ATR401

Dual Temperature Controller
  • Features
    • UL, CE
    • Dual Temperature Controller
    • PC Programmable
    • Memory Card Programmable
    • 48 x 96 mm cut out
    • Isolated
    • Up to 4 Relays
    • Remote Set point
    • 4-20 mA output
    • Option for Modbus RS485



Dual Temperature Controller, ATR401

This controller has been replaced by the ATR444. A newer better and Dual contoller. Dual Temperature Controller

The ATR401 Dual Temperature Controller offers precision and flexibility for managing two independent temperature zones in industrial applications. This versatile controller features up to four relays, an analog output, a current transformer input, and a digital input with optional Modbus RS485 connectivity.

Key Features

ATR401 Specifications

Input °F °C
K type Thermocouple -436 to 2480°F -260 to 1360°C
S type Thermocouple -40 to 3200°F -20 to 1760°C
R type Thermocouple -40 to 3200°F -20 to 1760°C
J type Thermocouple -328 to 2192°F -200 to 1200°C
RTD PT100 -328 to 1112°F -200 to 600°C
RTD PT500 -328 to 284°F -200 to 140°C
NI 100 -76 to 356°F -60 to 180°C
NTC 10K Ohm Thermistor -40 to 257°F -40 to 125°C
PTC 1K Ohm Thermistor -40 to 302°F -40 to 150°C
PT500 -148 to 1112°F -100 to 600°C
PT1000 -148 to 1112°F -100 to 600°C
Voltage 0 to 10V
Current 0 to 20mA 4 to 20mA
Output 1 x Relays 5 A. SSR.
Power Supply 24 to 240Vac/Vdc.
Power Consumption 4VA max.
Power Supply Operative- 32°F +113°F -0°C +45°C
Humidity (non condensing) 35-95%.
Housing Polycarbonate UL94V2 self-extinguishing
Dimensions 1 7/8 " x 1 7/8 " x 4 1/4", 48 x 48 x 108 mm.
Weight 3 oz 100 g.
EMC For industrial environments.
Immunity: EN 61000-6-2.
Emission: EN 61000-6-4.
Configuration PC Configurable, Memory Card

ATR401 Dual Channel Wiring Connections

Power Supply ATR401-22ABC ATR401-23ABC ATR401-24ABC ATR401-22ABC-T ATR401-22ABC-D
Positive Terminal 1 Terminal 1 Terminal 1 Terminal 1 Terminal 1
Negative Terminal 2 Terminal 2 Terminal 2 Terminal 2 Terminal 2
Output
Current and Voltage
Positive Terminal 9 Terminal 9
Negative Terminal 10 Terminal 10
Relay 1
Normally Closed Terminal 4 Terminal 4 Terminal 4 Terminal 4 Terminal 4
Common Terminal 5 Terminal 5 Terminal 5 Terminal 5 Terminal 5
Normally Open Terminal 3 Terminal 3 Terminal 3 Terminal 3 Terminal 3
Relay 2
Normally Closed Terminal 7 Terminal 7 Terminal 7 Terminal 7 Terminal 7
Common Terminal 8 Terminal 8 Terminal 8 Terminal 8 Terminal 8
Normally Open Terminal 6 Terminal 6 Terminal 6 Terminal 6 Terminal 6
Relay 3
Common Terminal 10 Terminal 8
Normally Open Terminal 9 Terminal 9
Relay 4
Common Terminal 8
Normally Open Terminal 9
Modbus RS485 Negative 20
Positive 19
SSR Output Negative 18 Negative 18 Negative 18 Negative 18 Negative 18
Positive 17 Positive 17 Positive 17 Positive 17 Positive 17
Sensor Input 1
Current Positive 11 Positive 11 Positive 11 Positive 11 Positive 11
Negative 12 Negative 12 Negative 12 Negative 12 Negative 12
Voltage Positive 11 Positive 11 Positive 11 Positive 11 Positive 11
Negative 12 Negative 12 Negative 12 Negative 12 Negative 12
Thermocouples Positive 11 Positive 11 Positive 11 Positive 11 Positive 11
Negative 12 Negative 12 Negative 12 Negative 12 Negative 12
Thermistor Terminal 12 Terminal 12 Terminal 12 Terminal 12 Terminal 12
Terminal 13 Terminal 13 Terminal 13 Terminal 13 Terminal 13
Potentiometer Terminal 11 Terminal 11 Terminal 11 Terminal 11 Terminal 11
Terminal 13 Terminal 13 Terminal 13 Terminal 13 Terminal 13
Wiper Terminal 12 Terminal 12 Terminal 12 Terminal 12 Terminal 12
Sensor Input 2
Current Positive 14 Positive 14 Positive 14 Positive 14 Positive 14
Negative 15 Negative 15 Negative 15 Negative 15 Negative 15
Voltage Positive 14 Positive 14 Positive 14 Positive 14 Positive 14
Negative 15 Negative 15 Negative 15 Negative 15 Negative 15
Thermocouples Positive 14 Positive 14 Positive 14 Positive 14 Positive 14
Negative 15 Negative 15 Negative 15 Negative 15 Negative 15
Thermistor Terminal 15 Terminal 15 Terminal 15 Terminal 15 Terminal 15
Terminal 16 Terminal 16 Terminal 16 Terminal 16 Terminal 16
Potentiometer Terminal 14 Terminal 14 Terminal 14 Terminal 14 Terminal 14
Terminal 16 Terminal 16 Terminal 16 Terminal 16 Terminal 16
Wiper Terminal 15 Terminal 15 Terminal 15 Terminal 15 Terminal 15
Digital Input Terminal 20 Terminal 20 Terminal 20 Terminal 20
Terminal 19 Terminal 19 Terminal 19 Terminal 19
ATR401-22ABC
dual channel process controller modbus wiring diagram
2 analog inputs, 2 relays (8A), 1 SSR (12 VDC), and a power supply of AC/DC 24-230 V.
ATR401-22ABC-T
dual channel process controller modbus wiring diagram
2 analog inputs, 3 relays (8A), 1 SSR (12 VDC), and a power supply of AC/DC 24-230 V.
ATR401-23ABC
dual channel process controller modbus wiring diagram
2 analog inputs, 4 relays (8A), 1 SSR (12 VDC), and a power supply of AC/DC 24-230 V.
ATR401-24ABC
dual channel process controller modbus wiring diagram
2 analog inputs, 2 relays (8A), 1 SSR (12 VDC), 1 analog output (0-10 VDC or 4-20 mA), 1 RS485 port, and a power supply of AC/DC 24-230 V.
ATR401-24ABC-D
dual channel process controller modbus wiring diagram
2 analog inputs, 2 relays (8A), 1 SSR (12 VDC), 1 analog output (0-10 VDC or 4-20 mA), 1 digital input, and a power supply of AC/DC 24-230 V.

