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3.4.3.3
ELAN interface cable
Interface cable specification
Parameters
Impedance
Cable capacity
Core cross-section
Cable type
Signal attenuation
Shielding
Bus terminal resistors
For connection of bus terminal resistors, place a jumper from pin 3 to pin 7 in the first and
last connector of a bus line and from pin 8 to pin 9 (see figure "Pin assignment").
Note
For a conductor length longer than 500 m or high interference, we recommend that a
repeater be installed. For additional information, please refer to the ELAN interface
description.
Order numbers:
• C79000-B5200-C176 German
• C79000-B5276-C176 English
FIDAMAT 6-G
Operating instructions, 07/2006, A5E00478463
Installation and connection
3.4 Electrical connection
Value
100 to 300 Ω for a measuring frequency of
> 100 kHz
Typ. < 60 pF per meter
> 0.22 mm2 , equivalent to AWG 23
twisted pair, 1x2 conductors
max. 9 dB along the entire length of the
conductor segment
Copper braiding shield or braided shield and foil
shield
3-11
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