This circuit designed to be used with:
0-30 Vdc Stabilized Power Supply With
Current Control 0.002-3 A
Components values are shown in shematic.
Connect 741 +Vcc to D1 anode in
Connect 741 -Vcc to D3 catode in
needs a 5v +Vcc connect pin 4 of U1 to 5v
Please note that +Vcc is above absolute maximum
ratings of 741 which are +/- 22V, this may cause
damage to OPAMP. You may need to add a LM7805 to
power OPAMP. U1 needs at least 5v +Vcc.
Power ON power supply then press START button to connect
outputs to power supply.
- If output is shorted the relay
disconnects output from power supply.
- Fix the short circuit and
then press START again to connect output to power supply.