èËÏÂÌÂÌË ÙÛÌ͈ËË Ò‚flÁË RS485
ëӄ·ÒÛ˛˘ËÈ ÂÁËÒÚÓ RS485
<4-ÔӂӉ̇fl Ò‚flÁ¸>
èËÂÏ ‰‡ÌÌ˚ı
艇˜‡ ‰‡ÌÌ˚ı
<2-ÔӂӉ̇fl Ò‚flÁ¸>
èËÂÏ ‰‡ÌÌ˚ı
艇˜‡ ‰‡ÌÌ˚ı
GND
1
A
2
R
RS
B
3
485
A
4
T
B
5
èËϘ‡ÌËÂ:
GND
R (A)
R (B)
T (A)
T (B)
GND
R (A)
R (B)
T (A)
T (B)
1
2
3
4
5
319