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INDUSTRIAL LAN | WIRING COMPONENTS AND TESTERS

Fieldbus Expanders

Fieldbus Expanders

All Relcom Legacy Fieldbus segment wiring blocks can be expanded for additional wire pair connections by using the Expander Block, FCS-E. Each Expansion Block provides four more cable connection points. The Expansion Blocks plug into a Terminator, Spur Block, Balanced Power Conditioner, Power Hub, or into each other so that wiring between blocks is eliminated. As many Expansion Blocks as needed can be used on a Fieldbus segment. The Expansion Block has an LED which illuminates to indicate bus power is present.

The Expanders 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-E-PL Fieldbus Expansion Block, Pluggable Screw Terminals PS-005

500-274

502-123

FCS-E-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-E-ST Fieldbus Expansion Block, Fixed Screw Terminals FCS-E-ST.DXF
FCS-E-CC Fieldbus Expansion Block, Cage Clamp Terminals FCS-E-CC.DXF