Novus N1500G User manual

NOVUS AUTOMATION 1/5
N1500G
UNIVERSAL INDICATOR - OPERATING MANUAL
1. PRESENTATION
N1500G is a universal process indicator which accepts a large
variety of input signals and sensors.
A five-digit LED display shows easured value and all progra ing
para eters.
Instru ent configuration is achieved fro the keyboard, without any
hardware change.
The user should read this anual thoroughly before using the
instru ent. It is a fine electronic device and should be used
accordingly for best results.
So e of the features of the basic version are:
•Universal input: Pt100, ther ocouples, 4-20 A, 0-50 V and 0-5
Vdc
•24Vdc power supply for re ote trans itters excitation
•Maximum and minimum e ory
•Digital input with Ho d Peak Tare and ho d function
•Process Variable retrans ission in 0-20 A or 4-20 A
•RS485 MODBUS RTU serial co unication
Disp ay: Shows process variable (PV) and the progra ing
pro pts.
ALM1 and ALM2: show alar status.
INDEX key - This key is used to access the progra ing
enu and pro pts.
BACK key - This key is used to go back to the previously
reached pro pt in the enu cycle.
UP / MAX key and DOWN / MIN - Used to increase
and decrease para eters values, these keys are also used
to display axi u and ini u values stored in e ory..
Specia FUNCTION key - This special function key is used
for pre-progra ed functions as explained in the SPECIAL
FUNCTION KEY section of this anual.
2. PROCESS VARIABLE INPUT - PV
The Process Variable input type should be keyboard progra ed by
the user according to the codes shown on table 1 (refer to INPUT
TYPE para eter "in.typ
in.typin.typ
in.typ").
All input types are factory calibrated and no additional calibration is
required.
Ther ocouples are calibrated to NBS standards. RTD’s are
calibrated to DIN 43760 (α=0.00385).
TIPO CODE CARACTERÍSTICAS
J Range: -50 to 760 °C (-58 to 1400 °F)
K Range: -90 to 1370 °C (-130 to 2498 °F)
T Range: -100 to 400 °C (-148 to 752 °F)
E Range: -35 to 720 °C (-31 to 1328 °F)
N Range: -90 to 1300 °C (-130 to 2372 °F)
R Range: 0 to 1760 °C (-32 to 3200 °F)
S Range: 0 to 1760 °C (-32 to 3200 °F)
B Range: 150 to 1820 °C (302 to 3308 °F)
Pt100 Range: -199.9 to 530.0 °C (-327.8 to 986.0 °F)
Pt100 Range: -200 to 530 °C (-328 to 986 °F)
4-20 A Linearizes J. Adjustable range: -110 to 760 °C
4-20 A Linearizes K. Adjustable range.: -150 to 1370 °C
4-20 A Linearizes T. Adjustable range.: -160 to 400 °C
4-20 A Linearizes E. Adjustable range.: -90 to 720 °C
4-20 A Linearizes N. Adjustable range -150 to 1300 °C
4-20 A Linearizes R. Adjustable range 0 to 1760 °C
4-20 A Linearizes S. Adjustable range.: 0 to 1760 °C
4-20 A Linearizes B. Adjustable range.: 100 to 1820 °C
4-20 A Linearizes Pt100. Adj. range.:-200.0 to 530.0 °C
4-20 A Linearizes Pt100. Adj. range.: -200 to 530 °C
0 -50 V Linear. Adjustable range.: -1999 to 9999
4-20 A Linear. Adjustable range.: -1999 to 9999
0 a 5 V Linear. Adjustable range.: -1999 to 9999
Table 1 - Input type codes
3. ALARMS
The indicator features 2 alar outputs in the basic version. Each
alar has a corresponding LED anunciator in the front panel to show
alar status.
TYPE PROMPT ACTION
Disabled
off Alar is inactive
Sensor Break
(input Error)
ierr Alar will go ON if sensor breaks, input
signal is out of range or Pt100 is shorted.
