
7 Digital I/O Slave Unit
7 - 66
GX-series EtherCAT Slave Unit User’s Manual
GX-OD3218 (NPN)
GX-OD3228 (PNP)
Internal circuits diagram
V
NC
G
OUT0
V
G
G
V
Left side
V
NC
G
OUT0
V
G
G
V
Right side
Photocoupler
Photocoupler
Internal circuits
TX+
Physical
layer
DC-DC
converter
(No-isolation
type)
TX
−
RX+
RX
−
TX+
TX
−
RX+
RX
−
CN IN
CN OUT
UNIT PS
+V
−
V
V
oltage
drop
V
oltage
drop
•
•
•
•
•
•
•
•
•
•
•
•
V
V
G
G
NC
V
G
OUT0
V
V
G
G
NC
V
G
OUT0
Left side
Right side
Photocoupler
Photocoupler
TX+
Physical
layer
DC-DC
converter
(No-isolation
type)
TX
−
RX+
RX
−
TX+
TX
−
RX+
RX
−
CN IN
CN OUT
UNIT PS
+V
−
V
Internal circuits
V
oltage
drop
V
oltage
drop
•
•
•
•
•
•
•
•
•
•
•
•
Summary of Contents for GX-AD0471
Page 3: ...GX series EtherCAT Slave Units User s Manual Revised October 2018...
Page 4: ......
Page 42: ...2 EtherCAT Slave Unit 2 8 GX series EtherCAT Slave Unit User s Manual...
Page 66: ...4 Installation and Wiring 4 18 GX series EtherCAT Slave Unit User s Manual...
Page 84: ...5 EtherCAT Communications 5 18 GX series EtherCAT Slave Unit User s Manual...
Page 98: ...6 Basic Specifications of Slave Units 6 14 GX series EtherCAT Slave Unit User s Manual...
Page 178: ...7 Digital I O Slave Unit 7 80 GX series EtherCAT Slave Unit User s Manual...
Page 206: ...8 Analog I O Slave Unit 8 28 GX series EtherCAT Slave Unit User s Manual...
Page 280: ...11 Expansion Unit 11 20 GX series EtherCAT Slave Unit User s Manual...
Page 388: ...A Appendix A 84 GX series EtherCAT Slave Unit User s Manual...
Page 392: ...Revision 2 GX series EtherCAT Slave Unit User s Manual...
Page 393: ......