07931001B revision 6
© Servomex Group Limited. 2020
143
Use the following cable glands or blanking plugs in the transmitter unit:
Ports 2 and 3
2 x M16 x 1.5 mm
Ports 1 and 4
2 x M20 x 1.5 mm
Figure 7-16: Transmitter unit cable gland positions
Note:
The cable glands and blanking plugs must be certified to IP66.
7.5 Functional earth / ground requirements
Use a suitable conductor to connect the Analyzer external earth (ground) terminal to
a local equipotential earth (ground) point. You can use flexible or solid conductors,
up to 10mm
2
(7 AWG) up to a maximum length of 2m
(6’ 6.75”
).
Power cable connections
You can connect the Laser 3 Plus to a 24 VDC supply on site (voltage range of 18 to
30 VDC).
Make sure that the electrical supply voltage shown on the rating label is
correct for the available electrical supply. Do not install the equipment if
the incorrect voltage is shown and contact Servomex or your local
Servomex agent immediately.
Make sure that the DC power for the Laser 3 Plus is not derived directly
from an AC supply that is rated at more than 300 VAC.
Make sure that the DC power for the Laser 3 Plus is suitably approved for
the environment in which it is to be installed and used.
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