ATR144 | 32x74mm PID Controller

The ATR144 is a PID controller in the compact 32x74mm format that keeps the same flexibility of the entire ATR Blue Line range. 

The analogue input is programmable for a wide range of temperature probes as well as mA/Volt process signals (pressure, flow, leve, humudity...).

Digital outputs are programmable as either ON/OFF control or PID regulation; multiple alarm modes (threshold, band, upper/low deviation..) are also selectable.

RS485 communication serial and Modbus RTU/ Slave protocol are the network communication options.

The extended range power supply 24....230V AC/DC with galvanic isolation from the mains extends its flexibility in the event of fluctuations in electricity grid  and also for stock management as one single code covers different applications.

  • Dimensions
    74 x 32 x 53 mm
  • Material
    Box: PC UL94V2 self-extinguishing. Front panel: PC UL94V2
  • Weight
    Approx. 120 g
  • Sealing
    Front panel: IP65, Box and terminal blocks: IP20
  • Operating conditions
    Temperature 0-45 °C, humidity 35..95 RH%, max elevation 2000m
  • Certifications
    CE, UL




Power supply

24..230 V AC / DC ±15% 50/60 Hz - galvanic isolation 2,5KV


5 Watt/Va


4 digits 9.6 mm (0.38"), 5 digits 7.1 mm (0.28"), 6 Led signaling

Analogue inputs

1 x Ris. 16bit, programmable for thermocouples K, S, R, J, T, E, N, B (automatic compensation of cold junction -25..85°C, Toll. @25°±0,2% F.S. ±1 digit F.S.), Thermoresistances PT100, PT500, PT1000, Ni100, Ni120, PTC 1K, NTC 10K (β
3435K e β3694K), NTC 2252 (β3976K) , process signals 0..1/5/10 V (50000 points), 0/4..20mA (40000 points), 0..60 mV (25000 points), potentiometer 1..150 KΩ (50000 points).
0-10 V: Ri>110 KΩ
0-20 mA: Ri<5 Ω
0-40 mV: Ri>1 MΩ

Sampling time

Programmable up to 2,1 ms (frequency up to 470 Hz)

Digital inputs

2x PNP (only with sensors different from PT100 3 wires)

Digital outputs

1x SSR 12 / 24 V DC - 25 mA max

1x SSR 12 / 24 V DC - 25 mA max

Auxiliary Outputs

12/24 VDC - 30mA max for sensor supply

Relais Outputs

2x 2 A - 250 V AC resistive load

1x 2 A - 250 V AC resistive load

Serial communication


RS485 (1200..115200 Baud) galvanically isolatd


1x micro USB for programming via PC with LabSoftView

  • Control algorithms
    ON - OFF with hysteresis, P., P.I., P.I.D., P.D. time-proportioned
  • Tuning
    Manuale or automatic
  • Alarm mode
    Absolute/ threshold, band, upper/lower deviation, Alarms with optional manual reset and activation delay, Loop Break Alarm.
  • Dual PID
    Heating / cooling with dual PID
  • Soft-Start
    Rising gradient programmable as Degree / hour or fixed output %
  • Open/Close logics
    Motorised valves
  • Software parameter configuration
    Memory Card, software LABSOFTVIEW, codes EASY-UP - Programming via APP (NFC) "MyPixsys" for Android e iOS devices
  • Data protection
    Lock of Command/Alarm Setpoints - Access to parameters by Password
  • Communication protocols
    Modbus RTU