<8. EXPLOSION-PROTECTED TYPE INSTRUMENTS>
8-10
IM 01R01B30-00E-E 6th edition October 01, 2014 -00
All Rights Reserved. Copyright © 2003, Rota Yokogawa
8
.
5 Intrinsically safe "ic" RAKD for Category 3G (ATEX
/IECEx) (/KS3, /ES3)
The RAKD with /KS3 or /ES3 is a unit with protection „ic”.
It may be used in hazardous areas of category 3G.
This version is same hardware as intrinsically safe "ia" type (/KS1, /ES1).
Data of electronic transmitter type -E :
Type of protection : Intrinsically safe Ex ic IIC T6-T4 Gc
Ambient temperature: -25°C ... +65°C
Safety relevant maximum values:
Supply (current output):
Maximum voltage:
U
i
= 30 V
Maximum current:
I
i
= 100 mA
Maximum power:
P
i
= 750 mW
Inner inductance:
L
i
= 0.73 mH
Inner capacity:
C
i
= 2.4 nF
Pulse output:
Maximum voltage:
U
i
= 16 V
Maximum current:
I
i
= 20 mA
Maximum power:
P
i
= 64 mW
Inner inductance:
L
i
= 0 mH
Inner capacity:
C
i
= 0 nF
Protection circuit for a power supply to meet the maximum values :
Data of limit switches :
Type of protection : Intrinsically safe Ex ic IIC T6 Gc
Safety relevant maximum values:
SC2-NO (/K1.../K3)
SJ2-S.N (/K6.../K10)
Type 2
Type 3
Type 2
Type 3
Maximale Spannung: U
i
= 16 V
16 V
U
i
= 16 V
16 V
Maximaler Strom:
I
i
= 25 mA
52 mA
I
i
= 25 mA 52 mA
Maximale Leistung:
P
i
= 64 mW
169 mW
P
i
= 64 mW 169 mW
Innere Induktivität:
L
i
= 0.15 mH
0.15 mH
L
i
= 0.1 mH 0.1 mH
Innere Kapazität:
C
i
= 150nF
150nF
C
i
= 30nF
30nF
current limitation
R1
S1 = 200 mA F
+
Po = 0.7 W
to
I o = 100 mA
D 1 = 27 V 5% 24V DC
U o = 28.35 V
“ic”
voltage -
C o= 260 nF
limitation
L o = 8.0 mH
-
R 1=
300 W, 5%, 3W
F2.EPS
RAKD
Summary of Contents for RAKD series
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