1B22 converter equivalent, programmable/ isolated voltage-to-current converter.
Internal Isolated Loop Supply Drives 1000 ⍀ Load Pin Programmable Inputs: 0 V to +5 V or 0 V to +10 V Pin Programmable Outputs: 4 to 20 mA or 0 to 20 mA High CMV Isolatio.
Multichannel Process Control D/A Converter—Current Loop Interface Analog Transmitters and Controllers Remote Data Acquis.
Programmable, Isolated Voltage-to-Current Converter 1B22
FUNCTIONAL BLOCK DIAGRAM
IN1 IN2 4mA OFFSET S. NODE
RESISTOR NETWORK REF
1B22
SIGNAL ISOLATION DEMODULATOR
PROT
OUT HI OUT LO
MODULATOR
SYNC +15V
–15V A. COM
POWER ISOLATI.
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