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 1/16 DIN Modbus enabled Controller that can accept inputs from a variety of industrial sensors. These inputs can be 4-20 mA, 0-10 V, Potentiometers, or temperature sensors such as Thermocouples, RTD's, and Thermistors. The ATR244 also has digital inputs and current transformer inputs. It is possible to have a remote setpoint. It can operate as a heating or cooling PID Controller. The display is a four-digit bright display that ensures long-range visualization. The LED display can be enabled to read in engineering units.
The ATR244 is the first Temperature Controller that can be programmed by RFID from an Android device. It can still be programmed by Labsoftview on a regular PC and by Memory card and then can act as a Modbus RTU slave.
The power supply on the ATR244 can be from 24 V to 230 Vac and Vdc with 2500 V isolation.
The ATR244 has several output options besides the Modbus RS485 serial communication and analog 4 to 20 mA or 0-10V. The ATR244 also has control and alarm modes for the 2 or 3 relays with 2 Amp contacts, and it also has 2 SSR with a voltage rating of either 12 / 24 Vdc up to a maximum current rating of 30 mA.
The ATR244-23A-T is a dual channel controller with 2 analog inputs and outputs and a 24 Vdc power supply.
The ATR244-23BC-T is a dual channel controller with 2 analog inputs and outputs and a 115 to 230 Vac power supply.

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.
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 with analog input and one analog output. It also has 2 relays with 2 Amp contacts, plus 2 solid state outputs and 2 digital inputs.

single channel temperature controller wiring diagram

ATR244-12ABC-T

The ATR244-12ABC-T has a Modbus Communication port and is a single input temperature or PID controller with analog input and one analog output. It also has 2 relays with 2 Amp contacts, plus 2 solid state outputs and 1 digital input.

single channel temperature controller with Modbus modbus wiring diagram

ATR244-13ABC

The ATR244-13ABC is a single input temperature or PID controller with an analog input plus a current transducer input and one analog output. It also has three relays with 2 Amp contacts, plus two solid-state outputs and two digital inputs.

temperature controller current transformer input wiring diagram

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 with analog input and two analog outputs. It also has 3 relays with 2 Amp contacts, plus 2 solid state outputs and 2/4 digital inputs. It also has Modbus RTU RS485 communication and a current transducer input. Power Supply 24 Vac/dc

Duel channel temperature controller wiring diagram 24 Vdc power supply

ATR244-23BC-T

The ATR244-23BC-T has a Modbus communication port and is a dual input/output temperature or process controller. It also has 3 relays with 2 Amp contacts, plus 2 solid state outputs and 2 digital inputs. Power supply 115 to 230 Vac.

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

ATR244 FAQ

I have an application where I need the controller to accept a 4-20mA from a Temperature Transmitter. The Controller must indicate the temperature in ° Kelvin. The temperature range is -80 to 1500 °K . Provide 1 output for PID control and another output for retransmission of the inputs. Is this possible and how is it done?
Yes, the ATR244-23A-T and the ATR244-23BC-T can handle this application. You can use the Pixsys App on an Android mobile phone and make the following parameter changes:
  • 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

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