Omron DeviceNet CV Series Operation Manual page 75

Transistor Remote I/O Terminals
Internal Circuits
1
V+
2
CAN_H
3
NC
DRAIN
4
CAN_L
5
V−
To physical layer
SOURCE
24 V DC
+
DC-DC
converter
SOURCE
(Isolated)
24 V DC
−
Wiring
SOURCE
24 V DC 24 V DC
12 13
IN
+
V
1 2 3
IN
−
G
−
+
Internal circuits
power supply
−
+
Power supply
for inputs
Note
58
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The following diagram shows the internal circuits for the DRT1-MD16 Remote
I/O Terminal.
Physical layer
Photo-
Transceiver
coupler
TXD
Photo-
coupler
RXD
Non-isolated
power supply
5 V
5 V
@
V
5 V
1MS
1NS
@
V
0 V
The following diagram shows the wiring of the DRT1-MD16 Remote I/O Termi-
nal.
IN
14 15 16
1 3 5
4 5 6
0 2 4
3-wire sensor with
2-wire sensor
NPN output
(e.g., limit switch)
(photoelectric or
proximity sensor)
1. IN V is not connected internally to OUT V (terminals 13 and 22), and IN G
is not connected internally to OUT G (terminals 2 and 11). Connect them
carefully.
Photo-
coupler
Photo-
coupler
Internal
circuitry
Voltage
step-down
Photo-
coupler
Photo-
coupler
OUT
17 18 19
7 1 3
7 8 9
6 0 2
Section 4-3
IN
V 24 V DC
0
1
.
.
.
.
G
OUT
V 24 V DC
0
1
.
.
.
.
.
G
.
.
24 V DC
20 21 22
OUT
5 7
V
10 11
OUT
4 6
G
−
+
Power supply
for outputs
Solenoid,
valve, etc.