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S400 I/O units communicate with the Advant Controller 450 using MasterFieldbus.
See the outline presentation of MasterFieldbus in
or the separate
documentation mentioned.
Process variables, connected via S400 I/O units and S100 I/O boards, are available in the
process data base in the same way. The high performance of MasterFieldbus makes the delay in
process scanning due to fieldbus communication negligible in most applications.
However, time-tagged events have comparatively reduced accuracy.
If an S400 I/O unit loses its contact with Advant Controller 450 for any reason, it enters “local
mode.” In this mode, it maintains its output signals at their most recent correct values or to a
predetermined value, as selected by the user. These safe values are set in the Advant Controller
450 data base and transferred to the unit at start-up. Normal operation is resumed when the
connection is re-established.
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A basic S400 I/O unit for binary signals has 32 channels. You can expand it with another
32 channels by adding an expansion unit. Analog units have 20 channels and cannot be
expanded.
Basic units are ready for direct connection to MasterFieldbus. Expansion units are connected to
the basic units by means of short ribbon cables.
The units are enclosed and equipped with a built-in power supply including a separate, isolated
supply for sensors. The enclosure is in accordance with IEC 529, IP20. All external connections
are made by plug detachable screw terminals. You can mount the units directly on a wall, or,
more commonly, in a protective enclosure on a mounting plate, or on DIN mounting rails.
All units have LED indicators for power supply and communication. Digital units also have
LEDs for indication of the status of each I/O channel.
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DSDX 452
ABB Master
237 mm (9.3”)
192 mm (7.6”)
Содержание Advant Controller 450
Страница 1: ...Advant OCS with Master software GYDQW RQWUROOHU User s Guide 3BSE 002 415R701 Rev A ...
Страница 26: ...Advant Controller 450 User s Guide Table of Contents 3BSE 002 415R701 Rev A xvi ...
Страница 30: ...Advant Controller 450 User s Guide Table of Contents 3BSE 002 415R701 Rev A xx ...
Страница 488: ... GYDQW RQWUROOHU 8VHU V XLGH SSHQGL DUGZDUH 0RGXOHV A 48 3BSE 002 415R701 Rev A ...
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 ...
Страница 562: ...Advant Controller 450 User s Guide Index iv 3BSE 002 415R701 Rev A ...
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Страница 564: ...3BSE 002 415R701 Rev A March 2000 ...