Operating Manual Extension for
Contents
1. Voltage MiniAir6 Ex Frequency MiniAir60 Ex 0 6 to 20 m s 0 8 to 40 m s 1 0 to 80 m s 0 4 to 20 m s 0 6 to 40 m s 0 8 to 80 m s 0 2 to 20 m s 0 4 to 40 m s NA 4 00 start up value to 20 mA Load resistor lt 500 Ohm 0 0 start up value to 2 0 Vpc 0 0 to xx Hz according to vane and measuring range BDA_MiniAir6x Ex_en_v13 doc Page 8 16 5 3 Intrinsically Safe Power Circuit Type 9001 01 086 010 101 Uo 8 6V lo 10 mA Po 21 5 mW Lo lIC 300 mH CyIIC 6 2 UF Rs 899 Ohm Fuse 160 mA medium lag 5 4 Calibration certificates Optional and on demand Certificates of calibration according to ISO IEC 17025 SCS 046 Airflow are available for MiniAir6 Ex 60 Ex or 64 Ex instruments BDA MiniAir6x Ex en v13 doc Page 9 16 6 Plug Assignment 6 1 Sensor Port Input Output LEMO socket Pin assignment Pin 1 NC not used Pin 2 GND Pin 3 Sensor signal Plug housing Screen Important The input output sensor is conducted through an intrinsically safe power circuit gt see 5 3 On one hand Pin 3 is used to supply intrinsically safe the sensor On the other hand the sensor is modulating the current consumption at Pin 3 with the frequency generated by the impeller s rotation speed This is valid for all types of sensors The conversion into a voltage TTL or current signal will be carried out in the MiniAir transmitter BDA_MiniAir6x Ex_en_v132. Operating Manual Extension for Vane Anemometer MiniAir6 60 64 Ex Article no 93 50x Type g 641 6xs yyy Micro g 642 6xs yyy Mini g 648 6xs yyy Macro x Il 1 2 G Ex ia IIC Issue date June 2008 For Sensor and Article no 93 Type Micro O Mini O Macro O Electronics Serial no Type MiniAir Ex Range m s BDA MiniAir6x Ex en v13 doc Page 1 16 Table of contents MES ruso TU TA NO Me 3 2 Contentor Delve coude vu ri doa edades ae ovi a E a REESE 5 33 Intended USE m 5 4 Method of TMedsHle el sous ia pio Sera bin ee brote qu aeons deiude idet i dues 6 a x FIOM SENSOR TYPE oa AAA ARE ELA NIA NANA titio a a dp t tA AR nU te 6 4 2 Power Supply Transmitter Type 9 64X us ase dete aet seeds M Heo ns 7 5 Technical Didaci one ee rere cett M M KANA CEA LE ern 8 5 1 Power Supply and Transmitter sostiene dtp edt elvat sd tele tiens dau uade 8 52o hIOW Measurement onines pepe e e E asp O cue pna 8 5 3 Intrinsically Safe Power Circuit aecesoctesectr d er ET reti de R ye ERE Co Debe br estime Pd 9 54e GAIA ll ON certificates dunean dubita ssot eua Reset en oan us Qus Sut oem DS OE 9 Ge MAASI MA aiite toties ie idees edite bini bio bise ane iicet ibas 10 6 1 Sensor Fort4lnpulb OUI DU ax aciasansaasdanve chal inshasdvaas thes aeos bua tend a ne 10 6 2 Power Supply and Signal Output Input Output ssssssssseese 11 6 3 Potential Equalisation Port cus mdetdibodute llt Sa Cotel cbe maima
3. 3 doc Page 14 16 11 2 BVS 04 ATEX E 194 For air flow sensor type f 6 2 pages e BVS 04 ATEX E 194 G Equi l gssensor type f 6 and 72 m the si x X is Lind BDA_MiniAir6x Ex_en_v13 doc Page 15 16 v EXAM BBG Pr f und Zertifizier GmbH 13 Appendix to 4 EC Type Examination Certificate BVS 04 ATEX E 194 15 15 1 Subject and type Flow sensor type f 6 and f 72 15 2 Description Flow sensors type f 6 measure the flow rate of air or liquids The rotation of a impeller driven by the flow is measured A nearly completely potted electronic board transforms the value if the rotation into an electric signal A temperature sensitive resistor is also mounted The temperature sensors type f 72 have temperature sensitive resistors in different sensor heads 15 31 Fa I Parameters 15 3 1 Electrical data at the 5 pin plug with reference to pin 5 ground Nominal ratings Nominal voltage Un DC 5 15 V Nominal current ly l mA safety related maximum values voltage u DC 18 V current sum i DC 10 mA power sum P 110 mW 16 Test and assessment report BVS PP 04 2132 EG as of 30 August 2004 17 Special conditions for safe use none We confirm the correctness of the translation from the German original In the case of arbitration only the German wording shall be valid and binding 44809 Bochum 30 August 2004 BVS Ad Kw A 20030760 EXAM BBG Pr f und Zertifizier GmbH A 7 x L
