Ma Optimass Mfc400 Haz_areas_en

8/10/2019 Ma Optimass Mfc400 Haz_areas_en

1/28

OPTIMASS / 400

1000 Series Twin Straight Tube Coriolis Mass Flowmeter

2000 Series Twin Straight Tube Coriolis Mass Flowmeter

3000 Series Single Z Tube Coriolis Mass Flowmeter

6000 Series Twin U Tube Coriolis Mass Flowmeter

7000 Series Single Straight Tube Coriolis Mass Flowmeter

MFC 400 Mass Flow Converter

Guidelines for the use of Coriolis meters in hazardous areas


2/28

2

1. Introduction

1.1 General . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5

1.2 MFC 400F . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5

1.3 OPTIMASS 1000 / 1000F / 1400C . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6

1.4 OPTIMASS 2000 / 2000F / 2400C . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6

1.5 OPTIMASS 3000 / 3000F / 3400C . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7

1.6 OPTIMASS 6000 / 6000F / 6400C . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7

1.7 OPTIMASS 7000 / 7000F / 7400C . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .8

1.8 Data Plates . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .9

2. Temperature limits

2.1 General . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .10

2.2 MFC 400F . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .10

2.3 OPTIMASS 1000 / 1000F / 1400C . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .112.4 OPTIMASS 2000 / 2000F / 2400C . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .12

2.5 OPTIMASS 3000 / 3000F / 3400C . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .13

2.6 OPTIMASS 6000 / 6000F / 6400C . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .14

2.7 OPTIMASS 6000F (high temperature) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .15

2.8 OPTIMASS 7000 / 7000F / 7400C . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .15

2.9 Painted options . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .16

3. Connection of separated systems

3.1 General . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .17

3.2 Cable parameters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .17

3.3 Equipotential bonding . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .17

3.4 Terminal diagrams . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .18

4. Electrical connections

4.1 General . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .19

4.2 Non-Ex I signal I/O connections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .20

4.3 Ex i signal I/O connections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .22

5. Service and maintenance

5.1 Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .245.2 Replacement of mains fuse . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .24

5.3 Returning the device for service or repair . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .25

Appendix 1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .25

OPTIMASSCONTENTS


3/28

3

Do not install, operate or maintain this device without reading, understanding and followingthe factory supplied handbook. Failure to do so, may result in injury or damage.

Read these instructions carefully before starting installation and save them for futurereference.

Observe all warnings and instructions marked on the device. You MUST only use a power supply that has a protective earth.

Do not use the device with the covers removed!

You MUST follow the installation instructions in the handbook, paying particular attentionto:

Handling

Lifting

Supporting and fixing the meter

Cabling and connections.

If the product does not operate normally, refer to the handbook or consult a qualifiedKROHNE service engineer. There are no operator-serviceable parts inside the product.

Explanation of Symbols Used

The following is a guide to the meaning of the symbols used in this handbook.The symbols fallinto two types. The rectangular symbols with blue background draw the readers attention togeneral points of information. The triangular symbols with yellow background draw the read-ers attention to hazards or hazardous situations.

General InformationInformation is important to theinstallation/operation of the meter.

General Warning Risk of damage to the meter or installation.

EX - Hazardous Area WarningInstruction MUST be observed in order tocomply with Hazardous Areas Certification.

High Voltage Risk of electric shock.

General Hazard Non specific hazard that could result in injury.

Hot Surface or High Temperature Risk of burning.

Heavy Item Risk of injury.


4/28

4

These terms may appear in this manual or on the device:

Warning statement: Identify conditions or practices that could result in injury or loss of life.

or

Caution statement: Identify conditions or practice that could result in damage to the instru-ment or other property.

Disclaimer:

This document contains important information on the device. KROHNE attempts to be asaccurate and up-to-date as possible but assumes no responsibility for errors or omissions.Nor does KROHNE make any commitment to update the information contained herein. Thismanual and all other documents are subject to change without prior notice.

KROHNE will not be liable for any damage of any kind by using this device, including, butnot limited to: direct; indirect; incidental; punitive and consequential damages.

Any device purchased from KROHNE is warranted in accordance with the relevant productdocumentation and our Terms and Conditions of Sale.

KROHNE reserves the right to alter the content of its documents, including this disclaimerin any way, at any time, for any reason, without prior notification and will not be liable in anyway for possible consequences of such changes.

Product liability and Warranty

Responsibility for suitability and intended use of this device rests solely with the user.Improper installation and operation of the device may lead to loss of warranty.

In addition, the Terms and Conditions of Sale are applicable and are the basis for the pur-chase contract.

If a device needs to be returned to KROHNE, please note the information given at the backof the Handbook. KROHNE regrets that they cannot repair or service a device unlessaccompanied by the completed form

This instrument has been developed and manufactured by:

KROHNE Ltd

Rutherford DrivePark Farm Industrial EstateWellingboroughNorthantsNN8 6AEUnited Kingdom

For information, maintenance or service, please contact your nearest local KROHNE represen-tative.

