Omron DeviceNet CV Series Operation Manual page 96

Transistor Remote I/O Terminals with 3-tier I/O Terminal Blocks
V−
CANL
Physi-
cal
DRAIN
layer
CANH
V+
SOURCE
24 V DC
+
SOURCE
24 V DC
−
Wiring
+
−
+
Internal circuits
power supply
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The following diagram shows the internal circuits for the DRT1-MD16T-1
Remote I/O Terminal.
Photo-
coupler
Photo-
coupler
Internal
Photocoupler
circuitry
DC-DC
converter
(Isolated)
Photocoupler
The following diagram shows the wiring of the DRT1-MD16T Remote I/O Ter-
minal.
0 1
V1 V1 V1
−
G1 G1 G1
−
+
2-wire sensor 3-wire sensor with
(e.g., limit switch) NPN output
(photoelectric or
proximity sensor)
V1 24 V DC
G1
V1
Input (0 to 7)
G1
V2 24 V DC
Voltage
step-
G2
down
V2
Output (0 to 7)
G2
7 0
V1 V2 V2
G1 G2 G2
−
+
Solenoid,
valve, etc.
Section 4-4
I/O power
supply
I/O power
supply
1 7
V2 V2
G2 G2
Solenoid,
valve, etc.
79