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SDU 770N
SDU 770N

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SDU 440N
SDU 440N

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​SDU Series

High Performance PID Controller

FEATURES

FEATURES

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Heat or Cool Control Mode

Default

Settable control mode change to heat or cool control mode

FEATURES

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Case Structure for Internal Cooling

Default

Designed with comb-shaped vents to facilitate internal air circulation.

FEATURES

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DC Power Supply for Transmitter

Default

17V 30mAdc power supply

FEATURES

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Re-transmission Output

Option

4-20mAdc re-transmission for send PV to external system

FEATURES

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RS 485 MODBUS

Option

MODBUS Protocol with support demo PC program

SPECIFICATION

1. Power

   Voltage: 100-240Vac or 24Vdc (Voltage F.R ±10% less)

   Frequency: 50-60Hz

   Power Consumption: Max 10VA less

   Isolation: between primary-secondary terminal: 500Vdc 20MΩ more

                     between secondary-ground terminal: 500Vdc 20MΩ more

                     between primary-ground terminal: 500Vdc 20MΩ more

   Dielectric Strength: between primary-secondary terminal: 2300Vac 50/60Hz 1min.

                     between secondary-ground terminal: 2300Vac 50/60Hz 1min

                     between secondary-ground terminal: 1500Vac 50/60Hz 1min.

2. Input

   Universal Input

   Input: Thermocouples K J E T C N B R S

               RTD JIS Pt100Ω  DIN Pt100Ω

               Vdc/mAdc 1-5Vdc 0-5Vdc 0-10Vdc (250Ω connected 4-20mAdc 0-20mAdc)

   Scan Time: 130ms

   Impedance: T.C 1MΩ more

   Accuracy: T.C ±0.3% + 1 digit or ±3℃ of big

                     RTD / Vdc / mAdc  ±0.2% + 1 digit

3. Output

   Universal output: Relay. SSR. 4-20mA for SCR power controller drive

   Relay: 250Vac. 2A (R load)

   SSR: 17Vdc Pulse. 20mA max.

   Current: 4-20mAdc Max 600Ω less

   Alarm: 250Vac. 1A (R load)

4. Control

   PID control with Auto-Tuning. PI. PD control. (auto set ARW when PID control mode )

   P control with M.R.

   ON-OFF control with hysteresis

   Heat and cool control

   Direct or Reverse control mode

   Output limit: Control output high-low limit

   Fuzzy Logic overshoot control

   Control Period: 1-60초 (not for 4-20mAdc output)

5. Operationg Condition

   Temperature: 0-50℃

   Humidity: 35-85%RH (no condensation)

   Magnetic: 400AT/m less

   Warm-Up: Min. 30min. more

6. Storage

   -25~70℃ / 5~95%RH (no condensation)

HOW TO ORDER

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Wiring

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PANEL CUT SIZE

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