The SB3046 accepts a 4/20mA signal from a controller located in the control-station area to drive a load in the field. It permits bidirectional transmission of digital signals to and from an operator station or hand-held communicator.

Dimension
114.5mm×99.0mm×17.5mm
 Number of channels
1
 Input and output signal range
4 to 20mA
 Field side circuit load resistance
Min 100Ω Max 800Ω (16V at 20mA) Note: Circuit de-energized If output load resistance < 100Ω.
 Input and output circuit ripple
<40μA peak-to-peak
 Transfer accuracy at 20°C
Better than 16μA
 Temperature drifts
<1μA/°C
 Digital signal bandwidth
10Hz to 12kHz
 Response time
Settles to within 10% of final value after typically 20ms
 LED indicators
One provided for power indication
 Power supply
Voltage: (20~35)VDC Current: 70mA at 20V 60mA at 24V 45mA at 35V Power: 1.44W typical at 24V with 20mA signal
 Isolation
250V AC/DC between control station and filed circuits