-38-
No.EX##-OMU0020-A
Following figure shows the block diagram of the EX245-SPN2
Fig. 6-5 Block diagram of the EX245-SPN2
Module
interface
24
V
(
US
1
)
0
V
(
US
1
)
0
V
(
US
2
)
24
V
(
US
2
)
FE
Bus
µ
P
Short circuit
protection
DC
/
DC
0
V
(
US
2
)
1
OUT
[
0
]
Solenoid valve
interface
0
V
(
US
2
)
OUT
[
31
]
34
2
3
・
・
・
・
・
・
・
・
・
・
・
・
Output circuit
/
Bus interface
Power
Push Pull connector
(
24
Volt
)
0
V
(
US
1
)
24
V
(
US
1
)
24
V
(
US
2
)
0
V
(
US
2
)
FE
④
②
⑤
①
③
ERTEC
200
Power
Push Pull connector
(
24
Volt
)
0
V
(
US
1
)
24
V
(
US
1
)
24
V
(
US
2
)
0
V
(
US
2
)
FE
④
②
⑤
①
③
TD
+
TD
-
Bus
Push Pull connector
(
RJ
45
)
③
①
②
⑥
RD
+
RD
-
TD
+
TD
-
Bus
②
①
③
⑥
RD
+
RD
-
Pules
transformer
Pules
transformer
Push Pull connector
(
RJ
45
)
Port
1
(
XF1
)
Port
2
(
XF2
)
(XD1)
(XD2)
MDI
MDI-X