4. S poss 15s 5 Certification body Special services Page 2 of 2 BVS 064 ATEX E 194 This certificate may only be reproduced in its entirety aad without c c Dinnendahistrasse 9 44809 Bochum Germany Phone 49 201 172 3947 Fax 49 201 172 3948 until 31 05 2003 Deutsche Montan Technologie GmbH Am Technoloyiepatk 1 45307 Essen Germany BDA MiniAir6x Ex en v13 doc Page 16 16
5. accordingly 10 Warranty For warranty information please refer to the standard Operating Instruction BDA MiniAir6x Ex en v13 doc Page 12 16 11 Certificates 11 1 SEV 08 ATEX 0135 For power supply and transmitter 2 pages Supply and analyzing unit MiniAir6x 5 Schiltknecht Messtechnik AG 6 Address Industriestrasse 13 CH 8625 Gossau ZH 7 TOSIA MNT NI MOORE ROMA Siac oe TITI chedule certificate and the documents therein referred to 8 End aii tia EU BU Minen fhe Baari Tund ta conn diih ie uem Kasika dive rapit ment and x type 9 64x 6x yyy to this The results of the examination are recorded in confidential report No O8 1K O184 01 9 i AA Aa mir 1127 1 2007 F r hamaki SH aandaa Ri in EM RDUM UNT RE i integrated components adures of the uo ihid UM placed Aer Tiii edle nnib r it indicates that the equipment is subject to special conditions for safe use specified in the schedule to this certificato ay rmity Statement relates only to the design and construction of the specified accor with Directive 94 9 EC Further requirements of this directive apply ture nih placing on e market o is equmen wama Ex la ic ion Body ATEX Fehraltorf 2008 07 29 et BDA MiniAir6x Ex en v13 doc Page 13 16 a npe d 1 G ich 2 ch acting 1o 2 hrpenieilile ential kampeni sign lb tio MR BDA_MiniAir6x Ex_en_v1
6. doc Page 10 16 6 2 Power Supply and Signal Output Input Output Combicon screw terminal see picture below Terminal 1 Power supply U Terminal 2 Power supply GND Terminal 3 Flow signal Terminal 4 Flow signal GND Terminal 5 GND Terminal 6 Shield Note to terminal 3 Depending on the type MiniAir 6 60 or 64 terminal 3 has a voltage frequency or current output 6 3 Potential Equalisation Port Screw terminal see picture below Terminal PA Potential equalization BDA MiniAir6x Ex en v13 doc Page 11 16 7 Measures weights and IP protection Power supply and Transmitter Weight 600 gr Measures 130 x 175 x 45 mm LxWxH IP protection IP 40 8 Assembly The device can be attached using the four boreholes in the corners of the housing The sensor is inserted into the 3 pole LEMO socket The power supply and signal output are connected to the screw terminal During installation and operation the potential equalisation terminal must be connected to earth with at least 4mm The device may be used only outside of potentially explosive atmospheres 9 Operation and Maintenance After the connection of the ports described above the device is immediately ready for operation A green LED signalises the state ready for operation Please also refer to the standard Operating Instruction Please note This device is a precision measurement device and should be handled
7. er circuit limits the voltage and current to values at which the sensors with the same values can be used in the intrinsically safe type of protection in explosive atmospheres Type designation of the possible variants MiniAir6 g 64x 6s yyy Voltage output signal MiniAir60 g 64x 60s yyy Frequency output signal MiniAir64 g 64x 64s yyy Current output signal The full scale value of the analogue output signal for the current or voltage output is always the same for all impeller sizes and measuring ranges The frequency output varies for all types The output signals can also be customised to have other values like 