Fisher IM Supplement: NEPSI Hazardous Area Approvals-FIELDVUE DVC2000 Digital Valve Controller | Fisher Manuals & Guides

Instruction Manual Supplement

D104359X012

DVC2000 Digital Valve Controller

March 2018

NEPSI Hazardous Area Approvals

™

Fisher

FIELDVUE™ DVC2000 Digital Valve

Controller

Hazardous Area Classifications and Special Instructions for “Safe
Use” and Installations in Hazardous Locations

Certain nameplates may carry more than one approval, and each approval may have unique installation/wiring
requirements and/or conditions of “safe use”. These special instructions for “safe use” are in addition to, and may
override, the standard installation procedures. Special instructions are listed by approval.

Note

This information supplements the nameplate markings affixed to the product and the DVC2000 quick start guide (D103203X012
and instruction manual (D103176X012

Always refer to the nameplate itself to identify the appropriate certification.

), available from your Emerson sales office, Local Business Partner, or www.Fisher.com.

)

WARNING

Failure to follow these conditions of “safe use” could result in personal injury or property damage from fire or explosion, or
area re‐classification.

Intrinsically Safe

Certificate Number GYJ16.1384X
Ex ia II C T4/T5 Ga

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:
1. 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.
2. At the plastic parts of the products, there is a danger of ignition by electrostatic discharge. Observe manual of
the manufacturer and warning label.

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DVC2000 Digital Valve Controller

March 2018

Instruction Manual Supplement

D104359X012

Conditions for Safe Use

1. The external earth connection facility should be connected reliably.

2. The relationship between temperature class and the ambient temperature is shown as following:

Temperature class Ambient temperature range

T5 -40°C  +40°C

T4 -40°C  +80°C

3. This product should be used in explosive gas 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.

4. Intrinsically safe parameters:

Circuit Ui (V) Li (mA) Pi (W) Ci (nF) Li (mH)

Main 4-20 mA 30 130 1 10.5 0.55

XMTR circuit 28 100 1 5 0

Limit switch 1 (LS1) 16 76 1 5 0

Limit switch 1 (LS2) 16 76 1 5 0

5. Connecting cable between this product and associated apparatus should be insulated screen cable; connect the
cable screen functionally to earth ground.

6. The user shall not change the configuration in order to maintain/ensure the explosion protection performance of
this product. Any change may impair safety.

7. 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”.
GB3836.15-2000 “Electrical apparatus for explosive gas atmospheres-Part 15: Electrical installations in hazardous
area (other than mines)”
GB3836.16-2006 area “Electrical apparatus for explosive gas atmospheres-Part 16: Inspection and maintenance of
electrical installation (other than mines)”.
GB3836.18-2010 “Explosive atmospheres-Part 18: Intrinsically safe system”.

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.

FIELDVUE and Fisher 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
Cernay, 68700 France
Dubai, United Arab Emirates
Singapore 128461 Singapore

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