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4 - Operations
SECOND GROUP
Setpoint
# s l. u
ramp up
Setpoint
# s l. d
ramp down
This parameter specifies the max-
imum rate of change of the Setpoint
in digit/min. When the parameter is
Off
, this function is disabled.
Setpoint
# s . p . l
low limit
Setpoint
# s . p . H
high limit
Low / high limit of the Setpoint
value.
AL2
# A 2hy
alarm hysteresis
AL3
# A 3hy
alarm hysteresis
Hysteresis of the threshold of both
the alarms, that activate OP1 and
OP2 control output. It is specified
as a % of the full scale.
30
AL2, AL3
# A 2L. b
latching
# A 3L. b
and
blocking
functions
For each alarm it is possible to
select the following functions
none
none
Ltch
latching
bloc
blocking
Lt. b L
both latching and blocking
# L tch
ALARM
ACKNOWLEDGE FUNCTION
The alarm, once occurred, is pre-
sented on the display until to the
time of acknowledge.
The acknowledge operation con-
sists in pressing any key.
After this operation, the alarm
leaves the alarm state only when
the alarm condition is no longer
present.
# b loc
START-UP DISABLING
Ramp down
Disable
∆SP
SP
On
Off
Start-up
Ramp up
SP
∆SP
Disable
On
Off
Start-up
∆SP Threshold = SP ± range
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