0 20mA 0 5Vdc or O 10Vdc BDA_MiniAir6x Ex_en_v13 doc Page 7 16 5 Technical Data 5 1 Power Supply and Transmitter Art No Type Micro Mini Macro Type of explosion protection Serial No SN Power supply Voltage output Current output Frequency output Current consumption Voltage output Current output Frequency output 5 2 Flow Measurement 93 XXXX g 641 6xs yyy g 642 6xs yyy g 648 6xs yyy x II 1 2 G Ex ia IIC please see first page 9 0 to 24 Vpc smoothed Um 250V 9 0 to 24 Vpc smoothed Umz250V 5 0 to 24 Vpc smoothed Um 250V approx 15 mA approx 35 mA approx 15 mA approx 10 mA for front LED included Standard measuring ranges optional others on special request Output signal Micro Mini Macro Current MiniAir64 Ex
8. ll above listed documents BDA MiniAir6x Ex en v13 doc Page 3 16 Do not install and operate the Ex instrument if you don t have at least the documents according to letter a to c listed above e Never install and or operate an Ex certified instrument in zone 1 when it has been obviously damaged during transportation e Never expose the instrument in ambient conditions which are not covered by the specifications in the standard Operating Instruction e A licensed and specially trained electrician is required to install Ex certified equipment e Maximum Ratings for temperature and humidity please see standard Operating Instructions under title Technical Data e For the guarantee provisions please see standard Operating Instructions under Guarantee e Other applied standards EMC EN 1127 1 2007 BDA_MiniAir6x Ex_en_v13 doc Page 4 16 2 Content of Delivery The content of delivery each package unit consists of the following 1 Flow sensor MiniAir6x Type f 6xx with assembled LEMO connector 1 Explosion protection certificate for the flow sensor MiniAir6x 1 Signal converter unit MiniAir6x Ex Type g 64x with intrinsically safe power circuit installed in an aluminum housing dimensions 130 x 175 x 45mm 1 Explosion protection certificate for the signal converter unit MiniAir6x Ex 1 Connecting screw terminal 6 pole Combicon 1 Operating instructions Use
9. mu 11 7 Measures weights arid IP protectlO L secs e eec rci cie i aal Rs 12 MEE C no ve EC IE M NE 12 9 Operation and Maintenance sx 8 coset es xti tit eH ages eee es 12 TO Warranty add eed treo osa da MALEWA Ui WAWA ted c a Ben E ticles MA binned 12 Ti Oe HL gt ede rete Nee AAA EE C M E i 13 i Be Mle AAA Bot oiseau re ORR UEC ER KURA ROR ee 13 VIZ BY SOF ATEX E TIS etas oot a rae aha Sala ae Rte 15 Revision history Date Doc Ver HW Ver Reason for revision 30 06 2008 1 0 2 0 New issue 27 08 2008 1 1 2 0 Minor text and format changes 29 08 2008 1 2 2 0 Certificates attached minor text improvements 01 09 2008 1 3 2 0 Measures weights IP protection attached BDA MiniAir6x Ex en v13 doc Page 2 16 1 Introduction Dear Customer Thank you for trusting in our products This Instrument has been produced calibrated inspected and packed using our high quality standards based on ISO 9001 2000 EN 13980 ATEX and ISO IEC 17025 SCS 046 Airflow The MiniAir6x Ex is an instrument certified for use in different zones according to the 2 certificates attached at the end of this manual extension one for the Sensor for use in zone 1 and one for the electronics for use strictly outside of any hazardous zone The certificates are integral parts of this manual extension and its contents will have absolute priority in case of discrepancies between manual extension and certificates This User Manual Extension a
