Omron DRT2 Series Operation Manual page 93

Remote I/O Terminals with Transistors
Internal Circuits
DRT2-ID16 (NPN)
DRT2-ID16-1 (PNP)
Wiring
DRT2-ID16 (NPN)
76
V+
CAN H
Physi-
cal
DRAIN
layer
CAN L
V−
DC-DC
converter
(isolated)
V+
CAN H
Physi-
cal
DRAIN
layer
CAN L
V−
DC-DC
converter
(isolated)
24 V DC
10 11
V 1
1 2
G 0
−
+
I/O power
supply
3-wire sensor with
NPN output
(photoelectric or
proximity sensor)
Photocoupler
Photocoupler
Photocoupler
Photocoupler
12 13 14
3 5
3 4 5
2 4 6
2-wire sensor
(e.g., limit
switch)
Section 5-3
15 16
7 9 11
6 7 8
8 10 12
V 24 V DC
0
1
G
V 24 V DC
0
1
G
17 18
13 15
9
14