Pixsys ATR124
Panel-mounted indicating PID controller with dual setpoint and NFC configuration

Features

  • Low-cost indicating PID controller
  • Ideal for temperature, flow, level, pH or pressure measurements, and many others
  • Two setpoints for control and alarm
  • Universal input for sensors including current, voltage, thermocouple, RTD etc
  • Universal supply voltage 24 to 230 V AC/DC or 12 to 24 V AC/DC
  • Relay and SSR outputs
  • Settings configurable via NFC and phone app, push-button controls, software or memory card
  • Optional RS-485 Modbus RTU communications
  • CE Marked and UL Recognized

General Specifications

Inputs
1 input, configurable for J, K , R, S or T thermocouples; Ni100; Ni120; Pt100; Pt500;
Pt1000; PTC; NTC; 0-20 mA, 4-20 mA; 0 to 60 mV; 0 to 10 V DC; potentiometer 1
to 150 kΩ
Input Tolerance (at 25°C)
± 0.2% of full scale ± 1 digit for thermocouple, thermoresistance and V / mA
Loop Impedance
0-10 V: Ri > 110 KΩ
0-20 mA: Ri < 5 Ω
0-40 mV: Ri > 1 MΩ
Outputs
Control relay 8 A; Alarm relay 5 A; SSR Control/Alarm; Open/Close logic (time-proportioned), RS485 Modbus RTU Slave (-ADT models)
Setpoints
2 setpoints: one for control; one for alarm
Control Action
ON/OFF; PID Autotuning; Heating/Cooling PID
Outputs
1 or 2 relay outputs (depending on model) + 1 SSR output.
One output can be assigned to each setpoint
Relay Outputs
Relays 5 A, 250 V AC resistive load
SSR Output
SSR 12 V, 25 mA, min load 1 mA; Open/Close logic (time-proportioned)
Digital Communications
(-T models only:) RS-485 Modbus RTU Slave, 1200 to 115200 baud, galvanically
isolated
Alarm mode
Absolute / Threshold, Band, High / Low deviation. Optional manual reset
Control Action
ON/OFF with hysteresis; P, PI, PID, PD time proportional, with manual or automatic
tuning; dual Heating/Cooling PID; open/close logic for motorised valve control
Configuration
Via push-button controls, or NFC (MyPixsys app), or memory card, or MyPixsysLab
software. Parameters protected by password
Cold Junction Compensation
Automatic compensation from -25°C to 85°C
Cold junction accuracy 0.1°C / °C
Display
3-digit white LED with configurable decimal point; LED status indicators
Accuracy
0.5% ± 1 digit for thermocouple / RTD; 0.2% ± 1 digit for mA / V
Sampling Time
As fast as 2.1 ms (up to 470 Hz); configurable software filters to slow response on
input and display
Supply Voltage
24 to 230 V AC/DC ± 15% or 12 to 24 V AC/DC ± 10% (depending on model).
All models isolated
Power consumption
5 W (-ABC models); 4.5 W (-AD models)
Operating Temperature
0°C to 45°C
Operating Humidity
35% to 95% RH
Sealing
Front panel: IP65 (with gasket); enclosure and terminal blocks: IP20
Dimensions
32H x 74W x 53D mm
Product Markings
CE, UL, RoHS Compliant

Electrical Installation

Dimensions (mm)

The following accessories are available for the ATR124:

• USB memory card for quick configuration of many controllers

• MyPixsysLab software for configuration

• Bluetooth module to allow configuration via iOS devices

The ATR124 is available from Calex at low cost from stock. Contact us for a quotation

Model Inputs Outputs Supply Voltage
ATR124-ABC 1 configurable analogue input 2 Relays 5 A + 1 digital output 24 .. 230 V AC/DC ±15% 50/60 Hz – 5 W
ATR124-ABC-T 1 configurable analogue input 1 Relay 5 A + 1 digital output + RS-485 Modbus RTU 24 .. 230 V AC/DC ± 15% 50/60 Hz – 5 W
ATR124-AD 1 configurable analogue input 2 Relays 5 A + 1 digital output 12 .. 24 V AC/DC ± 10% 50/60 Hz – 4.5 W
ATR124-AD-T 1 configurable analogue input 1 Relay 5 A + 1 digital output + RS-485 Modbus RTU 12 .. 24 V AC/DC ± 10% 50/60 Hz – 4.5 W

2100.30.013    USB memory card for transferring configuration parameters (optional)