ABB TruONE ATS Installation And Operating Instruction page 19

Automatic transfer switches
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3 4 O X _ 3 0 - 1 6 0 0 r e v. B / 1 S C C 3 0 3 0 1 1 M 0 2 0 1
Feature comparison
Transfer from source 2
to source 1, min
Generator stop delay, min
Center-OFF delay, sec
Pre-transfer delay S1 to S2,
sec
Post-transfer delay S1 to S2,
sec
Pre-transfer delay S2 to S1,
sec
Post-transfer delay S2 to S1,
sec
Elevator Pre-signal delay
S1 to S2, sec
Elevator Post-signal delay
S1 to S2, sec
Elevator Pre-signal delay
S2 to S1, sec
Elevator Post-signal delay
S2 to S1, sec
Load shed delay, sec
Source failure detections
No voltage
Undervoltage
Overvoltage
Phase missing
Voltage unbalance
Invalid frequency
Incorrect phase sequence
Features
Controls
LED indications for ATS,
S1 and S2 status
Open transition - Standard
digital inputs/outputs
Delayed transition - Standard
digital inputs/outputs
Programmable digital inputs/
outputs
Level 2 controls (DIP) Level 3 controls (LCD) Level 4 controls (TOUCH)
S1
S2
S1
O
S2
l
ll
!
l
ll
!
LOAD
AUTO
LOAD
AUTO
Auto
In-phase
Priority
Manual
Auto
In-phase
Priority
Manual
config
monitor
config
retransfer
monitor
retransfer
Start
On
No priority
On
Start
On
No priority
On
Source 1
Off
Source 1
Off
Ok
Off
Ok
Off
Dropout ∆U / ∆f
∆U 5% / ∆f 5%
Dropout ∆U / ∆f
∆U 5% / ∆f 5%
∆U 10% / ∆f 5%
∆U 10% / ∆f 5%
∆U 15% / ∆f 10%
∆U 15% / ∆f 10%
∆U 20% / ∆f 10%
∆U 20% / ∆f 10%
Generator
Center
Generator
stop delay
/OFF
stop delay
delay
S1 Failure
S1 Return
S1 Failure
S1 Return
delay [s]
delay [min]
delay [s]
delay [min]
0
2
4
10
20
30 s
0 s
0
2
4
10
20
30 s
1
3
5
15
30
4 min
4 s
1
3
5
15
30
4 min
Off
On
Bypass
Off
On
Bypass
Lamp
Auto
Lamp
Auto
load
load
time
load
load
time
test
test
test
test
delay
Alarm reset
test
test
delay
Alarm reset
l
O
ll
l
ll
ON
OFF
ON
ON
ON
0, 1, 2, 3, 4, 5, 10, 15,
20, 30
30 secs or 4 mins
0 or 4
No
No
No
No
No
No
No
No
No
Yes
Yes
Yes
Yes
Yes
Yes
Yes
DIP + keys
Yes
0 / 1
1 / 1
No
S1
O
S2
S1
S2
l
ll
!
l
ll
!
LOAD
AUTO
LOAD
AUTO
Auto
Auto
Esc
Esc
Alarm reset
Alarm reset
l
O
ll
l
ll
ON
OFF
ON
ON
ON
0...120
0...60
0...300
0...300
0...300
0...300
0...300
0...60
0...60
0...60
0...60
0...60
Yes
Yes
Yes
Yes
Yes
Yes
Yes
LCD + keys
Yes
1 / 1
2 / 1
Yes
19
S1
O
S2
S1
S2
l
ll
!
l
ll
!
LOAD
AUTO
LOAD
AUTO
l
O
ll
l
ll
ON
OFF
ON
ON
ON
0...120
0...60
0...300
0...300
0...300
0...300
0...300
0...60
0...60
0...60
0...60
0...60
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Touch + keys
Yes
2 / 1
3 / 1
Yes

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