Labom PASCAL Ci4 LEVEL Manual de usuario

Hotline: +49 4408 804-444 Fax: +49 4408 804-100 e-mail: sale[email protected] www.labom.com

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Type series CI4xxx

Operating Instructions

General Information.......................................................................................................2

1.1

General Safety Notes..............................................................................................2

1.2

Intended Use...........................................................................................................2

1.3

Conformity with EU Regulations..............................................................................2

1.4

EX Approval............................................................................................................2

Transportation and Storage..........................................................................................2

Installation and Commissioning...................................................................................2

3.1

Devices with Diaphragm Seal .................................................................................3

3.2

Differential pressure devices...................................................................................3

3.3

Mechanical Installation............................................................................................3

3.4

Electrical Connection ..............................................................................................3

3.5

Devices with Diaphragm Seal .................................................................................4

3.6

Mounting the Remote Display.................................................................................4

Operation........................................................................................................................5

4.1

Test Terminals ........................................................................................................5

4.2

Remove Display / Activate Write Protection............................................................6

4.3

Maintenance / Service.............................................................................................6

Disassembly...................................................................................................................7

User Manual...................................................................................................................8

6.1

Principles of the parameterisation concept..............................................................8

6.2

Basics of the Operating Concept...........................................................................11

6.3

Display Mode / Measured Value Display...............................................................12

6.4

Menue Mode / Operating Menue...........................................................................15

6.5

The Menue Tree....................................................................................................18

LABOM Mess- und Regeltechnik GmbH Im Gewerbepark 13 27798Hude Germany BA_078_en_10.01

Level transmitter PASCAL Ci4 LEVEL

BA_078_en_10.01 Level transmitter PASCAL Ci4 LEVEL

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1.2 Intended Use

1.3 Conformity with EU Regulations

1.4 EX Approval

2 Transportation and Storage

3 Installation and Commissioning

This document contains necessary information for the proper installation and use of this

device. In addition to this instruction, be sure to observe all statutory requirements, appli-

cable standards, the additional technical specifications on the accompanying data sheet

(see www.labom.com) as well as the specifications indicated on the type plate.

The installation, set up, service or disassembly of this device must only be done by

trained, qualified personnel using suitable equipment and authorized to do so.

Warning

Media can escape if unsuitable devices are used or if the installation is not

correct.

Danger of severe injury or damage

Ensure that the device is suitable for the process and undamaged.

The device is intended to measure pressure of gases, vapors and liquids as specified in

the data sheet.

The CE-marking on the device certifies its compliance with the applicable EU Directives for

placing products on the market within the European Union.

You find the complete EU Declaration of Conformity (document no. KE_042) at

www.labom.com.

If you purchased a device with EX approval, please refer to the accompanying docu- ment

XA_010, XA_011 resp. XA_022 for ATEX-relevant information.

Store and transport the device only under clean and dry conditions preferably in the origi-

nal packaging. Avoid exposure to shocks and excessive vibrations.

Permissible storage temperature: -40…80 °C

Ensure that the device is suitable for the intended application with respect to pressure

range, overpressure limit, media compatibility, temperature range and process connection.

After the mechanical installation and electrical connection is completed, the device is

ready for operation as soon as the power supply is switched on.

1.1 General Safety Notes

1 General Information

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3.1 Devices with Diaphragm Seal

Remove the protective cap or protective wrapping from the diaphragm only just before in-

stallation to prevent contamination or damage.

The diaphragm must not be touched. Do not place the device on its diaphragm. Even

small scratches or deformations may negatively influence the zero point or other charac-

teristics of the device.

Pressure transmitter and diaphragm seal are a closed system that must not be separated.

You can find further information about diaphragm seals in the document TA_031 on

www.labom.com.

3.2 Differential pressure devices

The high pressure side is marked with a plus (+), the low pressure side with a minus (-).

Connect the plus side to the lower process connection and the minus side to the upper

process connection.

3.3 Mechanical Installation

Use gaskets, if required, that are suitable for the process connection and resistant to the

media.

Before starting operation, check the process connection carefully for leaks under pressure.

You can use the device in any mounting position. Normally the transmitter is adjusted for a

vertical mounting position. A different mounting position in combination with a small nomi-

nal range might cause a zero point offset. In this case a zero point adjustment might be

necessary.

3.4 Electrical Connection

Complete the mechanical installation before you connect the device electrically.

Set up all electrical connections while the voltage supply is switched off.

