130
NXR-810
SCHEMATIC DIAGRAM /
原理图
X53-449 1/6
7
6
5
4
3
2
1
A
B
C
D
E
A
A
A
A
A
TXD3
RXD1
/485_RE1
485_DE1
TXD1
RXD3
485_DE2
/RST
/485_RE2
60DC
/BiNT
/oVRB
L311
1
2
3
4
5
GND
6
A/Y
7
B/Z
8
VCC
C14
100p
C333
0.1u
1
NC
2
VSS
3
CE
4
VIN
5
VoUT
1
NC
2
VSS
3
CE
4
VIN
5
VoUT
C308
0.47u
R43
0
L3
L33-1500-05
L305
C471
1000p
C310
33u16
C320
1000p
R13
100
R308
47k
L307
C8
100p
C322
47u25
L303
R44
0
L315
C9
100p
R46
0
R23
100k
6
SYNC
7
PG
8
FB
9
VC
10
RT
11
GND
1
BD
2
BooST
3
SW
4
VIN
5
RUN/SS
1
G
2
INA
3
GND
4
oUTY
5
VCC
C301
47u35
C470
1000p
CN5
1
2
3
4
5
6
7
8
R318
4.7k
R47
0
L312
D304
1SS388F
2
VSS
3
VIN
1
VOUT
R304
22k
1
oUT
2
IN
4
VSS
3
NC
C321
1000p
1
G
2
INA
3
GND
4
oUTY
5
VCC
C306
470p
R49
0
C337
1000p
R22
100k
R26
10k
C334
0.01u
R50
0
C302
47u35
L313
D301
RSX301L-30
R48
0
L301
C316
47u25
R310
22
C313
0.022u
C7
100p
R45
0
R307
27k(D)
C15
100p
R313
8.2k(D)
CN302
J19-5386-05
1
NC
2
VSS
3
CE
4
VIN
5
VoUT
C314
1000p
1
G1
2
A1
3
Y2
4
GND
5
A2
6
Y1
7
G2
8
VCC
R316
0
C10
100p
R322
47k(D)
C325
1000p
R314
3.3k(D)
C335
470p
C323
1000p
D305
1SS388F
C328
47u25
C12
100p
CN301
2
1
3
R321
2.7k(D)
C327
47u25
C311
33u16
L302
C329
47u25
R305
18k
L2
L33-1500-05
R302
0
R309
22
R317
4.7k
R12
100
C22
0.1u
R41
100k
R301
0
L308
C317
47u25
R323
1k
L316
C326
1000p
R306
180k(D)
C303
4.7u
C312
47u25
L309
C315
47u25
R10
100
C319
1000p
C21
0.1u
C13
100p
1
2
3
4
5
GND
6
A/Y
7
B/Z
8
VCC
R25
10k
1
VIN
2
VSS
4
VoUT
3
CD
C36
0.1u
C35
0.1u
L314
C324
47u25
C331
1000p
1
G1
2
A1
3
Y2
4
GND
5
A2
6
Y1
7
G2
8
VCC
D302
1SS388F
C304
4.7u
L306
1
NC
2
VSS
3
CE
4
VIN
5
VoUT
C332
47u25
C19
0.1u
C18
0.1u
L304
R320
100
R42
100k
C336
0.01u
R315
470
R303
100k
C318
1000p
C330
1000p
R319
10k
R11
100
N_SYNC1_B
N_SYNC1_B
N_SYNC2_A
N_SYNC2_B
N_SYNC2_B
N_SYNC1_A
N_SYNC1_A
N_SYNC2_A
FINAL UNIT
(X45-3932-71)(C/3)
TX-RX UNIT
(X57-7952-71)-CN700
SB
+B
GND
CONTROL UNIT (X53-4490-10)
SB
33M
33M
33M
50M
50M
50M
50M
15M
16M
SURGE PROTECTOR
D301
SURGE PROTECTOR
D302
IC303
XC6204B332P1
VOLTAGE
REGULATOR
IC302
XC6201P502PR
VOLTAGE
REGULATOR
IC306
XC6204B332P1
VOLTAGE
REGULATOR
50M
33A
SB
15M
33BU
33M
16M
2SA1955A-F
Q303
POWER SW
IC308
XC6109C29ANN
VOLTAGE
REGULATOR
IC304
XC6205B152PRN
VOLTAGE
REGULATOR
IC305
XC6205B162PR
VOLTAGE
REGULATOR
Q301
RT1N441U-T111
DC SW
D303
02DZ18F-X
VOLTAGE REFERENCE
SSM3K15TE(F)
Q302
DC SW
IC7
TC7WT125FUF
BUFFER
IC4
ISL8485EIBZ
RS-485
TRANSCEIVER
Ro
RE
DE
DI
Ro
RE
DE
DI
IC5
ISL8485EIBZ
RS-485
TRANSCEIVER
IC11
TC7SH125FU-F
BUFFER
IC301
LT3685EMSE
DC/DC
CONVERTER
R324
0
SURGE
PROTECTOR
D304,305
IC10
TC7SH125FU-F
BUFFER
IC8
TC7WT125FUF
BUFFER
IC307
XC61CN2702N
VOLTAGE
REGULATOR
6.0V
13.6V
13.6V
5.0V
3.3V
3.3V
1.6V
1.5V
3.3V