Section 3 Operation
Figure 3-3 Open Collector Alarm Output
Diagnostic
Failure Description
RAM Test Failure
Byte by byte test of RAM detects bad
memory location
Program Memory Corrupt
Checksum failure
Non-Volatile Memory
Byte by byte test of Non-Volatile Memory;
detects bad memory location
Diagnostic Alarms (Analog versions only)
A Diagnostic Alarm will be indicated when any of the diagnostics below detect
a failure providing a visual indication via the red LED. The diagnostic test or
tests that have detected a problem and caused the Diagnostic Alarm to occur
can be determined only by reading alarm status via the Diagnostics Port.
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