Output (2-wire) 4...20 mA (20...4 mA)

Permissible supply voltage UV= 12…30 VDC

Permissible load RB≤ (UV- 12 V) / 22 mA

Circular connector M12

Cable gland

Terminal box

Figure 1: Options for the electrical connection

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Pay attention to the following points regarding electrical connections via cable gland and

terminal block:

Do not forget to tighten the cable gland after the electrical connection is finalised.

Press down the spring of spring-operated terminals as far as possible, e.g. with a

screwdriver, before you insert the cable. Otherwise a safe electrical connection

cannot be ensured.

3.5 Devices with Diaphragm Seal

Remove the protective cap or protective wrapping from the diaphragm only just before in-

stallation to prevent contamination or damage.

The diaphragm must not be touched. Do not place the device on its diaphragm. Even

small scratches or deformations may negatively influence the zero point or other charac-

teristics of the device.

Pressure transmitter and diaphragm seal are a closed system that must not be separated.

You can find further information about diaphragm seals in the document TA_031 on

www.labom.com.

3.6 Mounting the Remote Display

Optionally you can mount the display and control unit away from the measuring point in an

additional housing. The back plate of the housing is universally suitable for wall mounting

or pipe mounting for pipe diameters from 30 –64 mm. For pipe mounting, you can order

the corresponding U-bolts from LABOM.

For best EMC protection, only use the included cable.

If you ordered the remote display together with the device, the assembly has been com-

pleted in the factory. You only need to route the cable and mount the housing with the re-

mote display.

If you have received the remote display as a retrofit kit, proceed as follows:

1. Unmount the front cover and the display unit from the PASCAL Ci4 (see 4.2).

2. Replace them with the adapter piece (round part with M12 socket) and front cover,

which were screwed onto the remote display housing for shipment. Do not forget to

connect the cable on the back with the display connector on the CPUmodule.

3. The cable may be shortened to on-site requirements. Colour codes on the terminals

indicate which wire should be connected to which terminal (see Figure 2).

4. Mount the remote display housing using the mounting holes to a wall, a pipe or another

suitable location.

5. Plug the M12 connector of the cable into the socket of the adapter piece.

6. Now connect the cable on the display module with the corresponding connector on the

terminal board in the remote housing and insert the display module in the same man-

ner as for the device itself (see 4.2).

7. The last step is to close the remote housing with the display cover that was previously

on the device.

BA_078_en_10.01 Level transmitter PASCAL Ci4 LEVEL

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4 Operation

Colour codes

BN/BR: Brown

WH/WS: White

BU/BL: Blue

BK/SW: Black

Figure 2: Connection of the remote display housing

This modification can be performed during operation. We do recommend, however, to

switch off the device during the modification.

Figure 3: Remote display and control unit after installation

During operation, take care that the device remains within its intended pressure and tem-

perature ranges. No other monitoring is necessary.

Permissible ambient temperature: -40…80 °C

4.1 Test Terminals

You can check the output current without interrupting the current loop, using the test ter-

minals on the terminal board. When you connect a current meter to the "+Test" and "-Test"

terminals, the current is automatically routed through it.

Figure 4: Current measurement during operation using test terminals

BA_078_en_10.01 Level transmitter PASCAL Ci4 LEVEL

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4.2 Remove Display / Activate Write Protection

Using the DIP switch in the device, you can disable changes to the configuration via the

display or via HART (not for type series CI4xx3 with a process connection on the back).

To activate the write protection, you must first remove the display module. Proceed as fol-

lows:

Unscrew the front cover

Turn the display module 20° counterclockwise

Lift off the display module carefully

Figure 5: Removing the display

After removing the display module you can reach the DIP switch on the CPU module. The

write protection is active when the DIP switch is in the "ON" position.

Figure 6: Write protection via slide switch in thedevice

Re-mount the display module in the reverse order.

4.3 Maintenance / Service

When properly installed in accordance with applicable specifications, this device is

maintenance-free. However, we recommend an annual recalibration of the device.

In case of damage or defects, the customer can replace the following elements:

Display module

Cable glands (if applicable)

For defects to other components, repairs must be performed in the factory.

BA_078_en_10.01 Level transmitter PASCAL Ci4 LEVEL

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When measuring hot media, make sure that the device has cooled down prior to any dis-

mounting or wear appropriate protective clothing to avoid burns.

Switch off the power supply to the device before disconnecting the electrical connections.

