Endress+Hauser Proserve NMS80 Instructions d'utilisation

Products Solutions Services

Functional Safety Manual

Proserve NMS80

Intelligent tank gauge for high-precision liquid level

measurements and bulk solids with a 4 to 20 mA output

signal and switch output

FY01099G/00/EN/01.23-00

71618211

2023-06-12

01.yy.zz (Device firmware)

Proserve NMS80

2 Endress+Hauser

Order code:

Ext. ord. cd.:

Ser. no.:

www.endress.com/deviceviewer Endress+Hauser

Operations App

XXXXXXXXXXXX

XXXXX-XXXXXX

XXX.XXXX.XX

Serial number

A0023555

Proserve NMS80 Table of contents

Endress+Hauser 3

Table of contents

1 Declaration of conformity ........... 4

1.1 Other safety-related characteristic values ..... 6

1.2 Useful lifetime of electrical components ...... 6

2 Document information .............. 7

2.1 Document function ..................... 7

2.2 Using this document .................... 7

2.2.1 Information on the document

structure ....................... 7

2.3 Symbols used .......................... 7

2.3.1 Safety symbols .................. 7

2.3.2 Symbols for

certain types of information ......... 7

2.3.3 Symbols in graphics ............... 8

2.4 Supplementary device documentation ........ 8

3 Permitted devices types ............. 9

3.1 SIL label on the nameplate ............... 10

4 Safety function .................... 10

4.1 Definition of the safety function ........... 10

4.2 Safety-related signal ................... 10

4.3 Restrictions for use in safety-related

applications ......................... 11

4.3.1 Dangerous undetected failures in this

scenario ...................... 12

5 Use in safety instrumented

systems ........................... 13

5.1 Device behavior during operation .......... 13

5.1.1 Device behavior when switched on ... 13

5.1.2 Device behavior when safety

function is requested ............. 13

5.1.3 Device behavior in the event of

alarms and warnings ............. 13

5.1.4 Alarm and warning messages ...... 13

5.1.5 Device behavior when switched on ... 13

5.1.6 Device behavior when safety

function is requested ............. 13

5.1.7 Device behavior in the event of

alarms and warnings ............. 14

5.1.8 Alarm and warning messages ...... 14

5.2 Device configuration for safety-related

applications .......................... 14

5.2.1 Calibration of the measuring point -

safety function 1 (level

measurement) ................. 14

5.2.2 Calibration of the measuring point -

safety function 2 (current input

measurement) ................. 15

5.2.3 Configuration method ........... 16

5.3 Proof testing ......................... 21

5.3.1 Test sequence A (Approach the

level) ........................ 22

5.3.2 Test sequence B (simulate the level) .. 24

5.3.3 Test sequence C (simulation and

single-point level detection) ........ 26

5.3.4 Test sequence D (Feed in real

currents) ...................... 29

6 Life cycle ......................... 31

6.1 Requirements for personnel .............. 31

6.2 Installation .......................... 31

6.3 Commissioning ....................... 31

6.4 Operation ........................... 31

6.5 Maintenance ......................... 31

6.6 Repairs ............................. 32

6.7 Modification ......................... 33

7 Appendix ......................... 34

7.1 Structure of the measuring system ......... 34

7.1.1 System components ............. 34

7.1.2 Description of use as a protective

system ....................... 34

7.2 Proof testing ......................... 36

7.3 Notes on the redundant configuration of

multiple sensors ...................... 36

7.4 Further information .................... 37

Declaration of conformity Proserve NMS80

4 Endress+Hauser

1 Declaration of conformity

A0044238

Proserve NMS80 Declaration of conformity

Endress+Hauser 5

A0044239

Declaration of conformity Proserve NMS80

6 Endress+Hauser

1.1 Other safety-related characteristic values

Characteristic value as per IEC 61508 Value

MTBF 1) 29 Jahre

System reaction time as per DIN EN 61508-2 In "Expert mode":

User configurable

1) According to Siemens SN29500 This value takes into account failure modes relevant to the function of the

electronic components.

1.2 Useful lifetime of electrical components

The established failure rates of electrical components apply within the useful lifetime as

per IEC 61508-2:2010 section 7.4.9.5 note 3. In accordance with DIN EN 61508-2:2011

section 7.4.9.5 national footnote N3, appropriate measures taken by the manufacturer

and operator can extend the useful lifetime.

Proserve NMS80 Document information

Endress+Hauser 7

2 Document information

2.1 Document function

The document is part of the Operating Instructions and serves as a reference for

application-specific parameters and notes.

• General information about functional safety: SIL

• General information about SIL is available:

In the Download Area of the Endress+Hauser Internet site:

www.de.endress.com/SIL

2.2 Using this document

2.2.1 Information on the document structure

For the arrangement of the parameters as per the Operation menu, Setup menu,

Diagnostics menu, along with a short description, see the Operating Instructions for

the device

2.3 Symbols used

2.3.1 Safety symbols

Symbol Meaning

DANGER

DANGER!

