<7. EXPLOSION-PROTECTED TYPE INSTRUMENTS>
7-7
IM 01R01B30-00E-E 8th edition November 01, 2019-00
All Rights Reserved. Copyright © 2003, Rota Yokogawa
3
1
8
7
9
U
Supply 230 V AC
Limit switch MAX
EN 60947-5-6 (Namur)
Rotameter RAKD -T80
Limit switches
-
+
~
~
SC2-N0
KEMA 00ATEX1037X
Limit switch, option /K1, /K2 or /K3
If only one limit switch is used, power supply option /W2A
(KFA6-SR2-Ex1.W) can be used.
For power supply 115 V AC please use option /W1B (KFA5-SR2-Ex2.W).
If only one limit switch is used, power supply option /W1A
(KFA5-SR2-Ex1.W) can be used.
Limit switch power supply, option /W2B
PTB 00ATEX 2081
KFA6-SR2-Ex2.W
-
+
+
-
BU
2
BN
BU
BN
1
2
1
MIN
F
MAX
S
T
14
15
C = 150 nF
Ex ia IIC T6...T4 Gb
L = 150 µH
P = 64 mW
I = 25 mA
U = 16 V
i
i
i
i
i
C = 2320 nF
I = 19.1 mA
P = 51 mW
U = 10.6 V
L = 97 mH
[Ex ia Ga] IIC
o
o
o
o
o
Hazardous area
Safe area
6
4
11
10
12
Limit switch MIN
-
+
T, S: QUICKON connector
Fig. 7-3 RAKD with ATEX approval (option /KS1) with standard limit switches and AC power supply
14
3
1
15
8
7
9
U
Limit switch MAX
EN 60947-5-6 (Namur)
Rotameter RAKD -T80
Limit switches
Supply 24 V DC
-
+
SC2-N0
KEMA 00ATEX1037X
Limit switch, option /K1, /K2 or /K3
-
+
+
-
BU
BN
BU
BN
MIN
F
MAX
S
T
If only one limit switch is used, power supply option /W4A
(KFD2-SR2-Ex1.W) can be used.
Limit switch power supply, option /W4B
PTB 00ATEX 2080
KFD2-SR2-Ex2.W
+
-
C = 150 nF
Ex ia IIC T6...T4 Gb
L = 150 µH
P = 64 mW
I = 25 mA
U = 16 V
i
i
i
i
i
C = 2410 nF
I = 13 mA
P = 34 mW
U = 10.5 V
L = 210 mH
[Ex ia Ga] IIC
o
o
o
o
o
2
1
2
1
Hazardous area
Safe area
6
4
11
10
12
Limit switch MIN
-
+
T, S: QUICKON connector
Fig. 7-4 RAKD with ATEX approval (option /KS1) with standard limit switches and DC power supply
