Omron GX-ID1611

7 Digital I/O Slave Unit
7 - 72
GX-series EtherCAT Slave Unit User’s Manual
 GX-MD3218 (NPN)
 GX-MD3228 (PNP)
Internal circuits diagram
V
NC
G0
IN0
V
NC
G
OUT0
V
G
G
V
Input circuit
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
Short-circuit
protection element
Voltage
drop
•
•
•
•
•
•
Input circuit
V0
NC
G
IN0
V
V
G
G
NC
V
G
OUT0
Left side
Right side
Photocoupler
Photocoupler
Short-circuit
protection element
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
•
•
•
•
•
•
•
•
•
•
•
•
Voltage
drop