Omega CN76000, Manual

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an error, CHEC LorE and go to the set point indicated by CFLt.
CFLt Communication Fault Mode (992): Select 1 or 2. 1 = On Communication fault, use local
Set Point. 2 = On Communications fault, use
CFSP .
S E C O N D S E C O N D S E C O N D S E C O N D S E C O N DA R A R A R A R A RY MENU Y MENU Y MENU Y MENU Y MENU
Hold UP ARR UP ARR UP ARR UP ARR UP ARRO O O O O W W W W W & ENTER ENTER ENTER ENTER ENTER to display the Secondary menu. Press INDEX INDEX INDEX INDEX INDEX to scan the
Low er Display. Press UP ARR UP ARR UP ARR UP ARR UP ARRO O O O O W W W W W or D O D O D O D O D OW N A R R W N A R R W N A R R W N A R R W N A R RO O O O O W W W W W to change the value in the upper
display.
Press E N T E R
E N T E R E N T E R E N T E R E N T E R to store the value.
Selections Selections
Selections Selections Selections
A A A A A uto uto uto uto uto Auto/Manual Control: Select On or OFF.
O n
O n
O n O n O n Automatic Control
O F F O F F O F F O F F O F F Manual Control is enabled. The low er display in the HOME position will
display the output in percent for SP1 or SP2, and is adjustable
for each from
0.0 to 100 percent. SP1 appears first with a flashing “o” on the right hand
corner of the low er display to represent percent. Press INDEX to display
SP2 output. A flashing "õ" will appear on the right hand corner of the low er
display to represent percent.
When Manual is enabled, the present control
outputs are held (bumpless transfer) and displayed. The output for SP1 or
SP2 can then be manually adjusted while displayed by pressing the UP
UP UP UP UP or
D O D O
D O D O D OWN Arr
WN Arr
WN Arr WN Arr WN Arro
o
o o ow
w
w w w key to change the value, and then the ENTER
ENTER
ENTER ENTER ENTER key. The Upper
display will normally indicate the Process Value. Since Manual will override
most fault messages the upper display could indicate a fault message. Refer
to the Diagnostic Error Message Section for further explanation.
ALLo ALLo ALLo ALLo ALLo Alarm Low: The Low Alarm point is usually set below the Main Set Point.
ALHi ALHi
ALHi ALHi
ALHi Alarm High: The High Alarm Point is usually set above the Main Set Point.
SP Active set point (948): Select 1SP1 , 2SP1 , 3SP1 , or 4SP1 . Allows setting of the multiple
stages of SP1, and SP1 tuning constants.
#SP1 Set Point Value # (948): Select desired value.
#tun (948) or
tunE tunE tunE tunE tunE Tuning Choice: Select SELF SELF SELF SELF SELF, , , , , Pid, Pid, Pid, Pid, Pid, SLO SLO SLO SLO SLO, , , , , nor nor nor nor nor, , , , , or F F F F FASt. ASt. ASt. ASt. ASt.
SELF SELF
SELF SELF
SELF The Controller will evaluate the Process and select the PID values to
maintain good control. Active for SP1 only.
Str Str Str Str Strt t t t t Select Y E S Y E S Y E S Y E S Y E S or no no no no no
Y E S Y E S
Y E S Y E S
Y E S Start Learning the Process. After the process has been
learned the menu item will revert to no no no no no.
no no no no no Learning will stay in present mode.
LErn LErn
LErn LErn LErn Select Cont
Cont
Cont Cont Cont or End
End
End End End
Cont Cont Cont Cont Cont Continuously adjust the PID values to maintain the best
control. The Process is being monitored at all times by
collecting and analyzing the data to adjust the PID values.
(adaptive control).
End End End End End The Process data is collected once and then the PID values
are saved, tuning is stopped.
dF dF
dF dF
dFA A
A A
A C C
C C
C Damping factor, Select O F F O F F
O F F O F F
O F F, 1 1
1 1
1 to 7 7
7 7
7. Sets the ratio of Rate to Reset for
the SELF tunE mode. 7 = most Rate. Factory set to 3. For a fast
response process the value should be low ered (less Rate). For a
slow er process the value should be increased (more Rate).
Pid Pid Pid Pid Pid Manually adjust the PID values. PID control consists of three basic param-
eters, Proportional Band (Gain), Reset Time (Integral), and Rate Time
(Deri
vative).
#Pb1 (948) or
Pb1 Pb1
Pb1 Pb1 Pb1 Proportional Band (Bandwidth). Select 6
6
6 6 6 to 5000 °
5000 °
5000 ° 5000 ° 5000 °F,
3 3
3 3 3 to 2778
2778
2778 2778 2778 °C, or
6 6
6 6
6 to 9999 9999
9999 9999
9999 counts.
Pb2 Pb2 Pb2 Pb2 Pb2 Proportional Band (Bandwidth). Select 6 6 6 6 6 to 5000 ° 5000 ° 5000 ° 5000 ° 5000 °F, 3 3 3 3 3 to 2778 2778 2778 2778 2778 °C, or
6 6 6 6 6 to 9999 9999 9999 9999 9999 counts. (Appears after #r #r #r #r #rtE tE tE tE tE when Option 948 is selected.)
#rES (948) or