Emerson 644 Instruction Manual download pdf (Page 28)

February 2015

Quick Start Guide

N3 China Type n

Certificate: GYJ101421

Standards: GB3836.1-2000, GB3836.8-2003

Markings: Ex nA nL IIC T5/T6

Special Conditions for Safe Use (X):

1. The relation among T code, ambient temperature range is as following:

When Options do not select Enhanced Performance:

When Options select Enhanced Performance:

2. Maximum input voltage: 42.4V.

3. Cable glands, conduit or blanking plugs, certified by NEPSI with Ex e or Ex n

protection type and appropriate thread type and IP54 degree, should be used on

external connections and redundant cable entries.

4. Maintenance should be done in non-hazardous location.

5. End users are not permitted to change any components inside, but to settle the

problem in conjunction with manufacturer to avoid damage to the product.

6. During installation, use and maintenance of this product, observe the following

standards:

GB3836.13-1997 “Electrical apparatus for explosive gas atmospheres Part 13:

Repair and overhaul for apparatus used in explosive gas atmospheres”

GB3836.15-2000 “Electrical apparatus for explosive gas atmospheres Part 15:

Electrical installations in hazardous area (other than mines)”

GB3836.16-2006 “Electrical apparatus for explosive gas atmospheres Part 16:

Inspection and maintenance of electrical installation (other than mines)”

GB50257-1996 “Code for construction and acceptance of electric device for

explosion atmospheres and fire hazard electrical equipment installation

engineering”

EAC - Belarus, Kazakhstan, Russia

EM Technical Regulation Customs Union (EAC) Flameproof

Certificate: RU C-US.GB05.B.00289

Standards: GOST R IEC 60079-0-2011, GOST IEC 60079-1-2011

Markings: 1Ex d IIC T6…T1 Gb X, T6(-50 °C ≤ T

≤ +40 °C),

T5…T1(-50 °C ≤ T

≤ +60 °C); IP65/IP66/IP68

Special Condition for Safe Use (X):

1. See certificate for special conditions.

IM Technical Regulation Customs Union (EAC) Intrinsic Safety

Certificate: RU C-US.GB05.B.00289

Standards: GOST R IEC 60079-0-2011, GOST R IEC 60079-11-2010

Markings: [HART]: 0Ex ia IIC T4…T6 Ga X; [Fieldbus/PROFIBUS]: 0Ex ia IIC T4 Ga X

Special Condition for Safe Use (X):

1. See certificate for special conditions.

T code Ambient temperature

T5 -40 °C ≤ T

≤ +70 °C

T code Ambient temperature

T6 -60 °C ≤ T

≤ +40 °C

T5 -60 °C ≤ T

≤ +85 °C

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Emerson 644 Instruction Manual Page 28

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