Manual

4-38 SECS Message Detail
If the Host requests the limits for a specific variable which is eligible for limits
monitoring but does not have any limits defined, this variable will be reported as
follows:
S2F48 * H <- E
<L
<L [2]
<U4 VID> * Variable ID
<L [4]
<A UNITS> * Units of Measure
<LIMITMIN> * Minimum Limit
<LIMITMAX> * Maximum Limit
<L> * No Limits Defined
>
>
...
>.
4.49 S5F1 - Alarm Report
S5F1 [W] * H<-E
<L [3]
<B [1] ALCD> * ALCD - Alarm On/Off and
Severity
<U4 ALID> * ALID - Alarm ID
<A [40] ALTX> * ALTX - Alarm Text
>.
This message is the "normal" message that the Equipment uses to report alarms. In
order for this message to be used, the Equipment Constant "ConfigAlarms" must be
set to "0".
If the Equipment Constant "ConfigAlarms" is set to "0", the Equipment sends S5F1
instead of the normal S5F73 Alarm Notification Send.
The equipment reports that an alarm condition has changed.
ALID identifies the Alarm.
The high-order bit of ALCD will be "1" if this alarm is currently On (Unsafe), or "0"
if it is currently Off (Safe). The low-order seven bits of ALCD contain the severity
code for this alarm.
ALTX contains up to 40 bytes of Alarm Text. See "Appendix C" for a table of
possible Alarms which can occur.