Power supply

12...24 VAC /   VDC or 230VAC ±15% 50/60 Hz- (galvanical isolation 2500V)

Power   consumption

2,6 VA (code AD)   4,4 VA (code B)

Display

3 digits, 0,56”   red + 3 signaling leds

Operating   conditions

Temperature 0-45   °C, humidity 35..95 RH%

Material

Box:polycarbonate;   front panel: ABS UL94V0 self-extinguishing

Weight

Approx.100 g

Sealing

Front panelIP54,   Box IP30, Terminal blocks IP20

Quick set-up   options

Memory Card,   software LABSOFTVIEW

Inputs

1 analogue

Res. 16 bit,   selectable for TC type K, S, R, J, (automatic compensation of the cold   junction o..50°C, ± 0,2% F.S. ± 1 Digit F.S.), thermoresistance PT100, PT500,   PT1000, Ni100, PTC1K. NTC10K, (ß3435K), process signals 0..10V (40000   points), 0/4..20mA (30000 points), potentiometer 6KΩ, 150KΩ (40000 points)

Sampling time

66ms (frequency   15 Hz)

Outputs

2 relays

1 Relay 10A/8A -   250 VAC resistive charge + 1 Relay 5A - 250 VAC resistive charge

1 digital

8 VDC - 20 mA   (code B) - 12..35 VDC - 30 mA (code AD)

1 auxiliary

8 VDC - 20 mA   (code B) - 12..35 VDC - 30 mA (code AD) for sensor supply

Software   features

Control   algorithms

ON - OFF with   hysteresis, P., P.I., P.I.D., P.D. time proportioned, Dead band

Tuning

Manual or   automatic

Operating modes

Visualizer,   Single setpoint, Double setpoint (selection by parameter)

Data protection

Lock of control   / alarm setpoint - Access to parameters by password

Alarm modes

Absolute /   Threshold, band, High / Low deviation. Alarm with optional manual reset.

Double P.I.D.

Heating /   Cooling P.I.D.

Open / Close   logic

Open / Close   logic for motorized valves

Setpoint

2 setpoints

Ordering codes

ATR121-AD

1 Analogue Input   + 2 Relays 8 A + 1 SSR 12VDC / Supp. 12..24 VAC/DC

ATR121-B

1 Analogue Input   + 2 Relays 8 A + 1 SSR 12VDC / Supp. 230 VAC