Omron DRT1 Series - Page 94

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