Novus N1040i Indicator Manual de usuario descargar pdf (Pagina 3)

N1040i Indicator

NOVUS AUTOMATION 3/6

RECOMMENDATIONS FOR THE INSTALLATION

• To minimize the pick-up of electrical noise, the low voltage DC

connections and the sensor input wiring should be routed away

from high-current power conductors. If this is impractical, use

shielded cables. In general, keep cable lengths to a minimum.

• The input signals conductors shall be positioned throughout the

factory separate from the output and the power supply

conductors, in grounded conduits if possible.

• The power supply of the electronic instruments shall come from a

proper source for the instrumentation network.

• It is recommended to use RC FILTERS (0.1 uF in series with 100

ohms) to suppress the noise generated by contactors coils,

solenoids, etc.

OPERATION

The indicator front panel, together with its elements, can be seen on

Figure 06:

Figure 06 - Identification of the front panel parts

Display: Shows the process variable PV, the configuration

parameters prompts and their respective values/ conditions.

Indicators A1 and A2: signalize the occurrence of an alarm

condition.

Key P: used to walk through the parameters in the menu cycles.

Increment key and

Decrement key: Used to change

parameter values.

Key: A key used to retrocede to the previous displayed

parameter.

START UP

When the controller is powered up, its firmware version is displayed

for 3 seconds, after which the N1540 starts normal operation, when

the value of PV is displayed and the outputs are enabled.

Before the indicator is ready to be used in a given process, it requires

some basic configuration, consisting of assigning values to the

parameters according to the desired behavior. The user shall

understand the importance of each parameter and determine a valid

condition or a valid value for each one of them.

The configuration parameters are grouped in parameters levels

according to their functionalities. The 4 parameters levels are:

1 – Operation

2 – Alarms

3 – Input

4 – Calibration

The “P” key provides the access to the levels and to the parameters

of these levels.

Keeping the P key pressed, at every 2 seconds, the indicator jumps

from one level to another, presenting the first parameter of each

level:

PV >>

fva1

type

pass

>> PV …

To enter into a particular level, simply release the P key when the

first parameter in that level is displayed.

To walk through the parameters in a level, press the P key with short

strokes. To go back to the previous parameters, use the

Key.

Each parameter symbol is shown on the upper display while its

respective value/condition is shown on the lower display.

Depending on the level of parameter protection adopted, the

parameter PASS precedes the first parameter in the level where the

protection is active. See section PROTECTION CONFIGURATION.

DESCRIPTION OF THE PARAMETERS

OPERATION CYCLE

Indication Display of PV. The value of the measured

variable (PV) is shown on the upper display (red).

Sp.a1

Sp.a2

SetPoint

Alarm

Alarm SP: Value that defines the alarm activation

point. For the alarms set up with the functions of the

type Differential, these parameters

define the

maximum differences accepted between PV

or a

reference value defined in the parameter

ALrF

For the alarm function

ierr

, this parameter is not used.

Parameters shown in this level only when enabled in

the parameters

sp1.E

and

sp2.E

ALARMS CYCLE

Fva1

Fva2

Function

Alarm

Alarm Functions. It defines the functions of the alarms

among the options in Table 02.

al.rf

Alarm

Reference

Reference value used by the alarms with differential

function, minimum differential

or maximum

differential.

Sp.a1

Sp.a2

SetPoint

Alarm

Alarm SP: Value that defines the point of activation of

the alarm outputs.

For the alarms programmed with the functions of the

type Differential

, these parameters represent the

deviations.

For the

ierr

alarm function, this parameter has no

meaning.

Sp1.e

sp2.e

SP Enable

It allows the display of the parameters SPA1 and

SPA2 also in the indicator operation cycle.

YES

shows the parameters SPA1/SPA2

in the

operation cycle

DOES NOT show the parameters SPA1/SPA2

in the operation cycle

bla1

bla2

Blocking Alarm

Alarms Initial Blocking.

YES

enables the initial blocking

inhibits the initial blocking

xya1

xya2

Hysteresis of

Alarm

Alarm Hysteresis. It defines the difference between the

value of PV at which the alarm is triggered

and the

value at which it is turned off.

flsh

Flash

It allows signalization of an alarm conditions occurrence

by flashing the indication of PV on the indication display.

YES

Enables alarm signalization by flashing PV.

Does not enable alarm signalization by flashing

PV.

INPUT CYCLE

Type

Input Type. Selection of the input type, used by the

indicator. Refer to Table 01.

fltr

Filter

Digital Input Filter – Used to improve the stability of

the measured signal (PV). Adjustable between 0 and

20. At 0 (zero) it means filter turned off and 20 means

maximum filter. The higher the filter value, the slower

is the response of the measured value.

Dp.po

Decimal Point

It determines the position of the decimal point on the

display.

vni t

Unit

It defines the temperature unit to be used:

(

indication in Celsius.

indication in Fahrenheit.

1 2 3 4 5 6

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