The SB3044 provides two fully-floating dc supplies for energizing two conventional 2-wire 4/20mA transmitters which are located in the field, and repeats the current in two floating circuits to drive two control-station loads.

Dimension
114.5mm×99.0mm×17.5mm
 Number of channels
Two
 Voltage available for transmitter and lines
15V minimum at 20mA Note: maximum open-circuit voltage is 28V.
 Output signal range
4 to 20mA or 1 to 5V Note: Clear indication should be given in ordering code when 1 to 5V is needed.
 Control-station circuit load resistance
0 to 550Ω for each output channel
 Control-station circuit ripple
<40μA peak-to-peak
 Transfer accuracy at 20°C
Better than 16μA
 Temperature drift
<1μA/°C
 Response time
Settles to within 10% of final value within 500μs
 LED indicator
Green: power indication
 Power supply
Voltage: (20~35)VDC Current: (with two 20mA signals) 130mA at 20V 110mA at 24V 80mA at 35V Power: 2.64W typical at 24V with two 20mA signals

 Isolation
250V AC/DC between control station and filed circuits