to personal injury,

a safety hazard or destruction of the instrument.

"Caution!

Caution highlights actions or procedures which, if not performed correctly, may lead to personal injury or

incorrect functioning of the instrument.

!Note!

A note highlights actions or procedures which, if not performed correctly, may indirectly affect operation

or may lead to an instrument response which is not planned.

FIELD TERMINALS

Cerabar S 4...20 mA HART Installation

Endress+Hauser 5

• Do not clean or touch process isolating diaphragm of the diaphragm seals with hard or pointed

objects.

• Due to the orientation of the Cerabar S, there may be a shift in the measured value, i.e. when

the container is empty, the measured value does not display zero. You may correct this zero

point shift either directly on the device using the "E"-key or by remote operation. → See

Page 14, Section "Position of operating elements", Page 15, Section 4.2.2 "Function of the

operating elements" and Page 23, Section 5.1 "Position adjustment".

• For PMP75, please refer to Section 2.3 "Installation instructions for devices with diaphragm

seals", Page 6.

• The PMC71 High temperature version and the PMP75 must only be insulated up to a certain

height.

• To ensure optimal readability of the on-site display, it is possible to rotate the housing up to

380°.

• The onsite display can be rotated in 90° stages.

• Endress+Hauser offers a mounting bracket for installing on pipes or walls.

2.2 Installation instructions for devices without diaphragm seals

PMP71, PMC71

Cerabar S without diaphragm seal are mounted as per the norms for a manometer

(DIN EN 837-2). We recommend the use of shut-off devices and siphons. The orientation

depends on the measuring application.

2.2.1 Pressure measurement

Pressure measurement in gases

• Mount Cerabar S with shut-off device above the tapping point so that any condensate can flow

into the process.

Pressure measurement in steams

• Mount Cerabar S with siphon above the tapping point. The siphon reduces the temperature

to almost ambient temperature.

• Fill the siphon with fluid before commissioning.

Pressure measurement in liquids

• Mount Cerabar S with shut-off device below or at the same level as the tapping point.

Installation Cerabar S 4...20 mA HART

6Endress+Hauser

2.2.2 Level measurement

• Mount Cerabar S below the lowest measuring point.

• Do not mount the device at the following positions:

In the fill flow, in the tank outlet or at a point in the container which could be affected by

pressure pulses from an agitator.

• The calibration and functional test can be carried out more easily if you mount the device after

a shut-off device.

2.3 Installation instructions for devices with diaphragm seals

PMP75

!Note!

• The diaphragm seal, together with the pressure transmitter, forms a closed, calibrated system,

which is filled through openings in the diaphragm seal and in the measurement system of the

pressure transmitter. This openings are sealed and must not be opened.

• Do not remove the protection of the process isolating diaphragm until shortly before

installation.

• When using a mounting bracket, sufficient strain relief must be ensured for the capillaries in

order to prevent the capillary bending down (bending radius ≥ 100 mm).

• Please note that the hydrostatic pressure of the liquid column in the capillary can cause zero

point shift. The zero point shift can be corrected. → See Page 14, Section "Position of

operating elements", Page 15, Section 4.2.2 "Function of the operating elements" and

Page 23, Section 5.1 "Position adjustment".

• Please note the application limits of the diaphragm seal filling oil as detailed in the Technical

Information for TI00383P, Section "Planning instructions for diaphragm seal systems" or at

"www.endress.com/applicator".

In order to obtain more precise measurement results and to avoid a defect in the device, mount

the capillaries as follows:

• vibration-free (in order to avoid additional pressure fluctuations)

• not in the vicinity of heating or cooling lines

• insulate if the ambient temperature is below ore above the reference temperature

• with a bending radius of ≥100 mm.

Cerabar S 4...20 mA HART Installation

Endress+Hauser 7

2.3.1 Vacuum application

For applications under vacuum, Endress+Hauser recommends mounting the pressure

transmitter underneath the diaphragm seal. A vacuum load of the diaphragm seal caused by the

presence of filling oil in the capillary is hereby prevented.

When the pressure transmitter is mounted above the diaphragm seal, the maximum height

difference H1 in accordance with the illustration below on the left must not be exceeded. The

maximum height difference is dependent on the density of the filling oil and the smallest ever

pressure that is permitted to occur at the diaphragm seal (empty container), see illustration

below, on the right.