See www.krohne.com

WARNING

No changes may be made to the devices. Unauthorized changes might affect the explosionsafety of the devices. Be sure to follow these instructions!

IMPORTANT

The prescriptions, regulations and electrical data described in the EC type examinationcertificate MUST be obeyed.

In addition to the general regulations for low-voltage installations (e.g.HD384) theregulations laid down in the standard for electrical installations in gas hazardous areas(e.g. IEC/EN 60079-14) or dust hazardous areas (e.g. IEC/EN 61241-14) MUST be compliedwith.

Installation, commissioning, utilization and maintenance must be carried out only bypersonnel trained in explosion safety.

This manual must be read in conjunction with the OPTIMASS / OPTIGAS Handbooks.


5/28

5

OPTIMASS1 INTRODUCTION

For Ex i outputs

Ex d connection compartment Ex e connection compartment

II 2(1) G Ex d [ia Ga] IIC T6 Gb II 2(1) G Ex de [ia Ga] IIC T6 Gb

II 2(1) D Ex t [ia Da] IIIC T75C Db II 2(1) D Ex ib t [ia Da] IIIC T75C DbFor non-Ex i outputs

II 2 G Ex d [ia] IIC T6 Gb II 2 G Ex de [ia] IIC T6 Gb

II 2 D Ex t IIIC T75C Db II 2 D Ex t IIIC T75C Db

1.1 General

The OPTIMASS flowmeter system consists of a mass flow sensor and a mass flow converter ora mass flow sensor and associated apparatus.

The separate mass flow sensor with a mass flow converter is identified as:

OPTIMASS 1000 flow sensor with MFC 400F flow converter; see PTB XX ATEX XXXX X OPTIMASS 2000 flow sensor with MFC 400F flow converter; see PTB XX ATEX XXXX X

OPTIMASS 3000 flow sensor with MFC 400F flow converter; see PTB XX ATEX XXXX X



The flowmeter in a compact configuration is identified as:

OPTIMASS 1400C (OPTIMASS 1000 + MFC400 ); see PTB XX ATEX XXXX X





All OPTIMASS sensors (separate and compact) and converters are available with a painted fin-ish for aggressive environments. For these meters, the model name has the suffix -Painted

Example: OPTIMASS 1400C-Painted

The output configuration of the MFC400 is described by the CG33.XYZ number listed on thedata label. See section 4 for a detailed description.

All types are intended for use in Zone 1 Category 2.All types (except OPTIMASS3000/3000F/3400C) are also intended for Zone 0 Category 1 areas. Refer to the Ex markingstable for each meter. In addition, certain versions of MFC400 have intrinsically safe signal out-

puts suitable for use in Category 1 areas.

1.2 MFC 400F

The MFC 400F has intrinsically safe connections to the mass flow sensor with either increasedsafety or intrinsically safe signal outputs. The signal output connection compartment can beconfigured with protection type Ex d or Ex e. The marking is as follows:


6/28

6

For non-Ex i signal outputs with or without heating jacket / insulation


II 1/2 G Ex d ia IIC T6....T1 Ga/Gb II 1/2 G Ex de ia IIC T6....T1 Ga/Gb


For Ex i signal outputs with or without heating jacket / insulation


II 1/2(1) G Ex d ia [ia Ga] IIC T6....T1 Ga/Gb II 1/2(1) G Ex de ia [ia Ga] IIC T6....T1 Ga/Gb

II 2(1) D Ex t [ia Da] IIIC T165C Db II 2(1) D Ex t [ia Da] IIIC T165C Db

1.4 OPTIMASS 2000 / 2000F / 2400C

The OPTIMASS 2000 / 2000F mass flow sensors / mass flow meters are designed withintrinsically safe protection type. The marking for the OPTIMASS 2000 / 2000F (with or withoutheating jacket / insulation) is as follows:

II 1 G Ex ia IIC T6...T1 Ga

II 1 D Ex ia IIIC T160C Da

The marking for the compact OPTIMASS 2400C is as follows:



II 1/2 G Ex d ia IIC T6....T1 Ga/Gb II 1/2(1) G Ex de ia IIC T6....T1 Ga/Gb






1.3 OPTIMASS 1000 / 1000F / 1400C

The OPTIMASS 1000 / 1000F mass flow sensor / mass flow meter is designed with intrinsicallysafe protection type. The marking for the OPTIMASS 1000 / 1000F (with or without heating jack-et / insulation) is as follows:





7/28

7



II 2 G Ex d ia IIC T6....T1 Gb II 2 G Ex de ia IIC T6....T1 Gb




II 2(1) G Ex d ia [ia Ga] IIC T6....T1 Gb II 2(1) G Ex de ia [ia Ga] IIC T6....T1 Gb


1.6 OPTIMAS 6000 / 6000F / 6400C

The OPTIGAS 6000 / 6000F mass flow sensor / mass flow meter is designed with intrinsicallysafe protection type. The marking for the OPTIGAS 6000 / 6000F (with or without heating jacket/ insulation) is as follows:



