C-8
Appendix C Scanner
®
2000 microEFM
CAUTION Always connect the lithium battery to the main board before connecting eldbus power
to the eldbus interface board. See also Internal Power Supply, page 63.
Figure C.5—Foundation™ eldbus power supply wiring without junction box
Terminal Housing Wiring Options
The standard Scanner 2000 provides two conduit entries for input cable. For installations requiring more than
two inputs, a four-outlet optional terminal housing is recommended. The terminal housing mates to one of the
Scanner’s conduit openings and provides three conduit openings for eld wiring, in addition to the remaining
conduit opening in the top of the Scanner 2000 housing. Figure C.6 and Figure C.7 show how terminal
housing can be wired for eldbus power and RTD inputs. See Terminal Housing, page A-16, for more details.
FROM FIELDBUS
POWER SUPPLY
TO SCANNER 2000
FIELDBUS INTERFACE BOARD
JUNCTION BOX
(OPTIONAL)
Figure C.6—Foundation™ eldbus power supply wiring with junction box
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