Omron DeviceNet CV Series Operation Manual page 202

Environment-resistive Terminals (IP66)
CAN H CAN L
4
5
1 3
V−
DRAIN
2
CN1 V+
(Communications
connector)
Wiring
CN3 CN4
Input 0
4
3 1 3
G V G
Input 1
2
4 Input 2
3 1
G V
Input 3
2
2-wire sensor NPN output 3-wire sensor
(limit switch) (photoelectric or proximity
sensor)
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The following diagram shows the internal circuits for the DRT1-HD16C-1
Environment-resistive Terminal (PNP).
DC-DC
converter
(Isolated)
Photo-
coupler
Photocoupler
Physical
Photo-
layer
coupler
Photocoupler
DC-DC
converter
(Not
isolated)
The following diagram shows the wiring of the DRT1-HD16C Environment-
resistive Terminal (NPN).
CN5 CN6 CN7
4 Input 4 4
Input 8
1 3 1
V G V
Input 5
Input 9
2 2
4 Input 6
3 1 3
G V G
Input 7
2
NPN output 3-wire sensor
(photoelectric or proximity
sensor)
0 V (for internal circuits)
0 V
(for inputs)
3
G
CN8 CN9 CN10
4 Input 12
3 1 4
G V
Input 13
2
4 Input 10 4 Input 14
1 3 1
V G V
Input 11 Input 15
2 2
−
Internal power
supply
Section 5-3
3
CN2
(External power
4 2
24 V
supply connector)
(for inputs)
1
24 V
(for internal
circuits)
4 Input 0
1
CN3
V
2 Input 1
CN2 CN1
(end surface)
3
2
CAN H
4
5
1
1 3
DRAIN
2
V+
−
+ +
I/O power
supply
CAN L
V−
185