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168
Remote Terminals
Section 5-1
The following diagram shows the internal circuits for the SRT
@
-OD08-1.
The following diagram shows the internal circuits for the SRT
@
-OD16.
The following diagram shows the internal circuits for the SRT
@
-OD16-1.
Inter
nal
circuitr
y
Photocoupler
Photocoupler
Voltage
step-down
24 V DC
Inter
nal
circuitr
y
Photocoupler
Photocoupler
Voltage
step-down
24 V DC
Inter
nal
circuitr
y
Photocoupler
Photocoupler
Voltage
step-down
24 V DC