Inhaltsverzeichnis
Werbung
RS232
3V3
R706
R707
10k
10k
TXD2
TXD1
RXD1
R708
RXD2
R709
100R
RS485
3V3
R700
10k
TXD3
RS485_DEN
R715
RXD3
1k
R704
10k
GND
Bild 30:Referenzdesign zur Interface-Beschaltung RS232/485
© SYS TEC electronic GmbH 2016
System Manual PLCcore-iMX35 CODESYS
C706
U702
100n
1
C1+
3
C1-
4
C2+
V+
5
C2-
C709
100n
10
T2IN
T2O
11
T1IN
T1O
100R
12
R1O
R1I
9
R2O
R2I
16
3V3
VCC
GND
ICL3232EIBZ
C710
100n
U700
4
5
D
GND
GND
3
6
DE
A
2
7
GND
RE
B
1
8
C700
R
VCC
ADM3078
100n
3V3
U701
4
5
D
GND
GND
3
6
DE
A
2
7
3V3
RE
B
1
8
C707
R
VCC
ADM3078
100n
3V3
C705
100n
6
V-
2
C708
100n
7
14
13
8
15
GND
R701 100R
R703 100R
GND
C701
C702
100p
100p
GND
L1573d_5
X701A
SIO1_TXD
SIO1_RXD
GND
GND
DB9F-DUAL
PE
X701B
SIO2_TXD
SIO2_RXD
GND
DB9F-DUAL
JP700
5V
SI700
JP1X2
125mA/63V
RS485_RXD+_A
R702
100R
RS485_RXD-_B
RS485_TXD+_Y
RS485_TXD-_Z
R705 100R
C703
C704
100p
100p
GND
Seite 45
s
s
1
6
2
7
3
8
4
9
5
s
s
1
6
2
7
3
8
4
9
5
X700
1
1
2
2
3
3
4
4
5
5
6
6
CON6
GND
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Inhaltsverzeichnis
