<7. EXPLOSION-PROTECTED TYPE INSTRUMENTS>
7-17
IM 01R01B30-00E-E 8th edition November 01, 2019-00
All Rights Reserved. Copyright © 2003, Rota Yokogawa
Fig. 7-10 RAKD with INMETRO approval (option /US1) with electronic transmitter, standard limit switch and
AC power supply
Fig. 7-11 RAKD with INMETRO approval (option /US1) with standard limit switches and DC power supply
14
3
1
15
8
7
9
I -
I +
L/+
N/-
O -
O+
1
2
1
2
1
2
U
Limit switch / Pulse
*)
EN 60947-5-6 (Namur)
Transmitter power supply with suitable intrinsically safe
INMETRO approved outputs
Electronic transmitter -E80
L-
L+
F
G
T
-
+
BU
BN
S
-
P
+
P S
Rotameter RAKD
Limit switch
*)
Pulse output
*)
Pulse output or one limit switch
alternatively
Supply 230 V/115 V AC
Output 4 to 20 mA
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
I = 100 mA
P = 0.75 W
C = 2.4 nF
U = 30 V
L = 0.73 mH
4 to 20 mA
Ex ia IIC T6...T4 Gb
i
i
i
i
i
4 to 20 mA
-
+
~
~
SC2-N0
Limit switch, option /K1, /K2
I = 20 mA
P = 64 mW
C = 0 nF
U = 16 V
L = 0 mH
Pulse output
Ex ia IIC T6...T4 Gb
i
i
i
i
i
INMETRO DEKRA 15.0005X
INMETRO DEKRA 15.0005X
Hazardous area
Safe area
T, S: QUICKON connector
Limit switch power supply with suitable intrinsically safe
INMETRO approved outputs
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
Limit switch, option /K1, /K2 or /K3
-
+
+
-
BU
BN
BU
BN
MIN
F
MAX
S
T
+
-
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
2
1
2
1
INMETRO DEKRA 15.0005X
Limit switch power supply with suitable intrinsically safe
INMETRO approved outputs
Hazardous area
Safe area
6
4
11
10
12
Limit switch MIN
-
+
T, S: QUICKON connector