Quick Start Guide Supplement
D104148X012
DLC3020f
July 2020
NEPSI Hazardous Area Approvals for Fisher
™
FIELDVUE™ DLC3020f Digital Level Controller
This supplement provides NESPI Hazardous Area Approval information for the DLC3020f digital level controller.
NEPSI—National Supervision and Inspection Centre for Explosion Protection and Safety of Instrumentation. NEPSI
approval is accepted in China.
These special instructions for “safe use” are in addition to, and may override, the standard installation procedures.
Certain nameplates may carry more than one approval, and each approval may have unique installation/wiring
requirements and/or conditions of “safe use”. Special instructions are listed by approval.
Refer to the DLC3020f quick start guide, D103470X012
regarding the DLC3020f digital level controller. If additional information regarding these products is required, please
contact your Emerson sales office
Note
This information supplements the nameplate markings affixed to the product.
Always refer to the nameplate itself to identify the appropriate certification.
.
or instruction manual, D103434X012 for all other information
WARNING
Failure to follow these conditions of “safe use” could result in personal injury or property damage from fire or explosion,
and area re‐classification.
Intrinsically Safe
Certificate Number GYJ20.1041X
Ex ia IIC T5/T6 Ga
Ex iaD 20 T87/T80
Conforms to:
GB 3836.1-2010 Explosive atmospheres - Part 1: Equipment - General requirements
GB 3836.4-2010 Explosive atmospheres - Part 4: Equpment protection by intrinsic safety “i”
GB 3836.20-2010 Explosive atmospheres - Part 20: Equipment with equipment protection level (EPL) Ga
GB 12476.1-2013 Electrical apparatus for use in the prsence of combustible dust - Part 1: General requirements
GB 12476.4-2010 Electrical apparatus for use in the presence of combustible dust - Part 4: Protection by intrinsic
safety “iD”
Special Conditions for Safe Use
The suffix “X” placed after the certificate number indicates that this product is subject to special conditions for safe
use, that is:
www.Fisher.com
DLC3020f
July 2020
Quick Start Guide Supplement
D104148X012
For EPL Ga applications, at the metallic parts of the products made of light metal there is a danger of ignition by
impact or friction.
Conditions for Safe Use
1. The external earth connection facility shall be connected reliably.
2. This product should be used in explosive gas atmospheres/combustible dust atmospheres together with approved
associated apparatus, follow the instruction manual of this product and associated apparatus when connecting the
wiring. Connect the wiring terminals correctly.
3. The intrinsically safe parameters are shown as follows:
Ui (V) Ii (mA) Pi (W) Ci (nF) Li (mH)
24 380 1.4 5 0
17.5* 380* 5.32* 5* 0*
Note: * Meet the requirements of a FISCO device.
4. Connecting cable between this product and associated apparatus should be insulated screen cable; connect
the cable screen functionally to earth ground.
5. Clean the surface of this product whenever used in combustible dust atmosphere.
6. After installation, degree of protection of enclosure is at least IP66 according to GB4208-2008.
7. The user shall not change the configuration in order to maintain/ensure the explosion protection performance of
the equipment. Any change may impair safety.
8. For installation, use and maintenance of this product, the end user shall observe the instruction manual and the
following standards:
GB50257-2014 “Code for construction and acceptance of electric device for explosion atmospheres and fire hazard
electrical equipment installation engineering”.
GB3836.13-2013 “Explosive atmospheres- Part 13: Equipment repair, overhaul and reclamation”.
GB3836.15-2017 “Electrical apparatus for explosive gas atmospheres- Part 15: Electrical installations in hazardous
area (other than mines)”.
GB3836.16-2017 “Electrical apparatus for explosive gas atmospheres- Part 16: Inspection and maintenance of
electrical installation (other than mines)”.
GB3836.18-2017 “Explosive atmospheres-Part 18: Intrinsically safe system“.
GB15577-2018 “Safety regulations for dust explosion prevention and protection”. (Only if installed in dust
hazardous areas).
Flameproof
Certificate Number GYJ20.1039X
Ex d IIC T5/T6 Gb;
Ex tD A21 IP66 T87_C/ T80_C
Conforms to:
GB 3836.1-2010 Explosive atmospheres - Part 1: Equipment - General requirements
GB 3836.4-2010 Explosive atmospheres - Part 4: Equpment protection by intrinsic safety “i”
GB 12476.1-2013 Electrical apparatus for use in the prsence of combustible dust - Part 1: General requirements
GB 12476.5-2010 Electrical apparatus for use in the presence of combustible dust - Part 5: Protection by enclosures
“tD”
Special Conditions for Safe Use
The suffix “X” placed after the certificate number indicates that this product is subject to special conditions for
safe use, that is:
For information on the dimensions of the flameproof joints contact the manufacturer.
