4-20mA Isolator with DC Supply - DIN or Panel Mount
The input signal is chopped by a proprietary DC chopper circuit, isolation is provided by transformer coupling, a proprietary technique is used to suppress transmission of common mode spikes or surges, and the output signal from the secondary of the transformer is reconstructed to the original input signal.
- Feeds DC Power to 4 to 20mA Transmitter, Isolates Loop
- Simplified Wiring for Quick Install and Signal Protection
- DIN Rail or Panel Mountable
- Narrow DIN Package, Mounts up to 27 Devices into a 19" Rack Space
- No Recalibration or Maintenance Required
- 2300Vrms Transformer Isolation
- Prevents Ground-Loop Problems
- Prevents the Transfer of Interference Voltages and Currents
- High Accuracy Over Full Span
- CE Compliant
Whereas, the DSCL23 is loop-powered through its output terminals. That puts the 4-20mA receiver (the load) in series with the power supply. So when you measure the voltage from the power supply common (- terminal) to the other side of the load you will see a negative signal. The module could be made usable if the power supply has a fully floating output and you can make terminal 1 (the return current terminal) the common and measure the positive signal across the load from the power supply (-) to terminal 1 (the return current terminal), the common.
A better match for your application is the DSCA42-01C. Its internal electronics is powered by an overall power supply and then the module output circuitry provides the output current whose return side (or negative side) can be connected to the power supply common. This causes the output signal to be positive with respect to the common.
Keywords/Phrases: 4-20mA isolator with loop power, 2-wire transmitter interface signal conditioner with loop power
DSCL22-11 2-channel 4-20mA isolator
DSCL22-21 3-channel 4-20mA isolator
DSCL23-02 2-channel 4-20mA Isolator with DC Supply for 2-wire transmitter
DSCL24-11 2-channel 4-20mA isolator
Keywords/Phrases: 4-20mA isolator, 4-channel 4-20mA isolator, 4-channel 4-20mA DIN mount isolator
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