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Autonics TF31-14G Refrigeration Temperature Controller TF31-14G

Autonics TF31-14G Refrigeration Temperature Controller TF31-14G

Model number
TF31-14G

Autonics TF31-14G refrigeration temperature controller (TF3 Series): 100 - 240 VAC 50/60 Hz supply, 7 segment (red), LED type display, IP65 (front panel, IEC standards). Order code note: NTC,RTD DI.

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Key features

  • Standard installation size for refrigeration panels (W 70.3 × H 28.2mm)
  • Various compressor load current capacity: 5 A, 16 A, 20 A
  • Various user-friendly functions; Defrost sync function, simultaneous defrost operation of multiple controllers (up to 6 units); RTC (Real Time Clock) function, night mode operation and real-time defrost control; Built-in alarm function
  • Remote monitoring of real-time temperature and output control (using TFD series remote display unit, sold separately)
  • Communication output models available: RS485 (Modbus RTU)
  • Parameter configuration via PC (RS485 communication): DAQMaster software included (comprehensive device management software)
  • Protection structure: IP65 (control panel)

Specifications

Model
SeriesTF3 Series
Order code descriptionNTC,RTD DI
Specifications
Power supply AC100 - 240 VAC 50/60 Hz
Power supply AC / DC24 VAC 50/60 Hz, 12-24 VDC
Permissible voltage range90 to 110 % of rated voltage
Power consumption AC≤ 8 VA
Power consumption AC / DCAC: ≤ 5 VA, DC: ≤ 3 W
Sampling period500 ms
Input specificationRefer to Autonics website
Option input Digital input• Contact - ON: ≤ 1 kΩ, OFF: ≥ 100 kΩ • Non contact - residual voltage ≤ 1 V, leakage current ≤ 1 mA Outflow current: ≈ 4 uA
Control output Compressor (COMP)250 VAC 5 A / 30 VDC 5 A / 1a 250 VAC 16 A / 24 VDC 16 A / 1c 250 VAC 20 A 1a
Control output Defrost (DEF)250 VAC 10 A / 24 VDC 10 A / 1a
Control output Auxiliary (AUX)250 VAC 5 A / 30 VDC 5 A / 1a
RS485 communicationModbus RTU
Display type7 segment (red), LED type
Control typeON/OFF Control
Hysteresis0.5 to 5.0 ℃, 2 to 10 ℉
Relay life cycle Mechanical• COMP (5 A 1a), AUX: ≥ 5,000,000 operations • COMP (16 A 1c), DEF: ≥ 20,000,000 operations • COMP (20 A 1a): ≥ 10,000,000 operations
Relay life cycle Electrical• COMP (5 A 1a), AUX: ≥ 50,000 operations (load resistance: 250 VAC 5 A) • COMP (16 A 1c): ≥ 30,000 operations (load resistance: 250 VAC 16 A) • COMP (20 A 1a): ≥ 100,000 operations (load resistance: 250 VAC 20 A) • DEF: ≥ 100,000 operations (load resistance: 250 VAC 10 A)
Dielectric strength ACBetween the charging part and the case: 3,000 VAC 50 / 60 Hz for 1 min
Dielectric strength AC / DCBetween the charging part and the case: 1,000 VAC 50 / 60 Hz for 1 min
Vibration1.5 mm amplitude at frequency of 10 to 55 Hz in each X, Y, Z direction for 2 hours
Insulation resistance≥ 100 MΩ (500 VDC megger)
Noise immunitySquare shaped noise by noise simulator (pulse width 1 ㎲) ±2 kV R-phase, S-phase
Memory retention≈ 10 years (non-volatile semiconductor memory type)
Ambient temperature-10 to 50 ℃, storage: -20 to 60 ℃ (no freezing or condensation)
Ambient humidity35 to 85%RH, storage: 35 to 85%RH (no freezing or condensation)
Protection structureIP65 (front panel, IEC standards)
Unit weight (packaged)≈ 105 g (≈ 207 g)
Comm. protocolModbus RTU
Accessories
Sold separatelyDedicated remote display unit for TF3: TFD Series; Communication Converter: SCM-US / SCM-38I / SCM-US48I / SCM-WF48

Specifications are from the manufacturer's published information. Confirm critical values with us or the datasheet before ordering.

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