N480
5
Dt
d
erivative
t
ime
DERIVATIVE TIME
: Derivative time constant in seconds. This constant is not used when controller is
set to ON/OFF action (
Pb
=
0
).
(t
C
ycle
t
ime
CYCLE TIME
: Pulse Width Modulation (PWM) period in seconds. This term is not used when controller
is set to ON/OFF action (
Pb
=
0
).
KySt
HYSt
erisis
CONTROL HYSTERESIS
: Is the hysteresis for ON/OFF control (set in temperature units).
This parameter is only used when the controller is in ON/OFF mode (
Pb
=
0
).
A1SP
SP
A
larm
1
SETPOINT for Alarm 1
: Triping point for alarm 1
A2SP
SP
A
larm
2
SETPOINT for Alarm 2
: Triping point for alarm 2
3.4 CONFIGURATION
LEVEL
Type
tYPE
0
0
0
0
- Thermocouple type
J
3
3
3
3
-
Pt100
with
0.1°
resolution
1
1
1
1
- Thermocouple type
K
4
4
4
4
-
Pt100
with
1°
resolution
2
2
2
2
- Thermocouple type
S
Type
tYPE
INPUT TYPE
: Selects the input sensor type to be connected to the controller.
This is the first
parameter to be set.
0
0
0
0
- Thermocouple type
J
;
5
5
5
5
- Thermocouple type
T
;
1
1
1
1
- Thermocouple type
K
;
6
6
6
6
- Thermocouple type
E
;
2
2
2
2
– Thermocouple type
S
;
7
7
7
7
- Termopar tipo
N
;
3
3
3
3
-
Pt100
with
0,1°
resolution;
8
8
8
8
- Termopar tipo
R;
4
4
4
4
-
Pt100
with
1°
resolution;
Vnit
unit
TEMPERATURE UNIT
: Selects display indication for degrees Celsius or Farenheit.
0
0
0
0
- degrees Celsius (
°C
);
1
1
1
1
- degrees Farenheit (
°F
);
A(t
ACt
ion
CONTROL ACTION
:
0
0
0
0
-
reverse
action. Generally used for heating.
1
1
1
1
-
direct
action. Generally used for cooling.
(ntr
C
o
ntr
ol
CONTROL OUTPUT
:
0
0
0
0
- Sets control output to terminals OUT A.
1
1
1
1
- Sets control output to terminals OUT B.
As control output is defined to terminals OUT A, alarm output is automatically set to OUT B.
If control output is defined to OUT B alarm 1 will then be automatically set to OUT A.
spll
SP
L
ow
L
imit
SET POINT LOW LIMIT:
sets the lower range for SV
spKl
SP
H
igh
L
imit
SET POINT HIGH LIMIT
: Sets the upper range for SV.
A1fv
Al
arm
1 Fu
nction
FUNCTION OF ALARM 1
: Refer to table 2 for function description and respective codes to set at this
prompt.
A2fv
Alarm
2 Fu
nction
FUNCTION OF ALARM 2
: Refer to table 2 for function description and respective codes to set at this
prompt.
Aiky
A2ky
A
larm
HY
steresis
ALARM 1 AND ALARM 2 HYSTERESIS
: Defines the differential range between the PV value at
which the alarm is turned on and the value at which it is turned off (in engineering units).
3.5 CALIBRATION
LEVEL
A T E N T I O N
These parameters are used to calibrate the temperature measurement and should only be dealt with by experienced and well equipped personnel.
Inl(
In
put
L
ow
C
alibration
SENSOR OFFSET CALIBRATION
. Sets the temperature sensor low calibration (offset). The display
shows only the corrected temperature and not the offset added. A signal simulator should be used to
inject a low value signal to properly adjust the offset.
InK(
In
put
H
igh
C
alibration
INPUT HIGH CALIBRATION
. Sets the sensor input circuit gain or high calibration.
A signal simulator should be used to inject a high value signal to properly adjust the offset.
(j L
C
old
J
unction
L
ow
C
alibration
COLD JUNCTION OFFSET CALIBRATION
: Sets the cold junction offset calibration. A good
thermometer or a temperature simulator should be used to properly adjust this parameter.
Содержание N480
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