Low Alar
Lo
Alarm SP
PV
High Alar
Ki
Alarm SP
PV
Diferential Low
Dif.lo
PV
AL SP + Deviation
AL SP
Diferential High
Dif.ki
PV
AL SP +
Deviation
AL SP
Diferential
Dif
PV
AL SP +
Deviation
Positive
Deviation
AL SP
AL SP -
Deviation
PV
AL SP
-
Deviation
Negative Deviation
AL SP
AL SP + Deviat.
Table 2 - Alar functions
3.1. ALARM FUNCTIONS
The alar s can set to operate in six different functions: Sensor
break, Low Alar , High Alar , Differential Low, Differential High or
Differential (Band). These functions are shown in table 2 and
described as follows
3.1.1. Sensor break
The alar will go ON whenever the sensor breaks or is badly
connected.
3.1.2. Low alar
The alar relay will go ON whenever the easured value is below
the alar set point.

Indicator N1500G
NOVUS AUTOMATION 2/5
3.1.3. High alar
The alar relay will be ON whenever the easured value is above
the alar set point.
3.1.4. Differential (Band)
For differential alar 2 para eters ust be set: Differential A ar
Reference value (ALrEF) or alar setpoint and Alar Deviation
(Band).
For a positive deviation the alar will switch on whenever the
easured value is out of the band defined as:
(ALrEF - Deviation) and (ALrEF + Deviation)
For a negative deviation the alar will be switched on whenever the
easured value is within the band defined above.
3.1.5. Differential Low
The alar relay will be ON whenever the easured value is be ow
the band defined as:
(ALrEF - Deviation)
3.1.6. Differential High
Alar relay will be ON when the easured value is above the band
defined as:
(ALrEF + Deviation)
3.2. ALARM INITIAL BLOCKING
The initial blocking option inhibits the alar fro being recognized if
an alar condition is present when the controller is first energized.
The alar will actuate only after the occurrence of a non alar
condition followed by a new occurrence for the alar .
The initial blocking is disabled for the sensor break alar function.
3.3. ALARM TIMER
The alar s can be progra ed to have ti er functions where the
user can set a delayed alar action, just one pulse in an alar
event, or an oscillator function with sequential pulses.
Table 3 shows these advanced functions. Ti es T1 and T2 can be
progra ed fro 0 to 6500 seconds (refer to ite 8.2). Set 0 (zero)
at the T1 and T2 pro pt for a nor al non-ti er alar operation.
The LEDs alar anunciators will go ON whenever there is an alar
condition regardless of the present alar status which ay be
te porarily off because of ti er action.
Advanced
Function
T1 T2 ACTION
Nor al
Operation
0 0
Alarm Event
Alarm
Output
Delayed 0 1s to 6500s
Alarm Event
Alarm
Output T2
Pulse 1s to 6500s 0
Alarm Event
Alarm
Output T1
Oscillator 1s to 6500s 1s to 6500s
Alarm Event
Alarm
Output T1 T2 T1
Table 3 - Ti er Alar Functions
4. SPECIAL FUNCTIONS
4.1. MAXIMUM AND MINIMUM
The indicator e orizes the easured axi u and ini u
values (peak and valley). These two values are shown by pressing
either the MAX or MIN key. Pressing both keys si ultaneously will
clear the e ory for a new peak and valley detection.
4.2. SPECIAL FUNCTION KEY AND DIGITAL INPUT
The F key and the optional digital input can execute special functions
according to the user selection.
These functions can be chosen independently to the F key or to the
digital input. Figure 10 shows how to activate the digital input. A
closed contact or a short circuit at ter inals 8 and 9 is recognized as
activating the digital input.
The special functions for the F key and for the digital input are
explained as follows.
4.2.1. Hold
The ho d function freezes the easured value in the display. Each
touch at the F key or closing the digital input alternates fro ho d to
nor al ode.
Whenever the indicator is in the ho d ode a “HoLd” essage is
briefly displayed to show the operator that the displayed value is the
frozen value and not the present reading.
4.2.2. Peak Hold
The indicator turns auto atically to Peak Ho d ode whenever the F
key or the digital input are progra ed for “PHoLd”
This operation ode akes the indicator display only the axi u
reading value fro the ti e the key was pressed of the digital input
was activated.
Each activation of the F key or digital input triggers a new Peak
Ho d cycle and the display resets with a new peak value.
