IECEx Gert¡f¡cate
of Gonformity
INTERNATIONAL ELECTROTECHNICAL COMMISSION
IEC Gertification Scheme for Explosive Atmospheres
for rules and details of the IECEx Scheme visit www.tecex.com
Certificate No.:
IECEx SIR 09.0098X
Status:
Gurrent
Date of lssue:
2014-07-02
Applicant:
Topwon lnc.
9pftjlqalç lrtsþry, .
lssue No. 10 (2014-7-2)
lssue No. I (2014-6-6)
lssue No. I (2014-2-21)
lssue No.7 (2013-5-23)
lssue No.6 (2013-1-14)
lssue No. 5 (2012-9-4)
lssue No. 4 (2012-5-2)
lssue No. 3 (2012-3-23)
lssue No. 2 (2011-6-7)
lssue No. 1 (2010-5-7)
lssue No. 0 (2009-1028)
issue No.:10
Page 1 of6
3300 Fern Valley Road
Louisville
Kentucky 402'13
United States of America
Electrical
DX* -**0****0000***** Switch
þparatus:
box
Optionalaccessory.'
Type of
Protection:
Marking:
lntrinsic safety and dust
Refer to the Annexe for marking
Approved for issue on behalf of the
Ceñification Body:
IECEx
Position:
C Ellaby
Deputy Certification Manager
n
Signature:
(for printed version)
Zot
Date:
1. This certificate and schedule may only be reproduced in full
2. This certificate is not transferable and remains the property of the issuing body.
3. The Status and authenticig of this certifìcate may be verified by visiting the Offìcial IECEx Website
Certificate issued by:
SIRA Gertification Service
Rake Lane
Eccleston
Ghester
CH4 9JN
United Kingdom
srra
I
CERTIFICATION
IECEx Cert¡f¡cate
B
of Conformity
Certificate No
IECEx SIR 09.0098X
Date of lssue:
2014-07-02
lssue No.: 10
Page 2 of 6
Topworx lnc
Manufacturer:
3300 Fern Valley Road
Louisville
Kentucky 4021 3
United States of America
Additional Manufacluring location(s):
This certificate is issued as verification that a sample(s), representative of production, was assessed and tested and
found to comply with the IEC Standard list below and that the manufacturer's quality system, relating to the Ex products
covered by this certificate, was assessed and found to comply with the IECEx Quality system requirements. This
certificate is granted subject to the conditions as set out in IECEx Scheme Rules, IECEx 02 and Operational Documents
as amended.
STANDARDS:
The electrical apparatus and any acceptable variations to it specified in the schedule of this certificate and the identified
documents, was found to comply with the following standards:
IEC 60079-0 : 2004
Electrical apparatus for explosive gas atmospheres - Part 0: General requirements
Edition: 4.0
IEC 60079-0 :2007-10
Explosive atmospheres - Part 0:Equipment - General requirements
Edition: 5
IEC 60079-11 :2006
Explosive atmospheres - Part 11: Equipment protection by intrinsic safety "i"
Edition: 5
IEC 60079-26 : 2006
Explosive atmospheres - Part 26: Equipment with equipment protect¡on level (EPL) Ga
Edition: 2
IEC 60079-31 : 2008
Edition: I
Explosive atmospheres
-
Part 31 : Equipment dust ignition protect¡on by enclosure 't'
This Certificate does not indicate compliance with electrical safety and peiormance requirements other than those
expressly included in the Standards listed above.
TEST & ASSESSMENT REPORTS:
A sample(s) of the equipment listed has successfully met the examination and test requirements as recorded in
Test Report:
GB/SlF/ExTRO9.01 73100
GB/S FVExTRI 1 .0297 I 00
GB/S FVExTRI 2.021 I I 00
I
I
GB/Sl RiExTRl 0.0097/00
GB/S R/ExTR I 1 .02981 00
GB/S R/ExTR 1 3.0040 t 02
GB/SlR/ExTRl 1.0124100
GB/StRVQARo7.0025t02
GB/SrR/QARo7.0025105
GB/StR/OARo7.OO251O3
I
I
1 2.00921 00
GB/Sl R/ExTR1 4.0037/00
GB/S I RVExTR
Qualitv Assessment Reoort:
GB/Sf RVQARoT.0025t01
GB/StFvQARo7.0025t04
IECEx Cert¡f¡cate
of Gonformity
Certificate No.:
IECEx SIR 09.0098X
Date of lssue:
2014-07-02
lssue No.:
l0
Page 3 of 6
Schedule
EQUIPMENT:
Equipment and sysfems covered by thís certificate are as follows:
to be fìtted to a valve, damper or actuator to give a current
(a-20m4) of its position to a control system - PLC or DCS. A digital signal (HART Protocol) is superimposed on the
current signal to give feedback digitally of the position and health of the assembly as well as the ability to calibrate
the unit via a hand-held device.
