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K8AK-AW
6
Timing Charts
●
Overcurrent and Undercurrent Operation
Diagram
DIP switch settings: SW3 ON and SW4 ON, or SW3 OFF and SW4
OFF
●
Overcurrent and Overcurrent Operation
Diagram (Overcurrent Pre-alarm Mode)
DIP switch settings: SW3 ON and SW4 OFF.
●
Undercurrent and Undercurrent Operation
Diagram (Undercurrent Pre-alarm Mode)
DIP switch settings: SW3 OFF and SW4 ON.
Input
Note 1. The K8AK-AW
@
output contacts are normally operative.
Note 2. The startup lock prevents unnecessary alarms from being generated during the
unstable period when the power is first turned ON. There is no contact output
during timer operation.
t
Flashing
Lit
Flashing
Lit
Hysteresis: Fixed at 5%
Hysteresis: Fixed at 5%
AL1 alarm indicator
AL2 alarm indicator
Overcurrent (AL1)
contacts (11-14)
Undercurrent (AL2)
contacts (21-24)
Overcurrent
set value (AL1)
Undercurrent
set value (AL2)
Power
supply voltage
t: Operating time (0.1 to 30 s)
LOCK
LOCK:
Startup lock time
(0 to 30 s)
t
t: Operating time (0.1 to 30 s)
Delay: 250 ms
(reference value)
Delay: 250 ms
(reference value)
Note 1. The K8AK-AW
@
output contacts are normally operative.
Note 2. The startup lock prevents unnecessary alarms from being generated during the
unstable period when the power is first turned ON. There is no contact output during
timer operation.
Flashing
Lit
Flashing
Lit
Hysteresis: Fixed at 5%
Hysteresis: Fixed at 5%
AL1 alarm indicator
AL2 alarm indicator
Overcurrent (AL1)
contacts (11-14)
Overcurrent
set value (AL2)
Overcurrent (AL2)
contacts (21-24)
Overcurrent
set value (AL1)
Input
Power
supply voltage
LOCK:
Startup lock time
(0 to 30 s)
LOCK
t: Operating time (0.1 to 30 s)
t
t: Operating time (0.1 to 30 s)
t
Delay: 250 ms
(reference value)
Delay: 250 ms
(reference value)
Note 1. The K8AK-AW
@
output contacts are normally operative.
Note 2. The startup lock prevents unnecessary alarms from being generated
during the unstable period when the power is first turned ON. There is no
contact output during timer operation.
Lit
Flashing
Lit
Hysteresis: Fixed at 5%
Hysteresis: Fixed at 5%
AL1 alarm indicator
AL2 alarm indicator
Undercurrent (AL1)
contacts (11-14)
Undercurrent
set value (AL2)
Input
Undercurrent (AL2)
contacts (21-24)
Undercurrent
set value (AL1)
Power
supply voltage
LOCK:
Startup lock time
(0 to 30 s)
LOCK
Flashing
t: Operating time (0.1 to 30 s)
t
t: Operating time (0.1 to 30 s)
t
Delay: 250 ms
(reference value)
Delay: 250 ms
(reference value)
Содержание K8AK-AW Series
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