C-7
Scanner
®
2000 microEFM
Appendix C
Internal
ground screw
External
ground screw
Figure C.4—Ground screw locations
Lithium Battery Pack
The Scanner 2000 microEFM is shipped with a lithium battery pack. In
F
oundation
™ fieldbus applications,
this battery pack provides backup power. Primary power is provided by a fieldbus power supply.
To supply backup power to the instrument, connect the lithium battery cable to connector J1 on the main
).
CAUTION Always connect the lithium battery to the main board before connecting fieldbus power
to the fieldbus interface board. See also
F
oundation
™ Fieldbus Power Supply below.
In the event that fieldbus power is lost, the lithium battery will help ensure that timekeeping and volume
accumulation will not be interrupted. Low-power microprocessor technology enables the Scanner 2000 to
operate for an estimated 1 year on a lithium battery pack.
WARNING: Replace the Scanner 2000 lithium battery only with Cameron battery pack Part No.
9A-30099004. With appropriate measures to prevent damage, the battery pack may be replaced
in a hazardous area.
F
oundation
™ Fieldbus Power Supply
The Scanner 2000 is bus-powered by a
F
oundation
™ fieldbus power supply. A two-conductor cable connects
the power supply to the fieldbus interface board inside the Scanner 2000 enclosure. Route the cable through
the conduit opening in the top of the enclosure and wire as shown in
. If a junction box
is in use, fieldbus power may be wired as shown in
.
Summary of Contents for Scanner 2000 microEFM
Page 1: ...NUFLO Scanner 2000 microEFM Hardware User Manual Manual No 9A 30165023 Rev 10 ...
Page 26: ...26 Section 1 Scanner 2000 microEFM ...
Page 104: ...A 18 Appendix A Scanner 2000 microEFM ...
Page 106: ...B 2 Appendix B Scanner 2000 microEFM ...