P01-PMx7xxxx-11-xx-xx-xx-008

Fig. 1: Installation above the diaphragm seal

P01-PMP75xxx-05-xx-xx-xx-010

Fig. 2: Diagram of maximum installation height above the

diaphragm seal for vacuum applications dependent on the

pressure at the diaphragm seal

FIELD TERMINALSFIELD TERMINALS

0.0

2.0

4.0

6.0

8.0

10.0

12.0

50 100 300 400 500 600 700 800 900 1000

200

Inert oil

High temperature

oil

Vegetable oil

Silicone oil

Pressure, diaphragm seal positive side [mbarabs]

Height difference H1[m]

Low temperature oil

Installation Cerabar S 4...20 mA HART

8Endress+Hauser

2.4 Assembling and mounting the "separate housing" version

P01-PMx7xxxx-11-xx-xx-xx-011

Fig. 3: "Separate housing" version

1 In the "separate housing" version, the sensor is supplied with process connection and cable fitted.

2 Cable with connection jack

3 Pressure compensation

4Plug

5 Locking screw

6 Housing fitted with housing adapter, included

7 Mounting bracket suitable for wall and pipe mounting, included

Assembly and mounting

1. Connect plug (item 4) into the corresponding connection jack of the cable (item 2).

2. Plug the cable into the housing adapter (item 6).

3. Tighten the locking screw (item 5).

4. Mount the housing on a wall or pipe using the mounting bracket (item 7). When

mounting on a pipe, tighten the nuts on the bracket uniformly with a torque of at least

5 Nm.

Mount the cable with a bending radius (r) ≥120 mm.

r³120 (4.72)

mm (in)

Cerabar S 4...20 mA HART Wiring

Endress+Hauser 9

3 Wiring

#Warning!

• If the operating voltage is > 35 VDC: Dangerous contact voltage at terminals.

Risk of electric shock!

In a wet environment, do not open the cover if voltage is present.

• Risk of electric shock and/or explosion in hazardous areas! In a wet environment, do not open

the cover if voltage is present.

• When using the measuring device in hazardous areas, installation must comply with the

corresponding national standards and regulations and the Safety Instructions or Installation or

Control Drawings.

3.1 Connecting the device

!Note!

• Devices with integrated overvoltage protection must be earthed.

• Protective circuits against reverse polarity, HF influences and overvoltage peaks are installed.

• The supply voltage must match the supply voltage on the nameplate.

• Switch off the supply voltage before connecting the device.

• Remove housing cover of the terminal compartment.

• Guide cable through the gland. Preferably use twisted, screened two-wire cable.

• Connect device in accordance with the following diagram.

• Screw down housing cover.

• Switch on supply voltage.

Wiring Cerabar S 4...20 mA HART

10 Endress+Hauser

P01-xMx7xxxx-04-xx-xx-xx-001

Fig. 4: Electrical connection 4...20 mA HART → Observe also the following section.

For devices with Harting Han7D or M12 plug see Operating Instructions.

1Housing

2 Jumper for 4...20 mA test signal. → See also the following section.

3 Internal earth terminal

4 External earth terminal

5 4...20 mA test signal between plus and test terminal

6 Minimum supply voltage = 10.5 V DC, jumper is inserted in accordance with the illustration.

7 Minimum supply voltage = 11.5 V DC, jumper is inserted in "Test" position.

8 Devices with integrated overvoltage protection are labelled OVP (overvoltage protection) here.

3.2 Connecting the measuring unit

3.2.1 Supply voltage and taking 4...20 mA test signal

4…20 mA

➅

10.5VDC

➆

11.5VDC

4... 20mA

Test

➀

➁

➂

➃

➄

Test

➇

4... 20mATest

Jumper position for test signal Description

– Taking 4...20 mA test signal via plus and test terminal:

possible. (Thus, the output current can be measured without interruption

via the diode.)

– Delivery status

– minimum supply voltage (at the terminals): 11.5 V DC

– Taking 4...20 mA test signal via plus and test terminal:

not possible.

– minimum supply voltage (at the terminals): 10.5 V DC

Test

TestTest

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