Omron DeviceNet CV Series Operation Manual page 88

Transistor Remote I/O Terminals with 3-tier I/O Terminal Blocks
Internal Circuits
V−
CANL
Physi-
cal
DRAIN
layer
CANH
V+
SOURCE
24 V DC
+
SOURCE
24 V DC
−
V−
CANL
Physi-
cal
DRAIN
layer
CANH
V+
SOURCE
24 V DC
+
SOURCE
24 V DC
−
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The following diagram shows the internal circuits for the DRT1-OD16T
Remote Output Terminal.
Photo-
coupler
Photo-
coupler
Photocoupler
Internal
circuitry
DC-DC
converter
(Isolated)
Photocoupler
The following diagram shows the internal circuits for the DRT1-OD16T-1
Remote Output Terminal.
Photo-
coupler
Photo-
coupler
Internal
Photocoupler
circuitry
DC-DC
converter
(Isolated)
Photocoupler
Voltage
step-down
V1 24 V DC
G1
V1
Output (0 to 7)
G1
V2 24 V DC
G2
Voltage
V2
step-down
Output (8 to 15)
G2
Voltage
step-down
V1 24 V DC
G1
V1
Output (0 to 7)
G1
Voltage
step-down
V2 24 V DC
G2
V2
Output (8 to 15)
G2
Section 4-4
I/O power
supply
I/O power
supply
I/O power
supply
I/O power
supply
71