KROHNE MFC 400 EN - Manual (Page 21)

ELECTRICAL CONNECTIONS
4
21
MFC 400
www.krohne.com 08/2013 - 4002075802 - MA MFC 400 R02 en
4.3 Requirements for signal cables provided by the customer
Specifications for standard signal cables
• 5 twisted pair circuits (24 AWG)
• Insulation thickness of cables: ≥ 0.2 mm / 0.008")
• Each cable pair shielded with foil and drain wire
• Overall foil/braid shield
• Casing colour: grey
• Colour of wires:
Pair 1: yellow/black
Pair 2: green/black
Pair 3: blue/black
Pair 4: red/black
Pair 5: white/black
• Test voltage: ≥ 100 VAC
• Temperature range: -40...+85°C / -40...+185°F
• Capacity between cables: ≤ 41 pF/m
• Capacity compared to shielding: ≤ 73 pF/m
• Inductance: ≤ 0.8 µH/m
Specifications for cables in hazardous areas
• 5 twisted pair circuits (24 AWG)
• Insulation thickness of cables: ≥ 0.2 mm / 0.008")
• Each cable pair shielded with foil and drain wire
• Overall foil/braid shield
• Casing colour: blue
• Colour of wires:
Pair 1: yellow/black
Pair 2: green/black
Pair 3: blue/black
Pair 4: red/black
Pair 5: white/black
• Test voltage: ≥ 100 VAC
• Temperature range: -40...+85°C / -40...+185°F
• Capacity between cables: ≤ 41 pF/m
• Capacity compared to shielding: ≤ 73 pF/m
• Inductance: ≤ 0.8 µH/m
INFORMATION!
If the signal cable was not ordered, it is to be provided by the customer. The following
requirements regarding the electrical values of the signal cable must be observed:
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