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Digital temperature controller KRD3
PIDprogrammableconfigurable

digital temperature controller
digital temperature controller
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Characteristics

Display
digital
Type
PID, programmable
Other characteristics
configurable, auto-tuning
Maximum temperature

25 °C (77 °F)

Description

Controller, programmer with independent timer 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 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 min @ 15 mA ± 10% OUT3: Relay SPST-NO 2A/240 Vac or in tension to drive SSR 13V @ 1mA max, 10.5 min @ 15 mA ± 10% OUT4 programmable: voltage to drive SSR 13V @ 1mA max, 10.5 min @ 15 mA ± 10% or power transmitter, or digital input Auxiliary supply output: 13V max @1mA, 10.5 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

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