S600+ Instruction Manual
5-4 Front Panel Revised July-2017
5.3.5 Alarm LED and Alarm Keys
Located between the F keys and the MENU key on the keypad is the
Alarm LED and two alarm-related keys, VIEW and ACCEPT.
During normal operations (with no alarms activated), the Alarm LED
is constantly green. The system can trigger an alarm when there is a
malfunction or when measurements exceed the pre-set limits for a
parameter.
At that point, the alarm signal may be relayed to a terminal or klaxon
in the control room. On the S600+ front panel, a flashing red LED
indicates an alarm. The alarm display shows the source of the alarm.
When an alarm activates, the light flashes red until you press VIEW to
display the parameters that have triggered the alarm. You then press
ACCEPT. Once you acknowledge an alarm, the LED light is a
constant red until you clear all the alarm conditions.
The first line of the alarm display indicates the date and time of the
alarm. Until you accept the alarm, the date displays in inverse video
(that is, light letters on a dark background). The second and third lines
describe where the alarm has been activated and its nature. The total
number of alarms (both accepted and unaccepted) appears on the
bottom line of the alarm display.
If you have more than one alarm to view, you can press or to
cycle through the alarm display.
After you have viewed all the alarms, press ACCEPT. That notifies
the S600+ that you have viewed all the alarms and are prepared to
acknowledge them all together. The inverse date on all the alarms then
returns to normal video.
Once you clear an alarm condition, its alarm prompt automatically
clears from the display. When you have cleared all the alarms in the
system, the Alarm light resets to a constant green.
Note: If the Alarm LED is orange, refer to Chapter 8,
Troubleshooting.
5.4 LCD Display
The S600+’s LCD front panel display provides up to eight lines of
information displayed as alpha-numeric characters. Displays can be
menus (which typically enable you to access sub-menus) or data pages.
Figure 5-3 shows the S600+ main menu:
1* FLOW RATES
2* TOTALS
3* OPERATOR
4* PLANT I/O
5* SYSTEM SETTINGS
Asterisk after an
option number
indicates a sub-menu.
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