Table of Contents
6.4.1
Cable glands cables andwires
There are four threaded bore holes which pass completely through the device base (2x
M20x1.5 and 2x M25x1.5) (see Figures 6.7 and 6.8). All the electrical connections can
be directly connected to the device here using cable glands.
Since most systems only require connections for data transfer and power supply
(24 V DC), the other threaded boreholes can be fitted with blind plugs, adapters or other
cable glands, for example for signal cables or signalling contacts. A local display or a
USB connection can also be screwed into one of these boreholes as an option.
These screw-in parts must have the correct IP rating and suitable explosion-protection
certification. To comply with the specified explosion-protection regulations, they must
be installed and sealed in their function as securing parts as specified by the
manufacturer of the cable glands.
The M25 cable glands used as standard are suitable for reinforced cable with a diameter
of 11 – 17 mm, while the M20 cable end glands can be used for reinforced cable with a
diameter of 6 – 12 mm. The following cable properties are required in order to comply
with the explosion-protection regulations:
The device can also be fitted with bespoke cable glands, for example with ½" NPT
threads, using adapters. Please contact your TAC for further details if you wish to change
the standard equipment.
EnCal 3000 Hardware Manual
Not sensitive to cold flow, impermeable to air and at least three metres long.
•
The cable and cable gland are suitable for temperatures of 70°C and higher.
•
(Le câble et le presse-étoupe conviennent pour des températures de 70°C et
plus.)
Conduit stop boxes must be sealed between 1xD and 45 cm depending on the
•
regulations.
Figure 6.8: Position of the cable end glands on the housing base
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HARDWARE INSTALLATION
55
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