Pylontech US3000C Operation Manual page 11

Pin3 232-TX
Pin4* +5~+12V for wake up
Pin5* GND for wake up
Pin6 232-RX
Pin8 232-GND
*Wake up signal shall ≥0.5Sec, current between 5~15mA. After send wake up signal, the voltage shall
disappear for normal operation.
Contact
Pin1 Input, passive signal. On: turn off battery. Off: normal.
Pin2
Pin3 Output1. On: stop charge.
Pin4
Pin5 Output2. On: stop discharge.
Pin6
Pin7 Output3. On: BMS error.
Pin8
Output request signal voltage ≤25V
CAN
500 Kbps. 120Ω. For connection to LV-HUB, inverter, or upper battery.
RS485
9600 or 115200 bps.120Ω. For connection to inverter, or slave battery.
Link Port 0, 1
for communication between multiple parallel batteries.
7
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