There are three enclosure material
DXP - aluminium alloy
DXS - 316 stainless steel
DXR - resin (Valox)
On top of all units, the valve position is given by a visual indicator, enclosed ¡n a transparent plastic cover.
options:
CONDITIONS OF CERTIFICATION: YES as shown below:
to
IECEx Gert¡f¡cate
B
of Conformity
Certificate No.
IECEx SIR 09.0098X
Date of lssue:
2014-07-02
lssue No.: 10
Page 4 of 6
EQUIPMENT(continued):
The DX*-"H.... and DX*-*X.... versions of the Switchbox contain a 4-20 mA board (HART or non-HART respectively),
which has the following safety description:
Ui=28V
li = 100 mA
Pi =0.7W
Ci =14nF
Li = 2.06 mH
ln addition to the 4-20 mA board, the equipment may contain up to two additional devices, which are simple
mechanical switches or NAMUR sensors. The simple switches have a maximum input power (Pi) of 1.3 W from an
intrinsically safe supply. The NAMUR sensors are covered by the following certificate
.-.Y1 .-....../...
IECEx KEM 06.0036X Turck two wire proximity sensor, type .
IECEx PTB 11 0021X P+F Cuboidal lnductive proximity Sensor, type NJ2-V3-N... (input types I, 2 & 3)
.-
Conditions of manufacture
The Manufacturer shall comply with the following:
The manufacturer shall subject 100% of completed units to the dielectric strength test in IEC 6007911:2006 clauses 6.3.12 and 10.3, by applying a voltage of 500Vrms between all inputterminals and the
outer enclosure for a minimum of 60 s. Alternatively, a voltage of 700 Vrms may be applied for 1 s. The
current flowing during the test shall not exceed 5 mA.
The manufacturer shall supply an up{o-date copy of IECEx KEM 06 0036X and/or IECEx PTB 11.0021X
with each DXx-Nx0>o<xx unit or batch of units supplied.
When the equipment incorporates a 4-20 mA Transmitter Module (lECEx SIR 12.0076U), a TO temperature
class is not permitted. The ambient temperature is limited to a maximum range of -400C to +500C, but this
range may be reduced, depending on the enclosure and gasket type, as well as the internal subassemblies fitted. Additionally, the output from the 4-20m4 Transmitter Module shall only be connected to
a Novotechnic WAL305 potentiometer
4
When the equipment incorporates an ASCO Electro-valve Module type 3021 . lA (lECEx INE 10.0002X),
the maximum ambient temperature range is -40oC to +500C. The lower ambient temperature may be
higher depending on the enclosure type, O-ring material and other modules fÌtted. The certification coding
is "Ex ia llC T4 Ga; Ex tb lllC T70oC Db" The manufacturer shall supply an up{o-date copy of
IECEx INE 10 0002X with each unit or batch of units supplied.
1.
2.
3.
IECEx Gert¡f¡cate
of Conformity
Certificate No.:
IECEx SIR 09.0098X
Date of lssue:
2014-07-02
lssue No.: 10
Page 5 of 6
DETAILS OF CERTIFICATE CHANGES (for issues
lssue
I to lssue
8
-
I
and above):
to
lssue9-th¡slssue ntroduced the followinq chanqe:
two
I
Co. Ltd
Fisher Controls Division
Bao Heng Technology lndustry Park
locations:
Emerson Process Management Magyarorszag Kfr.
Fisher Controls lntemational LLC
H€001 Székesfehérveár
Berenyi U
North Hong Long 2nd Road
District 68
Bao'an District
Shenzhen 5'18101
72-100
Hungary
China
1
ExTR number GB/SIRfExTR13.0040102 replaced
C
IEGEx Gert¡f¡cate
B
of Gonformity
Certificate No
IECEx SIR 09.0098X
Date of lssue:
20'14-07-02
lssue No.: 10
Page 6 of 6
Additional information:
The user and installer shall comply with the following Conditions of Certification
The DXP version of the Switchbox has an enclosure that is manufac-tured from aluminium alloy. ln rare
cases, ignition sources due to impact and friction sparks could occur. This shall be considered when the
equipment is installed, especially in zone 0 locations.
