ATR244

Modbus Temperature Controller
  • Features
    • Modbus RS485
    • RFID Programmable
    • PC and APP Programmable
    • Single or Dual Channel
    • 1/16 Din, 48 x 48 mm cut out
    • 24 to 230 Vac dc Power Supply
    • Isolated
    • 3 Relays, 2 SSR, 4-20mA output



Modbus Temperature Controller

Modbus Temperature Controller Infographics

The ATR244 Modbus Temperature Controller is a state-of-the-art, 1/16 DIN controller designed to meet the demanding needs of industrial temperature management. This controller is equipped with advanced features that make it ideal for various applications, ensuring precision and reliability.

Key Features

Versatile Inputs and Outputs

The ATR244 accepts various sensor inputs, including:

With its capability to handle digital inputs and current transformer inputs, the ATR244 ensures flexibility and accuracy in various industrial settings. It also supports remote setpoints, making it ideal for both heating and cooling PID control applications.

Bright and Clear Display

The four-digit bright LED display guarantees excellent visibility, even from a distance. The display can be configured to read in engineering units, enhancing user readability and reducing errors.

Advanced Programming and Communication

The ATR244 stands out with its RFID programming capability, allowing users to program the device wirelessly using an Android smartphone. Additionally, it can be programmed via a PC using Labsoftview software or a memory card, and functions as a Modbus RTU slave for seamless integration into automation systems.

Robust Power Supply and Isolation

Operating across a broad power range from 24 V to 230 Vac/dc, the ATR244 offers 2500 V isolation to ensure reliable performance and protection in demanding environments.

Flexible Output Options

In addition to Modbus RS485 communication and analog outputs (4-20 mA or 0-10V), the ATR244 provides:

ATR244 Specifications

Input °F °C
K type Thermocouple -436 to 2480°F -260 to 1360°C
S type Thermocouple -40 to 3200°F -40 to 1760°C
R type Thermocouple -40 to 3200°F -40 to 1760°C
J type Thermocouple -328 to 2192°F -200 to 1200°C
T type Thermocouple -436 to 752°F -260 to 400°C
E type Thermocouple -436 to 1796°F -260 to 980°C
N type Thermocouple -436 to 2336°F -260 to 1280°C
B type Thermocouple 100 to 3308°F 100 to 1820°C
RTD PT100 -328 to 999°F -200 to 600°C
NI 100 -76 to 356°F -60 to 180°C
Ntc 1 10K B3435K Thermistor -40 to 257°F -40 to 125°C
PTC 1K Ohm Thermistor -40 to 257°F -40 to 150°C
PT500 -148 to 999°F -100 to 600°C
PT1000 -148 to 999°F -100 to 600°C
Voltage 0 to 60mV 0 to 1V
Voltage 0 to 5V 0 to 10V
Current 0 to 20mA 4 to 20mA
Potentiometer 1 to 6K 1 to 150K
NTC 10K B3694K -40 to 257°F -40 to 150°C
NTC 2252 B3976K -40 to 257°F -40 to 150°C
Digital Input 1 PNP.
Output 2 or 3 x Relays 8 A. SSR.
Power Supply 24V to 230 Vac/Vdc. 50/60 Hz with 2.5KV galvanic isolation.
Communication protocol Modbus RTU Slave Device, RS485
Baud rate 1200 to 115200 Galvanic isolation.
Power Consumption 8VA max.
Power Supply Operative- 32°F +113°F -0°C +45°C
Humidity (non condensing) 35-95%.
Housing Polycarbonate UL94V2 self-extinguishing
Dimensions 3 3/8" x 3 " x 2 1/8", 35 x 77x x 53 mm.
Weight 3 oz 100 g.
EMC For industrial environments.
Immunity: EN 61000-6-2.
Emission: EN 61000-6-4.
Configuration RFID, NFR, PC Configurable, Memory Card

