Omron DRT1 Series - Page 98

82
Transistor Remote I/O Terminals with 3-tier I/O Terminal Blocks Section 4-4
Components of the DRT1-MD16TA and DRT1-MD16TA-1
Internal Circuits The following diagram shows the internal circuits for the DRT1-MD16TA
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-MD16TA
REMOTE TERMINAL DC24V
NS
MS
DR0
ON
DR1 HOLDNC
Input indicators
Indicate the output 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.
Circuit removal screws.
Input terminal block Output terminal block
Physi-
cal
layer
5
4
3
2
1
V+
CAN_H
DRAIN
CAN_L
V−
DC-DC
converter
(Isolated)
V1 24 V DC
G1
V1
0 to 7
G1
Internal
circuitry
Photo-
coupler
V2 24 V DC
G2
V2
0 to 7
G2
Photo-
coupler
Voltage
step-down