ABB S800 I/O - Page 71

*HQHUDO,QIRUPDWLRQDQG,QVWDOODWLRQ8VHU¶V*XLGH
6HFWLRQ )LQDO3URFHGXUH%HIRUH6WDUWXS
3BSE 020 923R101 61
  0LVFHOODQHRXV
  ([WHUQDO&DEOHV
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 $ % % ,QVWDOODWLRQ5 XOHV for details.
  )LQDO 3URFHGXUH%HIRUH6WDUWXS
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.
7DEOH  0LVFHOODQHRXV
,WHP &RQFHUQLQJ $FWLRQ
Relays and contacts
in cabinets
Suppression Cabling to non-suppressed inductive
loads in ABB cabinets must be kept
more than 100 mm (4") away from
internal cables
Thermocouples Position of AI835
“CJC” RTD Cold
Junction
Compensation)
CJC RTD should be placed where the
TCs’ compensation cable is terminated.
Analog inputs /
outputs
Type For
H[WHUQDOO\
grounded transmitters /
receivers inputs/outputs must be
differential or isolated