Wiring Diagram - Omron K8AB-VS Series Product Manual

Connections

■ Wiring Diagram

Overcurrent Operation Diagram
(Output: Normally Closed)
Control power
Operating value
Input
Flashing
Alarm indicator
Relay
T1: Startup lock time (1 or 5 s)
T1
Note: The power ON lock prevents unnecessary alarms from being
generated during the instable period when the power is first
turned on. There is no relay output during timer operation.
Undercurrent Operation Diagram
(Output: Normally Open)
Control power
Input
Operating value
Flashing
Alarm indicator
Relay
T
T1: Power ON lock (1 or 5 s)
T1
Note: The power ON lock prevents unnecessary alarms from being
generated during the instable period when the power is first
turned on. There is no relay output during timer operation.
Nomenclature
■ Front
Power indicator
Relay status indicator
Alarm indicator
4
Single-phase Voltage Relay
Hysteresis
(5% to 50% of operating value)
Lit
T: Operating time (0.1 to 30 s)
T
Hysteresis
(5% to 50% of operating value)
Lit
T: Operating time (0.1 to 30 s)
Voltage knob (SV)
Hysteresis knob (HYS.)
Operating time knob (T)
K8AB-VS
Single-phase power
Load
Model Measuring range
K8AB-VS1 6 to 60 mV AC/DC
10 to 100 mV AC/DC
30 to 300 mV AC/DC
K8AB-VS2 1 to 10 V AC/DC
3 to 30 V AC/DC
15 to 150 V AC/DC
K8AB-VS3 20 to 200 V AC/DC
30 to 300 V AC/DC
60 to 600 V AC/DC
Indicators
Item
Power indicator (PWR:
Green)
Relay status indicator (RY:
Yellow)
Alarm indicator (ALM: Red) Lit when there is an overvoltage or
Setting Knobs
Item
Current knob (SV)
Hysteresis knob (HYS.)
Operating time knob (T)
A1
Operating
power
A2
V1
Input V2 COM
V3
11
14
Output
Alarm
12
Connection
V1-COM
V2-COM
V3-COM
V1-COM
V2-COM
V3-COM
V1-COM
V2-COM
V3-COM
Meaning
Lit when power is being supplied.
Lit when relay is operating.
undervoltage.
The indicator flashes to indicate the
error status after the input has
exceeded the threshold value while the
operating time is being clocked.
Usage
Used to set the current to 10% to 100%
of maximum rated input current.
Used to set the rest value to 5% to 50%
of the operating value.
Used to set the operating time to 0.1 to
30 s.
Cat. No. N143-E1-01