KROHNE IFC 300 Converter Quickstart EN - Manual (Page 15)

ELECTRICAL CONNECTIONS
3
15
IFC 300
www.krohne.com 08/2010 - 4000070303 - QS IFC 300 R06 en
3.3 Electrical cables for remote device versions, notes
3.3.1 Notes on signal cables A and B
Observe the following notes:
• Lay the signal cable with fastening elements.
• It is permissible to lay the signal cable in water or in the ground.
• The insulating material is flame-retardant to EN 50625-2-1, IEC 60322-1.
• The signal cable does not contain any halogens and is unplasticized, and remains flexible at
low temperatures.
• The connection of the inner shield is carried out via the stranded drain wire (1).
• The connection of the outer shield is carried out via the shield (60) or the stranded drain wire
(6), depending on the housing version. Observe the following notes.
• The signal cable type B cannot be used with options with "virtual reference"!
3.3.2 Notes on field current cable C
INFORMATION!
The signal cables A (type DS 300) with double shield and B (type BTS 300) with triple shield
ensure proper transmission of measured values.
DANGER!
All versions except TIDALFLUX:
All versions except TIDALFLUX: All versions except TIDALFLUX: All versions except TIDALFLUX:
A non-shielded three-wire copper cable is sufficient for the field current cable. If you
nevertheless use shielded cables, the shield must NOT
NOT NOT NOT be connected in the housing of the signal
converter.
Only TIDALFLUX: Only TIDALFLUX: Only TIDALFLUX: Only TIDALFLUX:
A shielded two-wire copper cable is used as the field current cable. The shielding MUST
MUST MUST MUST be
connected in the housing of the measuring sensor and signal converter.
INFORMATION!
The field current cable is not part of the scope of delivery.