10. nd the certificates are extensions to the standard Operating Instructions for MiniAir6 MiniAir6 0 and MiniAir64 products The instructions maximum ratings and technical data in the different delivered documents must be read and or understood in the following ranking e Priority 1 All certificates e Priority 2 This manual extension e Priority 3 The standard Operating Instruction Therefore to maintain the perfect condition of the Schiltknecht Messtechnik AG SMAG instrument sensor s electronics and optional parts and to guarantee an error free function application and operating safety we strongly recommend to read carefully all manuals operating instructions manual extensions and certificates before starting any installation and operation of this instrument Also please take care of the following additional important instructions Important notes and instructions please also see the Important notes in the standard Operating Instruction e The following documents should be part of the package content a The standard Operating Instruction for your MiniAir6 60 or 64 b This User Manual Extension for MiniAir6x Ex products including all copies of certificates C Copy of the ATEX Quality Inspection Protocol QM form 15 02 07 for your instrument d SM or SCS Calibration Certificate if you ordered one of these options Please inform your SMAG sales office or agent immediately if you didn t receive a
11. r Manual Extension this document other Certificates 3 Intended Use This device measures the air flow in Ex zone 1 from 0 to 20 40 or 80 m s other ranges are optional using a sensor with an impeller having explosion protection certification The signal converter electronics has a built in intrinsically safe barrier Strictly mount these electronics only outside hazardous zones Do not use the instrument in an application where any air velocities higher than 12096 of the specified full scale must be expected Do not use the instrument for gases and air with a temperature higher than specified by the Ex certificate and or the Operating Manual The instrument has mechanically very sensitive bearings Also the impeller is sensitive against mechanical shocks therefore e Never touch the impeller with hands or other solid parts e Never try to adjust yourself the manufacturer settings of the bearings Sensor cable and LEMO connector are one unit specified by the Ex certificate Never do shorten or extend the cable yourself Never use the instrument to measure any types of liquids BDA MiniAir6x Ex en v13 doc Page 5 16 Method of Measurement 4 1 Flow Sensor Type f 6xx The snap head converts the air velocity into a rotation of the impeller whose RPM is mainly proportional to the air velocity Depending on the number of blades and the size of the snap head a frequency can be detected
12. with electronic means The frequency detecting sensor operates with a magnetic field of high frequency gt 1 MHz and is free of any reactivity to the impeller s rotational frequency The measured frequency will be transmitted to the electronics MiniAir6 having a voltage output typ O 2 volts MiniAir60 having a frequency output typ O XXXX Hz MiniAir64 having a current output typ 4 20 mA plus corresponding start up value according to the table under par 5 2 Since flow velocities below the mechanical start up of the impeller cannot be measured this missing part is added to the output signal voltage and current outputs only Consequently there is no absolute zero output 0 0 volts or 4 00 mA even if the air velocity is zero or below the impeller s start up value the impeller is at a standstill Typical frequencies Hz 15 m s for different snap heads and its full scale ranges Full scale ranges 20m s 40m s 80m s Micro snap head 2180 1070 515 Mini snap head 1336 666 334 Macro snap head 710 355 NA r 7 Micro Mini Macro BDA_MiniAir6x Ex_en_v13 doc Page 6 16 4 2 Power Supply Transmitter Type g 64x This unit contains the sensor power supply and signal converter electronics for the velocity measurement The analyzing unit converts the input signal from the sensor into a frequency voltage or current according to the measuring range of the sensor The intrinsically safe pow
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