Siemens SITRANS F M MAG 5000 Instructions Manual
Hide thumbs
Also See for SITRANS F M MAG 5000:
- Manual (107 pages) ,
- Operating instructions manual (106 pages) ,
- Instructions (4 pages)
Advertisement
Available languages
Available languages
Quick Links
SIEMENS
SITRANS F M MAG 5000/6000, Accessory: Cleaning Unit
EN
Contents
1 electrochemical cleaning unit
1 connection board.
Introduction
The Siemens Flow Instruments cleaning unit is used with MAG 5000 or MAG 6000 19" version on sensors
MAG 1100, MAG 1100 F, MAG 3100. The cleaning unit can be used for applications where deposits accu-
mulate on the liner material and electrodes. Non-conductive deposits will reduce the electrode signal,
while conductive deposits will partially shortcircuit the electrode signal, in both cases deteriorating the
accuracy of the meter (depending on the character and thickness of the deposits).
Warning
During cleaning there are high voltages on the electrode cables.
1. Do not touch electrodes and stripped electrode cables.
2. Not to be used in explosion hazardous areas.
3. Not to be used on flammable or explosive media.
4. Do not connect the cleaning unit to a flow simulator, etc.
5. Not to be used with sensors with Hastelloy or Tantalum electrodes.
Mode of operation
The cleaning unit is used for electrochemical cleaning of the sensor (electrodes) by applying voltage for
approx. 60 seconds. Metering is resumed after another 60 seconds when cleaning is complete. During
cleaning (120 seconds) MAG 5000/6000 retains the last flow reading in the display and in the signal out-
puts until metering is resumed.
The relay output of the signal converter determines when to clean. In the signal converter the cycle time
can be set at 1 to 240 hours. If the cleaning cycle is set at e.g. 3 hours, the signal converter will clean the
electrodes every three hours.
Always make sure there is liquid in the pipe when cleaning. Use the "empty pipe detection" function (ON)
in the signal converter to detect when the cleaning unit can be used.
The cleaning sequence can also be controlled manually through the electrical input of the transmitter.
Before this is done, ensure that the measuring pipe is full.
AC cleaning
AC cleaning is used to remove fatty deposits from the electrodes.
These fatty deposits are seen in waste water applications, in abattoirs and water applications with oil residuals.
During the cleaning process, the surface of the electrodes get warmer, which tends to soften grease particles
and the gas bubbles generated mechanically lift deposits away from the surface of the electrodes.
Note: Do not use AC cleaning on sensors with Tantalum or Hastelloy electrodes.
DC cleaning
DC cleaning is used to eliminate electrically conductive deposits in the measuring pipe influencing the
measuring accuracy.
Particularly in district heating applications an electrically conductive deposit (magnetite) may occur and
short-circuit the electrode signal. In this case the accuracy of the meter decreases and the signal/noise
conditions of the meter become inferior.
The problem only arises if the conductivity of the water is less than approx. 250 µS/cm.
During DC cleaning electrolysis takes place where the flow of electrons removes the particle deposits
from the electrode area.
Note: Do not use DC cleaning on sensors with Tantalum or Hastelloy electrodes.
SFIDK.PI.026.J3.02
083R9148
Copyright © Siemens AG 03.2009. All rights reserved
INSTRUCTIONS
SITRANS F M
Advertisement
Related Manuals for Siemens SITRANS F M MAG 5000
Summary of Contents for Siemens SITRANS F M MAG 5000
- Page 1 1 connection board. Introduction The Siemens Flow Instruments cleaning unit is used with MAG 5000 or MAG 6000 19" version on sensors MAG 1100, MAG 1100 F, MAG 3100. The cleaning unit can be used for applications where deposits accu- mulate on the liner material and electrodes.
