Yokogawa EJA310A Manual de usuario descargar pdf (Pagina 19)

IM 01C21D01-01E

2-11

2. HANDLING CAUTIONS

Model

EJA110A

EJA120A

EJA130A

With code /PE3

EJA310A

EJA430A

EJA440A

With code /PE3

EJA510A

With code /PE3

EJA530A

With code /PE3

Category

Article 3, paragraph 3

(SEP)

Article 3, paragraph 3

(SEP)

Article 3, paragraph 3

(SEP)

III

Article 3, paragraph 3

(SEP)

Article 3, paragraph 3

(SEP)

Article 3, paragraph 3

(SEP)

III

Article 3, paragraph 3

(SEP)

III

Article 3, paragraph 3

(SEP)

III

PS-V(bar-L)

1.6

0.005

4.2

1.6

V(L)

0.01

PS(bar)

160

0.5

420

160

500

*1: PS is maximum allowable pressure for vessel itself.

*2: Referred to Table 1 covered by ANNEX II of EC Directive

on Pressure Equipment Directive 97/23/EC

T0299.EPS

(3) Operation

CAUTION

• The temperature and pressure of fluid should

be applied under the normal operating condi-

tion.

• The ambient temperature should be applied

under the normal operating condition.

• Please pay attention to prevent the excessive

pressure like water hammer, etc. When water

hammer is to be occurred, please take mea-

sures to prevent the pressure from exceeding

PS by setting the safety valve, etc. at the

system and the like.

• When external fire is to be occurred, please

take safety measures at the device or system

not to influence the transmitters.

2.12 Low Voltage Directive

Applicable standard : EN61010-1

(1) Pollution Degree 2

"Pollution degree" describes the degree to which a

soild, liquid, or gas which deteriorates dielectric

strength or surface resistivity is adhering. " 2 "

applies to normal indoor atmosphere. Normally,

only non-conductive pollution occurs. Occasionally,

however, temporary conductivity caused by

condenstaion must be expected.

(2) Installation Category I

"Overvoltage category(Installation category)"

describes a number which defines a transient

overvoltage condition. It implies the regulattion for

impulse withstand voltage. " I " applies to electrical

equipment which is supplied from the circuit when

appropriate transient overvoltage control means

(interfaces) are provided.

1 2 ... 14 15 16 17 18 19 20 21 22 23 24 ... 77 78

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Yokogawa EJA310A Manual de usuario Pagina 19

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