
4
ELECTRICAL CONNECTIONS
56
OPTIFLEX 8200 C/F/S
www.krohne.com
06/2018 - 4006448901 - MA OPTIFLEX 8200 R01 en
4.4 Remote device data
4.4.1 Requirements for signal cables supplied by the customer
The signal cable is an option for non-Ex devices. If the signal cable is not supplied by the device
manufacturer, the cable must have properties that follow:
Basic properties
•
Twisted cable 2 by 2, shielded or screened.
Maximum length of the signal cable
•
100 m / 328 ft
Temperature
•
Use electrical cable with the applicable temperature rating for the operating conditions.
•
Ambient temperature range: -40...+80
°
C / -40...+176
°
F
•
We recommend that the cable agrees with UL 94V-0.
Dimensions of the insulated conductors
•
Min.-max. cross-sectional area of the conductors: 4×0.326...4×2.5 mm
²
(22....14 AWG),
shielded cable
•
Use the applicable cable for the cable glands (Ø6....10 mm / 0.24...0.39
¨
).
•
Use the applicable cable glands for the cable entry openings in the housing.
Electrical characteristics
•
Test voltage: Insulated conductor / shield (screen)
≥
500 VAC
•
Line resistance: < 55
Ω
/km
•
The cable must agree with EN 60811 (Low Voltage Directive) or equivalent national
regulations.
Содержание OPTIFLEX 8200 C
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