Novus Controller N3000 Uživatelský manuál stáhnout pdf (Strana 2)

Controller N3000

NOVUS AUTOMATION 2/9

• CODE 7 - Digital input - Standard for I/O5, I/O6 and key.

Start/Stop input (“

rvn

”: YES / no).

Closed: outputs enabled

Opened: outputs disabled

• CODE 8 - Digital input - Standard for I/O5, I/O6 and

key.

Closed: remote SP (4-20 mA in remote SP input)

Opened: main SP (internal programmed SV)

• CODE 9 - Digital input - Standard for I/O5, I/O6 and key.

Opened: enables R&S program

Closed: holds R&S program (the program resumes when the

contact is opened again)

CODE

I/O TYPE I/O FUNCTION

Digital Output Digital Output to be set by the serial comm.

Digital Output Alarm 1 Output

Digital Output Alarm 2 Output

Digital Output Alarm 3 Output

Digital Output Alarm 4 Output

Digital Output PWM Control Output

Digital Input Automatic/Manual mode change

Digital Input Run/Stop mode change

Digital Input Select Remote Set Point Input

Digital Input Executes/Holds selected ramp and soak profile

Digital Input Enable/Disable R&S profile 1 selection

Analog Output 0 to 20mA Analog control output

Analog Output 4 to 20mA Analog control output

Analog Output 0 to 20mA PV retransmission

Analog Output 4 to 20mA PV retransmission

Analog Output 0 to 20mA SP retransmission

Analog Output 4 to 20mA SP retransmission

Table 2 - I/O channel functions

• CODE 10 - Digital input - Standard for I/O5, I/O6 and key.

Selects R&S program 1. Used to alternate between the main

Setpoint and a second Setpoint defined by the R&S program 1.

Closed: selects program 1

Opened: uses main Setpoint

• CODE 11 - Analog control output - I/O5 only. 0-20 mA control

output.

• CODE 12 - Analog control output - I/O5 only. 4-20 mA control

output.

• CODES 13 to 16 - Analog retransmission. I/O5 only. Configures

I/O5 to output a 0-20 mA or 4-20 mA analog signal proportional to

PV or SP.

REMOTE SETPOINT

The remote Setpoint (SP) is enabled by an external digital signal in

either I/O5 or I/O6, when programmed with the code 8 (Select remote

SP input).

An external resistor shunt of 100 Ω is required between the terminals

7 and 8.

ALARMS FUNCTION

The controller has 4 alarms. The alarms can the configured to

operate in any of the nine functions listed on Table 3.

• Open sensor

It is activated whenever the input sensor is broken or disconnected.

• Event alarm

It activates alarm(s) in specific segments of the program. See item

7.2 in this manual.

• Event alarm

Detects a heater broken condition, by monitoring the load current

when the control output is activated. This alarm function requires an

optional device (option 3). Details of the "resistance fail" option can

be found in a specific documentation that is sent with the product

when the option is purchased.

TYPE PROMPT

ACTION

Disabled

off

No active alarm. This output can be used as a digital

output to be set by the serial communication.

Sensor Break

(input Error)

ierr

Alarm will be ON if PV sensor breaks, input signal is

out of range or Pt100 is shorted.

Event Alarm

(ramp and

Soak)

Can be activated at a specific segment of ramp and

soak program.

Detection

resistance fail

rfail

Detects a heater broken condition

Low Alarm

SPAn

High Alarm

SPAn

LOW

Differential

difl

SV - SPAn

positive SPAn

SV - SPAn

negative SPAn

HIGH

Differential

difk

SV + SPAn

positive SPAn

SV + SPAn

negative SPAn

Differential

dif

SV + SPAn

SV - SPAn

positive SPAn

SV - SPAn

SV + SPAn

negative SPAn

Table 3 - Alarm functions

Where SPAn means “SPA1”, “SPA2”, “SPA2” and “SPA4”.

• Minimum value

It is activated when the measured value is below the value defined in

the alarm Setpoint.

• Maximum value

It is activated when the measured value is above the value defined in

the alarm Setpoint.

• Differential (or Band)

In this function, the parameters “

SPA1

”, “

SPA2

” represent the PV

deviation as compared to the main SP.

In a positive deviation, the differential alarm will be triggered when

the measured value is out of the range defined in:

( SP – Deviation) and (SP + Deviation)

In a negative deviation, the differential alarm will be triggered when

the measured value is within the range defined above.

• Minimum differential

It is activated when the measured value is below the value defined in.

(SP - Deviation)

• Maximum differential

It is activated when the measured value is above the value defined in:

(SP + Deviation)

ALARM TIMER FUNCTIONS

Alarms 1 and 2 can be programmed to have timer functions. The 3

modes of operation are:

1- Pulse 2- delayed actuation 3- Oscillator

The desired function can be achieved programming the parameters

“

A1t1

”, “

A1t2

”, “

A2t1

” and “

A2t2

” (see Table 4).

The LEDs associated to the alarms will light when the alarm condition

is recognized, not following the actual state of the output, which may

be temporarily OFF because of the temporization.

1 2 3 4 5 6 7 8 9

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