© Siemens AG 2012. All rights reserved
A5E31311334-03, 08/2013 1
Continuous Gas Analysis
SITRANS SL In-situ Laser Gas Analyzers
Amendment 1 to Operating Instructions A5E01132948-04
Product Information
Introduction
This amendment contains necessary information to the following paragraphs of the Operating Instructions A5E01132948-04:
● Section 3.1
● Section 4.2.3
● Section 4.2.4
● Section 4.3.3
● Section 5.1.4
● Section 5.2
● Section 5.2.2
● Section 11.1
● Annex A
To ensure safe operation of this device, make sure you also read the standard operating instructions for the SITRANS SL
laser gas analyzer (A5E01132948) as of revision 04. This applies, above all, to the warnings and safety information provided
there.
Product Information
Section 3.1
Section 3.1 is renamed to read: 'Preparing electric connection'.
The existing paragraph 'Cable selection recommendation' remains as it is, the following paragraph is added:
Power switch and fuse
The device does not have a power switch. For power supply connection install an external power switch with a switching
capacity of min. 1.5 A and a slow-blow fuse with a rating of 1.6 A.
Install the power switch such that it is easily accessible during operation of the device.
Amendment 1 to Operating Instructions A5E01132948-04
2 A5E31311334-03, 08/2013
Section 4.2.3
The following paragraph is added to Section 4.2.3:
ANSI 4"/150 lbs Process Interface
When using a SITRANS SL analyzer with an ANSI 4"/150 lbs process interface (fabrication no. 7MB6221-xxxxx-xBxx)
always make sure to use the right gasket and counterflange. The proper gasket is the one delivered either with the analyzer
or as a spare part (A5E02789535). Its dimensions are stated in the following figure. The proper counterflange is the one
specified in the operating instructions, its dimensions are quoted there in chapter 'Dimensional drawings'. The M16 bolts
shall be tightened with a torque of M = 80 Nm.
If a customer process flange with an inner diameter of more than 4" (101.6 mm) or an unsuitable gasket is used the flange
joint will become leak-prone.
Pressure ratings
The different pressure ratings for the SITRANS SL flanges depend on the fabrication number stated on the nameplate. All
quoted pressure values apply to room temperature.
Fabrication No.
p [MPa]
p [bar]
p [psi]
7MB6221-xxxxx-xBxx
1.6 MPa
16 bar
232.0 psi
7MB6221-xxxxx-xCxx
2.5 MPa
25 bar
362.5 psi
7MB6221-xxxxx-xExx
4.0 MPa
40 bar
580.0 psi
Section 4.2.4
The following paragraph is added to Section 4.2.4:
WARNING
Toxic and/or corrosive gases
When measuring toxic or corrosive gases, it could occur that sample gas accumulates in the analyzer because of leaks in
the environment.
To prevent the danger of poisoning or damage to parts of the analyzer, the analyzer or the system is subject to a leak test
following the installation of the sensors.
Amendment 1 to Operating Instructions A5E01132948-04
A5E31311334-03, 08/2013 3
Section 4.3.3
In Section 4.3.3, Table 4.4 'Electric connection for PROFIBUS connection cable (accessory)' of items 1 and 3 the supply
voltage rating in the function column has changed to read now 19 ... 30.2 V DC.
Section 5.1.4
In Section 5.1.4, Table 5.5 'Electric connection for PROFIBUS connection cable' of items 1 and 3 the supply voltage rating in
the function column has changed to read now 19 ... 30.2 V DC.
Section 5.2
Section 5.2 applies to all FM and CSA applications and therefore its header is renamed to read 'FM/CSA'. Throughout this
section any 'FM' statement is modified to read 'FM/CSA' instead.
Section 5.2.2
The following paragraph is added to this Section:
Special Conditions for Safe Use
● Always consult the manufacturer for dimensional information on the flameproof joints in case of repair.
● The painted surface of the SITRANS SL may be subject to electrostatic charge and thus become a source of ignition in
applications with a low relative humidity of less than 30 % when the painted surface is free of surface contamination such
as dirt, dust or oil. If necessary clean the painted surface only using a damp cloth.
● The SITRANS SL analyzers used for process measurement and control shall not measure oxygen concentrations
greater than 21%.
Section 11.1
In Section 11.1, Table 3 'Electric characteristics' the rating of item 'Power supply' has changed. The correct rating is 24 V DC
nominal (19 ... 30.2 V DC).
Annex A
The following two paragraphs are added to Annex A:
Classification according to Pressure Equipment Directive (97/23/EC)
For gases of fluid group 1 and liquids of fluid group 1 the SITRANS SL gas analyzer complies with the requirements of the
Pressure Equipment Directive 97/23/EC, article 3, paragraph 3 (sound engineering practice).
A marking in accordance with KC (Korea)
KC marking for use in Korea only
Device version
Operating instructions
A급 기기
이 기기는 업무용(A급) 전자파 적합기기로서 판매자 또는 사용자는 이 점을 주의하시기 바라며
가정 외의 지역에서 사용하는 것을 목적으로 합니다.
Class A device This device is classified as having electromagnetic resistance suitable for industrial use (Class
A) and may be used universally, apart from in domestic use.
Siemens AG
Industry Sector
Postfach 48 48
90026 NÜRNBERG
Amendment 1 to Operating Instructions A5E01132948
-04
A5
E31311334, 08/2013
