Appendix B
SPA with HART Alarm
B.1 Overview
This section describes the SPA with HART alarm option for the OCX 8800.
B.2 Description
The Moore Industries SPA with HART Alarm, Figure B-1, is a 4-wire (line or mains powered),
site-programmable, digital process alarm. It connects to a standard HART field device and
provides up to four, fully configurable, contact-closure outputs based on readings of the
HART digital data. The four OCX 8800 alarm outputs recognized by the SPA are Low O
2
,
High COe, Calibration Status, and OCX Unit Failure.
SPA with HART Alarm
Reference Manual 275
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