The marking for the compact OPTIMAS 6400C is as follows:

1.5 OPTIMASS 3000 / 3000F / 3400C

The OPTIMASS 3000 / 3000F mass flow sensors / mass flow meters are designed withintrinsically safe protection type. The marking for the OPTIMASS 3000 / 3000F (with or withoutheating jacket / insulation) is as follows:













8/28

8









1.7 OPTIMASS 7000 / 7000F / 7400C

The OPTIMASS 7000 / 7000F mass flow sensors / mass flow meters are designed withintrinsically safe protection type. The marking for the OPTIMASS 7000 / 7000F (with or withoutheating jacket / insulation)is as follows:

II 1 G Ex ia IIC T6....T1 Ga




9/28

9

7

81

2

3

5

4

6

1.8 Data Plates

The data plate on the connection box of separate mass flow sensors typically contains the fol-lowing information:

1 Company logo and address

2 Model/size

3 Year of Manufacture

4 Serial Number

5 Handbook Publication Number6 Identification Number of the notified body, as required by Directive 94/95 EC, Annex IV

7 Ex Specific Requirements (example shown)

8 Certificate Number

9 Ex Marking (Example Shown)

1 Company Logo and Address

2 Model/size

3 Date of Manufacture

4 Serial Number

5 Handbook Publication Number

6 Power Supply Data

7 Ex Specific Requirements

8Certificate Number

9 Ex Marking (Example Shown)

0 Identification Number of the notified body, as required by Directive 94/95 EC, Annex IV

6

0

8

7

9

9

1

2

3

5

4


10/28

10

OPTIMASS2 TEMPERATURE LIMITS

IO Configuration (last three characters) Designation

100 Basic IO

488, 4C8 to 4K8

688, 6C8 to 6K8

788, 7C8 to 7K8

Modular IO and Module Carrier with 1 modulepulse / status or control in

888, 8C8 to 8K8B88, BC8 to BK8

C88, CC8 to CK8

Modular IO and Module Carrier with 1 modulepulse / status

D88 to DP8

E88 to EP8Profibus PA or Foundation Fieldbus andModule Carrier with 1 module (all modules)

F80,

FCO to FKO

Profibus DP and Module Carrier with 1 mod-ule Pulse / Status or Control In

G88 to GP8MODBUS IO and Module Carrier with 1 mod-ule (all modules)

GCC to GKC, GCE to GKC

GCF to GKFHCC to HKC, HCE to HKC

HCF to HKF

Modbus IO and Module Carrier with 2 modulepulse / status or control in

200 300 Exi IO

2.1 General

Due to the influence of the media temperature, mass flow sensors and compact mass flowmeters are not allocated to any fixed temperature class. For allocation regarding thenon-insulated and heated/insulated versions, please refer to the tables below.

The temperature limits below apply under the following conditions:

The flowmeter is installed and operated in accordance with the installation directions givenin the Installation and Operating Instructions.

The flowmeter is not heated up by any additional heat radiation (direct solar radiation, heatfrom adjacent plant parts) so causing it to operate above the permissible ambient tempera-ture range.

Insulation is not hindering free ventilation of the mass flow converter housing.

2.2 MFC 400F

The MFC 400F mass flow converter is suitable for temperature classes T6.T1 with amaximum surface temperature T75 C. with the following restictions on ambient temperature:

1 Aluminium converter housing:

Tamb: - 40C...+65C

2 Stainless steel converter housing:

Tamb: - 40C...+60C


11/28

11

OPTIMASS 1400C with SS converter housing, with or without heating jacket / insulation

AmbientTemp. Tamb C

Max. mediumtemp. Tm C

TemperatureClass

Max. SurfaceTemp. C

40

40 T6 T75

55 T5 T90

90 T4 T125

130 T3 T1 T165

5055 T5 T90

90 T4 T1 T125

60 60 T5 T1 T95

OPTIMASS 1400C with aluminium converter housing, with or without heatingjacket / insulation

Ambient Temp.Tamb C


Temperature ClassMax. Surface

Temp. C

40

40 T6 T75

55 T5 T90

90 T4 T125

130 T3 T1 T165

5055 T5 T9090 T4 T125

130 T3 T1 T165

65 65 T4 T1 T100

OPTIMASS 1000 / 1000F - with or without heating jacket / insulation

AmbientTemp. Tamb C


TemperatureClass

Max. SurfaceTemp. C

40

40 T6 T7555 T5 T90

90 T4 T125

130 T3-T1 T165

50

55 T5 T90

90 T4 T125

130 T3-T1 T165

6575 T4 T110

130 T3-T1 T165

The cable supplied by KROHNE is designed for a continuous working temperature of up to 85C. Alternativecabling must be a heat-resistant type with a continuous minimum working temperature of 85C.

