Omron DeviceNet CV Series Operation Manual page 201

Environment-resistive Terminals (IP66)
Components of the DRT1-HD16C and DRT1-HD16C-1
DIP switch pins 1 and 2:
Baud rate
(Refer to page 179)
Rotary switches 1 and 2:
Node address
(Refer to page 179)
Internal Circuits
CAN H CAN L
4
5
1 3
V−
DRAIN
2
CN1
V+
(Communications
connector)
184
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Input indicators
Indicates the input status of each input.
(Lit when the input is ON.)
0 1 2 3 4 5 6
Input connector
The following diagram shows the internal circuits for the DRT1-HD16C Envi-
ronment-resistive Terminal (NPN).
DC-DC
converter
(Isolated)
Photo-
coupler
Photocoupler
Physical
Photo-
layer
coupler
Photocoupler
DC-DC
converter
(Not
isolated)
DeviceNet indicators
(Refer to page 312.)
7 8 9 10 11 12 13 14 15
External power
supply connector
0 V (for internal circuits)
0 V
4
(for inputs)
(for internal
3
G
Section 5-3
MS NS
DeviceNet communications
connector
CN2
3
(External power
2 24 V
supply connector)
(for inputs)
1
24 V
circuits)
4 Input 0
1
CN3
V
2
Input 1