Siemens SITRANS FC330, Руководство по эксплуатации, Страница: 203 / 280

Table 11-21 Power supply cable recommendations
Description Specification
Square area [mm
2
] 1.3 (AWG 16)
Max. length [m] 300 (AWG 16)
Note
Size the cable length and diameter to provide 19,2 VDC at power terminals at load current of
0,75 A
Table 11-22 Transmitter cable glands and entries
Description Specification
Glands
● Material
– Nylon
1)
– Brass/Ni plated
– Stainless steel AISI 316/1.4404
● Cable cross section
– ∅ 8 to 17 mm (0.31" to 0.67")
– ∅ 5 to 13 mm (0.20" to 0.51")
Entries 1 x M25 (for current output/communication, chan‐
nel 1) and
2 x M20 (for supply and channels 2 to 4) or
1 x ½" NPT (for current output/communication,
channel 1) and
2 x ½" NPT (for supply and channels 2 to 4)
1)
: If operating temperature is below -20 °C (-4 °F), use Brass/Ni plated or stainless steel cable
glands.
Note
For hygienic applications (EHEDG) the cable glands and blind plugs must be made from
corrosion resistant material like nickel brass, stainless steel or plastic, the exposed threads
must be minimized when they are tightened up on the cable and they must have a seal (plastic
or rubber) under the threads where they screw into the terminal housing or enclosure.
Technical data
11.6 Construction
SITRANS FC330
Operating Instructions, 01/2019, A5E44030648-AB
203