User manual - DRR245 7
3 Model identification
Power supply 24..230 Vac/Vdc +/- 15% 50/60Hz – 5,5VA
DRR245-21ABC-T 2 Relays 5A + 1 Ssr/V/mA + Rs485 +T.A.*
* Model with current transformer input for “Loop Break Alarm” function.
4 Technical Data
4.1 General data
Displays
4x0.40 inch displays
4x0.30 inch displays
Operating
temperature
Temperature 0-45 °C
Humidity 35..95 uR%
Sealing
IP65 front panel
IP20 box and terminals
Material PC ABS UL94VO self-exstinguishing
Weight 165 g
4.2 Hardware data
Analogue
imput
AN1 Configurable via software
Input Thermocouple type K, S, R,
J. Automatic compensation of cold
junction from from 0°C to 50°C.
Thermoresistance: PT100,
PT500, PT1000, Ni100, PTC1K,
NTC10K (β 3435K)
Linear: 0-10V, 0-20 or 4-20mA,
0-40mV, amperometric
transformer T.A. 50mA 1024
points
Potentiometers: 6 KΩ, 150 KΩ.
Tolerance (25 °C) +/-0.2% ±1 digit
(F.s.) for thermocouple input,
thermo resistance and V / mA.
Cold junction accuracy 0,1°C/°C.
Impedance:
0-10 V: Ri>110 KΩ
0-20 mA: Ri<5Ω
4-20 mA: Ri<5Ω
0-40 mV: Ri>1MΩ
Relay
output
2 relays Configurable for
command or alarm.
Contacts 5A/250V~Resistite
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