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The following checklists, Table 2-3 to Table 2-10, are a summary of important
information that should be checked for the installation.
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Grounding
philosophy
Ground
system
Grounding to PE network only. Only one
ground system. No exceptions.
Ground plane
system
Design The ground line system of the installation must
be carefully installed and must incorporate the
switchgear.
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Cables Prescribed type Communication cables
Pulse transducer cables
Shielded for low level AI (RTD, Pt,
thermocouple, and so on).
Signal wire and return wire in same cable
Shielding: Single
shield
Grounding:
AI, AO, DI, DO,
Should be made directly as it comes into the
cabinet
Grounding:
Communications
pulse transducers
For AF 100 See the
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For PROFIBUS see relevant documentation.
Cable without
shield
Grounding All signal circuits grounded at the same end
A.C. digital inputs
110V and 220V
Max. cable length Approximately 200 m (656 ft.)