®
SPECIFICATION SUBMITTAL Page
Job Name:
Job Number:
Model Numbers:
Switching Systems Expansion Module Power Equipment
369-647a 6 06.04.12
•Daisy-chaintheExpansionModuletotheIECPELV/NECRClass2Linkthatconnectsswitchingpanelstocontrol
stations.
•Therearethreeseparatedaisy-chainlinks.
•Makedaisy-chainconnectionstothelow-voltageIECPELV/NECRClass2Linkterminalsinsidethe
Expansion Module.
•DonotuseT-taps.Runallwiresinandoutoftheterminalblock.
•Eachterminalacceptsuptotwo18AWG(1.0mm
2
)wires.
•LEDsA,B,andClightwheneachofthetheIECPELV/NECRClass2Linksareinstalledcorrectly,respectively.
LEDsblinkoncepersecond.
•InstallLinkTerminators(LT-1)atthestartandendofeachIECPELV/NECRClass2Link.
Important Notes
•TheMasterSoftswitch128RPanelmaybeanyonepanelonthethreelinks.AllSoftswitch128RPanelshavethe
capability to be a master.
•32ControlStationsmaybeinstalledperlink.
•Itispermissibleforalinktoconsistofonlycontrolstations.
•TheExpansionModulemayormaynotbeattheendofanycontrollink.Itcanbeconnectedinthemiddleof
the link.
IECPELV/NECRClass2wiringlinkrequires:
•Two12AWG(2.5mm
2
)conductorsforcontrolwiring.
•Oneshielded,twistedpair18AWG(1.0mm
2
)fordatalink.
Master
XPS
Panel
Remote
XPS
Panel
Remote
XPS
Panel
Expansion
Module
LinkA
Link B
LinkC
Control
Station
Control
Station
Control
Station
Control
Station
Control
Station
Control
Station
Control
Station
To additional
ControlStations
andPanels
To additional
ControlStations
andPanels
To additional
ControlStations
andPanels
Low-Voltage IEC PELV/NECR Class 2 Wiring
Example of IEC PELV/NECR Class 2 Wiring