6.5. Block diagram
Following figure shows the block diagram of the EX245-SPN1
Push Pull connector ( 24 Volt )
24 V ( US 1 )
0 V ( US 1 )
Power
24 V ( US 2 )
0 V ( US 2 )
(XD1)
FE
Push Pull connector ( 24 Volt )
24 V ( US 1 )
0 V ( US 1 )
Power
24 V ( US 2 )
0 V ( US 2 )
(XD2)
FE
Push Pull connector ( SCRJ )
TX
Bus
RX
Port 1 ( XF1 )
Push Pull connector ( SCRJ )
Bus
TX
Port 2 ( XF2 )
RX
24 V ( US 1 )
0 V ( US 1 )
Module
24 V ( US 2 )
interface
0 V ( US 2 )
FE
Bus
①
②
③
④
DC / DC
⑤
①
②
③
④
⑤
①
②
①
②
Fig. 6-4 Block diagram of the EX245-SPN1
µ P
ERTEC 200
-37-
Solenoid valve
interface
0 V ( US 2 )
1
0 V ( US 2 )
2
OUT [ 0 ]
3
・
・
Short circuit
・
・
・
・
protection
・
・
34
OUT [ 31 ]
・ ・ ・ ・
Output circuit /
Bus interface
No.EX##-OMU0020-A
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