Once this is done, the device may be mechanically removed.

Warning

Opening pressurized lines might cause severe injuries.

Danger of severe injuries or damage

Relieve the process pressure before attempting to remove the device.

Shut off the pressure supply for all feed lines to the device and relieve the

pressure in them.

Warning

Hazardous deposits and residues might remain on opened process connec-

tions and removed devices.

Danger of injury

After the device has been removed, seal off the measuring point and

mark the open process connection accordingly. Consider a possible dan-

ger due to residues when handling the removed device.

5 Disassembly

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The device can be configured via the display module as well as the HART protocol. The

following pages describe operation and configuration of the device using the display mod-

ule. (valid from display module software version 2.0.0).

An overview of the menue structure can be found on the last page of this document.

6.1 Principles of the parameterisation concept

Basic requirement for correct level measurements are correct pressure measurements.

Please note in particular that the mounting position may lead to a change of the measured

value. Therefore, use the position correction feature in the adjustment menue once it is

installed and before the commissioning (see 6.5.4.2).

The following information is required for the hydrostatic fill level measurement:

Density of the medium

Reference point for fill level values (fill level zero)

Tank shape (for fill volume and weight)

The fill height can be calculated from the measured pressure using the density. The level

measurement is decoupled from the pressure measurement by using the level zero. The

size and shape of the tank must be defined for calculating the volume and weight.

NOTE: It would be physically correct to refer to the fill amount as a mass. However, the not

quite correct term "weight" is recognised in everyday language. The aim of the parameteri-

sation concept is to realise an intuitive access. The term "fill weight" and not "fill mass" is

therefore used below.

6.1.1

The reference point for level values

The reference point for level values indi-

cates which level should correspond to a fill

height of zero metres. You can select this

reference point for the level (level zero) re-

gardless of the position of the process con-

nection (pressure zero).

The reference point is parameterised by

entering the height offset. This indicates the

height difference between the pressure zero

and the level zero. A positive height offset

means that the level zero is above the pres-

sure zero. The level zero is below the pres-

sure zero for a negative height offset.

Set the height offset to zero if the level zero

is at the height of the process connection.

Figure 7: Linking the level zero and pressure zero

using the height offset

The level measurement is decoupled from the pressure measurement by using the height

offset. All level measurement parameters and measured values refer to the level zero.

6 User Manual

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6.1.2

Tank shape

The fill height is converted to a fill volume

using the tank shape table.

The table is stored in the device as a series

of fill height/fill volume pairs. The tank

shape table can therefore be easily deter-

mined from the tank documentation. A con-

version into percent or the like is not neces-

sary.

It is also possible to teach in the tank shape

to depict complex geometries in the tank

shape table such as agitators, for example

(see 6.5.3.4).

Figure 8: Calculating the fill volume using the tank

shape table

The control points of the tank shape table are entered and stored as height/volume pairs.

This means that a change in density does not affect the tank shape definition.

The table is managed internally in metre/litre pairs and converted for the display depend-

ing on the units selected. The display therefore adapts accordingly to the table when con-

verting the height and volume unit.

6.1.3

Scaling the current output

Each of the level variables (height, volume, weight) - as well as the measured pressure for

calibration purposes - can be issued at the current output. The scaling is done by indicat-

ing a measured value at 4 mA (lower range value) and a value at 20 mA (upper range val-

ue). The limit values are entered in its unit depending on the output variable selected.

These values, like all level variables, relate to the level zero.

The scaling of the measurand (height, volume, weight, pressure) are independent of each

other. A separate pair of values at 4 and 20 mA are stored in the device for each meas-

ured variable.

Figure 9: Scaling the current output

BA_078_en_10.01 Level transmitter PASCAL Ci4 LEVEL

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6.1.4

Calculating the fill weight

If a fill volume is available, the device calcu-

lates the fill weight from it using the density.

The fill volume and weight are proportional

to each other.

The level zero is also the reference point for

the fill weight.

Figure 10: Calculating the fill weight from the fill vol-

ume

6.1.5

Summary of the parameterisation concept

1. The fill height is calculated from the measured pressure using the density and height

offset.

2. The fill volume is calculated from the height using the tank shape table.

3. The fill weight is calculated from the volume using the density.

4. A manual selection determines which of these measurands should be issued at the

current output.

5. The current output is scaled using the parameters "Value at 4 mA" and "Value at 20

mA".

Figure 11: Schematic diagram of the fill level measurement

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