Pixsys ATR 121 User manual

ATR 121-141
Controller / Regolatore
User manual / Manuale d’uso

Table of contents
1 Safety guide lines ................................................................................5
2 Model identification...........................................................................6
3 Technical features...............................................................................6
3.1 General features.........................................................................6
4 Hardware features..............................................................................7
4.1 Software features ......................................................................8
5 Dimensions and installation............................................................8
6 Electrical wirings .................................................................................9
6.1 Wiring diagram..........................................................................9
7 Display and keys functions.............................................................13
7.1 Numeric indicators (Display)................................................13
7.2 Meaning of status lights (Led)..............................................13
7.3 Keys..............................................................................................14
8 Controller functions..........................................................................14
8.1 Modifying main setpoint and alarm setpoint values....14
9 Tuning ..................................................................................................15
9.1 Auto-tune...................................................................................15
9.2 Manual tuning..........................................................................15
9.3 Automatic tuning ....................................................................16
9.4 Memory card (optional).........................................................16
9.5 Latch On function....................................................................17
9.6 Dual action Heating-Cooling...............................................19
10 Dead band function .........................................................................21
11 Serial communication .....................................................................22
12 Configuration.....................................................................................25
12.1 Loading default values...........................................................25
12.2 Modify configuration parameters ......................................26
13 Configuration parameters..............................................................27
14 Alarm intervention modes..............................................................36
15 Table of anomaly signals ................................................................39

Sommario
1 Norme di sicurezza ...........................................................................42
2 Identificazione del modello............................................................43
3 Dati tecnici ..........................................................................................43
3.1 Caratteristiche generali .........................................................43
4 Caratteristiche hardware................................................................44
4.1 Caratteristiche software........................................................45
5 Dimensione e installazione ............................................................46
6 Collegamenti elettrici.......................................................................46
6.1 Schema di collegamento.......................................................47
7 Funzione dei visualizzatori e tasti.................................................51
7.1 Indicatori numerici (display).................................................51
7.2 Significato delle spie di stato (led).......................................51
7.3 Tasti .............................................................................................52
8 Funzioni del regolatore....................................................................53
8.1 Modifica valore setpoint principale e di allarme ............53
9 Tuning ..................................................................................................53
9.1 Auto-tune...................................................................................54
9.2 Lancio del tuning manuale...................................................54
9.3 Tuning automatico .................................................................54
9.4 Memory card (opzionale)......................................................55
9.5 Funzione Latch On ..................................................................56
9.6 Funzionamento in doppia azione (Caldo-Freddo).........58
10 Funzione banda morta....................................................................60
11 Comunicazione seriale ....................................................................61
12 Configurazione..................................................................................64
12.1 Caricamento valori di default ..............................................64
12.2 Modifica parametri di configurazione...............................65
13 Parametri di configurazione ..........................................................66
14 Modi d’intervento allarme..............................................................75
15 Tabella segnalazioni anomalie.....................................................78

User manual - ATR121/141 - 5
Introduction
Thank you for choosing a Pixsys controller.
Versions with three/four digits display are available and the
device fits a wide range of applications with the most diverse
sensors like temperature/humidity/pressure sensors or linear
potentiometers.
Output options include both relay and SSR logic, but it is
possible to configure the unit also as indicator for installations
that do not require control or alarm ouputs.
PID and Autotune allow to adapt the regulation algorithm
to the installation , while LATCH ON function speeds up the
device calibration when linear potentiometers are used.
As on the latest Pixsys instrumentation, the configuration is
further simplified by the Memory cards which are provided
with internal battery and therefore do not require cabling to
power the controller.
1 Safety guide lines
Read carefully the safety guidelines and programming
instructions contained in this manual before using/
connecting the device. Disconnect power supply before
proceeding to hardware settings or electrical wirings.
Only qualified personnel should be allowed to use the device
and/or service it and in accordance to technical data and
environmental conditions listed in this manual.
Do not dispose electric tools together with household waste
material. In observance European Directive 2002/96/EC on
waste electrical and electronic equipment and its implemen-
tation in accordance with national law, electric tools that have
reached the end of their life must be collected separately and
returned to an environmentally compatible recycling facility.

