Omron DeviceNet CV Series Operation Manual page 95

Transistor Remote I/O Terminals with 3-tier I/O Terminal Blocks
Components of the DRT1-MD16T and DRT1-MD16T-1
Rotary switches (Refer to page 62.)
Set the node address.
DIP switch
Pins 1 and 2: Baud rate setting
Pin 3: Reserved (Always OFF.)
Pin 4: Hold/Clear outputs for communications error
DeviceNet Indicators
DRT1-MD16T
REMOTE TERMINAL DC24V
ON
MS
DR0 DR1 NC HOLD
NS
Communications
connector
Internal power
supply terminals
Internal Circuit
V−
CANL
Physi-
cal
DRAIN
layer
CANH
V+
SOURCE
24 V DC
+
SOURCE
24 V DC
−
78
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(Refer to page 62.)
(Refer to page 312.)
Input indicators
Indicate the input status of each
contact. (Lit when the input is ON.)
0 1 2 3 4 5 6 7 0 1 2
DIN track mounting hooks
Input terminal block
The following diagram shows the internal circuits for the DRT1-MD16T
Remote I/O Terminal.
Photo-
coupler
Photo-
coupler
Photocoupler
Internal
circuitry
DC-DC
converter
(Isolated)
Photocoupler
Output indicators
Indicate the output status of each contact.
(Lit when the output is ON.)
3 4 5 6 7
IN OUT
Circuit removal screws.
Output terminal block
V1 24 V DC
G1
V1
Input (0 to 7)
Voltage
G1
step-down
V2 24 V DC
G2
V2
Output (0 to 7)
G2
Section 4-4
I/O power
supply
I/O power
supply