ATR244 Single Channel Wiring Connections

Power Supply ATR244-12ABC ATR244-12ABC-T ATR244-13ABC
Positive Terminal 1 Terminal 1 Terminal 1
Negative Terminal 2 Terminal 2 Terminal 2
Output
Relay 1
Normally Closed Terminal 3 Terminal 3 Terminal 3
Common Terminal 4 Terminal 4 Terminal 4
Normally Open Terminal 5 Terminal 5 Terminal 5
Relay 2
Common Terminal 7 Terminal 7 Terminal 7
Normally Open Terminal 8 Terminal 8 Terminal 6
Relay 3
Common Terminal 7
Normally Closed Terminal 8
Analog Output Positive 9 Positive 9 Positive 9
Negative 10 Negative 10 Negative 10
ModBus RS485 Positive 11
Negative 12
Digital Output
DO2 PNP Terminal 11 Terminal 13 Terminal 11
DO1 PNP Terminal 12 Terminal 14 Terminal 12
Digital Input
DI2 PNP Terminal 13 Terminal 14 Terminal 13
DI1 PNP Terminal 13 Terminal 14 Terminal 13
Current Input
Positive Terminal 11
Negative Terminal 13
T/C's, Voltage, mA Positive 19 Positive 19 Positive 19
Negative 18 Negative 18 Negative 18
Thermistor Terminal 17 Terminal 17 Terminal 17
Terminal 19 Terminal 19 Terminal 19
RTD and Potentiometer
Wiper Terminal 18 Terminal 18 Terminal 18
Common Terminal 17 and 19 Terminal 17 and 19 Terminal 17 and 19

ATR244-12ABC

The ATR244-12ABC is a single-input temperature or process controller designed for precision and reliability. This model features an analog input and one analog output, making it versatile for various applications. Additionally, it includes 2 relays with 2 Amp contacts, 2 solid state outputs, and 2 digital inputs.

single channel temperature controller wiring diagram

Key Features

  • Single Analog Input: Accepts temperature or process signals.
  • Analog Output: Provides one analog output for versatile control.
  • Relays: Equipped with 2 relays, each with 2 Amp contacts for robust switching.
  • Solid State Outputs: Includes 2 solid state outputs for fast and reliable performance.
  • Digital Inputs: Comes with 2 digital inputs for additional control options.

ATR244-12ABC-T

The ATR244-12ABC-T is a single-input temperature or PID controller equipped with a Modbus communication port. It features an analog input and one analog output, making it suitable for various applications. Additionally, it includes 2 relays with 2 Amp contacts, 2 solid state outputs, and 1 digital input.

single channel temperature controller with Modbus modbus wiring diagram

Key Features

  • Modbus Communication Port: Enables seamless data exchange and integration with other systems.
  • Single Analog Input: Accepts temperature or PID control signals.
  • Analog Output: Provides one analog output for versatile control.
  • Relays: Equipped with 2 relays, each with 2 Amp contacts for robust switching.
  • Solid State Outputs: Includes 2 solid state outputs for fast and reliable performance.
  • Digital Input: Comes with 1 digital input for additional control options.

ATR244-13ABC

The ATR244-13ABC is a single-input temperature or PID controller that features an analog input, a current transducer input, and one analog output. Additionally, it includes three relays with 2 Amp contacts, two solid-state outputs, and two digital inputs.

temperature controller current transformer input wiring diagram

Key Features

  • Single Analog Input: Accepts temperature or PID control signals.
  • Current Transducer Input: Provides additional input flexibility.
  • Analog Output: Offers one analog output for versatile control.
  • Relays: Equipped with three relays, each with 2 Amp contacts for robust switching.
  • Solid State Outputs: Includes two solid-state outputs for fast and reliable performance.
  • Digital Inputs: Comes with two digital inputs for additional control options.

ATR244 Dingle Channel Wiring Connections

Power Supply ATR244-23A-T ATR244-23BC-T
Positive Terminal 1 Terminal 1
Negative Terminal 2 Terminal 2
Output
Relay 1
Normally Closed Terminal 3 Terminal 3
Common Terminal 4 Terminal 4
Normally Open Terminal 5 Terminal 5
Relay 2
Common Terminal 7 Terminal 7
Normally Open Terminal 6 Terminal 6
Relay 3
Common Terminal 7 Terminal 7
Normally Open Terminal 8 Terminal 8
Analog Output 1 Positive 10 Positive 10
Negative 11 Negative 11
Analog Output 2 Positive 12 Positive 12
Negative 13 Negative 13
ModBus RS485 Positive 19 Positive 19
Negative 9 Negative 9
Digital Output
DO2 PNP Terminal 24 Terminal 21
DO1 PNP Terminal 20 Terminal 24
Digital Input
DI1 PNP Terminal 20 Terminal 24
DI2 PNP Terminal 21 Terminal 24
DI3 PNP Terminal 22 Terminal 24
DI4 PNP Terminal 23 Terminal 24
Current Input
Positive Terminal 22 Terminal 22
Negative Terminal 23 Terminal 23
Channel 2
T/C's, Voltage, mA Positive 18 Positive 18
Negative 17 Negative 17
Thermistor Terminal 17 Terminal 17
Terminal 16 Terminal 16
RTD and Potentiometer
Wiper Terminal 18 Terminal 18
Common Terminal 17 and 19 Terminal 17 and 19
Channel 2
T/C's, Voltage, mA Positive 28 Positive 28
Negative 27 Negative 27
Thermistor Terminal 27 Terminal 27
Terminal 26 Terminal 16
RTD and Potentiometer
Wiper Terminal 28 Terminal 28
Common Terminal 27 and 29 Terminal 27 and 29