2.3 OPTIMASS 1000 / 1000F / 1400CThe OPTIMASS 1000 / 1000F / 1400C is suitable for temperature classes T6.T1 according tothe following tables:


12/28

12


AmbientTemp. Tamb C


TemperatureClass

Max. SurfaceTemp. C

40

40 T6 T70

55 T5 T85

90 T4 T120

130 T3 T1 T160

5055 T5 T85

90 T4 T1 T120

60 60 T5 T1 T90


Ambient Temp.Tamb C



Temp. C

40

40 T6 T70

55 T5 T85

90 T4 T120

130 T3 T1 T160

50

55 T5 T85

90 T4 T120

130 T3 T1 T160

65 65 T5 T1 T95


AmbientTemp. Tamb C


TemperatureClass

Max. SurfaceTemp. C

40

40 T6 T70

55 T5 T85

90 T4 T120

130 T3-T1 T160

50

55 T5 T85

90 T4 T120

130 T3-T1 T160

6565 T5 T95

130 T3-T1 T160

2.4 OPTIMASS 2000 / 2000F / 2400C

The OPTIMASS 2000 / 2000F / 2400C are suitable for temperature classes T6.T1 according tothe following tables:

The cable supplied by KROHNE is designed for a continuous working temperature of up to85C. Alternative cabling must be a heat-resistant type with a continuous working temperatureof 85C.


13/28

13


AmbientTemp. Tamb C


TemperatureClass

Max. SurfaceTemp. C

40

40 T6 T55

70 T5 T85

90 T4 T105

130 T3 T1 T145

5070 T5 T85

90 T4 T1 T105

60 60 T6 T1 T75


Ambient Temp.Tamb C



Temp. C

40

40 T6 T55

70 T5 T85

90 T4 T105

150 T3 T1 T165

5090 T4 T105

145 T3 T1 T160

65 65 T6 T1 T80


AmbientTemp. Tamb C


TemperatureClass

Max. SurfaceTemp. C

40

40 T6 T55

70 T5 T85

90 T4 T105

150 T3-T1 T165

50

70 T5 T85

90 T4 T105

150 T3-T1 T165

6590 T4 T105

130 T3-T1 T145

2.5 OPTIMASS 3000 / 3000F / 3400C

The OPTIMASS 3000 / 3000F / 3400C is suitable for temperature classes T6.T1according to the following tables:

The cable supplied by KROHNE is designed for a continuous working temperature of up to85C. Alternative cabling must be a heat-resistant type with a minimum continuous workingtemperature of 85C.


14/28

14


Ambient Temp.Tamb C



Temp. C

40

40 T6 T80

150 T3 T190

230 T2 - T1 T270

50

40 T6 T80

150 T3 T190

230 T2 - T1 T270

65 65 T4 T1 T105

Low temperature version

-25...65 -200...40 T6-T1 T80


AmbientTemp. Tamb C


TemperatureClass

Max. SurfaceTemp. C

4040 T6 T80

150 T3 T190

230 T2-T1 T270

55

40 T6 T80

150 T3 T190

230 T2-T1 T270

65

40 T6 T80

150 T3 T190

230 T2-T1 T270Low temperature version

-20...65 -200...40 T6-T1 T80


AmbientTemp. Tamb C


TemperatureClass

Max. SurfaceTemp. C

40

40 T6 T80

150 T3 T190

230 T2-T1 T270

50

40 T6 T80

150 T3 T190

230 T2 T1 T270

60 60 T4 T1 T100

Low temperature version

-25...60 -200...40 T6-T1 T80

2.6 OPTIMASS 6000 / 6000F / 6400C

The OPTIMASS 6000 / 6000F / 6400C is suitable for temperature classes T6.T1according to the following tables:


15/28

15

OPTIMASS 6000F with aluminium or SS junction box and with or without heating jacket /insulation

AmbientTemp. Tamb C


TemperatureClass

Max. SurfaceTemp. C

-40...40

40 T6 T80

230 T2 T270

400 T1 T440

-40...55

40 T6 T80

230 T2 T270

400 T1 T440

-40...65

40 T6 T80

230 T2 T270

400 T1 T440

2.8 OPTIMASS 7000 / 7000F / 7400C

The OPTIMASS 7000 / 7000F / 7400C is suitable for temperature classes T6.T1 according tothe following tables:


Ambient Temp.Tamb C



Temp. C

40

40 T6 T55

70 T5 T85

90 T4 T105

150 T3 T1 T165

50

70 T5 T85

90 T4 T105150 T3 T1 T165

6590 T4 T105

130 T3 T1 T145

2.7 OPTIMASS 6000F (high temperature)

The OPTIMASS 6000F high temperature version, is suitable for temperature classes T6.T1according to the following tables:

The cable supplied by KROHNE is designed for a continuous working temperature of up to85C. Alternative cabling must be a heat-resistant type with a minimum continuous workingtemperature of 85C.


