ABB S800 I/O User Manual page 71

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Relays and contacts
in cabinets
Thermocouples
Analog inputs /
outputs
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When selecting cables that are to be used in the plant environment, you should
know that there are some restrictions and rules to follow:
• Routing of communication cables.
• Mixing of signals and signal types within cables.
• Need of shielded cables.
Refer to
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Remove all debris from the work performed and clean off all grease and dirt. Check
that no tools or assembly material are left in the cabinets. Vacuum clean the
cabinets.
3BSE 020 923R101
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8‚pr…vt
Suppression
Position of AI835
"CJC" RTD Cold
Junction
Compensation)
Type
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Cabling to non-suppressed inductive
loads in ABB cabinets must be kept
more than 100 mm (4") away from
internal cables
CJC RTD should be placed where the
TCs' compensation cable is terminated.
For
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receivers inputs/outputs must be
differential or isolated
for details.
6 p‡v‚
grounded transmitters /
61