ATR244-23A-T

The ATR244-23A-T is a dual-input temperature or process controller that features analog inputs and two analog outputs. Additionally, it includes 3 relays with 2 Amp contacts, 2 solid-state outputs, and 2/4 digital inputs. It also supports Modbus RTU RS485 communication and has a current transducer input. The power supply for this model is 24 Vac/dc.

Duel channel temperature controller wiring diagram 24 Vdc power supply

Key Features

  • Dual Analog Inputs: Accepts temperature or process control signals.
  • Analog Outputs: Provides two analog outputs for versatile control.
  • Relays: Equipped with 3 relays, each with 2 Amp contacts for robust switching.
  • Solid State Outputs: Includes 2 solid-state outputs for fast and reliable performance.
  • Digital Inputs: Comes with 2/4 digital inputs for additional control options.
  • Modbus RTU RS485 Communication: Enables seamless data exchange and integration with other systems.
  • Current Transducer Input: Provides additional input flexibility.
  • Power Supply: Operates on 24 Vac/dc power supply.

ATR244-23BC-T

The ATR244-23BC-T is a dual input/output temperature or process controller equipped with a Modbus communication port. It includes 3 relays with 2 Amp contacts, 2 solid-state outputs, and 2 digital inputs. The power supply for this model ranges from 115 to 230 Vac.

Duel channel temperature controller modbus wiring diagram. Power supply 115 to 230 Vac.

Key Features

  • Modbus Communication Port: Enables seamless data exchange and integration with other systems.
  • Dual Inputs and Outputs: Accepts temperature or process control signals and provides versatile control.
  • Relays: Equipped with 3 relays, each with 2 Amp contacts for robust switching.
  • Solid State Outputs: Includes 2 solid-state outputs for fast and reliable performance.
  • Digital Inputs: Comes with 2 digital inputs for additional control options.
  • Power Supply: Operates on 115 to 230 Vac power supply.

Control Algorithms

ATR244 FAQ

Can the ATR244 accept a 4-20mA input from a Temperature Transmitter and display in Kelvin with a range of -80 to 1500 °K?. I need 1 output for PID control and another output for retransmission of the inputs. Is this possible and how is it done?

Yes, both the ATR244-23A-T and ATR244-23BC-T models can handle this application. Use the Pixsys App on an Android mobile phone to configure the following parameters:

  • P-1: Change the input to 4-20 mA.
  • P-2: Change the decimal point to 0.0.
  • P-4: Lower Linear Input AL1 -80°C.
  • P-5: Upper Linear Input AL1 1500°C.
  • P-35: Command Output 1 select 0-10V.
  • P-36: Command Process 1 AI1.
  • P-40: Lower Limit Setpoint 1 -80.
  • P-41: Upper Limit Setpoint 1 1500.
  • P-54: Command output 2 Disabled as there is no second input.
  • P-73: Tune 1 Select Auto for Auto tune.
  • P-298: Retransmission 1 is Disabled.
  • P-308: Retransmission 2 is Change to AI1.
  • P-309: Retransmission 2 Type Select output 0-10 V.
  • P-310: Retransmission 2 Lower Limit Select -80.
  • P-311: Retransmission 2 Upper Limit Select 1500.

ATR244 Selection Guide

atr244 selection guide

Enhance your industrial control systems with the ATR244 Modbus Temperature Controller, offering unparalleled flexibility, advanced features, and robust performance.

Simplified Version: PID Controller ATR224 For applications requiring fewer features, the ATR224 offers a simplified alternative. It accepts programmable inputs for various temperature sensors and process signals (mA/Volt), commonly used with pressure transmitters, humidity, and flow sensors.

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