5
UK
In wet environments there is the risk that water penetrates into the unit
through the capillary tube and causes damage to it. In this case use the
filter element or the splitter box with ventilation.
The filter element and the splitter box are only allowed for use outside
hazardous areas.
5.1 Requirements for the mounting location
(applies to PS3xxA)
Strong electromagnetic fields in the frequency range < 2.7 GHz may lead to
increased measurement errors up to 1 % of the span.Do not install the units near
strong sources of electromagnetic interference (e.g. transmitters, radio equipment)
or, if necessary, use a sheath current filter.
6 Electrical connection
The unit must be connected by a qualified electrician.
The national and international regulations for the installation of electrical
equipment must be adhered to.
Voltage supply to EN 50178, SELV, PELV.
For submersible pressure transmitters PS3xxA: For use in hazardous
areas: connection to intrinsically safe supply isolators (Ex ia).
►
Disconnect power.
► Connect the unit as follows:
PS3xxA / PS4xxx
PS3xxx
1
BN
GN
L+
L
Core colours
Core colours
BN
brown
BN
brown
GN
green
WH
white
1: screen (connected to the housing)
GY
grey (screen)
Содержание PS3 Series
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