KRD3

DIN RAIL mount mini-programmer controller

  • Dimensions 78 x 35 mm, depth 87 mm
  • Front protection degree IP20
  • 1 input for temperature probes: tc J, K, S, R, T, J and K infrared sensors, RTD PT1000 and Pt 100 2-wire, PTC KTY81-121 (990Ω@25°C); NTC 103AT- 2 (10KΩ@25°C), for mV signals 0/12... 60 mV or normalized signals 0/4... 20 mA, 0/1... 5 V, 0/2... 10 V
  • Accuracy: ± 0.5% of span ± 1 digit; tc S ± 1% of span ± 1 digit
  • 1 digital input for free voltage contacts
  • Power supply: 24 VAC / VDC ± 10%, 100 ... 240 VAC / VDC (-15% / +10%) Frequency: 50/60 Hz
  • Power consumption: 7 VA max.
  • OUT1: Relay SPST-NO 4A/240 Vac or in tension to drive SSR 13V @ 1mA max, 10.5 V min @ 15 mA ± 10% or analogue galvanically isolated 0/4... 20 mA, 0/2... 10V
  • OUT2: Relay SPST-NO 2A/240 Vac or in tension to drive SSR 13V @ 1mA max, 10.5 V min @ 15 mA ± 10%
  • OUT3: Relay SPST-NO 2A/240 Vac or in tension to drive SSR 13V @ 1mA max, 10.5 V min @ 15 mA ± 10%
  • OUT4 programmable: voltage to drive SSR 13V @ 1mA max, 10.5 V min @ 15 mA ± 10% or power transmitter, or digital input
  • Auxiliary supply output: 13V max @1mA, 10.5 V min@15 mA ±10%
  • 3 configurable alarms as absolute, deviation and band
  • 4 selectable Set Point
  • Serial Communications: TTL (optional) + RS 485 (standard) isolated, MODBUS RTU (JBUS)
  • Communication speed: 2400... 38400 baud
  • PID control with single or double action with overshoot control, ON/OFF, ON/OFF Neutral Zone, Auto-tuning, Self-tuning
  • Programmer 8 segments with guaranteed soak
  • Independent timer with 5 operating modes
  • Wattmeter for the calculation of the instantaneous power and energy consumed
  • Hour counters: a cumulative non-erasable counter and a second counter with alarm resettable
  • Connections: 16 screw terminals 2.5 mm ² (AWG14... AWG22) fix, removable or clamp type

UL Recognition Canada USA