16/28

16

2.9 Painted options

OPTIMASS 1000, 1000F, 1400C, 2000, 2000F, 2400C, 3400C, 6000, 6000F, 6400C, 7000,7000F,7400C are available with a paint finish to prevent corrosion.

For painted meters, the maximum permissible ambient temperature Tamb is 40C and the

maximum permissible medium temperature Tm is 110C (or lower as required by the

temperature class).


Ambient Temp.Tamb C



Temp. C

40

40 T6 T5570 T5 T85

90 T4 T105

130 T3 T1 T145

5070 T5 T85

90 T4 T1 T105

60 60 T6 T1 T75


Ambient Temp.Tamb C



Temp. C

40

40 T6 T55

70 T5 T85

90 T4 T105150 T3 T1 T165

5090 T4 T105

145 T3 T1 T160

65 65 T6 T1 T80

The cable supplied by KROHNE is designed for a continuous working temperature of up to

85C. Alternative cabling must be a heat-resistant type with a minimum continuous workingtemperature of 85C.


17/28

17

CONNECTION OF SEPARATED SYSTEMS OPTIMASS3

3.1 General

In the case of separate systems, the sensor and converter are connected using 5 pair lowcapacitance cable, with outer screen. Each cable pair carries an intrinsically safe circuit.

The cable MUST NOT exceed the capacitance and inductance limits specified in section 3.2below.

The requirements of IEC/EN 60079-14 should be adhered to when installing the flowmeter.

3.2 Cable Parameters

When selecting the connecting cable, note the following points:

The maximum permitted total capacitance and inductance for the connecting cable is:

CL = 90 nF

LL = 36 H

Cable supplied by Krohne meets the following specification:

CL < 78 pF/m

LL < 0.8 H/m

The cable must have a temperature rating equal to, or better than, the maximum range oftemperatures present in the installation. When calculating the temperature range, youMUST give consideration to the temperature gradients on the flow sensors (see the notes insection 2).

The cable must be capable of withstanding a test voltage of 1000V AC and have a minimuminsulation thickness of 0.2mm, as per IEC/EN60079-14 section 12.2.2.7

3.3 Equipotential bondingThe MFC 400F mass flow converter or OPTIMASS X400C mass flow meter must be included inthe equipotential bonding of the installation using the equipotential bonding terminal on themass flow converter housing wall bracket or mass flow meter housing mounting stem respec-tively.

In separated systems, a screened cable is used and is earthed at both the mass flow sensorand the mass flow converter ends. You MUST fit an equalisation cable with a minimum crosssection area of 4mm2, to the equipotential bonding terminals locted on the mass flow converterhousing bracket and the mass flow sensor electronics stem.


18/28

18

MFC 400F mass flow sensor and converter junction box

The supplied cable has twisted pairs

Terminal block X1 are the signal circuits

Terminal block X2 are the strain guage and temperature sensor circuits

Terminal block X3 are the driver circuits

Screening:

Please see the illustrations above and refer to section 3.3.

3.4 Terminal Connections


19/28

19

OPTIMASS4 ELECTRICAL CONNECTIONS

4.1 General The MFC 400F mass flow converter (or OPTIMASS X400C mass flow meter) must be includ-

ed in the equipotential bonding system of the installation. Do this by using the the equipo-tential bonding terminal on the mass flow converter housing wall bracket, or mass flowmeter electronics stem.

The covers of the housing electronics compartment and the housing itself, are providedwith a "flameproof" thread. The thread is a tight fit because of explosion proofrequirements. Screw the cover on or off with care and never use excessive force.

Keep the threads free of dirt and apply Teflon grease (eg. NONTRIBOS type Li EP2). Thegrease will help to prevent the threads from locking due to corrosion

To open the covers, remove the hexagonal "retention" lock using a 2.5mm hex head tool.After closing the covers, refit the "retention lock".

Electronics compartment:

Allow the electronics to de-energize before opening the electronics compartment. For T6class meters wait for a minimum of 35 minutes and for T5 class meters, wait for aminimum of 10 minutes.

Terminal compartment:

The terminal compartment can be opened in hazardous areas, for a short period of time(eg. to check wiring configuration) with the power supply connected, where:

a) the terminal compartment has an ignition protection type increased safety (standard) and

b) the I/O circuits have an ignition protection type intrinsic safety and

c) the cover for the power supply terminals (L,N) is closed (see illustration)

Work on I/O terminals A-D can be carried out with the power supply connected, provided thatthe regulations regarding intrisically safe circuits are followed

As soon as the work has been completed, the cover must be replaced and the retention lock re-fitted.

N L D-DC-CB-BA+A-A

1 Electrical Connections

2 I/O Connections

1 2

Terminal Function, electrical data

L, N

L+, L-

Connection for mains, always non-Ex i

100..230 VAC, +10%/-15%, 22 VA

12..24 V DC, +30%/-25%, 12 W

24 VAC, +10%/-15%, 22VA

24 VDC, +30%/-25%, 12W

Um = 253 V

A, A-,A+

B, B-

C, C-

D, D-

Connection for signal I/Os (PELV circuits), non-Ex I or ExI, are dependent on specific version of the MFC400 con-verter ordered.

