Doc name : OP INST PIC152N
OP168 V04 (Page 3 of 4)
KEY PRESS
DISPLAY
DESCRIPTION
Press key to select Alarm mode.
Default setting :
In
default setting is
level 2
Alarm mode *
Alarm off
High Alarm
Low Alarm
Band Alarm
Fault Diagnosis Alarm
Fail Output Alarm
Display
Display
Display
Display
Display
for 1sec
for 1 sec.
for 1 sec.
for 1 sec.
for 1 sec.
Press
+
Press
+
Press
+
Press
+
Press
+
Press
+
Press
+
Press
+
Press
+
Press
+
Used to avoid alarm at
power ON. Alarm is
enabled only after the
process value has
reached the set point.
Hold Alarm*
Press key to select Alarm latch status.
NOTE : This parameter is not prompted when alarm mode is
When latch is ON Alarm
status will be preserved
at any process condition.
Default setting :
Latch alarm*
Press key to select Alarm hold status.
NOTE : This parameter is not prompted if alarm mode is
Default setting :
Default setting :
Alarm annunciator*
LED of alarm1 blinks
at the rate of 0.2sec
LED blinking ;
display flashing b/w
PV and message
at 1 sec.
(ALRM)
No annunciator
Press key to select Relay status for alarm1.
Relay status for Alarm1
Relay Energized.
Relay De - energized
NOTE : This parameter is not prompted when alarm mode is
Press key to select Alarm annunciator.
NOTE : This parameter is not prompted if alarm mode is
Default setting :
PROGRAMMING OF LEVEL 3
NOTE :
Applicable only if Analog output is available.
KEY PRESS
DISPLAY
DESCRIPTION
Press + till Level 3 is displayed
Default setting :
Display
Display
Display
Display
Display
for 1sec
for 1sec
for 1 sec.
for 1 sec.
for 1 sec.
Used to set manual
output On / Off.
Press key to select Manual.
Manual
Parameters in this level
can be set.
Press
+
Fixed 1 C resolution for
TC / RTD.
o
For AIN display as per decimal
point selected.
Programmable from
-1999 to 9999.
Press key to select Analog high scaling point
Press key to select Analog low scaling point
Low scaling point
NOTE : This parameter is prompted only if manual is
Default value : 9999
Default value : -9999
Programmable from
-1999 to 9999
High scaling point
Press
+
/
to change value
NOTE : This parameter is prompted only if manual is
Press
+
/
to change value
Press
+
/
to change value
Fixed 1 C resolution for
TC / RTD.
o
For AIN display as per decimal
point selected.
Default setting :
Incase of sensor failure
the output can be set to
high or low value of
range.
Sensor error level
Default setting :
NOTE : This parameter is prompted only if manual is
Programmable from
0.0 to 100.0
Press key to select Analog output %.
Analog output %
Press key to select Sensor error level
Press
+
KEY PRESS
DISPLAY
DESCRIPTION
Eg. For 4-20 mA if constant 12mA output current is desired
then setting for manual output :
(Selection for manual
output mode)
display momentarily
Adjust the display to
50.0 to get 12mA at
output
Press
+
/
Press
+
/
Press
Press
+
Press
SETTING FOR RETRANSMISSION MODE
and then display
(Selection for
retransmission mode)
Adjust the display to 0
Select the Input type
as RTD
is displayed
is displayed
display momentarily
Eg. : 1) For Temperature Input :
Input : RTD Input
Retransmission output : 4 - 20 mA
Desired output : 4mA at 0 C, 20mA at 400 C
Settings :
0
0
Press
Press
Press
Press
Press
Using
+
/
Press
+
till
till
Press
+
/
Press
Press
+
+
USER GUIDE
USER GUIDE
ALARM MODES
High Alarm:
Low Alarm:
Band Alarm:
Fault Diagnosis Alarm:
Fail Output Alarm:
Latch Alarm:
Hold Alarm:
The alarm is turned ON when PV rises above a preset
value.
The alarm is turned ON when PV falls below a preset
value.
The alarm is turned ON when PV rises above or falls
below a preset value.
The alarm is turned ON in case a hardware failure
occurs.
The alarm is turned ON in case of :
a) measurement value exceeds range
b)Sensor reverse condition(applicable for TC/RTD).
This function is used to latch the alarm. When activated,
the alarm is latched until it is acknowledged manually,
even though the alarm condition may have disappeared.
When hold is selected, in any alarm mode, it prevents
an alarm signal on power-up. The alarm is enabled only
if the process temperature is within alarm range.
(1) Press the key to view the status of alarms
(2) Press to view the status of next alarm
(after alarm 2 it rolls over to alarm 1).
Alarm status (e.g : of alarm 1) will be displayed as
follows:
LA-1 for low alarm, HA-1 for high alarm,
FO-1 for Fail output alarm, FD-1 for fault diagnosis.
3) Press to acknowledge the particular alarm
(Alarm will be acknowledged only if latch ON).
The filter is an adaptive digital filter that discriminates
between measurement noise and actual process
changes. If the signal is varying too greatly due to
measurement noise, increase the filter value. If the fastest
controller response is needed, decrease the filter value.
This value offsets the indicator's PV display value by the
entered amount. This is useful in applications in which the
sensor cannot provide the actual temperature signal due
to mounting constraints, inaccuracy etc.
Alarm display options :
(
Only the alarms that are active can be viewed.
FILTER TIME CONSTANT :
BIAS :
SCALING FOR ANALOG INPUT :
To scale the controller, two scaling points are
necessary. Each scaling point has a coordinate pair of
Display Values and Input Values. It is recommended that
the two scaling points be at the low and high ends of the
input signal being measured. Process value scaling will be
linear between and continue past the entered points to the
ISC.L = 0.00
DSC.L = 0.0
RSCL = no
ISC.H = 20.00
DSC.H = 9999
INPUT
9999
0.0
0.00mA
20.00mA
DISPLAY
SETTING FOR MANUAL OUTPUT MODE :
NOTE :
This change will not be visible in the programming menu.
limits of the input range. (Factory settings example will
display 0.0 at 0mA input and display 9999 at 20.00mA
input.) Reverse acting indication can be accomplished by
setting reverse scaling parameter as YES. In this case
referring the above eg. For 0.00mA input the display will
show 9999 and 20.00mA input the display will show 0.0.
+
+
