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Advant
®
Controller 450 User’s Guide
Section 2.2.15 Checklists
3BSE 002 415R701 Rev A
2-47
2.2.15.6 Cabinets, Internal Cables
2.2.15.7 External Cables
When you are selecting suitable cables to use and when the cables are placed in the plant,
be aware that there are some restrictions and rules to be followed which involve, among other
things:
•
The distance between Advant OCS cables and non-Advant OCS cables.
•
The routing of communication cables.
•
Mixing of signals and signal types within cables.
•
The need for shielded cables.
See the electrical installation rules given in the sections above and the general document
Interference-Free Electronics Design and Applications, which also gives examples of the
available cables.
Table 2-10. Cabinets, Internal Cables
Item
Concerning
Action
Row of cabinets
Electrical connection
(grounding)
Through short 35 mm
2
copper conductors or
horizontal copper rail joining the PE
terminals in each cabinet.
Hinged frame
Electrical connection to
chassis (copper bar)
2 cables, top and bottom of hinged frame
L
<
250 mm, A = 10 mm
2
Cabinet parts
(plates)
All parts electrically
connected to each other
and to the copper bar
Divided cabinets
R
<
100 m
Ω
Connection with special screws and nut bars
Earthing in cabinet
Design
Only a single grounding system for
Advant OCS equipment NO EXCEPTIONS
Lighting
At maintenance
Only by filament lamp
Temperature in
cabinet
Max. permitted
temperature for continued
operation.
Max. permitted temperature for continued
operation in cabinet is 55
°
C.
Measured just above the subracks.
If this value is exceeded the number of circuit
boards must be reduced.
Radio emission
Emission
Where EN or FCC requirements must be
met, only EMC-proof cabinet is adequate.
Shielded cable/
ribbon cable
Design
Communication, pulse transducers and
analog circuits for Low level AI
(Pt, thermocouples) must be shielded up to
the circuit boards
Internal cables
Routing
See:
Section 2.2.6, Cable Routing in
Check that there is no tension in the wiring.
Содержание Advant Controller 450
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Страница 496: ...Advant Controller 450 User s Guide Appendix C Delivery Documentation C 2 3BSE 002 415R701 Rev A ...
Страница 508: ...Advant Controller 450 User s Guide Appendix D Item Designations D 12 3BSE 002 415R701 Rev A ...
Страница 514: ...Advant Controller 450 User s Guide Appendix E Current Consumption and Heat Dissipation E 6 3BSE 002 415R701 Rev A ...
Страница 518: ...Advant Controller 450 User s Guide Appendix F Load Calculation F 4 3BSE 002 415R701 Rev A ...
Страница 522: ...Advant Controller 450 User s Guide Appendix G Memory Calculation G 4 3BSE 002 415R701 Rev A ...
Страница 528: ...Advant Controller 450 User s Guide Appendix H Halt Codes H 6 3BSE 002 415R701 Rev A ...
Страница 561: ...Advant Controller 450 User s Guide Index 3BSE 002 415R701 Rev A iii V Valve control 1 102 VT100 terminal 1 105 ...
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Страница 564: ...3BSE 002 415R701 Rev A March 2000 ...