Consult the table with CG33 numbers below for details


20/28


21/28

21

The options separated with / are software selectable (can be changed by user)

The options separated by or are hardware versions (must be ordered as such)

All outputs are passive unless otherwise indicated

HighC means High Current input/output, Namur means input/output to Namur recommen-dations

Overview of possible combinations, defined by the CG33 number

CharactersXYZ

Name I/Ocircuits

Terminals A, A- Terminals B, B- Terminals C, C- Terminals D, D-

100 Basic I/O CO CO (a) over A+ SO/CI SO PO/SO

488 to 4RR588 to 5RR688 to 6RR788 to 6RR

888 to 8RRA88 to ARRB88 to BRRC88 to CRR

Modular I/O orModular Carrier

with 1 or 2 I/OModules

Many combinations possible

D88Fieldbus I/OProfibus PA

n.c. n.c. PA PA

D8A to DRR

Fieldbus I/OProfibus PA withModule Carrierwith 1 or 2 I/OModules

many combinations possible PA PA

E88Fieldbus I/OFoundationFieldbus

n.c n.c FF FF

E8A to ERR

Fieldbus I/OFoundationFieldbus withModule Carrierwith 1 or 2 I/OModules

many combina-tions possible

FF FF

F00 Profibus DP I/O n.c DP(a) DP(a) DP(a)

F80 to FROProfibus DP I/Owith 0 or 1 I/O

many combina-tions

DP(a) DP(a) DP(a)

G00 to GRR RS485 Modbus

Many combinations possible RS485 RS485

H00 to HRRModbus with 1 or 2I/O modules

shorts for in/output functions: CO= current output, PO=Pulse Output, SO= Status Output, CI= Control

Input, PA=Profibus PA, FF=Foundation Fieldbus, DP=Profibus DP; RS458= RS485 Modbus. all in/outputs are passive unless otherwise noted as active (a) n.c. = not connected.


22/28

22

4.3 Ex i signal I/O connections

Following intrinsically safe signal I/Os are available:

The I/O circuits named Ex i I/O, Ex i Option are always in the Intrinsically safe (Ex ia) type ofprotection. The I/O circuits Fieldbus I/O Profibus PA and Fieldbus I/O Foundation Fieldbuscan be in the Intrinsically safety type of protection.

A maximum of 4 intrinsically safe (Ex ia) in/outputs are possible. All intrinsically safe cir-cuits are galvanically insulated with respect to earth and each other. To avoid summation ofvoltages and currents, the wiring of these Ex ia circuits must be sufficiently separated, e.g.in line with the requirements of standard IEC/EN 60079-14, clause 12.2.

The Ex ia signal in/outputs may only be connected to other Ex ia or ib certified device (e.g.intrinsically safe isolation amplifiers), even if such devices are installed in the non-haz-ardous area!

Connection to a non-Ex i apparatus cancels the Ex ia properties of the flowmeter.

Terminals L, N (or L+, L-) for mains connection are always non-intrinsically safe. To achievethe necessary spatial separation to IEC/EN 60079-11 between the non-Ex i and Ex i circuits,the mains terminals are provided with a semi-circular insulation cover with a "snap-in"lock. This cover MUST be closed before establishing the power supply to the converter.

I/O PCB I/O functions

Ex i I/O

Current Output + HART communication

Pulse / Status Output

Ex ia IIC

Ui =30V, Ii = 100 mA, Pi = 1,0 W

Ci = 10nF, Li = negligibly low

Current Output, active+ HART communication

Ex ia IIC

Uo = 21 V, Io = 90 mA, Po = 0,5 W

linear characteristicCo = 90 nF, Lo =2,0 mHCo = 110 nF, Lo =0,5 mH

Ex i OptionorEx i Option2

Current input passive

Current Output

Pulse / Status Output / Control Input

Ex ia IIC

Ui =30V, Ii = 100 mA, Pi = 1,0 W

Ci = 10nF, Li = negligibly low

Current Output, active

Ex ia IIC

Uo = 21 V, Io = 90 mA, Po = 0,5 W

linear characteristic

Co = 90 nF, Lo = 2,0 mH

Co = 110 nF, Lo = 0,5 mH

Current input active

Ex ia IIC

Uo = 24.1 V, Io = 99 mA, Po = 0,6 W

linear characteristic

Co = 75 nF, Lo = 0.5 mH

Fieldbus I/O

Profibus-PA

Foundation Fieldbus

Ex ia IICUi = 24 V, Ii = 380 mA, Pi = 5,32 W

Ci = 5 nF, Li = 10 H

suitable for connection to an intrin-sically safe fieldbus in accordancewith the FISCO-model