Applications

Ideal for industrial ovens, plastic molding, environmental chambers, and other applications requiring precise control of multiple temperature zones.

Conclusion

The ATR401 combines reliability, precision, and ease of use, making it a robust solution for complex temperature control systems. Its versatile input/output options and advanced control features ensure seamless integration and optimal performance in demanding environments.

ATR621 FAQ

1. What types of sensors are compatible with the ATR401?
The ATR401 supports various sensors, including 4-20mA, 0-10V, thermocouples, RTDs, thermistors, and potentiometers.
2. How many relays are available in the ATR401 models?
Depending on the model, the ATR401 offers between 2 to 4 relays with an 8A rating.
3. Can the ATR401 be used with Modbus RS485?
Yes, certain models of the ATR401 come with optional Modbus RS485 connectivity.
4. What are the power supply requirements for the ATR401?
The ATR401 operates with an AC/DC power supply ranging from 24 to 230 V.
5. How can the ATR401 be programmed?
The ATR401 can be programmed via the front panel keypad or through PC-based software, with the option to clone settings using a memory card.
6. What control modes are available on the ATR401?
The ATR401 supports on-off, proportional (P), proportional-integral (PI), and proportional-integral-derivative (PID) control modes.
7. What is the display configuration on the ATR401?
The ATR401 features dual 4-digit displays—one for the process variable and one for the setpoint.
8. Can the ATR401’s analog outputs be used for retransmission?
Yes, the analog outputs on the ATR401 can be used for control or retransmission of the input signal.
9. What is the standard size for panel mounting the ATR401?
The ATR401 is designed for a standard 1/8 DIN (48 x 96 mm) panel cut-out.
10. Is the ATR401 suitable for harsh environments?
Yes, the ATR401 can withstand harsh environmental conditions up to IP65 with an optional gasket.
11. What has replaced the ATR401?
The ATR444 has replaced the ATR401.
12. Why has the ATR444 replaced the ATR401? Is the ATR444 a better controller?
The ATR444, part of the "Blue Line" range of PID controllers, offers unmatched versatility in hardware features and software functionality. It includes NFC/RFID technology for simplified programming and enhanced after-sales support. The ATR444 also features a wide range of sensor input and control options, an extended power supply range, and a high-performance display, making it more flexible and suitable for diverse applications. These enhancements make the ATR444 a superior replacement for the ATR401.

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