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Quick Start Guide Supplement
D104148X012
DLC3020f
July 2020
Conditions for Safe Use
1. The external earth connection facility should be connected reliably.
2. Electrical data: 32V max.
3. As the flameproof product, suitable certified cable glands or blanking plugs for unused holes approved by ExTL
according to GB3836.1-2010 and GB3836.2-2010 with Ex marking “Ex d IIC Gb” shall be used and correctly
installed; as the dust product, suitable certified cable glands or blanking plugs for unused holes approved by ExTL
according to GB12476.1-2013 and GB12476.5-2013 with Ex marking “Ex tD A21 IP66” shall be used and correctly
installed, after installation, degree of protection of enclosure is at least IP66 according to GB4208-2008.
4. Any maintenance shall be performed only when the warning of “Do not open when energized” is observed.
5. Clean the surface of this product whenever used in combustible dust atmosphere.
6. Use the connection cable which is at least endurance to 87_C when wiring.
7. The user shall not change the configuration in order to maintain/ensure the explosion protection performance of
this product. Any change may impair safety.
8. For installation, use and maintenance of this product, the end user should observe the instruction manual and
the following standards:
GB50257-2014 “Code for construction and acceptance of electric device for explosion atmospheres and fire hazard
electrical equipment installation engineering”.
GB3836.13-2013 “Explosive atmospheres- Part 13: Equipment repair, overhaul and reclamation”.
GB3836.15-2017 “Electrical apparatus for explosive gas atmospheres- Part 15: Electrical installations in hazardous
area (other than mines)”.
GB3836.16-2017 “Electrical apparatus for explosive gas atmospheres- Part 16: Inspection and maintenance of
electrical installation (other than mines)”.
GB15577-2018 “Safety regulations for dust explosion prevention and protection”. (Only if installed in dust
hazardous areas)
Type n
Certificate Number GYJ20.1040
Ex nA IIC T5/T6 Gc;
Ex tD A21 IP66 T87_C/ T80_C
Conforms to:
GB 3836.1-2010 Explosive atmospheres - Part 1: Equipment - General requirements
GB 3836.8-2014 Explosive atmospheres - Part 8: Equpment protection by type of protection “n”
GB 12476.1-2013 Electrical apparatus for use in the prsence of combustible dust - Part 1: General requirements
GB 12476.5-2013 Electrical apparatus for use in the presence of combustible dust - Part 5: Protection by enclosures
“tD”
Conditions for Safe Use
1. The external earth connection facility should be connected reliably.
2. Electrical data: 32V max.
3. As “nA” product, suitable certified cable glands or blanking plugs for unused holes approved by ExTL according to
GB3836 shall be used and correctly installed; as the dust product, suitable certified cable glands or blanking plugs
for unused holes approved by ExTL according to GB12476.1-2013 and GB12476.5-2013 with Ex marking “Ex tD A21
IP66” shall be used and correctly installed, after installation, degree of protection of enclosure is at least IP66
according to GB4208-2008.
4. Any maintenance shall be performed only when the warning of “Do not open when energized” is observed.
5. Clean the surface of this product whenever used in combustible dust atmosphere.
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DLC3020f
July 2020
Quick Start Guide Supplement
D104148X012
6. Use the connection cable which is at least endurance to 87_C when wiring.
7. The user shall not change the configuration in order to maintain/ensure the explosion protection performance of
this product. Any change may impair safety.
8. For installation, use and maintenance of this product, the end user should observe the instruction manual and
the following standards:
GB50257-2014 “Code for construction and acceptance of electric device for explosion atmospheres and fire
hazard electrical equipment installation engineering”.
GB3836.13-2013 “Explosive atmospheres- Part 13: Equipment repair, overhaul and reclamation”.
GB3836.15-2017 “Electrical apparatus for explosive gas atmospheres- Part 15: Electrical installations in
hazardous area (other than mines)”.
GB3836.16-2017 “Electrical apparatus for explosive gas atmospheres- Part 16: Inspection and maintenance of
electrical installation (other than mines)”.
GB15577-2018 “Safety regulations for dust explosion prevention and protection”. (Only if installed in dust
hazardous areas)
Neither Emerson, Emerson Automation Solutions, nor any of their affiliated entities assumes responsibility for the selection, use or maintenance
of any product. Responsibility for proper selection, use, and maintenance of any product remains solely with the purchaser and end user.
Fisher and FIELDVUE are marks owned by one of the companies in the Emerson Automation Solutions business unit of Emerson Electric Co. Emerson
Automation Solutions, Emerson, and the Emerson logo are trademarks and service marks of Emerson Electric Co. All other marks are the property of their
respective owners.
The contents of this publication are presented for informational purposes only, and while every effort has been made to ensure their accuracy, they are not
to be construed as warranties or guarantees, express or implied, regarding the products or services described herein or their use or applicability. All sales are
governed by our terms and conditions, which are available upon request. We reserve the right to modify or improve the designs or specifications of such
products at any time without notice.
Emerson Automation Solutions
Marshalltown, Iowa 50158 USA
Sorocaba, 18087 Brazil
Chatham, Kent ME4 4QZ UK
Dubai, United Arab Emirates
Singapore 128461 Singapore
www.Fisher.com
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E 2015, 2020 Fisher Controls International LLC. All rights reserved.
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