N1050 Controller
NOVUS AUTOMATION
4/8
TUNING CYCLE
Atun
Auto Tune
Enables the auto-tuning function for the PID
parameters (
pb
,
ir
,
dt
). Defines the control
strategy to be taken:
off
- Turned off (no PID tuning);
Fast
- Automatic tuning;
FuLL
- More accurate automatic tuning.
PB
Proporcional
Band
Value of the term
P
of the control mode PID, in
percentage of the maximum span of the input type.
Adjust of between 0 and 500.0 %.
When set to zero (0), control action is ON/OFF.
Hyst
Hysteresis
Control hysteresis.
Hysteresis value for ON/OFF
control. Adjustable between 0 and the width of the
measuring range of the selected input type.
Displayed only if proportional band = 0.
ir
Integral Rate
Value of the term
I
of the PID algorithm, in repetitions
per minute (Reset). Adjustable between 0 and 24.00.
Displayed only if proportional band
≠
0.
Dt
Derivative Time
Value of the term
D
of the control mode PID, in
seconds. Adjustable between 0 and 250.0 seconds.
Displayed only if proportional band
≠
0.
Ct
Cycle Time
Pulse Width Modulation (PWM) period in seconds.
Adjustable between 0.5 and 100.0 seconds.
With the use of contactors, the recommended value
for the cycle time parameter must be greater than
10 s.
Displayed only if proportional band
≠
0.
Act
Action
Action Control:
re
Control with
Reverse Action
. Appropriate
for
heating
. Turns control output on when
PV is below SP.
dir
Control with
Direct Action
. Appropriate for
cooling
. Turns control output on when PV
is above SP.
Sf.st
SoftStart
SoftStart Function
. Time interval, in seconds, while
the controller limits the control output (MV) rising
rate
.
(Zero value disables the Soft start function).
out1
out2
out3
out4
Output
Assign functions to the Output channels OUT1,
OUT2, OUT3 and OUT4:
off
- Not used;
Ctrl
- Control output;
A1
- Alarm 1 output;
A2
- Alarm 2 output;
A1.a2
- Alarm 1 + Alarm2 (OR logic);
Lbd
- Loop Break Detect Alarm.
PROGRAM CYCLE
Pr.tb
Program time
base
Defines the time base that will be used by all Ramp
and Soak programs.
SeC
- Time basis in seconds;
min
- Time basis in minutes.
R.prg
Program
restore
Function Resume Program. Parameter that defines
the behavior of the controller when it resumes from
a power failure in the middle of a program execution
of ramps and soaks.
Prog
- Returns at the beginning of the program;
P.seg
- Returns the beginning of the segment;
t.seg
- Returns at the exact point where it
stopped;
off
- Return with control disabled (
RUN
=
No
).
Pr n
Program number
Selects the ramp and soak profile program to be
edited/viewed. The sequence of parameters that
follows refer to this selected program.
Total of 5 programs possible (1 – 5).
P.toL
Program tolerance
Maximum admitted deviation of PV with respect to
SP. If exceeded, the program execution is suspended
(the internal timer freezes) until the deviation be
returns back within the defined tolerance.
The value 0 (zero) disables the function.
P.sp0
P.sp4
Program SP
Program SP’s, 0 to 4. Sets of 5 SP values that
define the program profile of ramps and soaks.
P.t1
P.t4
Program time
Program segment time, 1 to 4: Sets the duration
time, in seconds or minutes, of each of the 4
segments of the program being edited.
P.e1
P.e4
Program Event
Alarms of Event. Parameters that define which
alarms are to be activated during the execution of
a certain program segment:
oFF
- Do not trigger an alarm on this segment.
A1
- Activate alarm 1 when program reaches
this segment.
A2
- Activate alarm 2 when program reaches
this segment.
A1.A2
- Activate alarms 1 and 2 when program
reaches this segment.
The alarms chosen must have its function
configured as
rS
.
Lp
Link Program
Link Program. At the end of running a program, any
other program can have its execution started
immediately.
0
- Do not connect to any other program;
1 to 5
- Program number to be connected.
ALARMS CYCLE
Fu.a1
Fu.a2
Function Alarm
Functions of Alarms. Defines the functions for the
alarms among the options of the
Table 02
.
Sp.a1
Sp.a2
Setpoint Alarm
Alarm SP. Value that defines the point of actuation
of the alarm outputs. For alarms programmed with
Differential
functions, these parameters define
deviations.
This parameter is not used for the alarm function
off
,
ierr
or
r5
.
Sp1.e
sp2.e
Setpoint Enable
Configures display of SPA1 and SPA2 also in the
Operation Cycle.
YES
- SPA1/SPA2 are displayed in the Operation
Cycle
No
- SPA1/SPA2 are not displayed in the
Operation Cycle
This parameter is not used for the alarm function
off
,
ierr
or
r5
.
