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Cabling - Honeywell 5701 Operating Instructions Manual

Sieger system 57.
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MAN0443.P65 Issue 13 Aug 04
05701-M-5001 A02279
CHAPTER 4 - INSTALLATION INSTRUCTIONS
4.

CABLING

The field terminals on the Field Interface and Relay Cards accept up to
2.5mm˝ single or multi-stranded wire. Cables should be routed carefully
to avoid physical and environmental hazards such as mechanical
stress and high temperatures.
Sensor wiring should consist of a cable with an earthed outer shield
and should be routed away from sources of interference such as ac
power cables, motors, machinery etc. All sensor cabling is subject to a
maximum cable length that is dependant upon the cable line resistance
and sensor types.
The current ratings of the power and relay cables should always be
higher than the worst case maximum load requirement.
All sensor field cables must be screened in order to ensure correct
operation of the system and to meet European Standards for RFI and
EMC. The cable screen of each sensor should be connected to the
GROUND terminal of the appropriate Field Interface or Relay Card or
another suitable ground point.
4 - 8
5701 Control System

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