5.6. RS485 Module
RS485 main control chip:6LB184, PIN 6, 7 were TX +,TX-,the difference
voltage close to 5 V
TVS
(
B03NC
):
B03NC
(
BA2
、
BA7
)
protect the sending end (TX +, TX-R +,
R-)
Thermistors (JK250) : JK250 (RPT1/2) protect the sending end (TX +, TX-R
+, R-)
RS485 module part:
BD9329
(
U1
)
SATA interface
SATA
power
interface
B03NC
(
BA2
、
BA7
)
6LB184
JK250
(
RPT1/2
)