Setting Knobs; Dip Switch Functions - Omron K8AB-VW Series Product Manual

Nomenclature
■ Front
Power indicator
Relay status indicator
Alarm indicator
■ Function Selection DIP Switch
ON
Dimensions
K8AB-VW
Cat. No. N144-E1-01
Voltage knob (AL1)
Voltage knob (AL2)
Operating time knob (T)
SW1
SW2
DIP Switch
SW3
SW4
22.5
Indicators
Item
Power indicator Lit when power is being supplied.
(PWR: Green)
Relay status Lit when relay operates (Not light when both
indicator AL1 and AL2 are in error status) (Normally lit)
(RY: Yellow)
Alarm indicators Lit when there is an overvoltage or
(AL1 and AL2: Red) undervoltage.
The indicator flashes to indicate the error
status after the input has exceeded the
threshold value while the operating time is
being clocked.

Setting Knobs

Item
Voltage knob (AL1)
Voltage knob (AL2)
Operating time knob (T)

DIP Switch Functions

Function
SW1 Operating power ON lock
time
SW2 Resetting method
SW3 SW4
OFF OFF Operating AL1: Overvoltage,
mode AL2: Undervoltage
ON OFF AL1: Overvoltage,
AL2: Overvoltage
OFF ON AL1: Undervoltage,
AL2: Undervoltage
ON ON AL1: Overvoltage,
AL2: Undervoltage
5
100
90
5
Single-phase Voltage Relay
Meaning
Usage
Used to set the voltage to 10% to 100%
of maximum rated input voltage.
Used to set the voltage to 10% to 100%
of maximum rated input voltage.
Used to set the operating time to 0.1 to
30 s.
OFF 1 s
ON 5 s
OFF Manual reset
ON Automatic
reset
Function Default
SW3 SW4
OFF OFF
K8AB-VW
Default
OFF
OFF
5