23/28

23

Overview possible CG33 numbers with Ex ia in/outputs

CharactersXYZ

Name I/Ocircuits

Terminals A, A- Terminals B, B- Terminals C, C- Terminals D, D-

200 Ex i I/O n.c. n.c. CO (a) PO/SO

300 n.c. n.c. CO PO/SO

210

Ex i I/O

with

Ex i Option

CO (a) PO/SO/CI CO (a) PO/SO

220 CO PO/SO/CI CO (a) PO/SO

310 CO (a) PO/SO/CI CO PO/SO

320 CO PO/SO/CI CO PO/SO

D00Fieldbus I/O

Profibus PAn.c. n.c PA PA

D10

Fieldbus I/O

Profibus PA

with

Ex i Option

CO (a) PO/SO/CI PA PA

D20 CO PO/SO/CI PA PA

E00

Fieldbus I/O

FoundationFieldbus

n.c. n.c FF FF

E10

Fieldbus I/O

Foundation

FieldbuswithEx i Option

CO (a) PO/SO/CI FF FF

Abbreviations for in/output functions: CO= current output, PO=Pulse Output, SO= Status Output, CI=Control Input, PA=Profibus PA, FF=Foundation Fieldbus, DP=Profibus DP

All in/outputs are passive unless otherwise noted as active (a) n.c. = not connected


24/28

24

OPTIMASS5 SERVICE AND MAINTENANCE

5.1 Maintenance

The OPTIMASS flowmeters are maintenance free with respect to the flowmetering properties.Within the scope of periodic inspections required for electrical equipment installed in haz-ardous areas it is recommended to check the flameproof converter housing and covers forsigns of damage or corrosion.

5.2 Replacement of mains fuseOpen the window cover. Press the two metal clips on each side of the display and pull the dis-play unit forward. Move the display-unit sideward, out of the way. Loosen the two crossheadscrews holding the electronic unit is place. Slide the electronic unit forward, with care. Whenthe unit is almost completely removed from the housing, disconnect the long rectangular (10-pole) blue connector at the back-end of the unit. This connector is for the flow sensor circuits.Remove the unit from the housing.

The mains fuse is situated in a fuse holder at the back-end of the electronic unit. The specifica-tion must be as follows:

5.3 Returning the device for service or repair

This device has been carefully manufactured and tested. If installed and operated in accor-dance with these operating instructions, it will rarely present any problems. Should you needto return a device for inspection or repair, please pay strict attention to the following points:

Due to statutory regulations on environmental protection and safeguarding the health andsafety of our personnel, KROHNE may only handle, test and repair returned devices that havebeen in contact with products without risk to personnel and environment.

This means that KROHNE can only service this device if it is accompanied by the following cer-tificate confirming that the device is safe to handle.

If the device has been operated with toxic, caustic, flammable or water polluting liquids, youare kindly requested:

To check and ensure, if necessary by rinsing or neutralizing, that all cavities in the device arefree from dangerous substances.

To enclose a certificate with the device confirming that it is safe to handle and stating the prod-uct used.

We cannot service your device unless accompanied by a certificate.

The specimen shown in appendix 1 can be photocoppied and used and it is also available on theKROHNE website as a word file. Simply download and use the tabulator key to go from one fill-out field to the next. Please attach the form to the returned device

Fuse type: 5 x 20 mm (H) according to IEC 60127-2/V

Power Supply: Time Lag: KROHNE Part Number:

12-24 VDC 250V / 2A 5060200000

24 VAC/DC 250V / 2A 5060200000

100-230 VAC 250V / 0.8A 5080850000


25/28

25

Appendix 1 Declaration of Cleanliness Certificate

Company: . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Address: . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Department: . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Name . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Tel. No. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Fax No.: . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

The enclosed device

Type: . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

KROHNE Order No. or Series No.: . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

has been operated with the following liquid: . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Because this liquid is water-hazardous toxic caustic flammable

we have checked that all cavities in the instrument are free from such substances /

flushed out and neutralized all cavities in the device

We confirm that there is no risk to humans or environment through any residual liquid contained in this

device.

Date: . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Signature: . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Company stamp:


26/28

26


27/28

27


28/28

Australia

KROHNE Australia Pty Ltd

Quantum Business Park10/287 Victoria Rd

Rydalmere NSW 2116

TEL.: +61 2 8846 1700FAX: +61 2 8846 1755

e-mail: [email protected]

Austria

KROHNEAustria Ges.m.b.H.

Modecenterstrae 14

A-1030 Wien

TEL.: +43(0)1/203 45 32FAX: +43(0)1/203 47 78


Belgium

KROHNEBelgium N.V.

Brusselstraat 320

B-1702 Groot Bijgaarden

TEL.: +32(0)2-4 66 00 10FAX: +32(0)2-4 66 08 00


BrazilKROHNEConaut

Controles Automaticos Ltda.

