Omron DRT1 Series - Page 87

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