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Operation, 7 messages and error handling, 1 list of event messages – KROHNE PipePatro EN User Manual

Page 38

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3

OPERATION

38

PIPEPATROL

www.krohne.com

02/2013 - 4002275001 - MA PipePatrol R01 en

3.7 Messages and error handling

In the next pages the alarm messages are rated by a priority. The following table gives you a
description of the priority and the needed action to be taken after appearance of the massage.

3.7.1 List of event messages

Priority

Type

Action

1

fatal

Contact manufacturer.

2

serious

Proceed according to the written procedures of your company.

3

low

-

4

information only

-

Message

Priority

Description

Leak Alarm State: No

Alarm

4

The LDS judges this line to be leak free. No one of the alarming module

recognised a leak.

Leak Alarm State: Alarm

2

For this pipeline a leak has been detected. One of the alarming module

recognised a leak. The operator is asked to confirm the leak.

Leak Alarm State: Alarm

Acknowledge

3

An alarm has been confirmed by the operator.

E-RTTM Signature-Test:

No Leak

4

The LDS judges this line to be leak free. No dynamic leak signature

recognised.

E-RTTM Signature-Test:

Alarm

2

For this pipeline a leak has been detected. A dynamic leak signature during

pumping conditions has been recognised. The operator is asked to confirm

the leak.

E-RTTM Signature-Test:

Alarm Acknowledge

3

An alarm has been confirmed by the operator.

Shut-In: No Leak

4

The LDS judges this line to be leak free.

Shut-In: Alarm

2

For this pipeline a leak has been detected. A dynamic leak signature during

Shut-In conditions has been recognised. The operator is asked to confirm

the leak.

Shut-In: Alarm

Acknowledge

3

An alarm has been confirmed by the operator.

E-RTTM Differential-Test:

No Leak

4

The LDS judges this line to be leak free. No slow leak signature recognised.

E-RTTM Differential-Test:

Alarm

2

For this pipeline a leak has been detected. A slow leak signature during

pumping conditions has been recognised. The operator is asked to confirm

the leak.

E-RTTM Differential-Test:

Alarm Acknowledge

3

An alarm has been confirmed by the operator.

Mass Balance: No Leak

4

The LDS judges this line to be leak free. No statistic leak signature

recognised.

Mass Balance: Alarm

2

For this pipeline a leak has been detected. The operator is asked to confirm

the leak. A statistic leak signature during pumping conditions has been

recognised.

Mass Balance: Alarm

Acknowledge

3

An alarm has been confirmed by the operator.

E-RTTM Signature-Test:

Alarm Acknowledge

(User)

3

An alarm has been confirmed by the operator logged on the operator station.

E-RTTM Signature-Test:

Reset Classificator (User)

3

A reset of the classificator has been executed by the operator on the

operator station.