KCD2-STC-Ex1.ES 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 9+, 10-

Rated voltage

U r 19 ... 30 V DC

Ripple

≤ 10 %

Rated current

I r ≤ 50 mA

Power dissipation

≤ 800 mW

Power consumption

≤ 1.2 W

Connection side

field side

Input signal

4 ... 20 mA , limited to approx. 27 mA reverse polarity protected

Line fault detection

downscaling ≤ 3 mA ; upscaling ≥ 22 mA

Voltage drop

approx. 5 V on terminals 3+, 4-

Available voltage

≥ 15 V at 20 mA terminals 1+, 2-

Load

0 ... 300 Ω (source mode)

Output signal

source mode: 4 ... 20 mA or 1 ... 5 V (internal resistor: 250 Ω, 0.1 %) sink mode: 4 ... 20 mA, operating voltage 16 ... 28 V For additional internal or external loads the voltage drop has to be considered, e. g. 250 Ω x 20 mA = 5 V.

Output type

fault bus signal , open collector transistor

Deviation

at 20 °C (68 °F) ≤ ± 20 µA incl. calibration, linearity, hysteresis, loads and supply voltage fluctuations (source mode and sink mode 4 ... 20 mA) ≤ 10 mV incl. calibration, linearity, hysteresis and fluctuations of supply voltage (source mode 1 ... 5 V)

Influence of ambient temperature

< 2 µA/K (0 ... 70 °C (32 ... 158 °F)); < 4 µA/K (-20 ... 0 °C (-4 ... 32 °F)) (source mode and sink mode 4 ... 20 mA) < 0.5 mV/K (0 ... 70 °C (32 ... 158 °F)); < 1 mV/K (-20 ... 0 °C (-4 ... 32 °F)) (source mode 1 ... 5 V)

Frequency range

field side into the control side: bandwidth with 1 mA pp signal 0 ... 3 kHz (-3 dB) control side into the field side: bandwidth with 0.5 V pp signal 0 ... 3 kHz (-3 dB)

Settling time

≤ 200 ms

Rise time/fall time

≤ 20 ms

Input/Output

safe electrical isolation acc. to IEC/EN 60079-11, voltage peak value 375 V

Input/power supply

safe electrical isolation acc. to IEC/EN 60079-11, voltage peak value 375 V