![](http://pdfasset.owneriq.net/2/58/258efb94-8230-4004-b82f-607bd7e7ab6d/258efb94-8230-4004-b82f-607bd7e7ab6d-bg48.png)
– 68 –
CN3
SD (+)
SD (–)
RD (+)
RD (–)
CS (+)
CS (–)
RS (+)
RS (–)
FAULT
GND
GND
F-GND
MOUNT-HOLE
9
10
17
18
19
23
24
25
14
7
13
1
0
L4
L1
L2
L6
DBLD-J255AF-21L9
L3
L8
L9
L5
L10
L7
JP1
CN2
PSW
PEXT 1
PEXT 2
VEXT
VEXT
F-GND
MOUNT-HOLE
52065-6645
6
2
5
3
4
1
0
CN1
A1
A2
A3
A4
A5
A6
A7
A8
A9
A10
A11
A12
A13
A14
A15
A16
A17
A18
A19
A20
B1
B2
B3
B4
B5
B6
B7
B8
B9
B10
B11
B12
B13
B14
B15
B16
B17
B18
B19
B20
DIN9
DIN11
VVR
DIN1
DIN3
DIN5
DIN7
GND
VCC
DOEN
/DIEN
GND
RD
ID0
ID2
GND
PEXT 1
VEXT
VCC
DIN10
DIN12
GND
DIN2
DIN4
DIN6
DIN8
GND
VCC
FAULT
RS
GND
SD
CS
ID1
GND
PSWIN
PEXT 2
VEXT
VCC
PHEC40P-R111
DSW1
87654321
9
1
0
1
1
1
2
1
3
1
4
1
5
1
6
1
VCC
2
C2
220U
6.3V
+
VR1
EVN-D2A-10K
VCC
3
1
VCC VCC
R3
10K
R4
10K
TR1
FA1A4P
1
DSW2
4321
5678
MC34051M
VCC
16
8
14
13
6
7
2
1
10
11
15
4
5
3
9
12
C1
0.1U
IC1
VCC
GND
D1O+
D1O–
R2I+
R2I–
R1I+
R1I–
D2O+
D2O–
D1I
D1EN
R1O
R2O
D2I
D2EN
R1
R2
B-01R × 10
100 × 2
6. RS422A Interface Board
6-1. Circuit Diagram