Omron DRT1 Series - Page 211

195
Environment-resistive Terminals (IP66) Section 5-3
The following diagram shows the internal circuits for the DRT1-MD16C-1
(PNP) Environment-resistive Terminal.
1
24
2
13
4
2
31
4
5
DRAIN
V−
V+
CAN LCAN H
3
VG
2
13
4
VG
Photo-
coupler
Photocoupler
Photocoupler
DC-DC
converter
(Isolated)
DC-DC
converter
(Not
isolated)
Photo-
coupler
Internal circuitry
Photocoupler
Output 1
Voltage
step-down
CN1
(Communications
connector)
Output 0
0 V (for inputs and internal circuits)
0 V
(for outputs)
24 V
(for inputs and
internal circuits)
24 V
(for outputs)
CN2
(External power
supply connector)
CN3
(Input connector)
CN7
(Output connector)
Physical layer
Photo-
coupler
Input 1
Input 0