K8AB-VW Просмотр технического описания (PDF) - OMRON Corporation
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K8AB-VW Datasheet PDF : 10 Pages
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Connections
■ Wiring Diagram
Overvoltage and Undervoltage
Operation Diagram
DIP switch settings: SW3 and SW4 both ON or both OFF.
Power supply voltage
Overvoltage setting (AL1)
Hysteresis: Fixed at 5%
Input
Undervoltage set value (AL2)
AL1 alarm indicator
AL2 alarm indicator
Overvoltage (AL1) relay
Flashing
Flashing
Lit
T
Hysteresis: Fixed at 5%
Lit
T: Operating time (0.1 to 30 s)
Undervoltage (AL2) relay
T: Operating time (0.1 to 30 s)
T
T1: Power ON lock (1 s or 5 s)
T1
Note: 1. The K8AB-VW output relay is normally operative.
2. 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.
Overvoltage and Overvoltage
Operation Diagram (Overvoltage Pre-
alarm Mode)
DIP switch settings: SW3 ON and SW4 OFF.
Power supply voltage
Overvoltage setting (AL1)
Overvoltage setting (AL2)
Input
Flashing
AL1 alarm indicator
Lit
AL2 alarm indicator
Flashing
Lit
Overvoltage (AL1) relay
Hysteresis: Fixed at 5%
Hysteresis: Fixed at 5%
Overvoltage (AL2) relay
T1: Power ON lock (1 s or 5 s)
T1
Note: 1. The K8AB-VW output relay is normally operative.
2. 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.
K8AB-VW
Undervoltage and Undervoltage
Operation Diagram (Undervoltage Pre-
alarm Mode)
DIP switch settings: SW3 OFF and SW4 ON.
Power supply voltage
Undervoltage set value (AL1)
Input
Undervoltage set value (AL2)
Hysteresis: Fixed at 5%
Hysteresis: Fixed at 5%
Flashing
AL1 alarm indicator
Lit
AL2 alarm indicator
Flashing
Lit
Undervoltage (AL1) relay
Undervoltage (AL2) relay
T1: Power ON lock (1 s or 5 s)
T1
Note: 1. The K8AB-VW output relay is normally operative.
2. 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.
Single-phase power
A1
Power supply
voltage
A2
Voltage input
V1
V2 COM
V3
14
Signal output
12
11
AL1 relay
signal
output
Load
24
Signal output
22
21
AL2 relay
signal
output
Note: There is no polarity when a DC current input is used.
5
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