Estrada Louis Pasteur, 230 C.P. 56

06835 - 080 EMBU - SPTEL.: +55(0)11-4785-2700

FAX: +55(0)11-4785-2768


China

KROHNEMeasurement Instruments

(Shanghai) Co. Ltd.9th Floor, Xujiahui International Building

1033 Zhaojiabang Road

Shanghai 200030

P. R.ChinaTEL.: +86 21 6487 9611

FAX: +86 21 6438 7110


CIS

Kanex KROHNE Engineering AG

Business-Centre Planeta, Office 403

Marxistskaja-Street 3109147 Moscow/Russia

TEL.: +7(0)095-9117 165

FAX: +7(0)095-9117 231e-mail: [email protected]

Czech Republic

KROHNECZ, spol.s r.o.

Sobick 15663800 Brno

TEL.: +420 545 532 111

FAX: +420 545 220 093


Algeria

Argentina

Belarus

CameroonCanada

Chile

Colombia

CroatiaDenmark

Ecuador

Egypt

FinlandGabon

Ghana

Greece

Hong KongHungary

Indonesia

Ivory Coast

IranIreland

Israel

Japan

Jordan

KuwaitLibya

Lithuania

Malaysia

MoroccoMauritius

Mexico

New Zealand

PeruPoland

Portugal

Romania

Saudi ArabiaSenegal

Slovakia

Slovenia

SwedenTaiwan

Thailand

Turkey

TunisiaVenezuela

Yugoslavia

France

KROHNES.A.S.

Les OrsBP 98

F-26103 ROMANS Cedex

TEL.: +33(0)4-75 05 44 00

FAX: +33(0)4-75 05 00 48e-mail: [email protected]

Germany

KROHNEMesstechnik

GmbH & Co. KGLudwig-Krohne-Str.

D-47058 Duisburg

TEL.: +49(0)203-301-0

FAX: +49(0)203-301-10 389e-mail: [email protected]

India

KROHNEMarshall Ltd.

A-34/35,M.I.D.C.

Industrial Area,H-Block,Pimpri Poona 411018

TEL.: +91(0)202-7442020

FAX: +91(0)202-7442020


Iran

KROHNE Liaison Office

North Sohrevardi Ave.

26,Sarmad St.,Apt.#9

Tehran 15539TEL.: ++98-21-874-5973

FAX: ++98-21-850-1268


Italy

KROHNEItalia Srl.

Via V.Monti 75

I-20145 Milano

TEL.: +39(0)2-4 30 06 61FAX: +39(0)2-43 00 66 66

e-mail:[email protected]

Korea

KROHNE Korea

Room 508 Miwon Bldg43 Yoido-Dong

Youngdeungpo-Ku

Seoul, Korea

TEL.: 00-82-2-780-1743FAX: 00-82-2-780-1749


Netherlands

KROHNEAltometer

Kerkeplaat 12NL-3313 LC Dordrecht

TEL.: +31(0)78-6306300

FAX: +31(0)78-6306390


Netherlands

KROHNENederland B.V.

Kerkeplaat 14

NL-3313 LC Dordrecht

TEL.: +31(0)78-6306200FAX: +31(0)78-6306405

Service Direkt:+31(0)78-6306222


Norway

KROHNENorway A.S.

Ekholtveien 114NO-1526 Moss

P.O.Box 2178,NO-1521 Moss

TEL.: +47(0)69-264860

FAX: +47(0)69-267333e-mail: [email protected]

Internet: www.krohne.no

Singapore

Tokyo Keiso - KROHNE Singapore Pte. Ltd.

14, International Business Park,

Jurong EastChiyoda Building #01-01/02

Singapore 609922

Singapore

TEL.: ++65-65-67-4548FAX: ++65-65-67-9874

South Africa

KROHNEPty.Ltd.163 New Road

Halfway House Ext. 13

Midrand

TEL.: +27(0)11-315-2685FAX: +27(0)11-805-0531


Spain

I.I.KROHNE Iberia,S.r.L.

Poligono Industrial Nilo

Calle Brasil,n. 5

E-28806 Alcal de Henares -MadridTEL.: +34(0)91-8 83 21 52

FAX: +34(0)91-8 83 48 54


Switzerland

KROHNEAG

Uferstr.90CH-4019 Basel

TEL.: +41(0)61-638 30 30

FAX: +41(0)61-638 30 40


United Kingdom

KROHNELtd.

Rutherford DrivePark Farm Industrial EstateWellingborough,

Northants NN8 6AE, UKTEL.: +44(0)19 33-408 500

FAX: +44(0)19 33-408 501


USA

KROHNEInc.

7 Dearborn RoadPeabody, MA 01960

TEL.: +1-978 535-6060

FAX: +1-978 535-1720


Other Representatives

Other Countries

KROHNEMesstechnik

GmbH & Co. KGLudwig-Krohne-Str.

D-47058 Duisburg

TEL.:+49(0)203-301-0

FAX: +49(0)203-301-389e-mail: [email protected]

Subject to change without notice

KROHNE08/201

0

4003491801

Krohnereservestherighttomakechangeswithoutpriornotice

Documents

Ma Optimass Mfc400 Haz_areas_en