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2 installation, 2 installation -4 – Yokogawa RAKD User Manual

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<8. EXPLOSION-PROTECTED TYPE INSTRUMENTS>

8-4

IM 01R01B30-00E-E 5th edition January 01, 2013 -00

All Rights Reserved. Copyright © 2003, Rota Yokogawa

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Limit Switch Type 2

I = 25mA
P = 64mW

L = 0.15mH

C = 150nF

KEMA 00ATEX 1037X

Ex ia IIC T6...T4 Gb
U = 16V

EN 60947-5-6 (NAMUR)

Limit Switches

RAKD - T80

PTB 00ATEX 2081

L = 97mH

C = 2320nF

I = 19,1mA
P = 51mW

Transmitter Relay

KFA6-SR2-Ex2.W

U = 10.6V

Ex ia IIC

KFA6-SR2-Ex2.W

Supply 230V AC

Limit MIN

Limit MAX

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MIN

F

MAX

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U

Hazardous Area

Safe Area

F3.EPS

Fig. 8-1

Ex-Version acc. ATEX (Option /KS1) with 2 limit switches and transmitter relay

Limit switch / Puls

Ex ia IIC T6...T4 Gb
U = 16V

P = 64mW

I = 20mA

C = 0nF

L = 0mH

KEMA 00ATEX 1037X

Puls output

Ex ia IIC T6...T4 Gb

U = 10.6V

KEMA 00ATEX 1037X

L = 0.15mH

C = 150nF

U = 16V

I = 25mA

P = 64mW

PTB 00ATEX 2081

L = 97mH

C = 2320nF

I = 19.1mA

P = 51mW

Limit switch type 2

EN 60947-5-6 (NAMUR)

Limit switch or

Pulse output

KFA6-SR2-Ex1.W

Transmitter relay
Option: /W2A

[Ex ia] IIC

4-20mA output

I = 100mA

U = 30V

KEMA 00ATEX 1037X

L = 0.73mH

C = 2.4nF

P = 0.75W

Ex ia IIC T6...T4 Gb

RAKD-E80 Option /KS1

Option: /UT

Transmitter power supply

PTB 00ATEX 2018

Tamax = 50°C

C = 86nF

L = 5.2mH

RN221N-B1

U = 27.3V

P = 0.597W

[Ex ia] IIC

I = 87.6mA

Output 4-20mA

Power supply
230V AC

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15 K

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2

L/+

N/-

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S

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U

F

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Hazardous Area

Safe Area

Fig. 8-2

Ex-Version acc. ATEX (Option /KS1) with electronic transmitter in combination with

power supply and additional limit switch or pulse output with transmitter relay

8.2.2 Installation