4.2.3. Reset (clears axi u and ini u )
This function works the sa e way as the MAX and MIN keys pressed
si ultaneously, as explained in the 5.1 section.
If this “rESEt” function is progra ed, for every touch of the F key or
activation of the digital input the e ory will be cleared and a new
cycle of axi u and ini u will start.
4.2.4. AL.oFF - Alar blocking
This function allows the user to block or inhibit the alar relays by
pressing the F key or by activating the digital input. Each touch of
the key or activation of the digital input will alternate the function fro
ON to OFF and vice-versa.
If an alar situation occurs, the respective alar status LEDs in the
front panel will light regardless of the relay alar blocking status.
4.2.5. Tare
This function is used to zero the display. The tare residual values is
subtracted or added to the total easured value. This function is
generally used with load cells and strain gauges and applies to linear
4-20 A, 0-50 V and 0-5 V inputs.
4.3. PROCESS VARIABLE RETRANSMISSION
As an option, the indicator can be supplied with an isolated 0-20 A
or 4-20 A analog output for Process Variable (PV) retrans ission.
The PV values which define the range of the 0-20 A or 4-20 A
retrans ission can be progra ed by the user in the high and ow
indication imits.
When available, this current output will be always active.
For a voltage output signal an external shunt (calibrated resistor)
should be installed at the analog output ter inals.
5. INSTALLATION
5.1. PANEL ASSEMBLY
The indicator is co posed of two parts: the fixing base and the front
part with ain circuits. The base ust be re oved fro the front and
fixed onto a wall by eans of four designed holes as shown in figure
2.
90
266
4X 4mm
3X 12mm
Figure 2 - Mounting the indicator in the panel cut-out.
The front part is only attached to the fixing base after all electrical
wire connections are done.

Indicator N1500G
NOVUS AUTOMATION 3/5
5.2. ELECTRICAL CONNECTIONS
The internal electronics can be re oved fro the front panel without
any cable disasse bly. The input signals and power connections are
shown in Figure 3.
Figure 3 - Back panel ter inals
5.2.1. Reco endations for Installation
• Input signal wires should be laid out away fro power lines and
preferably inside grounded conduits.
• Instru ent ains should be suitable for this purpose and wires
should not be shared with high consu ption otors and inductors.
• RC filters (47Ω and 100nF) are highly reco ended for valve and
contactor coils, etc.
5.2.2. Sensor or input signal connection
These connections should be properly done and ter inals ust be
well tightened. Ther ocouples ust be installed with proper
extension or co pensation cables.
Pt100 RTDs ust be 3-wire connected and the wires connected
should have the sa e electrical resistance (sa e wire gauge) for
correct cable length co pensation. Four-wire RTDs can be
connected by disconnecting the fourth wire. Two-wire RTDs can be
connected by shortening ter inals 7 and 8 and connecting the Pt100
to ter inals 8 and 9.
6. OPERATION
For best results this indicator requires correct setting of para eters
as input type (T/C, Pt100, 4-20 A, etc), alar s actuation point,
alar function, etc.
These para eters are divided in five levels or groups of para eters
which we will refer to as CYCLES.
Cycle Access
1- Work free access
2- Alarms
3- Functions
4- Configuration reserved access
5- Calibration
Table 4 - Para eters Cycles
The work cycle has free access. All other cycles require a certain
co bination of key strokes to be accessed. The co bination is:
and keys pressed simu taneous y
Within a certain cycle just press to go to the following
para eters. At the end of each cycle the display will go back to the
work cycle.
At the desired pro pt just press the MAX or MIN key to change this
para eter accordingly.
All changes are recorded in non-volatile e ory as we ove to next
pro pt. After 25 seconds with no key pressed the indicator will return
to the easuring cycle (work cycle).
6.1. CYCLE PROTECTION
The values of para eters of a certain cycle can be protected against
non-authorized users.
The protected para eters can still be viewed but can not be
changed.
To protect a cycle just press the BACK and MAX keys for 3 seconds
at the beginning of the referred cycle. To unlock this cycle just press
the sa e keys again for 3 seconds.
The disp ay wi brief y b ink confirming that the ocking or
un ocking of the cyc e.