This symbol alerts you to a dangerous situation. Failure to avoid this situation will

result in serious or fatal injury.

WARNING

WARNING!

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

result in serious or fatal injury.

CAUTION

CAUTION!

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

result in minor or medium injury.

NOTICE

NOTE!

This symbol contains information on procedures and other facts which do not result in

personal injury.

2.3.2 Symbols for certain types of information

Symbol Meaning

A0011193

Tip

Indicates additional information.

Reference to documentation

Reference to page

Reference to graphic

… Series of steps

Document information Proserve NMS80

8 Endress+Hauser

2.3.3 Symbols in graphics

Symbol Meaning

1, 2, 3,... Item numbers

… Series of steps

A, B, C, ... Views

2.4 Supplementary device documentation

Documentation Comment

Technical Information:

• TI01248G/00 (NMS80)

• TI01249G/00 (NMS81)

• TI01250G/00 (NMS83)

The documentation is available on the Internet:

→ www.endress.com

Operating Instructions

• BA01456G/00 (NMS80)

• BA01459G/00 (NMS81)

• BA01462G/00 (NMS83)

The documentation is available on the Internet:

→ www.endress.com

Brief Operating Instructions:

• KA01200G/00 (NMS80)

• KA01203G/00 (NMS81)

• KA01206G/00 (NMS83)

• The document is provided with the device.

• The documentation is available on the Internet:

→ www.endress.com

Safety instructions depending on the selected option

"Approval".

Additional safety instructions (XA, ZE) are supplied with

certified device version.

Please refer to the nameplate for the relevant safety

instructions.

This supplementary Safety Manual applies in addition to the Operating Instructions,

Technical Information and ATEX Safety Instructions. The supplementary device

documentation must be observed during installation, commissioning and operation.

The requirements specific to the protection function are described in this Safety

Manual.

Proserve NMS80 Permitted devices types

Endress+Hauser 9

3 Permitted devices types

The details pertaining to functional safety in this manual relate to the device versions

listed below and are valid as of the specified software and hardware version. Unless

otherwise specified, all subsequent versions can also be used for safety functions. A

modification process according to IEC 61508 is applied for any device modifications.

Valid device versions for safety-related use:

Order code Designation Option

010 Approval All

020 Connector type All

030 Power supply; display All

040 Primary output See next table

050 Secondary I/O analog See next table

060 Secondary I/O digital Ex d/XP See next table

070 Housing All except Y9

080 Process pressure All

090 Electrical connection All

110 Measuring range; wire; diameter All except Y

120 Displacer material; type All except Y

130 Process sealing All

140 Process connection All

150 Accuracy, approval for custody transfer All

500 Operating languages; display All

540 Application package All

570 Service All

580 Test; certificate All

590 Additional approval LA 1) SIL

610 Accessory mounted All

620 Accessory enclosed All

850 Firmware version If no version is selected here, the latest SW

with SIL capability is supplied. Alternatively,

the following SW version can be selected:

01.yy.zz

895 Identification All

1) An additional selection of other versions is possible.

Order code 040 050 060

Option

E1 * *

H1 * *

* A1 *

* A2 *

* B1 *

* B2 *

* C2 *

* * A1

Safety function Proserve NMS80

10 Endress+Hauser

Order code 040 050 060

* * A2

* * A3

* * B2

* * B3

* All options are possible. (This selection does not affect SIL capability.)

• Valid firmware version: as of 01.02.zz (→ nameplate of the device)

• Valid hardware version (electronics): as of date of production 23.11.2016 (→ nameplate

of the device)

3.1 SIL label on the nameplate

SIL certified devices are marked with the following symbol on the nameplate:

4 Safety function

4.1 Definition of the safety function

The device's safety functions are:

Safety function 1 (level measurement)

• Maximum point level monitoring (overfill protection)

• Minimum point level monitoring (dry run protection)

• Level range monitoring

The safety functions comprise the measurement of the level of a liquid.

Safety function 2 (current input measurement)

Current input monitoring

The safety function comprises the measurement of the current of a connected device.

4.2 Safety-related signal

Digital

The device's safety-related signal is the closed relay contact of the digital output. All safety

measures refer to this signal exclusively.

The level value (safety function 1: level measurement) or the analog input current (safety

function 2: current input measurement) are correctly converted to a digital output value.

The relay contact is closed within the range of validity, and is open outside this range.

The safety-related output signal is fed to a downstream logic unit, e.g. a programmable

logic controller or a limit signal transmitter where it is monitored for the following:

• Exceed and/or undershoot a specific level limit.

• The occurrence of a fault, e.g. contact open (interruption of the signal line).

In case of fault it must be ensured that the equipment under control achieves or

maintains a safe state.

Analog

The device's safety-related signal is the analog output signal 4 to 20 mA. All safety

measures refer to this signal exclusively.

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