How to Connect an EPO Switch to the ATS
Connect an EPO switch to the user interface board and test the switch
1.Connect the switch to the EPO connection terminals on the user interface board. Read the label next to the terminal block to determine which terminals correspond to your signal type:
–Contact Closure—Normally Open
USER INTERFACE
© 2001 APC
MADE IN USA
1 | 2 | 3 | 4 |
| Contact Inputs |
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Contact Outputs
ATS 0 ATS 1 ATS 2
External set of Normally Open
EN | – + |
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ATS | EPO 24V | EPO |
AC/DC | Contact |
– Contact Closure—Normally Closed
USER INTERFACE
© 2001 APC
MADE IN USA
1 | 2 | 3 | 4 |
| Contact Inputs |
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Contact Outputs
External set of Normally Open
ATS0 ATS1 ATS2 | ATSEN | – + | Contact |
AC/DC | |||
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| EPO 24V | EPO |
– 24VAC/VDC—Normally Open
USER INTERFACE
© 2001 APC
MADE IN USA
1 | 2 | 3 | 4 |
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| Contact Outputs |
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External set of
Normally Open
24 VAC or 24 VDC Power Supply
ATS0 ATS1 ATS2 | ATSEN | – + | Contact |
AC/DC | |||
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| EPO 24V | EPO |
2.Verify that the EPO DIP switches on the ATS monitoring unit are configured properly for your signal type. The labels above the switches and the figure below show the correct settings for both the Normally Open (NO) and Normally Closed (NC) configurations.
Location of switches on ATS monitoring unit
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64 | InfraStruXure Power Generation System | ||||