7. PROGRAMMING THE INDICATOR
7.1. WORK CYCLE
This is the first and ain cycle. At power up the indicator will display
the Process Variable (PV). The alar setpoints are also displayed at
this cycle. To run through this cycle just press the key.
Whenever an alar is set with differential function the respective
alar setpoint is blocked (SP.AL1, SP.AL2, ...) and the display
shows “diF” to advise the operator that this is a configuration
para eter and that the respective deviation value ust be
progra ed at the Alar s Cycle. The “AL.rEF” pro pt will be
displayed showing the reference value for the alar with differential
function.
TELA PARAMETER DESCRIPTION
8.8.8.8.8.
Measure Shows the easured variable. For Pt100
or ther ocouples the display will show the absolute
te perature value.
For 4-20 A, 0-50 V and 0-5 V inputs the display
shows the values defined in the in.LoL” and “in.HiL”
pro pts.
With the ho d function progra ed the display
shows the frozen variable and alternates with the
essage “HoLd”.
Likewise, with Peak Hold function progra ed the
high li it is displayed with the “P.HoLd” pro pt
alternately.
Should any fault situation occur the indicator will
display an error essage which can be identified at
ite 11 of this anual.
Al.ref
Differentia A arm Reference Va ue - This pro pt
is shown only when there is an alar progra ed
with differential function.
Sp.al1
Sp.al2
Sp.al3
Sp.al4
Set Points of A arms 1, 2, 3 and 4 - Defines the
operation point of each alar progra ed with “Lo”
or “Hi” function.
Note: When the alar s are progra ed with
differential function, the alar setpoint cannot be
changed at this cycle and a “diF” essage will be
shown. The SP differential (deviation) value is set at
the Alar Cycle.
7.2. ALARM CYCLE
fV.al1
fV.al2
fV.al3
fV.al4
A arm Function - Defines the alar s 1, 2, 3 and 4
function, as defined in ite 4.1
oFF : Alar off
iErr : Broken or Shorted Sensor
Lo : Low value
Hi : High value
DiFL : Differential low
DiFH : Differential high
DiF : Differential
Df.al1
Df.al2
Df.al3
df.al4
Differentia SP for A arms 1, 2, 3 and 4 - Defines
the deviation value fro the alar setpoint in relation
to the Reference Value defined in the “ALdiF”
pro pt.
Note: This value cannot be changed at this cycle for
alar s with non-differential function and the “AbS” is
then displayed.
Ky.al1
Ky.al2
Ky.al3
ky.al4
A arm Hysteresis
This is the difference fro the easured value to the
point where the alar is turned ON and OFF.
Bl.al1
Bl.al2
Bl.al3
bl.al4
A arm B ocking
Should any alar condition occur, each alar can
be disabled when energizing the indicator. Refer to
ite 4.3.

Indicator N1500G
NOVUS AUTOMATION 4/5
Al1t1
Al1t2
Al2t1
Al2t2
Al3t1
Al3t2
Al4t1
Al4t2
Time A arms
The user can set delayed or sequential alar s as
shown in table 3 by defining ti es T1 and T2.
To disable this function just set zero for T1 and T2.
7.3. FUNCTION CYCLES
f.fvnc
F KEY FUNCTION - Options are
oFF - Key no used.
Ho d - Hold PV
AL.oFF - Alar disabled
rESEt - Resets Peak and Valley
PHoLd - Peak Hold
tArE - Tare zeroing
These functions are described in ite 5.2.
Dig.in
Digita Input Function - The sa e function
available for the F key:
oFF - Ho d - AL.oFF - rESEt - PHoLd - tArE
Refer to ite 5.2.
filtr
Input Digita Fi ter - Adjustable fro 0 to 20, this is
used to reduce instability of the easured value.
0 eans the filter is off and 20 eans axi u
filtering. The higher the filter value the lower is the
easured value response.
of et
Disp ay Offset - This a value which is added to the
PV to offset any easure ent deviation or sensor
error. The offset is shown directly in the progra ed
engineering unit.
For °F easure ents the null reference is at 32°F.
bavd
Baud Rate - Serial digital co unication speed in
bps.
Progra able: 1200, 2400, 4800, 9600 and 19200
bps.
