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INDUSTRIAL LAN | WIRING COMPONENTS AND TESTERS

Fieldbus Spur Blocks

Spur Blocks

The Relcom Fieldbus Spur Block, FCS-S, provides cable interconnections without a built-in terminator. For example, the Spur Block can be used in the home run to attach two devices to the middle of the Fieldbus. As many Spur Blocks as needed can be used on a Fieldbus segment, as long as the maximum spur length is not exceeded as defined by the standard. Using a Spur Block allows the removal of a device cable from the Fieldbus without affecting other devices or the integrity of the segment wiring. The Spur Block can also be expanded with the Relcom Fieldbus Expander block to provide additional device connections. The Spur Block has an LED to indicate when segment power is present

Spur Blocks are part of our Legacy Fieldbus interconnection blocks. For new designs, we recommend our Megablock Series.




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The DXF links in the Drawings column below are mechanical drawings of the product that may be included in your AutoCAD® or equivalent CAD drawings. The remaining table entries are PDF files that may be viewed with
Adobe’s Acrobat Reader.

Part Number Description Data Sheet Installation Instructions Drawing (DXF) Certification Applications
FCS-S-PL Fieldbus Spur Block, Pluggable Screw Terminals PS-004

500-274

502-123

FCS-S-PL.DXF



CC-001

CC-026

General Purpose

Class I, Division 1, Groups A, B, C and D

Class I, Zone 0, Groups IIC, IIB, IIA

Class I, Division 2, Groups A, B, C and D

Ex nA IIC T4

AEx nA IIC T4

FCS-S-ST Fieldbus Spur Block, Fixed Screw Terminals FCS-S-ST.DXF
FCS-S-CC Fieldbus Spur Block, Cage Clamp Terminals FCS-S-CC.DXF