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FLOWSIC30 · Operating Instructions · 8020999/173B/V1-4/2020-02 · © SICK Engineering GmbH
Installation
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3.4.2
Cable specifications
Current output, loop powered
Optional Serial Interface (RS485), externally powered
WARNING:
The cables must fulfil the requirements for use in hazardous areas (e.g. set
forth in EN /IEC 60079-14 or other relevant standards).
Specification
Notes
Type of cable
Twisted pair, shielded
Connect shielding at other end to
ground terminal
Maximum cable length Loop resistance
Depends on voltage and current in
the loop; voltage must not fall
below 18 V
Cable diameter
6 ... 12 mm (1/4 to 1/2 inch)
Fixing range of the cable glands
Specification
Notes
Type of cable
Twisted pair, shielded,
impedance approx. 100…150
low cable capacitance:
100
pF/m
Connect shielding at other end to
ground terminal
Min./ max. cross-
sectional area
2 x 0.5/1 mm
2
(2 x 20-18 AWG)
Maximum cable length 300 m at 0.5 mm² (1600 ft for 20 AWG)
500 m at 0.75 mm² (3300 ft for 20 AWG)
Do not connect unused conductor
pairs and prevent them from
accidental short-circuit
Cable diameter
6 ... 12 mm (1/4 to 1/2 inch)
Fixing range of the cable glands
WARNING:
Explosion hazard
▸
Do not open the window cover when an explosive atmosphere is present.
NOTICE:
Incorrect cabling may cause failure of the FLOWSIC30. This will invalidate
warranty claims. The manufacturer assumes no liability for consequential
damage.
