YOKOGAWA RAKD series, User Manual, Page: 49 / 72

<8. EXPLOSION-PROTECTED TYPE INSTRUMENTS>
8-5
IM 01R01B30-00E-E 6th edition October 01, 2014 -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
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MAX
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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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1 K
15 K
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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