The Interface Solution Experts 27
SPA
2
Programmable Current/Voltage
Limit Alarm Trips
*ALARM X denotes the alarm (1, 2, 3 or 4) that you are currently
configuring.
Rate of Change Alarm Configuration
Figure 17 gives an overview of the Rate of Change
Alarm configuration menu.
If you wish to be notified when deviations outside of
ranges you have set occur, use the Rate of Change
Alarm. The alarm will be set according to the rate of
change of the process variable over a set time period.
1.
At the “CONFG ALARM” menu, press
SELECT. Use the UP and DOWN buttons to
toggle between the four alarms. When the
desired alarm appears, press
SELECT.
2.
At the “ALARM TYPE” menu, press
SELECT.
From here you will choose your alarm type.
Use the
UP and DOWN buttons to scroll
through the selections. Press
SELECT once
“ALARM ROC” is displayed.
3.
At “ENTER DELTA” press
SELECT and use
the
UP and DOWN buttons to set your delta
value. Press
SELECT.
DELTA–
This is the amount by which the
process variable must change. You may enter
a value less than one through the PC
Configuration Program
only
.
4.
At the “ENTER TIME” menu, press
SELECT.
Using the
UP and DOWN buttons, set the time
and press
SELECT.
TIME–
The span (1-60sec) in which the delta
must change before the alarm is set.
Note:
When configuring a Rate of Change alarm, “LATCH
ON” must be selected in the “SET LATCH’” menu.
5.
At the “SET LATCH” display, press
SELECT
and choose “LATCH ON” using the
UP and
DOWN buttons; press SELECT.
Refer to the “Trip Alarm Configuration” section
for a description of latching alarms.
6.
Press
SELECT at “SET FSAFE” to enter the
menu. Then use the
UP and DOWN buttons to
switch from “ALARM FSAFE” to “ALARM
NONFS”. Make your selection and press
SELECT.
Refer to the “Trip Alarm Configuration” section
for a description of fail safe and non fail safe
alarms.
7.
“INPUT FAULT” appears. Select whether or
not to enable the input failure alarm by using
the
UP and DOWN buttons; press SELECT.
“EXIT ALARM X”* appears. Press
SELECT.
INPUT FAULT Alarm–
If enabled, this alarm
will notify the user upon a breakdown of input.
8.
If you are to program other alarms, use the
UP
and
DOWN buttons to reach your next alarm
and follow the steps described in the
appropriate alarm configuration section.
If you have completed your alarm
configurations, use the
UP and DOWN buttons
to bypass the alarm menu. To exit, press
SELECT at the “ALARM EXIT” display.