-
Page 2: Montage
5. Select AC cleaning or DC cleaning mode at the switch located on the base of the cleaning unit. 6. Insert the cleaning unit and the signal converter in the rack system. SFIDK.PI.026.J3.02 083R9148 Copyright © Siemens AG 03.2009. All rights reserved... - Page 3 Electrical connection Terminals 81 and 84 are only connected when special electrode cable with double screening is used. SFIDK.PI.026.J3.02 083R9148 Copyright © Siemens AG 03.2009. All rights reserved...
-
Page 4: Operation
However, the information in this publication is reviewed regularly and any necessary corrections are included in subsequent editions. Responsibility for suitability and intended use of this instrument rests solely with the user. Copyright © Siemens AG 05.2008 All Rights Reserved. Technical data subject to change without prior notice. Siemens Flow Instruments A/S... - Page 5 1 Stück elektrochemische Reinigungseinheit (cleaning unit) Inhalt 1 Stück Klemmleiste Die Siemens Flow Instruments Reinigungeinheit (cleaning unit) wird zusammen mit dem MAG 5000 oder dem MAG Einführung 6000 in 19"-Ausführung für MAG 1100, MAG 1100 F und MAG 3100 Messaufnehmer verwendet. Die Reinigung- seinheit kann in Bereichen eingesetzt werden, in denen Beläge oder Ablagerungen auf dem Auskleidungswerkstoff...
- Page 6 4. Die Kabel werden angeschlossen, siehe „Elektrische Anschlüsse“. 5. Mit dem am unteren Teil der Reinigungseinheit angebrachten Schalter wird AC-Reinigung oder DC-Reinigung gewählt. 6. Die Reinigungseinheit und der Messumformer werden in das Einbausystem eingeschoben. SFIDK.PI.026.J3.03 521H0869 Copyright © Siemens AG 03.2009. All rights reserved...
- Page 7 Elektrische Anschlüsse Die Anschlussklemmen 81 und 84 werden nur angeschlossen, wenn ein spezielles Elektrodenkabel mit doppelter Abschirmung verwendet wird. SFIDK.PI.026.J3.03 521H0869 Copyright © Siemens AG 03.2009. All rights reserved...
-
Page 8: Betrieb
Übereinstimmung keine Gewähr übernehmen. Die Angaben in dieser Druckschrift werden regelmäßig überprüft, notwendige Korrekturen sind in den nachfolgenden Auflagen enthalten. Der Benutzer ist allein verantwortlich für Eignung und Bestimmungszweck dieses Gerätes. Copyright © Siemens AG 03.2009 All Rights Reserved. Änderungen vorbehalten. Siemens Flow Instruments A/S... - Page 9 1 unité de nettoyage électrochimique Contenu 1 plaque de raccordement L'unité de nettoyage Siemens Flow Instruments est conçue pour le MAG 5000/MAG 6000 version 19" Introduction associé aux capteurs MAG 1100, MAG 1100 F, MAG 3100. Elle est destinée aux applications dans lesquelles des dépôts s’accumulent sur le matériau de revêtement intérieur et les électrodes.
-
Page 10: Installation
5. Sélectionnez le mode de nettoyage CA ou CC à l’aide de l’interrupteur situé sur la base de l’unité de nettoyage. 6. Insérez l’unité de nettoyage et le convertisseur de signaux dans le rack. SFIDK.PI.026.J3.04 083R9148 Copyright © Siemens AG 03.2009. All rights reserved... - Page 11 Raccordement Les bornes 81 et 84 sont réservées au raccordement par câble d’électrode spécial à double blindage. SFIDK.PI.026.J3.04 083R9148 Copyright © Siemens AG 03.2009. All rights reserved...
- Page 12 Si l’usage de ce manuel devait révéler des erreurs, nous en tiendrons compte et apporterons les corrections nécessaires dès la prochaine édition. La responsabilité concernant l’usage approprié et prévu de l’instrument incombe à l’utilisateur. Copyright © Siemens AG 05.2008 All Rights Reserved. Sous réserve de modifications techniques. Siemens Flow Instruments A/S...