KROHNE OPTIWAVE 5200 C/F Handbook page 32

ELECTRICAL CONNECTIONS
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Maximum length of the communication cable
• Non-Ex applications: 100 m / 328 ft
• Ex applications: refer to the supplementary operating instructions or approval certificates.
Temperature
• Use electrical cable with the applicable temperature rating for the operating conditions.
• Ambient temperature range: -40...+80°C / -40...+175°F
Dimensions of the insulated conductors
• Min.-max. cross-sectional area of the conductors: 4×0.326...4×2.5 mm² (22....14 AWG), shielded cable
• Use the applicable cable glands for the cable entry openings in the housing.
• Use the applicable cable for the cable glands.
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.
Twist rate of the insulated conductors
• The minimum twist rate is 10 twists per metre, to prevent interference from external electromagnetic fields.
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Use the Ex-approved cable supplied with the device!
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OPTIWAVE 5200 C/F
03/2012 - 4001904901 - HB OPTIWAVE 5200 R01 en