190
Environment-resistive Terminals (IP66) Section 5-3
Components of the DRT1-WD16C and DRT1-WD16C-1
Internal Circuits The following diagram shows the internal circuits for the DRT1-WD16C Envi-
ronment-resistive Terminal (NPN).
8 9 10 11 12 13 14 15
MS NS
21
5
0
1
2
3
46
7
8
9
5
0
1
2
3
46
7
8
9
DR0
OFF
ON
OFF
ON
DR1
OFF
OFF
ON
ON
Datarate
125kbps
250kbps
500kbps
Not in use.
Node Address
ADRDR 0 1
0 1 2 3 4 5 6 7
Output indicators
Indicates the output status of each output.
(Lit when the output is ON.)
DeviceNet indicators
(Refer to page 312.)
Output connector
External power
supply connector
DeviceNet communications
connector
DIP switch pins 1 and 2:
Baud rate
(Refer to page 179)
Rotary switches 1 and 2:
Node address
(Refer to page 179)
1
24
2
13
4
2
31
4
5
DRAIN V−
V+
CAN LCAN H
3
VG
CN3
Physical
layer
Photo-
coupler
Photocoupler
Photocoupler
DC-DC
converter
(Isolated)
Voltage
step-down
Photo-
coupler
CN1
Communications
connector)
0 V (for internal circuits)
0 V
(for outputs)
CN2
(External
power supply
connector)
24 V
(for outputs)
Output 0
Output 1
24 V
(for internal
circuits)
Internal
circuitry
DC-DC
converter
(Not
isolated)
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