KFD2-STC5-Ex1.2O.H SMART Transmitter Power Supply

Teknik Veriler

Signal type

Analog input

Safety Integrity Level (SIL)

SIL 3

Systematic capability (SC)

SC 3

Connection

Power Rail or terminals 14+, 15-

Rated voltage

U r 18 ... 30 V DC

Ripple

within the supply tolerance

Power dissipation

≤ 1 W at maximum load

Power consumption

≤ 1.7 W at maximum load

Connection side

field side

Input signal

4 ... 20 mA

Open circuit voltage/short-circuit current

terminals 1+, 3: 24 V / 25 mA

Input resistance

max. 265 Ω terminals 2-, 3 , max. 330 Ω terminals 1+, 3

Available voltage

≥ 17 V at 20 mA ; ≥ 21 V at 4 mA , terminals 1+, 3

Load

0 ... 600 Ω

Output signal

4 ... 20 mA (overload > 25 mA)

External supply (loop)

2 ... 30 V DC If the external voltage is > 19 V, a load ≥ ((V - 19) / 0.02) Ω is required. V represents the value of the external voltage. The internal 250 Ω resistor at terminals 9 and 12 can be used as a load.

Deviation

at 20 °C (68 °F), 4 ... 20 mA ≤ 10 µA incl. calibration, linearity, hysteresis, loads and fluctuations of supply voltage

Influence of ambient temperature

≤ 0.25 µA/K

Frequency range

field side into the control side: bandwidth with 0.5 V pp signal 0 ... 7.5 kHz (-3 dB) control side into the field side: bandwidth with 0.5 V pp signal 0.3 ... 7.5 kHz (-3 dB)

Settling time

500 µs

Rise time/fall time

100 µs

Output/power supply

functional insulation, rated insulation voltage 50 V AC

Output/Output

functional insulation, rated insulation voltage 50 V AC

Display elements

LED