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Omega CN76000 - CYCLE RATE, DIFFERENTIALS, FILTERING, AND PROTECTION

Omega CN76000
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15
adjustable. If none of the abo ve are selected the menu indexes directly to S#Ot.
CY#CY#
CY#CY#
C Y # Cycle Rate: Select
2 2
2 2
2 to
8080
8080
80 sec. Time Proportioning Control is adjustab le in 2 sec.
steps. F or best contact lif e , a time should be selected as long as possib le without
causing the process to wander.
SP#dSP#d
SP#dSP#d
SP#d Set Point On-Off Differential. Select
1 1
1 1
1 to
19991999
19991999
1999 deg. or counts. When adjusting SP#d
keep in mind that SPL and SPH have to be considered to avoid a CHEC error
message.
SECONDSECOND
SECONDSECOND
SECOND
ARAR
ARAR
AR
Y MENU (cont'd)Y MENU (cont'd)
Y MENU (cont'd)Y MENU (cont'd)
Y MENU (cont'd)
PUL#PUL#
PUL#PUL#
PUL# Pulsed Time Propor tioning Output: Select
11
11
1 to
7 7
7 7
7. 1 = Linear and 7 = most non-linear.
Changes output linearity f or use in cooling applications or f or an e xtremely fast
response processes. At the center of the propor tional band, a pulse v alue of 1
pro vides an output of one second on and one second off (50% output). A pulse v alue
of 2 provides an output of one second on and two seconds off (33% output). Output
at center of band equals one second on, 2
(pulse value-1)
seconds off.
S#OtS#Ot
S#OtS#Ot
S#Ot Set Point Output Type . FT, Curr , or Volt.
FtFt
FtFt
Ftref ers to Fast Time Propor tioning, for Solid State Relay or 5V Logic Outputs.
Timing is fixed at 1 sec.
CurrCurr
CurrCurr
Curr refers to Propor tional Current Output of 0 to 20 mA.
VV
VV
V
oltolt
oltolt
oltrefers to Propor tional V oltage Output of 0 to 10 V.
Both Curr & V olt are selected by the Hardware Configur ation Code and cannot be changed.
PctOPctO
PctOPctO
PctO Percent Output Feature: Select
OnOn
OnOn
On or
OFFOFF
OFFOFF
OFF.
OnOn
OnOn
O n When selected
On,On,
On,On,
On, the HOME low er displa y will indicate the output of the
controller in percent. An o will appear in the r ight hand side of the lo w er
displa y to indicate percent output for SP1. An "õ" will appear on the r ight
hand corner of the lo w er displa y to represent percent output for SP2. The
displa y will alter nate between these values.
OFFOFF
OFFOFF
O F F Percent Output display is disab led.
PrPr
PrPr
Pr
ogog
ogog
og Ramp/Soak Feature: Select
OnOn
OnOn
On or
OFFOFF
OFFOFF
OFF
StAtStAt
StAtStAt
StAt Status Display in the HOME Position when Prog (above) is On: Select
OnOn
OnOn
On or
OFFOFF
OFFOFF
OFF.
When selected
OFFOFF
OFFOFF
O F F, the HOME display will alter nately indicate the nor mal HOME
and the Ramp/Soak partial status in the Lo w er Display. The par tial status displa y
sequences with the set value showing the r amp (S1rA) or soak (S1So) segment
being processed at that moment. It will also sho w the Program output status if at
Hold or OoFF.
When selected
OnOn
OnOn
O n, the HOME Display will alter nately indicate the nor mal HOME
and the Ramp/Soak full status in both the upper and low er displa ys . The full status
displa y sequences with the set v alue; Program r un, Hold, or OoFF; and with the time
remaining for the r amp S1rA or the soak S1So segments .
1r1r
1r1r
1r
tt
tt
t Ramp Time in Hours & Minutes: Select
0.000.00
0.000.00
0.00 to
99.59 99.59
99.59 99.59
99.59 (HH.MM).
1St1St
1St1St
1St Soak Time in Hours & Minutes: Select
0.000.00
0.000.00
0.00 to
99.5999.59
99.5999.59
99.59 (HH.MM).
PEndPEnd
PEndPEnd
PEnd End of Soak action: Select
HoldHold
HoldHold
Hold or
OoFFOoFF
OoFFOoFF
OoFF.
HoldHold
HoldHold
Hold Stay at the Present Set Pt.
OoFFOoFF
OoFFOoFF
OoFF Tur n Off SP1 and SP2 Outputs at the End of the Soak.
InPCInPC
InPCInPC
InPC Input Correction: Select
±500 °±500 °
±500 °±500 °
±500 °F
(±260 ° (±260 °
(±260 ° (±260 °
(±260 °C
))
))
) or
±1000 ±1000
±1000 ±1000
±1000 counts. This feature allo ws the
input value to be changed to ag ree with an e xter nal reference or to compensate for
sensor error. When setting values having one or more decimal points , the lo w est

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