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