Schematics

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V1.0
2021/6/10
13:35:15
A3
DFR0845
Gravity RS485 to TTL Converter Module
Aaron-CD
FD1 FD2
MH1MH2
VCC_IN
VCC
1
32
2N7002
Q1
10K
R4
10K
R5
10K
R6
10K
R7
1
32
2N7002
Q2
VCC_IN
GND
RXD
TXD
VCC
4
GND
3
SCL
2
SDA
1
I2C
P1
MH4MH3
TD541S485H
GND1
1
VCC
2
RXD
3
RE
4
DE
5
TXD
6
VCC
7
GND1
8
GND2
9
VISOOUT
10
NC
11
NC
12
B
13
A
14
VISOIN
15
GND2
16
U1
100nF
C1
10nF
C2
100nF
C6
10uF
C5
100nF
C4
10nF
C3
100nF
C7
10uF
C8
GND
GND
GND2
GND2
VCC
VCC
VISOIN
VISOIN
LED1
VCC
2kR2
LED2
2kR3
RXD0
TXD0
PGND
D1
1k
R1
PTC1
D2
Q3
PTC2
D3
1k
R8
PGND
485_A
485_B
RE
GND2
VISOIN
A
B
GND
12V
10uF
C10
PGND
VCC
GND
1
VIN
2
PGND
3
VOUT
4
B0512M-2WR2
U3
1
2
P2
1
2
P3
12V_1
PGND
485_B
485_A
1
2
P4
12V_1
PGND
VCC
GND
100nF
C13
TXD0
RE
NC
1
A
2
GND
3
Y
4
VCC
5
74LVC1G14GV
U4
GND
0R
R13
GND2
PGND
120R
R12
2
3
1
S1
A
B
4.7uF
C11
VCC_IN
1N5819
D4
22uhL1
VCC
GND
22uF
C9
15K
R9
22uF
C12
SW
1
GND
2
FB
3
EN
4
IN
5
NC
6
MT3608
U2
2K
R10
GND
GND
RXD0RXD
TXD TXD0
1N5819
D5 12V_1
D6
FD3 FD4
1k
R11
PIC101
PIC102
COC1
PIC201
PIC202
COC2
PIC301
PIC302
COC3
PIC401
PIC402
COC4
PIC501
PIC502
COC5
PIC601
PIC602
COC6
PIC701
PIC702
COC7
PIC801
PIC802
COC8
PIC901
PIC902
COC9
PIC1001
PIC1002
COC10
PIC1101
PIC1102
COC11
PIC1201
PIC1202
COC12
PIC1301 PIC1302
COC13
PID101
PID102
COD1
PID201
PID202
COD2
PID301
PID302
COD3
PID401 PID402
COD4
PID501 PID502
COD5
PID601
PID602
COD6
COFD1 COFD2
COFD3 COFD4
PIL101 PIL102
COL1
PILED101 PILED102
COLED1
PILED201 PILED202
COLED2
COMH1 COMH2
COMH3 COMH4
PIP101
PIP102
PIP103
PIP104
COP1
PIP201
PIP202
COP2
PIP301
PIP302
COP3
PIP401
PIP402
COP4
PIPTC101 PIPTC102
COPTC1
PIPTC201 PIPTC202
COPTC2
PIQ101
PIQ102 PIQ103
COQ1
PIQ201
PIQ202 PIQ203
COQ2
PIQ301
PIQ302
COQ3
PIR101
PIR102
COR1
PIR201 PIR202
COR2
PIR301 PIR302
COR3
PIR401
PIR402
COR4
PIR501
PIR502
COR5
PIR601
PIR602
COR6
PIR701
PIR702
COR7
PIR801
PIR802
COR8
PIR901
PIR902
COR9
PIR1001
PIR1002
COR10
PIR1101
PIR1102
COR11
PIR1201 PIR1202
COR12
PIR1301 PIR1302
COR13
PIS101
PIS102
PIS103
COS1
PIU101
PIU102
PIU103
PIU104
PIU105
PIU106
PIU107
PIU108 PIU109
PIU1010
PIU1011
PIU1012
PIU1013
PIU1014
PIU1015
PIU1016
COU1
PIU201
PIU202
PIU203 PIU204
PIU205
PIU206
COU2
PIU301
PIU302 PIU303
PIU304
COU3
PIU401
PIU402
PIU403 PIU404
PIU405
COU4
PIC1002
PID501
PIR1102
PIU304 PID502
PID602
PIP201
PIP401
PIP301
PIPTC101
PIQ301
NL4850A
PIP302
PIPTC201
PIQ302
NL4850B
PID102
PID201
PIPTC102
PIR101
PIR1202
PIU1014
NLA
PID202
PID301
PIPTC202
PIR802
PIS101
PIU1013
NLB
PIC102 PIC202
PIC501 PIC601
PIC901
PIC1101
PIC1201
PIC1302
PIP103
PIR1001
PIU101
PIU108
PIU202
PIU301
PIU403
PIC302 PIC402
PIC701 PIC801
PIR801
PIR1302
PIU109
PIU1016
PID401 PIL101
PIU201
PILED101 PIR201
PILED201 PIR301
PIR901
PIR1002
PIU203
PIR1201 PIS102
PIS103
PIU1011
PIU1012
PIU206
PIU401
PIC1001
PID101
PID302
PID601
PIP202
PIP402
PIR1101
PIR1301
PIU303
PIU104
PIU105
PIU404
NLRE
PIP102
PIQ102
PIR501
NLRXD
PILED102
PIQ103
PIR601
PIU103
NLRXD0
PIP101
PIQ202
PIR401
NLTXD
PILED202
PIQ203
PIR701
PIU106
PIU402
NLTXD0
PIC101 PIC201
PIC502 PIC602
PIC1102
PIC1202
PIC1301
PID402
PIR202
PIR302
PIR602 PIR702
PIR902
PIU102
PIU107
PIU302
PIU405
PIC902
PIL102
PIP104
PIQ101
PIQ201
PIR402 PIR502
PIU204
PIU205
PIC301 PIC401
PIC702 PIC802
PIR102
PIU1010
PIU1015