Dip Switch Settings - Omron K8DT-AS Seriesl Manual

K8DT-AS
Operation Methods
Setting Ranges and Wiring Connections
Model
2 to 20 mA AC/DC
K8DT-AS1 10 to 100 mA AC/DC
50 to 500 mA AC/DC
0.1 to 1 A AC/DC
K8DT-AS2
0.5 to 5 A AC/DC
10 to 100 A AC *
K8DT-AS3
20 to 200 A AC *
Connections
Input
Connect the input between the I1-COM, I2-COM, or I3-COM terminals, according to the input
current. Malfunctions may occur if the input is connected to unused terminals and the Unit will not
operate correctly.
For the K8DT-AS3, the I1 terminal is not used. For the K8DT-AS2, the I3 terminal is not used.
If using the OMRON K8AC-CT200L CT, connect to terminals k and l on the K8AC-CT200L.
(Terminals kt and lt are not used.)
Power Supply
Connect the power supply to terminals A1 and A2.
Outputs
For a relay output, the SPDT contacts are output on terminals 11, 12, and 14. For a transistor output,
the NPN output is on terminals 11 and 14.
Do not use the transistor output for control applications. It is designed only to output a signal when
an error is detected.

DIP Switch Settings

The reset method, drive output method, and operating mode are set using the DIP switch located on
the front of the Unit.
For the K8DT-AS@, SW1 is not used.
Note: Open the DIP switch cover to set the DIP switch.
Keep the DIP switch cover closed while the power supply to the Relay is ON.
SW4
SW3
SW2
SW1
6
Setting range Input type
Direct input
Direct input
Direct input
Direct input or
commercially available
CT
OMRON CT
OMRON CT
DIP Switch Functions
Pin
Resetting
method
Output drive
method
DIP switch pins
Operating mode
Note: All pins are set to OFF by default.
Wiring
connections
I1-COM
I2-COM
I3-COM
Note: The DC input terminals have no polarity.
I1-COM
* The K8DT-AS3 is designed to be used in
combination with the OMRON K8AC-CT200L
I2-COM
Current Transformer (CT). (Direct input is not
I2-COM
possible.)
I3-COM
1
ON ❍
ON
OFF ●
OFF
Automatic reset
Manual reset
Normally closed
Not used.
Normally open
Undercurrent
Overcurrent
<For K8DT-AS3>
Single-phase power
K8DT-AS3
A1
Power supply
voltage
A2
K8AC-
I1
CT200L
I2
Current input
k
I3
C (COM)
l
14
Contact output
12
or
Load
Transistor output
14
2 3
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11
11
4
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