Adre
Communication Address - A nu ber which
identifies the instru ent in a ultidrop network.
7.4. CONFIGURATION CYCLE
In.typ
Input Type - Selects the input signal or sensor type
to be connected to the PV ter inals. Refer to table
1.
Changing this para eter will change all other
para eters related to PV and alar s, therefore it
should be the first para eter to be set.
Dp.po
Decima Point Position - Defines the deci al point
position in the displayed value. This applies to linear
input types 0 to 50 V, 4 to 20 A and 0 to 5V as
selected at the “in.tYP” pro pt.
Vnit
Temperature Unit - Selects °C or °F indication. This
pro pt is not shown for input types 0 to 50 V, 4 to
20 A and 0 to 5V as selected at the “in.tYP”
pro pt.
.root
Square Root - This pro pt is only shown for input
types 0 to 50 V, 4 to 20 A and 0 to 5V as selected
at the “in.tYP” pro pt.
Set “YES” and the square root will be applied to the
easured value within the li its progra ed in
“in.LoL” and “in.HiL”.
The display will show the low li it value should the
input signal be below 1% of the range.
In.lol
Input Low Limit - Sets the low li it for input type 0
to 50 V, 4 to 20 A or 0 to 5 V. When the PV
Retransmition is used this li it defines the
corresponding 4 A (or 0 A) in relation to the input
value.
In.kil
Input High Limit - Sets the high li it for input type 0
to 50 V, 4 to 20 A or 0 to 5 V. When the PV
Retransmition is used this li it defines the
corresponding 20 A in relation to the input value.
S(ale
Sca e Factor - Multiplies the displayed value by 10
to increase easured range.
Ovt.ty
Ana og Output Type - Selects the analog output
type to either 0 to 20 A or 4 to 20 A.
8.5 CALIBRATION CYCLE
A input types are factory ca ibrated and fie d ca ibration is
se dom necessary. Shou d it be required the ca ibration shou d
on y be done by experienced personne .
If this cyc e is accidenta y accessed do not touch the or
keys. Just press the index key and go through a cyc es
unti the disp ay shows the main or operation menu.
In.lo(
Input Low Calibration - Sets the Process Variable low
calibration (offset). Several key strokes at or
might be necessary to increment one digit.
In.ki(
Input Hi Calibration - Sets the Process Variable span
calibration (gain). Several key strokes at or
might be necessary to increment one digit.
Ov.lo(
Ana og Output Low Ca ibration - Sets the analog
current output low calibration (offset).
Ov.Ki(
Ana og Output Span Ca ibration - Sets the analog
current output high calibration (span).
(J lo
Co d Junction Ca ibration - Allows the user to
adjust the this calibration directly in degrees for
achieving best results with ther ocouples.
k.type
Hardware Type - These para eters adapts the
software to the hardware available and should not be
changed by the user.
0 - No options
1 - With alar s 3 and 4
2 - With digital input
8. DIGITAL COMMUNICATION
The indicator can be supplied with an asynchronous RS-485 digital
co unication interface for aster-slave connection to a host
co puter ( aster).
The indicator works as a slave only and all co ands are started by
the co puter which sends a request to the slave address. The
addressed unit processes the co and and sends back the answer.
Broadcast co ands (addressed to all indicator units in a ultidrop
network) are accepted but no response is generated.
8.1. CHARACTERISTICS
-RS-485 co patibility with two-wire bus fro the host to up to 31
slaves in a ultidrop network topology.
-Up to 247 units can be addressed by the MODBUS RTU protocol.
-Maxi u network distance: 1200 .
-Ti e of indicator disconnection: Maxi u of 2 s after the
delivery of the last byte.
-Co unication signals electrically isolated fro the rest of the
instru ent.
-Baud rate: 1200, 2400, 4800, 9600, 19200, 38400 or 57600 bps.
-Nu ber of data bits: 8, without parity or even parity
-Nu ber of stop bits: 1
-Ti e to start response trans ission: 100 s axi u delay after
acknowledging the co and.
