485防护电路原理图
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COT2 T2
50M/10A
COD3 D3
BS0300N-C
BS0300N-C
PID301 PID302
PIT103 PIT104
PIT10 PIT102
COT1 T1 50M/10A
B
4 3
2 1
4 3
2 1
PIY302 PIY301
1
3பைடு நூலகம்
1
COY3 Y3
100P GND-d
PIT20
PID501
COY4 Y4
1
2
3
4
PIJ10 1 PIJ10
10
11
COJ1 J1
D Connector 9 A
PIJ10 PIJ106 PIJ102 PIJ107 PIJ103 PIJ108 PIJ104 PIJ109 PIJ105
RXD_P
A
1 6 2 7 3 8 4 9 5
COR2 R2
PIR201 PIR202
10/2W
NLr0P r_P
r_N
t_N
1
BS0300N-C
1
PIY102 PIY101
COY1 Y1
100P
PIY202 PIY201
COY2 Y2
2
4
2
BS0300N-C
100P
GND-d
PID701
2 PID502
1
COD7 D7
B3d090L-C
2 PID702
C
T/R_N
PID703
3
COR6 R6
COD5 D5
B3d090L-C
PID601 PID602
11
NLNetLabel10P NetLabel1_P
NLr0N r_N
NLNetLabel20P NetLabel2_P
t_N
C
PIJ201 PIJ201
10
COJ2 J2
D Connector 9 GND-d GND-d GND-d
PIJ201 PIJ206 PIJ20 PIJ207 PIJ203 PIJ208 PIJ204 PIJ209 PIJ205
NLRXD0N
RXD_N
RXD_P
1 6 2 7 3 8 4 9 5
PIR601 PIR602
2
COD8 D8
10/2W
PID801 PID802
RXD_N
PID503
3
COR5 R5
PIR501 PIR502
1
2
COD6 D6
10/2W
1
BS0300N-C
PIY402 PIY401
1
COD4 D4
PID401 PID402
2
4
2
PIT203 PIT204
PIT201
T/R_N
GND-d GND D Title Size A4 Date: File: 1 2 3 2018/7/6 C:\Users\..\Sheet1.SchDoc Sheet of Drawn By: 4 Number Revision D
T/R_P
NLT0R0P NLT0R0N NLRXD0P
r_P
NLt0P
T/R_P
COR4 R4
PIR401 PIR402
t_P
NLt0N
10/2W
1
3
2
100P
1
COD2 D2 BS0300N-C
B
PID201 PID20
NLNetLabel20N NetLabel2_N
t_P GND
2
COD1 D1
PID10 PID102
NLNetLabel10N NetLabel1_N
50M/10A
COD3 D3
BS0300N-C
BS0300N-C
PID301 PID302
PIT103 PIT104
PIT10 PIT102
COT1 T1 50M/10A
B
4 3
2 1
4 3
2 1
PIY302 PIY301
1
3பைடு நூலகம்
1
COY3 Y3
100P GND-d
PIT20
PID501
COY4 Y4
1
2
3
4
PIJ10 1 PIJ10
10
11
COJ1 J1
D Connector 9 A
PIJ10 PIJ106 PIJ102 PIJ107 PIJ103 PIJ108 PIJ104 PIJ109 PIJ105
RXD_P
A
1 6 2 7 3 8 4 9 5
COR2 R2
PIR201 PIR202
10/2W
NLr0P r_P
r_N
t_N
1
BS0300N-C
1
PIY102 PIY101
COY1 Y1
100P
PIY202 PIY201
COY2 Y2
2
4
2
BS0300N-C
100P
GND-d
PID701
2 PID502
1
COD7 D7
B3d090L-C
2 PID702
C
T/R_N
PID703
3
COR6 R6
COD5 D5
B3d090L-C
PID601 PID602
11
NLNetLabel10P NetLabel1_P
NLr0N r_N
NLNetLabel20P NetLabel2_P
t_N
C
PIJ201 PIJ201
10
COJ2 J2
D Connector 9 GND-d GND-d GND-d
PIJ201 PIJ206 PIJ20 PIJ207 PIJ203 PIJ208 PIJ204 PIJ209 PIJ205
NLRXD0N
RXD_N
RXD_P
1 6 2 7 3 8 4 9 5
PIR601 PIR602
2
COD8 D8
10/2W
PID801 PID802
RXD_N
PID503
3
COR5 R5
PIR501 PIR502
1
2
COD6 D6
10/2W
1
BS0300N-C
PIY402 PIY401
1
COD4 D4
PID401 PID402
2
4
2
PIT203 PIT204
PIT201
T/R_N
GND-d GND D Title Size A4 Date: File: 1 2 3 2018/7/6 C:\Users\..\Sheet1.SchDoc Sheet of Drawn By: 4 Number Revision D
T/R_P
NLT0R0P NLT0R0N NLRXD0P
r_P
NLt0P
T/R_P
COR4 R4
PIR401 PIR402
t_P
NLt0N
10/2W
1
3
2
100P
1
COD2 D2 BS0300N-C
B
PID201 PID20
NLNetLabel20N NetLabel2_N
t_P GND
2
COD1 D1
PID10 PID102
NLNetLabel10N NetLabel1_N