The DXR version of the Switchbox has an enclosure that is manufactured from a non-conductive plastic
that may generate an ignition-capable level of electrostatic charge. Therefore the equipment shall not be
installed in a location where the external conditions are conducive to the build-up of electrostatic charge on
such surfaces. This is particularly important if the equipment is installed in a zone 0location. ln addition,
the equipment shall only be cleaned with a damp cloth.
The switchbox may contain simple switches, which shall have a maximum input power (Pi) of 1.3 W for T4
or 0.7 W for T6 from an intrinsically safe supply.
The Switchbox may contain the following IECEx-certified device:
/.... covered by IECEx KEM 06.0036X.
Turcktwowire proximitysensor, type...- .
P+F Cuboidal inductive proximity sensor, type NJ2-V3-N. , covered by IECEx PTB'1 1.0021X
P&F slot-type initiators, types SJ... & SC , covered by IECEx TUN 04 0016X.
4-20 mA Transmitter Module, covered by IECEx SIR 12.0076U
ASCO Electro-valve Module type 3021....I4, covered by IECEx INE 10.0002X
lf fitted, the installer shall confirm which certified sub-assembly is contained within the Switchbox and
ensure compliance with the entity parameters with the appropriate certiflcate.
The supplies to the 4-20 mA board, switches and/or sensors shall be installed as separate intrinsically safe
circuits.
The DXR (resin) enclosure shall only be installed in a location where there is a low risk of mechanical
damage.
For a T6 temperature class, the Turck proximity sensors listed in certificate IECEx KEM 06.0036X shall
have maximum input parameters as follows:
Type AX & GX: Ui = 15V, li = 20m4, Pi = 200mW.
All other sensors: Ui = 15V, li = =60mA, Pi = 130mW.
For a T6 temperature class, the P&F Slot-type initiators SJ... and SC... listed in certificate IECEx TUN
04.0016X shall have maximum input parameters as follows: Ui = 1ôV, li = 25m4, Pi = 64mW.
For a T4 temperature class, the switchbox may contain simple switch and resistor arrangements, which
shall have a maximum input power (Pi) of 0.7 Wfrom an intrinsically safe supply. These are not permitted
for a T6 temperature class.
1.
2.
3.
4.
-Y1.-
5.
6.
7.
8.
9.
Annex: IECEx SIR 09 0098X_lss10 Annexe.pdf
Annexe to:
IECEx SIR 09.0098X Issue 10
Applicant:
Topworx Inc.
Apparatus:
DXx-xx0* x*
x
o00ox*** switchbox
srra
CERTIFICATION
The certifìcate marking is as follows:
Ex ia IIC T4 Ga/Gb
Ex ia IIC T6 Ga/Gb
Ex tb IIIC 160170oC Db IP67 (DXR enclosures) or IP66|IP67 (DXP or DXS enclosures)
(Ta = -OoC to +@oC)
O
The minimum ambient temperature marking depends on the enclosure/O-ring materials and the sensor used in the construct¡on
@
of the Switchbox, whichever is the highest; the following temperatures are applicable:
-20oC or -25oC or -30oC or -40"C or -50'C
The maximum ambient temperature marking depends on the enclosure/O-ring materials and the sensor used in the construction
of the Switchbox, whichever ¡s the lowest; the following temperatures are applicable:
+50'C or +55oC
Product Description
The Switchbox is designed to be fitted to a valve, damper or actuator to give a feedback of ¡ts position to a
control system, The position of the valve ¡s monitored by various combinations of internal sub-assemblies,
which are reflected in the model number and have the following entity parameters:
4-20 mA board (HART or non-HART)
Mechanical switches
U'
28V
30v
I
P'
100 mA
0.7 w
C'
14 nF
L
2.06 mH
Ceftified devices
Refer to relevant ceftificate
0
0
There are three enclosure mater¡als:
DXP->uO>ooc< - aluminium enclosure
DXR->x0)c(rc( - resin (plastic) enclosure
DXS->xO)coc( - stainless steel enclosure
.
.
.
On top of the unit, the valve position is given by a visual indicator, enclosed in a transparent plastic cover,
common to all models.
Date:
Sira Gertification Service
O2July 2OL4
Form 9530 Issue 1
Page 1
of
1
Rake Lane, Eccleston, Chester, CH4 gJN, England
Tel: +44 (0) 1244 670900
Fax +44 (0) 1244681330
Ema¡l: info(@siracertification.com
Web: www.siracertificat¡on.com
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