Yokogawa RAKD - Manual (Page 53)

<8. EXPLOSION-PROTECTED TYPE INSTRUMENTS>
8-7
IM 01R01B30-00E-E 5th edition January 01, 2013 -00 All Rights Reserved. Copyright © 2003, Rota Yokogawa
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Limit switch SC2-NO type 2
I = 25mA
P = 64mW
L = 0.15mH
C = 150nF
IECEx DEK 12.0003X
Ex ia IIC T6...T4 Gb
U = 16V
EN 60947-5-6 (NAMUR)
Limit switch
RAKD - T80
IECEx PTB 11.0031X
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
Power supply 230V AC
Limit switch MIN
Limit switch MAX
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2
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BU
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2
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10
12
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14 15
MIN
F
MAX
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U
Hazardous Area Safe Area
F4.EPS
Fig. 8-3 Ex-Version acc. IECEx (Option /ES1) 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
Puls output
Ex ia IIC T6...T4 Gb U = 10.6V
L = 0.15mH
C = 150nF
U = 16V
I = 25mA
P = 64mW
L = 97mH
C = 2320nF
I = 19.1mA
P = 51mW
Limit switch
SC2-NO type 2
EN 60947-5-6 (NAMUR)
Limit switch or
Pulse output
KFA6-SR2-Ex1.W
KFA6-SR2-Ex1.W
Transmitter relay
[EEx ia] IIC
4-20mA output
I = 100mA
U = 30V
L = 0.73mH
C = 2.4nF
P = 0.75W
Ex ia IIC T6...T4 Gb
RAKD-E80 Option /ES1
Transmitter power supply
certified acc. IECEx
Output
4-20mA
Power supply
230V AC
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BU
1 K
15 K
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14
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BN 1
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IN
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IN
10
OUT
4
OUT
9
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U
F
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T T
Hazardous Area Safe Area
IECEx DEK 12.0003X IECEx DEK 12.0003X IECEx PTB 11.0031X
IECEx DEK 12.0003X
Fig. 8-4 Ex-Version acc. IECEx (Option /ES1) with electronic transmitter in combination with
power supply and additional limit switch or pulse output with transmitter relay
8.3.2 Installation