Model Code Information
AX  - Digital temperature controller
Dimension 2     AX2 : 48 X 96 mm
3     AX3 : 96 X 48 mm
4     AX4 : 48 X 48 mm
7     AX7 : 72 X 72 mm
9     AX9 : 96 X 96 mm
Output selection 1   SSR + Relay1 + Relay2 Relay or SSR as control output
(selectable in operator setup mode)
2   SSR + Relay1 + Relay2 + Relay3
1B   SSR + Relay1(Form c) + Relay2 Only for AX2, 3, 7, 9
2B   SSR + Relay1(Form c) + Relay2 + Relay3
3   4 - 20 ㎃ + Relay2 Current output as control output
4   4 - 20 ㎃ + Relay2 + Relay3
Power supply voltage A 100 - 240 V a.c 50/60 ㎐
※ Form C : Normal close type contact
※ Relay output operates as control output, alarm output and LBA output depending on the internal parameter setting.

· Specification

Appearance AX4 AX3 AX7 AX2 AX9











48 X 48 X 63 96 X 48 X 63 72 X 72 X 63 48 X 96 X 63 96 X 96 X 63
Input type Multi input(Thermocouple : K, J, R, T, IEC 584-1), (RTD : Pt100 Ω, IEC751)
Sampling cycle 100 ms
Input impedance max 1 ㏁
Albwable input wiring resistance 10 V DC
Display accuracy Thermocouple
K,J,T		 ± 0.3 % of F.S ±1 digit (RJC error ±0.8%) ℃
Thermocouple
R		 ±1.0% of F.S ±1 digit in the 0 ~ 600 ℃ range

± 2.0℃ in the range of 0~600℃, ± 0.8℃ outside of the range
±0.3 % F.S ±1 digit in the 600 ~ 1700 ℃ range
Pt100 ±0.3 % of F.S ±1 digit℃
Display type 7 Segment LED (PV : red, SV : green)
Font size PV 13.0 X 6.5 15.9 X 7.6 14.5 X 7.0 14.5 X 7.0 22.5 X 11.2
SV 9.2 X 5.2 12.0 X 6.0 9.4 X 4.7 10.8 X 5.2 18.7 X 9.3
Input resolving power
  • • Thermocouple : 0.1℃ (K2, J, T), 0.5℃ (K1), 0.3℃ / 1℉ (R)
  • • RTD : 0.03℃, (0.1 ℉)
Insulation resistance min 20㏁, 500 V DC 1 minute (primary terminal - secondary terminal)
Dielectric strength 2,300 V AC, 50/60 ㎐, for 1min (primary terminal - secondary terminal)
Control method PID control by Auto-tuning, ON/OFF control
Manual reset Users set with in the range 0.0% - 100.0%
Control output operation Reverse operation / Direct operation selectable by the parameter setting
Control output
  • • Relay output ※Selectable by the prameter setting 1a contact,
      3 A 240 V AC, 3 A 30 V DC(resistive load)
  • • Voltage pluse output for running SSR [time sharing proportional control (CYC)]
  • • Voltage plus output for running SSR [phase control(PHR)] 0/12 V DC, pulse voltage
      (resistive load minimum 600Ω)
4 - 20 ㎃ DC(resistive load max. 600Ω)
Power supply voltage 100 - 240 V AC 50 / 60 ㎐
Voltage fluctuation ±10 % of the power supply voltage
Power consumption 5.5 VA max
Ambient temperature -5 ~ 50℃
Ambient humidity 35 ~ 85% RH (without condensation)
Vibration resistance 10 -55 ㎐, 0.75 mm, each to direction, X, Y and Z for 2 hours
Shock resistance 300 ㎨ to direction 6 each 3 times
Weight 180 g 320 g 300 g 320 g 400g