6. Mounting
Installation example
7. Electrical connections
For connecting the external wires, the transmitter has a
plug connector M12 x 1 / 4 poles (only for non Ex version)
or a cable glands M16x1.5. During the version with a cable
glands the connection via a spring-type terminal block made
in accordance with diagram of connections.
Permissible cable-Ø:
max. conductor cross-section:
R
ext
24 V DC
4-20 mA
Connection allocation plug (only for non Ex version)
2
3
1
4
Do not electricly modify the device nor
•
carry out any wiring work when energised.
Do not plug in or unplug electric connection
•
when energised.
Use cable glands M16x1.5 properly in
•
the undamaged an clean state. It is fi rmly
mounted to the housing.
Camille Bauer
12
min. 20
NEx 6-10 mm
Ex 4-8 mm
2
2,5 mm
+
–
Pin
Plug
1
+
2
–
3
not
connected
4
Operating Instructions HW730 Be
+3
*
8
8
0
max. tightening torque 3.4 Nm [481.48 in-oz]
* With spacers, this measure will be increased.
The cable gland must not be modifi ed in
•
any way which is not expressly mentioned
in these operation instructions. In particular,
replacement of the standard sealing insert
by different size is not permissible.
It must be only used with fi xed installed
•
cables and they must be protected against
shock.
8. Electric commissioning
Provide a separate power supply for the device in case of
•
consumer loads with high interference levels.
Install the entire plant in an EMC-compatible manner.
•
Installation environment and wiring can affect the EMC
of the device.
For Versions with explosion protection:
•
The regulations according to EN60079-14,
the equipment safety law, the generally
acknowledged rules of the industry and
these operating instructions are applicable
for installation and operation. In order to
ensure the required IP protection category
according to EN60529:1991 is achieved, the
cable glands must be properly installed in
the electrical operating equipment.
9. Maintenance
The device is free of maintenance. Repairs may only be
carried out by authorized authorities.
54.2
17