KCD2-SCS-Ex2.SP SMART Transmitter Power Supply/SMART Current Driver

Teknik Veriler

Signal type

Analog input/analog output

Safety Integrity Level (SIL)

SIL 2

Systematic capability (SC)

SC 3

Connection

Power Rail or terminals 9+, 10-

Rated voltage

U r 19 ... 30 V DC

Ripple

max. 10 %

Rated current

I r max. 88 mA at 24 V

Power dissipation

max. 1.4 W

Power consumption

max. 2.1 W

Number of channels

2

Suitable field devices

2-wire SMART transmitters

Signal

0/4 ... 20 mA , limited to approx. 30 mA

Field circuit

terminals 1+, 2-, 3+, 4-

Available voltage

min. 15 V at 20 mA min. 18 V at 4 mA

Control circuit

terminals 5-, 6+; 7-, 8+ limited electrical values : max. 30 V , max. 2 A

Giriş Gerilimi

Voltage across terminals 10 ... 30 V. If the current is supplied from a source > 24 V, series resistance of ≥ (V - 24)/0.02 Ω is needed, where V is the source voltage. The maximum value of the resistance is (V - 10)/0.02 Ω. (sink output)

Load

max. 350 Ω (source output)

Voltage

min. 13 V at 20 mA

Voltage drop

max. 6 V

Line fault detection

> 100 kΩ at max. 30 V, with field wiring open

Deviation

max. 20 µA incl. calibration, linearity, hysteresis, loads and fluctuations of supply voltage

Influence of ambient temperature

< 2 µA/K (-40 ... 70 °C (-40 ... 158 °F))

Frequency range

field side into the control side: bandwidth with 0.5 V 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

max. 200 ms