HAT700 SERIES ATS CONTROLLER USER MANUAL
HAT700 Series ATS Controller 2018-12-13 Version 1.5 Page 14 of 51
7.2.4. SWITCH STATUS
No.
Item
Description
1
Ready to Transfer
Switch transfer begins.
2
Closing S1
S1 closing delay is in progress.
3
Opening S1
S1 opening delay is in progress.
4
Closing S2
S2 closing delay is in progress.
5
Opening S2
S2 opening delay is in progress.
6
Transfer Rest
Interval time between switch transfer
7
Closing S1 Again
When the S1
“Fail to open” condition occurs, it’s the delay time
before the close relay is active for the second time.
8
Opening S1 Again
When the S1 “Fail to close” condition occurs, it’s the delay time
before the open relay is active for the second time.
9
Closing S2 Again
When the S2 “Fail to open” condition occurs, it’s the delay time
before the close relay is active for the second time.
10
Opening S2 Again
When the S2 “Fail to close” condition occurs, it’s the delay time
before the open relay is active for the second time.
11
Waiting Sync
It’s the delay time that waiting S1 and S2 sync requirements (volt
diff. freq diff. phase diff.) are satisfied.
12
Sync Closing S1
Sync closing S1 is active when the sync requirements are
satisfied.
13
Sync Closing S2
Sync closing S2 is active when the sync requirements are
satisfied.
14
Waiting S1 PF
Before S1 is closed,
it’s the delay time to confirm “S1 PF Input”
signal is active.
15
Waiting S2 PF
Before S2 is closed, it’s the delay time to confirm “S2 PF Input”
signal is active.
16
Elevator Delay
Elevator control output before ATS transfer.
17
S1 On Load
S1 was already closed and S1 is taking load.
18
S2 On Load
S2 was already closed and S2 is taking load.
19
Offload
Switch was already opened and load is disconnect.
7.2.5. WARN ALARMS
Warn alarms are active when controller detects the alarm signals. Alarm indicator will flash slowly (1time
per sec) while illuminated when alarm reset. Warn alarms are not latched.
No.
Item
Description
1
S1 Over Current Warn
When the S1 current has exceeded the pre-set value and the
action select “Warn”, it will initiate a warning alarm.
2
S2 Over Current Warn
When the S2 current has exceeded the pre-set value and the
action select “Warn”, it will initiate a warning alarm.
3
Forced Open Warn
When the input is active
and the action select “Warn”, it will
initiate a warning alarm.
4
Battery Under Volt
When the battery voltage has fallen below the pre-set value, it
will initiate a warning alarm.
5
Battery Over Volt
When the battery voltage has exceeded the pre-set value, it will
initiate a warning alarm.
6
Sync Fail Warn
When the gens
et fail to sync after the “Waiting Sync” delay has
expired, it will initiate a warning alarm.