-Protocol: MODBUS (RTU)

Indicator N1500G
NOVUS AUTOMATION 5/5
Dois parâ etros deve ser configurados para utilização da interface
de co unicação serial: o Baud-Rate de Co unicação (parâ etro
bavd
bavdbavd
bavd) e o Endereço de Co unicação (parâ etro adre
adreadre
adre ).
RS485 INTERFACE: ELECTRICAL CONNECTION
The RS-485 signals are: D1 = D: Bidirectional data line
D0 =
D:
Inverted bidirectional data line
C = GND: Optional connection. I proves
co unication perfor ance for
long cable runs.
9. PROBLEMS WITH THE INDICATOR
Connection errors or i proper configuration will result in
alfunctioning of the indicator. Carefully revise all cable connections
and progra ing para eters before operating the unit.
So e error essages will help the user identify possible proble s.
Message Possib e Prob em
Measured value is above the progra ed
sensor or input signal li it.
Measured value is below the progra ed sensor
or input signal li it.
Open input. No sensor is connected or the
sensor is broken.
Pt100 cable resistance is too high or the sensor
is badly connected.
Different essages other than the ones above should be reported to
the anufacturer. Please infor the serial nu ber if this should
occur. the serial nu ber can be viewed at the display by pressing the
BACK key for about 3 seconds.
The software version of the instru ent can be viewed at the ti e the
unit is powered. The instru ent ight display false error essages
when wrongly progra ed or when connected to a sensor for which
it was not progra ed.
10. SPECIFICATIONS
DIMENSIONS:.........................310 x 110 x 37 . Approxi ate weight: 975 g
POWER: ....................................................100 to 240 Vac/dc ±10 %; 50/60 Hz
Max. Consu ption:........................................................................... 10 VA
ENVIRONMENTAL CONDITIONS:
Operating te perature:.............................................................. 5 to 50 °C
Maxi u RH:........................................................................80 % up to 30 ºC.
..................................For te peratures above 30 ºC, decrease 3 % per ºC.
........................................................ for indoor use; Installation category II,
pollution degree 2; altitude < 2000
INPUT ...................................Keyboard selection of input type (refer to table 1)
Interna reso ution: ............................................................... 19500 levels
Disp ay reso ution:...........................................................................12000
Input samp e rate:.................................................................5 per second
Accuracy: .....................Ther ocouples J, K, T, N: 0.25 % of span ±1 ºC
........................................Ther ocouple E, R, S, B: 0.25 % of span ±3 ºC
...................................................................................Pt100: 0.2 % of span
................................................. 4-20 A, 0-50 V, 0-5 V: 0.15 % of span.
Input impedance:..............0-50 V, Pt100 and ther ocouples: >10 MΩ
...............................................................................................0-5 V: >1 MΩ
.............................................................................0-20 A, 4-20 A: 22 Ω
Pt100 measurement:............................DIN 43760 standard (α=0.00385)
Excitation current:..................................................................... 0.750 A
3-wire circuit, cable resistance co pensation
ANALOG OUTPUT:...0-20 A or 4-20 A, 550 Ω ax.; 4000 levels, isolated
RELAY OUTPUT:.......ALM1 and ALM2: SPST: 1.5 A / 240 Vac (3 A / 30 Vdc)
EMC :............................................EN 61326-1:1997 and EN 61326-1/A1:1998
SAFETY:......................................... EN61010-1:1993 and EN61010-1/A2:1995
START UP 3 SECONDS AFTER POWER UP;
PROTECTION: IP30
11. ORDERING INFORMATION
N1500G- RT - 485
A B C
A: Series odel: 1500G
B: Analog output: RT – (Retrans ission of the input
signal) or B ank
C:Digital Co unication: 485 – ( RS485, ModBus protocol)
or B anck
12. WARRANTY
This product is covered by a 12- onth warranty provided the
purchaser presents the sales receipt and the following conditions are
et:
♦ Products are covered for one year fro the original date of
purchase. Please retain the dated sales receipt as evidence of
the date of purchase. You will need it for any warranty service
♦ Within this period, warranty against defects in aterial and
work anship under nor al use is free of charge.
♦ For repair, send the product and the sales receipt to our address.
Expenses and transportation risks are under the purchaser’s
responsibility.
♦ This warranty does not cover any da age due to accident,
isuse, abuse, or negligence.