Connection Of Remote Version Connecting Cable - Endress+Hauser Proline Promag 53 Safety Instructions

0
NEPSI Zone 1, Zone 21
Connection of remote
version connecting cable
10
A
b c b c
B C
Fig. 6:

Connection of remote version connecting cable

A Transmitter housing on connection housing, remote version
B Sensor connection housing, remote version, Promag W/P
Sensor connection housing, remote version, Promag H, DN 
C
Sensor connection housing, remote version, Promag H, DN  40
D
a Ground terminals (are provided for connecting a potential equalization connection)
b Connecting cable, coil circuit
c Signal circuit connecting cable (electrodes)
n.c.  not connected, insulated cable screening
Wire colors  terminal number: 5/6 = brown, 7/8 = white, 4 = green, 37/38 = yellow
Terminal assignment and connection data
Terminal
Designation
Functional values
Electric circuit
U
O
I
O
P
O
L
O
C
O
The connection of the remote version, between sensor and transmitter, is carried out in the explosion
protections Ex i (signal circuit) and Ex e (coil circuit).
When using the connecting cable supplied by Endress+Hauser, the intrinsic safety of the circuit is ensured at
a maximum cable length of 90 m (for IIC) and 200 m (for IIB).
"
Caution!
Only preterminated connecting cables supplied by Endress+Hauser must be used.
S1 E1 E2 S2GND E S
6 5
b c
n.c. n.c.
b
E1 E2 GNDE
D
6 5 7 8
S1 E1 E2 S2
Measured variable
Signal circuit
[Ex ia] IIC/IIB
37 V
25 mA
138 mW
L IIC = 50 mH / L
O O
C IIC = 39 nF / C
O O
Proline Promag 53
7 8 4 37 36
a
a
n.c. n.c. n.c. n.c.
5 7 4 37
4 37 36
GND E S
Pipe EPD
IIB = 200 mH
IIB = 353 nF
Endress+Hauser
42 41
42 41
A0005614
42 41
2 1
Coil circuit
U = 60 V
P = 2.5 W
Ex e