6 - ATR121/141 - User manual
2 Model identification
ATR121-141 AD 12..24Vac ±10% 50/60Hz
12..35Vdc
ATR121-141 A 24 Vac ±10% 50/60 Hz (galvanical
isolation 2500V)
ATR121-141 B 230 Vac ±10% 50/60 Hz (galvanical
isolation 2500V)
ATR121-141 C 115 Vac ±10% 50/60 Hz (galvanical
isolation 2500V)
ATR121-141 ADT 12..35Vdc + RS485
Relay Q2 not available, alarm function
available on SSR output.
3 Technical features
3.1 General features
Display
3 displays (0,56 inch) on ATR121
4 displays (0,40 inch) on ATR141
+ 3 leds (OUT1 , OUT2 , FNC)
Environmental
conditions
Temperature 0-45 °C, Humidity 35..95
uR% (without condense)
Sealing Front panel: IP54 (IP65 with gasket) - Box:
IP30 - Terminals: IP20
Material Polycarbonate UL94V2 self-extinguishing
Weight Approx. 100 gr.
Power
consumption
ATR121/141-A: 2,6VA max
ATR121/141-B: 4,4VA max
ATR121/141-C: 5,7VA max
ATR121/141-AD: 2,4VA max
ATR121/141-ADT: 2,6VA max

User manual - ATR121/141 - 7
4 Hardware features
Analogue
inputs
AN1. Configurable via
software.
Thermocouple type:
K, S, R, J.
Thermoresistance:
PT100, PT500, PT1000,
Ni100, PTC1K, NTC10K
(β 3435K).
Linear: 0-10V, 0-20 or
4-20mA, 0-40mV
Potentiometers:
6KΩ, 150KΩ,
Acuracy: Ris. 16bit.
For Thermocouple:
@25°C ±0,5% (full scale)
or ± 1 digit, automatic
compensation of cold
junction from 0°C to 50°C.
For linear input:
0/4..20mA: 30000 points,
0..10V: 40000 points.
For potentiometers:
40000 points
Impedance:
0-10V: Ri>110KΩ
0-20mA: Ri<5Ω
4-20mA: Ri<5Ω
Relay
outputs
2relays (ATR121/141-
AD-A-B-C)
1 relay (ATR121/141-
ADT)
Configurable as
command and/or
alarm output
Contacts:
Q1: 8A-250V~ (10A mod.
AD and ADT)
for resistive loads
Q2: 5A-250V~
for resistive loads
SSR
output
1 SSR Configurable as
command output and/
or alarm output.
For ATR121/141 A-B-C
• 8Vdc/20mA
For ATR121/141 AD - ADT
• 15Vdc/30mA (if 12Vac)
• 30Vdc/30mA (if 24Vac)
• If DC supply is used,
output voltage is
equal to supply
voltage with max
30mA.

8 - ATR121/141 - User manual
4.1 Software features
Regulation
algorithms
ON-OFF with hysteresis.
P, PI, PID, PD with proportional time
Proportional
band 0..999°C or °F
Integral time 0..999s (0 excludes integral function)
Derivative time 0..999s (0 excludes derivative function)
Controller
functions
Manual or automatic Tuning,
configurable alarm, protection of
command and alarm setpoints, heating/
cooling PID function.
5 Dimensions and installation
Memory Card (optional)
with battery
Cod. 2100.30.003
Cod. 2100.30.005
42mm
insert memory card
inserimento memory card

User manual - ATR121/141 - 9
6 Electrical wirings
Although this controller has been designed to resist
electromagnetic interferences in industrial environments,
please observe following safety guidelines:
• Separate control line from power wires.
• Avoid proximity of remote control switches, electroma-
gnetic contactors, powerful engines and in all instances
use specific filters.
• Avoid proximity of power groups, especially those with
phase control
6.1 Wiring diagram
6.1.a Models: ATR121-AD/ADT and ATR141-AD/ADT
1 2
12..35 VDC
+-
12..24 VAC
ATR121/141-AD: Class 2 source
12..24Vac ±10% 50Hz/60Hz
12..35Vdc (comply with polarity)
NB: version T with RS485 only 12..35Vdc
Use copper conductors only

10 - ATR121/141 - User manual
6.1.b Models: ATR121-A-B-C and ATR141-A-B-C
1 2
Vac supply
ATR121/141 - A: 24Vac ±10% 50/60Hz
Class 2 source
ATR121/141 - B:
230Vac ±10% 50/60Hz
ATR121/141 - C:
115Vac ±10% 50/60Hz
Use copper conductors only
6.1.c AN1 Analogue Input
-
+
Tc
11 12
Shield/Schermo
For thermocouples K, S, R, J.
• Comply with polarity
• For possible extensions, use
compensated cable and terminals
suitable for the thermocouples
used(compensated)
• When shielded cable is used, it should
be grounded at one side only
(only for models: AD / ADT)
For a correct functioning of the device,
use sensors insulated from the ground.
Otherwise, use a single transformer
isolated for each instrument.
10 11 12
PT/NI100
Shield/Schermo
For thermoresistances PT100, NI100
• For the three-wire connection use
wires with the same section
• For the two-wire connection
short-circuit terminals 10 and 12
• When shielded cable is used, it should
be grounded at one side only
10
11
12
ROSSO
BIANCO
ROSSO