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October 31 2022
PSXX Block Shorted Diagram
The new PSXX will indicate when a block is shorted. This circuit will indicate a short is in the block as opposed to the PSXX simply being off [D7 LED off, D17 LED on]
- J4-3 [-] and J4-4 [+] are connected together [up to 5 mA] when the breaker has detected a short circuit and open during normal operation.
- This is an optically isolated open collector transistor and provides no power.
- A resistor is optional to dim the LED
- J43 connects to LED anode
- J72 connects to LED cathode