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Air Flow Monitoring
Operating Instructions for the Air Flow
Sensors and Monitors of Series F3.xEx SIL1
and NLSW45-3Ex SIL1 (Gg)
The person installing the devices as well as the system operator are obligated to ensure the satisfaction of the
mandatory national ex-legislation. Electrostatic charges on plastic parts and wires must be avoided. The
devices must be protected from any damage. The wire connecting the flow sensor must be attached to
stationary surfaces and must be protected from any harm. Stray radiation must be avoided.
Our products satisfy the requirements specified in the European directives WEEE 2012/19/EU and
RoHS 2011/65/EU.
SEIKOM-Electronic GmbH & Co. KG – Fortunastr. 20 – 42489 Wülfrath – Germany
Phone: +49(0)20 58 / 20 44 –
– Email: info@seikom-electronic.com
www.seikom-electronic.de
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Summary of Contents for Seikom Electronic F3 Ex SIL1 Series
- Page 1 Air Flow Monitoring Operating Instructions for the Air Flow Sensors and Monitors of Series F3.xEx SIL1 and NLSW45-3Ex SIL1 (Gg) The person installing the devices as well as the system operator are obligated to ensure the satisfaction of the mandatory national ex-legislation. Electrostatic charges on plastic parts and wires must be avoided. The devices must be protected from any damage.
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Page 2: Table Of Contents
Table of Contents Preamble............................. 1 Safety Instructions ........................1 General Information on Explosion Protection .................. 1 Electrical Specifications for Ex-i ....................2 Intrinsically Safe Parameters......................2 Sensor Properties for Series F3.xEx SIL1 ..................3 Type Code ............................ 3 Dimensions of the Air Flow Sensors F3.xEx SIL1 ................ 3 2.5.1 F3Ex SIL1 .......................... -
Page 3: Preamble
Air Flow Monitoring Operating Instructions for the Air Flow Sensors and Monitors of Series F3.xEx SIL1 and NLSW45-3Ex SIL1 1. Preamble Safety Instructions Please read the entire operating instructions to ensure the full operational capability of the devices and your own safety before starting their installation. -
Page 4: Electrical Specifications For Ex-I
Air Flow Monitoring Operating Instructions for the Air Flow Sensors and Monitors of Series F3.xEx SIL1 and NLSW45-3Ex SIL1 Electrical Specifications for Ex-i When installing, please note that the Z-barriers BZE804 and 805 have different values! If the barriers are swapped, the air flow monitor NLSW45-3Ex SIL1 will not function properly! Intrinsically Safe Parameters Type Value 25 VDC... -
Page 5: Sensor Properties For Series F3.Xex Sil1
Air Flow Monitoring Operating Instructions for the Air Flow Sensors and Monitors of Series F3.xEx SIL1 and NLSW45-3Ex SIL1 Sensor Properties for Series F3.xEx SIL1 Type F3Ex SIL1 F3.1Ex SIL1 F3.2Ex SIL1 F3.3Ex SIL1 Article-No 50276/Ex/SIL1 50276/130/Ex/SIL1 50276/150/Ex/SIL1 50276/300/Ex/SIL1 Approx. immersion depth 50 mm 130 mm 165 mm 300 mm... -
Page 6: F3.2Ex Sil1
Air Flow Monitoring Operating Instructions for the Air Flow Sensors and Monitors of Series F3.xEx SIL1 and NLSW45-3Ex SIL1 2.5.3 F3.2Ex SIL1 2.5.4 F3.3Ex SIL1 Design like F3.2Ex SIL1, but immersion depth 300mm. The drawing will be available in the near future. Temperature Class The sensors are suitable for use with temperature class T4. -
Page 7: Installation And Start-Up
Air Flow Monitoring Operating Instructions for the Air Flow Sensors and Monitors of Series F3.xEx SIL1 and NLSW45-3Ex SIL1 i) The person performing the installation of the air flow sensors and their connection to the flow monitors is responsible for their correct function and must ensure that they are eligible for their intended use. -
Page 8: Installation Conditions Of The Air Flow Sensors F3.Xex Sil1
Air Flow Monitoring Operating Instructions for the Air Flow Sensors and Monitors of Series F3.xEx SIL1 and NLSW45-3Ex SIL1 The following conditions must be met: a) Installation and maintenance may only be executed in atmospheres without any explosion hazard and in compliance with the applicable national regulations depending on the location of operation. -
Page 9: Maintenance And Service
Air Flow Monitoring Operating Instructions for the Air Flow Sensors and Monitors of Series F3.xEx SIL1 and NLSW45-3Ex SIL1 4. Maintenance and Service Definitions Definitions according to IEC 60079-17: Maintenance and Repair: A combination of activities, carried out to maintain an object in a certain condition or to regain this condition, which satisfies the requirements of the relevant specifications and ensures the ability to perform the demanded functions. -
Page 10: Troubleshooting
Air Flow Monitoring Operating Instructions for the Air Flow Sensors and Monitors of Series F3.xEx SIL1 and NLSW45-3Ex SIL1 5. Troubleshooting Products used in areas exposed to explosion hazards cannot be altered or modified. Repair of the product can only be performed by qualified and authorised personnel which has received specialised education in this field. -
Page 11: Technical Data Of The Air Flow Monitors Nlsw45-3Ex Sil1
Air Flow Monitoring Operating Instructions for the Air Flow Sensors and Monitors of Series F3.xEx SIL1 and NLSW45-3Ex SIL1 8. Technical Data of the Air Flow Monitors NLSW45-3Ex SIL1 NLSW45-3Ex NLSW45-3Ex Type NLSW45-3Ex SIL1 SIL1 SIL1 63377/Ex/SIL1; Article-No 77029/DC/Ex/SIL1 77029/AC/Ex/SIL1 63377/115/Ex/SIL1 Operating voltage 24 VDC... -
Page 12: Start-Up And Switch-Point Adjustment
Air Flow Monitoring Operating Instructions for the Air Flow Sensors and Monitors of Series F3.xEx SIL1 and NLSW45-3Ex SIL1 The housing enables mounting on a profile rail NS35/7,5 according to DIN EN 50022-35. If the profile rail is exposed to larger vibrations, it has to be mounted in a vibration-reducing manner. Please follow the provisions of DIN EN 60034-14 (IEC34-14). - Page 13 Air Flow Monitoring Operating Instructions for the Air Flow Sensors and Monitors of Series F3.xEx SIL1 and NLSW45-3Ex SIL1 Please find the relation between air flow and switching position of the potential-free switcher below: Flow ≥ Threshold value Signal output switches yellow LED „airflow“...
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