Chauvin Arnoux CA 650 Notice De Fonctionnement page 80

r: Decreasing rate of change. The job or alarm is actuated when the rate of decreasing
process value is greater than the specified rate time interval. For example, when the
Setpoint is set to 50_2S if the process is decreasing greater than the value 50 in 2
seconds, then job or alarm is actuated.
Setpoint: To set up the process value for actuating Job1 and /or Job2
Job1, Job2: When an event occurs, the task to be performed is called the job. A
typical example is to trigger an alarm buzzer in event of high temperature. Each pen
can accept four events ( or alarms ) and each event can create two jobs. Please note
that a job under Event is different from a job by pressing the Operate key. The former
is actuated by an event, and the latter is actuated by manual control, no event
necessary.
Various types of jobs can be selected:
Stop logging: Stop logging data.
Start logging: Start logging data.
No Action: Do nothing.
Log Alarm: Record alarms
Log Event: Record events
Sound Buzzer: Sound the buzzer. It stops once any key is pressed.
DO Latch On: Set digital output / relay on, and then select Target from DO 1 to DO 6.
The relay is latched when it is activated.
DO Latch Off: Set digital output / relay off, and then select Target from DO 1 to DO 6.
The relay is latched when it is activated.
DO Process: Set digital output / relay on for process high or low, and then select Target
from DO 1 to DO 6. The relay is not going to be latched when it is activated.
Enable Timer: Start the timer, and then select Target from Timer 1 to Timer 6.
Disable Timer: Stop the timer, and then select Target from Timer 1 to Timer 6.
Preset Totalz: Start the totalizer with a preset value, then select Target from Tolz 1 to
Tolz 6.
Reset Totalz: Reset totalizer into zero, and then select Target from Tolz 1 to Tolz 6.
Enable Totalz: Start the totalizer, then select Target from Tolz 1 to Tolz 6.
Disable Totalz: Stop the totalizer, then select Target from Tolz 1 to Tolz 6.
Preset Counter: Start the Counter with a preset value, then select Target from Cont1 to
Cont6.
Reset Counter: Resets the counter into zero, and then select Target from Cont1 to
Cont6.
Inc Counter: Increase the counter, and then select Target from Cont1 to Cont6.
Dec Counter: Decrease the counter, and then select Target from Cont1 to Cont6.
Log Report: Make the report for Counter and Totalizer. Choose this column, and then
the report will be presented as details described in 3.4 Event.
Hysteresis: To avoid it been activated too often, the relay can set for no reaction in
0.1% to 10% of full span ( Low Scale to High Scale ).
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