APC Automatic Disconnect Switch Specifications Page 27
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Overview: ATS Component Details
Automatic Transfer Switch with Power Distribution 17
ATS monitoring unit
This port connects to the Source 2 volt-sensing (S2 PT)
circuit board, Source 1 volt-sensing (S1 PT) circuit
board, Source 1 current transformers, and distribution
panel volt-sensing circuit board.
This port connects to the ATS interface circuit board.
The display port (RJ-45) connects the monitoring unit
to the display interface.
The power LED indicates whether the monitoring unit
is receiving power.
This console port is used to configure items relating to
servicing and for communicating with the generator
(see item 4 on page page 13). Use this port (DB-9) to
connect a laptop computer to the monitoring unit using
an appropriate communication cable (APC part number
940-0103).
EPO DIP switches configure the EPO input for the
type of EPO switch that is connected—Normally Open
(NO) or Normally Closed (NC).
When the EPO Arm/Test rocker is in the Test
position, engaging the EPO switch will not cause the
load to be powered off. When the rocker is in the
Armed position, engaging the EPO switch turns OFF
the ATS Source 1 and Source 2 switches and engages
the generator’s emergency stop button. When the EPO
switch is engaged, the ATS Not in Automatic LED is
lit. See page 64 for more information on testing the
EPO switch.
The EPO Armed LED is green when the rocker is in the Armed position. The LED is dark when the
rocker is in the Test position.
The EPO Tripped LED is red when the EPO switch is engaged (the EPO button is pressed),
regardless of the state of the EPO Arm/Test rocker.
The reset button resets the network processor; it does not reset the ATS or the monitoring unit.
This network port connects to the surge-protected ethernet port on the user connection plate. (See
page 16 information on the surge-protected ethernet port.)
This port connects to the ATS interface circuit board.
The optional User/EPO Contacts port is connected to the User Connection Plate in the roof of the
ATS. The port allows for relay outputs (4), input contacts (4), and an EPO input (1). See page 16 for
more information.
NO
NC
DISPLAY
10=GRN
100=ORN
NETWORK
POWER
RS-232
CONSOLE PORT
9600-8-N-1
RESET
TRIPPED
STATUS
LINK RX/TX
ARMED
TEST
EPO
885-2288
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25 24 23 22 2 1 20 19 1 8 17 16 15 14
- ATS with Power 1
- Distribution 1
- About This Manual 3
- Contents 5
- Overview 11
- Warnings 12
- See also 13
- System Operates 16
- Generator start sequence 17
- Generator cool-down 17
- Source 1 Source 1 Source 2 18
- Source 2 18
- Source 1 Neutral Source 2 18
- ATS with Power Distribution 21
- Front view, door open 22
- ATS panel board, left side 23
- ATS panel board, right side 24
- ATS Component Details 25
- User connection plate 26
- ATS monitoring unit 27
- ATS label kit 28
- Operation 29
- Emergency Manual Operation 32
- /Manual/Auto 36
- Total Power Off 37
- Operation: Total Power Off 38
- Display Interface 39
- NTER key when the selector 40
- Navigating through screens 41
- Password-protected screens 41
- Load-Meter 42
- ATS/Voltage 43
- S2-Generator 44
- ATS Setup 45
- Generator 47
- View Test Log 49
- Run/View Test 49
- Test Schedule 49
- Test Duration 49
- Gen Start: Monthly 50
- Day: 1st Monday 50
- Time: 14:30 50
- Load Test: Monthly 50
- How a test occurs 51
- NTER key and 52
- View Active Alarms 53
- Alarm/Event Log 53
- Alarm Setup 53
- Alarm Beeper 53
- Clearing latched alarms 54
- System/Network 55
- Contacts & Relays 56
- Electrical Config 57
- Factory Defaults 57
- Manufacturer Data 57
- System ID 57
- Communication Configuration 59
- Interface 61
- from the Network menu 66
- Management Interface 67
- Management Interface Password 70
- Relay Outputs to the ATS 71
- NTER key 72
- USER INTERFACE 74
- © 2001 APC 74
- MADE IN USA 74
- EPO Ready To Test 75
- Active Alarm xxofxx 75
- Safety warnings 76
- Circuit Breakers to the ATS 78
- Specifications 85
- Warranty 89
- Life-Support Policy 91
- How to contact APC 92
- Connection 93
- InfraStruXure Generator 94
- Radio Frequency Interference 99
- *990-1845A* 100
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