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N1100 Controller

NOVUS AUTOMATION 2/11

The function code of each I/O can be selected among the options on

Table 2.

I/O TYPE

I/O FUNCTION

CODE

No function

OFF

Output

Alarm 1 Output

Output

Alarm 2 Output

Output

Alarm 3 Output

Output

Alarm 4 Output

Output Control Output (Relay or Digital Pulse)

CTRL

Digital Input

Automatic/Man mode change

mAN

Digital Input Run/Stop mode change

RVN

Digital Input

Selected Remote SP

RSP

Digital Input

Freezes program execution

KPRG

Digital Input

Program 1 selection

PR 1

Analog Output

0 to 20 mA analog control output

(.0.20

Analog Output 4 to 20 mA analog control output

(.4.20

Analog Output

0 to 20 mA PV retransmission

P.0.20

Analog Output 4 to 20 mA PV retransmission

P.4.20

Analog Output

0 to 20 mA SP retransmission

S.0.20

Analog Output

4 to 20 mA SP retransmission

S.4.20

Table 2 - I/O channel functions

During the configuration of channels, only the valid options for each

channel will be shown on the display. The description for the

functions follows:

•

off

- No function

The I/O channel programmed with code

off

will not be used by the

controller.

Note: Although without function, this channel is available through the

serial communication (command 5 MODBUS).

•

– Alarm output

The selected channel can be used as output to alarms. Available for

all the I/O channels.

•

(trL

- PWM control output

Defines the channel to be used as control output (relay or digital

pulse). Available for all the channels. The digital pulse is available

on (when available) and I/O5.

•

mAn

–Digital input with Manual/Auto function

Defines the channel as Digital Input with the function of switching the

control mode between Automatic and Manual. Available for I/O3,

I/O4 (when available) and I/O5.

Closed Contact =Manual control / NO

Opened Contact = Automatic control / YES

•

rvn

- Digital input with RUN function

Defines channel as Digital Input with the function of enabling / disabling

the control and alarm outputs (“

RvN

”: YES / no). Available for I/O3,

I/O4 (when available) and I/O5.

Closed Contact = Outputs enables / NO

Opened Contact = Outputs disables / YES

•

rsp

– Digital input with remote SP function

Defines channel as Digital Input with the function of selecting the

remote SP. Available for I/O3, I/O4 (when available) and I/O5.

Closed Contact=Remote SP

Opened Contact = Main SP

•

kprg

– Digital input with Hold Program function

Defines channel as Digital Input with the function of commanding the

execution of the selected setpoint profile program. Available for I/O3,

I/O4 (when available) and I/O5.

Closed Contact = Enables execution of the program

Opened Contact = Interrupts execution of the program

Note: Even when the execution of the program is interrupted, the

control output remains active and controlling the process at the point

(Setpoint) of interruption. The program will resume its normal

execution starting from this same point when the digital input is

closed.

•

Pr 1

– Digital input with function to Execute Program 1

Defines the channel as Digital Input with the function of commanding

the execution of the setpoing profile program 1. Available for I/O3,

I/O4 (when available) and I/O5.

Useful function for switching between the main setpoint and a

secondary one defined by the program 1.

Closed = selects program 1

Opened = useds main Setpoin

•

(.0.20

–0-20 mA Control Output

Available for I/O 5 only, defines the channel as a 0-20 mA control output.

•

(.4.20 -

4-20 mA Control Output

Available for I/O 5 only, defines the channel as a 4-20 mA control output.

•

P.0.20

– 0-20 mA PV retransmission

Available for I/O 5 only, configures the channel to retransmit the PV

measurement in 0-20 mA.

•

P.4.20

- 4-20 mA PV retransmission

Available for I/O 5 only, configures the channel to retransmit the PV

measurement in 4-20 mA.

•

s.0.20

– 0-20 mA SP (Setpoint) retransmission

Available for I/O 5 only, configures the channel to retransmit the

values of SP in 0-20 mA.

•

s.4.20

– 4-20 mA SP (Setpoint) retransmission

Available for I/O 5 only, configures the channel to retransmit the

values of SP in 0-20 mA.

ALARMS FUNCTIONS

The controller has 4 independent alarms. They can be programmed

to operate with eight different functions, represented in Table 3.

•

off

– Alarms turned

off

•

ierr

– Sensor break alarm

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

•

– Ramp & soak program event alarm

This alarm is activated by the Ramp & Soak program (refer to the

PROGRAMS OF RAMP AND SOAK section on how to set the event

alarm).

•

Rfai1

– Reserved

•

– Alarm of Absolute Minimum Value

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

the alarm Setpoint.

•

– Alarm of Absolute Maximum Value

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

the alarm Setpoint.

•

dif

– Alarm of Differential Value

In this function, the parameters “

SPA1

”, “

SPA2

”, ”

SPA3

” and “

SPA4

”

represent the PV deviation as compared to the main SP.

Using the Alarm 1 as example: for Positive SPA1 values, the

differential alarm will be triggered when the PV value is out of the

range defined in:

(SP –SPA1) to (SP + SPA1)

For a negative SPA1 value, the differential alarm will be triggered

when the PV value is within the range defined above

•

difl

– Alarm of Minimum Differential Value

It is activated when the PV value is below the value defined in:

(SP –SPA1)

Using the Alarm 1 as example.

•

difk

– Alarm of Maximum Differential Value

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

(SP + SPA1)

Using the Alarm 1 as example.